GATA3 is a zinc finger transcription factor that serves as the master regulator of T-helper 2 (Th2) cell differentiation and a key regulator of T cell development, epithelial differentiation, and neuronal development. It binds DNA via two zinc finger domains at WGATAR consensus sequences and functions as a pioneer transcription factor capable of remodeling chromatin.
Definition: The activity of a transcription factor that can bind to nucleosomal DNA in chromatin and initiate chromatin remodeling to establish accessible regulatory regions
Justification: GATA3's pioneer function is well-established but not captured by existing GO terms. This function is distinct from regular DNA-binding transcription factor activity and represents a key mechanistic difference in how some transcription factors operate in chromatin contexts.
Supporting Evidence:
Definition: The process by which transcription factors coordinate the mutually exclusive development of T-helper 1 versus T-helper 2 cell fates through competitive binding and mutual antagonism
Justification: The mutual antagonism between GATA3 and T-bet represents a fundamental mechanism in cell fate decisions that lacks a specific GO term. This cross-regulatory mechanism is critical for proper immune system development.
Supporting Evidence:
| GO Term | Evidence | Action | Reason |
|---|---|---|---|
| GO:0000978 RNA polymerase II cis-regulatory region sequence-specific DNA binding | IBA GO_REF:0000033 | ACCEPT | Summary: GATA3 binds specific DNA sequences at cis-regulatory regions through its zinc finger domains, recognizing WGATAR consensus motifs. This is well-supported by experimental evidence showing GATA3 binding to promoters and enhancers of target genes like IL4, IL5, IL13, and TCR genes. Reason: This annotation accurately captures GATA3's core molecular function. The IBA annotation is consistent with extensive experimental evidence showing GATA3 binds to cis-regulatory elements with the WGATAR consensus sequence. This is a fundamental aspect of GATA3's transcription factor activity. Supporting Evidence: PMID:2017177 The murine and human factors are abundantly expressed in a variety of human and murine T-cell lines and can activate transcription through a tissue-specific GATA-binding site identified within the human T-cell receptor delta gene enhancer. PMID:19674970 In electrophoretic gel mobility shift assays and chromatin immunoprecipitation, GATA3 was shown to bind to regulatory regions within the 5'-untranslated region of the Tie2 gene. |
| GO:0000981 DNA-binding transcription factor activity, RNA polymerase II-specific | IBA GO_REF:0000033 | ACCEPT | Summary: GATA3 functions as a sequence-specific DNA-binding transcription factor that regulates RNA polymerase II transcription. It can both activate and repress transcription of target genes, with well-documented roles in activating Th2 cytokine genes and repressing Th1 genes like IFN-gamma. Reason: This is a core molecular function of GATA3, strongly supported by phylogenetic inference and consistent with extensive experimental evidence. GATA3 directly regulates transcription by RNA polymerase II through DNA binding and recruitment of coactivators or corepressors. Supporting Evidence: PMID:20484083 GATA-3 and c-Myb are core elements of a transcriptionally active complex essential for human Th2 cell development and maintenance... c-Myb allows GATA-3 to autoactivate its own expression, an event that requires the direct interaction of c-Myb and GATA-3 on their respective binding sites in promoter of GATA-3. |
| GO:0000981 DNA-binding transcription factor activity, RNA polymerase II-specific | IEA GO_REF:0000002 | ACCEPT | Summary: Electronic annotation based on InterPro domain analysis identifying GATA zinc finger domains characteristic of transcription factors. Reason: This IEA annotation is consistent with the IBA annotation and experimental evidence. While less specific than the IBA, it correctly identifies the core molecular function based on domain architecture. The annotation is accurate but redundant with the more specific IBA annotation above. |
| GO:0003677 DNA binding | IEA GO_REF:0000043 | MODIFY | Summary: Broad annotation for DNA binding based on UniProt keyword mapping. Reason: While GATA3 does bind DNA, this term is too general and uninformative. The more specific terms for sequence-specific DNA binding (GO:0000978) better capture GATA3's function. This overly broad term should be replaced with the more specific cis-regulatory region binding terms. Proposed replacements: RNA polymerase II cis-regulatory region sequence-specific DNA binding |
| GO:0003700 DNA-binding transcription factor activity | IEA GO_REF:0000120 | ACCEPT | Summary: General transcription factor activity annotation from combined automated methods. Consistent with experimental evidence. Reason: This term accurately captures GATA3's core transcriptional function. While more specific RNA pol II terms exist, this general transcription factor annotation is correct and aligns with other evidence. |
| GO:0005515 protein binding | IPI PMID:17075044 Interaction of GATA-3/T-bet transcription factors regulates ... | MODIFY | Summary: GATA3 physically interacts with T-bet, as shown by co-immunoprecipitation. This interaction is functionally important for Th1/Th2 lineage decisions. Reason: While the protein-protein interaction is real and functionally important, the generic "protein binding" term is uninformative. This should be replaced with more specific terms describing transcription factor interactions or transcriptional repressor complex binding, as the GATA3-T-bet interaction specifically antagonizes each other's transcriptional programs. Proposed replacements: transcription coactivator binding DNA-binding transcription factor binding Supporting Evidence: PMID:17075044 Interaction of GATA-3/T-bet transcription factors regulates expression of sialyl Lewis X homing receptors on Th1/Th2 lymphocytes. PMID:15662016 T helper cell fate specified by kinase-mediated interaction of T-bet with GATA-3. |
| GO:0000122 negative regulation of transcription by RNA polymerase II | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 can act as a transcriptional repressor, particularly for Th1 genes like IFN-gamma, where it recruits Polycomb repressive complexes to silence gene expression. Reason: This annotation correctly captures GATA3's repressor function. GATA3 negatively regulates transcription of Th1-specific genes like IFN-gamma and recruits repressive chromatin modifiers. This is a core aspect of its role in enforcing Th2 lineage commitment by suppressing alternative cell fates. Supporting Evidence: file:human/GATA3/GATA3-deep-research.md GATA3 represses the alternate Th1 program by silencing the *IFN-Ξ³* gene: in Th2 cells GATA3 binds the *Ifng* locus and recruits Polycomb repressive complex 2, depositing repressive chromatin marks to prevent IFN-Ξ³ expression. |
| GO:0000902 cell morphogenesis | IEA GO_REF:0000107 | MODIFY | Summary: Overly broad annotation that could apply to GATA3's role in epithelial morphogenesis during mammary gland development. Reason: This term is too vague. GATA3 does regulate morphogenesis but specifically in epithelial contexts (mammary ductal morphogenesis) and T cell differentiation. More specific terms for epithelial cell differentiation or mammary gland morphogenesis would be more informative. Proposed replacements: mammary gland alveolus development epithelial cell differentiation |
| GO:0000977 RNA polymerase II transcription regulatory region sequence-specific DNA binding | IEA GO_REF:0000107 | ACCEPT | Summary: Redundant with GO:0000978, correctly identifies GATA3's DNA binding to regulatory regions. Reason: This annotation is accurate and captures GATA3's sequence-specific DNA binding function at transcriptional regulatory regions. While similar to GO:0000978, it emphasizes the regulatory region aspect which is appropriate for GATA3. |
| GO:0000978 RNA polymerase II cis-regulatory region sequence-specific DNA binding | IEA GO_REF:0000107 | ACCEPT | Summary: Duplicate of the IBA annotation for the same term, based on ortholog data transfer. Reason: This IEA annotation correctly identifies the same core function as the IBA annotation above. While redundant, it provides independent computational support for this key molecular function of GATA3. |
| GO:0000987 cis-regulatory region sequence-specific DNA binding | IEA GO_REF:0000107 | ACCEPT | Summary: Another redundant annotation for GATA3's DNA binding activity at cis-regulatory elements. Reason: Accurate annotation but less specific than GO:0000978 which specifies RNA polymerase II. This correctly captures GATA3's sequence-specific DNA binding but the RNA pol II-specific terms are more informative. |
| GO:0001223 transcription coactivator binding | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 interacts with coactivators like c-Myb, Menin, and MLL to form transcriptionally active complexes, particularly during Th2 differentiation. Reason: This annotation accurately reflects GATA3's ability to bind transcriptional coactivators. Well-documented interactions include binding to c-Myb, Menin, MLL complex, and FOG proteins that modulate its transcriptional activity. Supporting Evidence: PMID:20484083 Immunoprecipitation revealed that the c-Myb/GATA-3 complex contained Menin and mixed lineage leukemia (MLL). |
| GO:0001228 DNA-binding transcription activator activity, RNA polymerase II-specific | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 functions as a transcriptional activator for Th2 cytokine genes (IL4, IL5, IL13) and other target genes. Reason: This annotation correctly captures GATA3's role as a transcriptional activator. GATA3 directly activates transcription of Th2 cytokine genes, TCR genes, and epithelial differentiation genes through RNA polymerase II. Supporting Evidence: PMID:2017177 The murine and human factors are abundantly expressed in a variety of human and murine T-cell lines and can activate transcription through a tissue-specific GATA-binding site identified within the human T-cell receptor delta gene enhancer. |
| GO:0001701 in utero embryonic development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 is essential for various aspects of embryonic development based on mouse knockout studies. Reason: While GATA3 is required for embryonic development (GATA3 knockout is embryonic lethal), this is a consequence of its specific roles in T cell, epithelial, and neuronal development rather than a core function. The term is too broad for the specific developmental processes GATA3 regulates. |
| GO:0001709 cell fate determination | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 is a master regulator determining T helper cell fate (Th2 vs Th1) and epithelial cell fate decisions. Reason: This is a core function of GATA3. It acts as a lineage-determining transcription factor for Th2 cells, CD4+ T cells in the thymus, and luminal epithelial cells in mammary tissue. GATA3 expression commits cells to specific developmental fates. |
| GO:0001764 neuron migration | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 has roles in sympathetic neuron development but specific involvement in neuron migration is less clear. Reason: While GATA3 is involved in nervous system development, particularly sympathetic neurons and inner ear development, neuron migration is not its primary function. This is a peripheral role compared to its core functions in T cell and epithelial differentiation. |
| GO:0001775 cell activation | IEA GO_REF:0000107 | MODIFY | Summary: Too broad - GATA3 is involved in T cell activation but this term lacks specificity. Reason: This term is too vague. GATA3 specifically regulates T cell activation and differentiation, particularly Th2 cell activation. More specific terms for T cell activation would be more informative. Proposed replacements: T cell differentiation T cell activation |
| GO:0001817 regulation of cytokine production | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 regulates cytokine production, specifically inducing Th2 cytokines (IL-4, IL-5, IL-13) and suppressing Th1 cytokines (IFN-gamma). Reason: This annotation accurately captures GATA3's role in regulating cytokine production. GATA3 directly activates Th2 cytokine genes and represses Th1 cytokines, making cytokine regulation a core function. |
| GO:0001819 positive regulation of cytokine production | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 positively regulates Th2 cytokine production (IL-4, IL-5, IL-13). Reason: Accurate annotation. GATA3 directly activates transcription of Th2 cytokine genes by binding to their regulatory regions and recruiting coactivators. This is a core function in Th2 immunity. |
| GO:0001823 mesonephros development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 is involved in kidney development based on mouse studies. Reason: While GATA3 is expressed during kidney development and GATA3 mutations cause renal dysplasia in HDR syndrome, this is not a core function compared to T cell and epithelial roles. This is a developmental role but peripheral to GATA3's main functions. |
| GO:0002088 lens development in camera-type eye | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 is essential for lens development, particularly lens fiber cell differentiation and crystallin expression. Reason: GATA3 is directly involved in lens development - it regulates gamma-crystallin expression and controls lens cell differentiation through cell cycle regulators. However, this is not a core function of GATA3 compared to its primary roles in T cell differentiation and epithelial development. The lens phenotype is one of many developmental defects in GATA3 knockout mice. Supporting Evidence: PMID:19623612 We demonstrate that the transcription factor GATA-3 is expressed in the posterior lens fiber cells during embryogenesis, and that GATA-3 deficiency impairs lens development. |
| GO:0002572 pro-T cell differentiation | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 is essential for early T cell development in the thymus. Reason: Core function. GATA3 is required for the development of T cell progenitors in the thymus. It is expressed early in T cell development and is essential for progression through early thymic checkpoints. |
| GO:0005134 interleukin-2 receptor binding | IEA GO_REF:0000107 | REMOVE | Summary: No evidence that GATA3 directly binds IL-2 receptor. This appears to be an incorrect annotation. Reason: GATA3 is a transcription factor that regulates gene expression, not a cytokine or ligand that binds IL-2 receptor. This annotation appears to be erroneous. GATA3 may regulate IL-2 receptor expression transcriptionally, but does not bind to the receptor itself. |
| GO:0006338 chromatin remodeling | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 functions as a pioneer transcription factor that can remodel chromatin and recruit chromatin remodeling complexes. Reason: This is an important molecular function of GATA3. As a pioneer transcription factor, GATA3 can bind to nucleosomal DNA and recruit chromatin remodeling complexes to establish new enhancers and open chromatin at target genes. Supporting Evidence: file:human/GATA3/GATA3-deep-research.md GATA3 also acts as a "pioneer" transcription factor, meaning it can engage chromatin in its native (nucleosomal) state and initiate chromatin remodeling. file:human/GATA3/GATA3-deep-research-falcon.md GATA factors are explicitly discussed as having **pioneer activity** (binding inaccessible chromatin and promoting chromatin opening), which is consistent with mechanistic reprogramming and enhancer-licensing models. file:human/GATA3/GATA3-deep-research-falcon.md Saotome et al. (Nucleic Acids Research, **Advance access Jan 28, 2024**) frame GATA3 as a **pioneer factor** in cellular reprogramming experiments; they show CHD4/NuRD can restrain inappropriate chromatin opening by promoting nucleosome positioning over GATA3 motifs, supporting a βproofreadingβ model for transcription factor binding specificity during reprogramming. |
| GO:0006366 transcription by RNA polymerase II | IEA GO_REF:0000107 | ACCEPT | Summary: Too general - GATA3 regulates transcription but this process term is overly broad. Reason: While accurate that GATA3 is involved in RNA pol II transcription, this is a very general process term. More specific terms about transcriptional regulation would be more informative, but the annotation is not incorrect. |
| GO:0006959 humoral immune response | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3-driven Th2 cells support humoral immunity through IL-4 production that promotes B cell responses. Reason: While GATA3 indirectly supports humoral immunity through Th2 cytokines that help B cells, this is an indirect effect of its primary role in Th2 differentiation. The term is accurate but represents a downstream consequence rather than a direct function. |
| GO:0007399 nervous system development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 has specific roles in sympathetic neuron and inner ear development. Reason: GATA3 does play roles in nervous system development, particularly in sympathetic neurons and auditory system development (mutations cause deafness in HDR syndrome). However, this is not its primary function compared to T cell and epithelial roles. |
| GO:0007411 axon guidance | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 regulates timing and trajectory of neurite outgrowth in spiral ganglion neurons. Reason: GATA3 controls intrinsic program of neurite outgrowth timing in spiral ganglion neurons and regulates critical circuit assembly events including trajectory of SGN neurite outgrowth. While this is a real function demonstrated in cochlear neurons, it is not a core function compared to T cell and epithelial roles. Supporting Evidence: PMID:23426694 Cochlear wiring is severely disrupted in these animals, with premature extension of neurites that follow highly abnormal trajectories toward their targets, as shown using in vitro neurite outgrowth assays together with time-lapse imaging of whole embryonic cochleae |
| GO:0008283 cell population proliferation | IEA GO_REF:0000107 | MODIFY | Summary: Too general - GATA3 affects proliferation in specific contexts. Reason: This term is too broad. GATA3 affects proliferation specifically in T cells and epithelial cells as part of differentiation programs. More specific terms would be more informative. Proposed replacements: T cell proliferation |
| GO:0008285 negative regulation of cell population proliferation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 can inhibit proliferation in some contexts, particularly in epithelial cells. Reason: GATA3 can negatively regulate proliferation, particularly in mammary epithelial cells where it promotes differentiation over proliferation. However, this is context-dependent and not a primary function. |
| GO:0009791 post-embryonic development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 continues to function in postnatal T cell and epithelial development. Reason: GATA3 has important postnatal roles in T cell differentiation and mammary gland development, but this broad developmental term is not specific enough to be considered a core function. |
| GO:0010628 positive regulation of gene expression | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 positively regulates expression of Th2 genes and epithelial genes. Reason: GATA3 functions as a transcriptional activator for many target genes. While broad, this accurately captures its activator function for Th2 cytokines, TCR genes, and epithelial differentiation genes. |
| GO:0010629 negative regulation of gene expression | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 negatively regulates Th1 genes like IFN-gamma and T-bet. Reason: GATA3 functions as a transcriptional repressor for Th1-specific genes, recruiting repressive complexes to silence alternative lineage genes. This is essential for Th2 lineage commitment. |
| GO:0010975 regulation of neuron projection development | IEA GO_REF:0000107 | REMOVE | Summary: GATA3 involvement in neuron projection development is not well-characterized. Reason: While GATA3 is involved in sympathetic neuron development, specific roles in neuron projection development are not well-established. This appears to be an over-interpretation of its neuronal functions. |
| GO:0030182 neuron differentiation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 involved in sympathetic neuron differentiation. Reason: GATA3 is required for sympathetic neuron differentiation but this is not its primary function compared to T cell and epithelial roles. |
| GO:0030217 T cell differentiation | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 is essential for T cell differentiation, both in thymic development of CD4+ T cells and peripheral Th2 differentiation. Reason: This is a core function of GATA3. It is required for CD4+ T cell development in the thymus and is the master regulator of Th2 differentiation in the periphery. GATA3 deficiency blocks T cell development. |
| GO:0030218 erythrocyte differentiation | IEA GO_REF:0000107 | REMOVE | Summary: GATA3 has minimal role in erythropoiesis compared to GATA1 and GATA2. Reason: This annotation likely results from confusion with other GATA family members. GATA1 and GATA2 are the primary GATA factors in erythroid development, not GATA3. GATA3 is primarily expressed in T cells, epithelial cells, and some neurons, not in the erythroid lineage. |
| GO:0032689 negative regulation of type II interferon production | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 represses IFN-gamma (type II interferon) production to enforce Th2 lineage commitment. Reason: This is a core function of GATA3 in Th2 cells. GATA3 directly represses the IFN-gamma gene by binding to its locus and recruiting Polycomb repressive complexes. This suppression of Th1 cytokines is essential for Th2 lineage commitment. Supporting Evidence: file:human/GATA3/GATA3-deep-research.md GATA3 represses the alternate Th1 program by silencing the *IFN-Ξ³* gene: in Th2 cells GATA3 binds the *Ifng* locus and recruits Polycomb repressive complex 2. |
| GO:0032703 negative regulation of interleukin-2 production | IEA GO_REF:0000107 | REMOVE | Summary: GATA3 may indirectly affect IL-2 production but this is not a primary function. Reason: While GATA3 affects T cell differentiation, direct negative regulation of IL-2 is not well-established as a GATA3 function. IL-2 is produced by activated T cells regardless of Th1/Th2 status. This annotation lacks strong support. |
| GO:0032736 positive regulation of interleukin-13 production | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 directly activates IL13 gene transcription as part of the Th2 cytokine program. Reason: This is a core, specific function of GATA3. It directly binds to the IL13 locus and activates its transcription in Th2 cells. This is one of the hallmark functions of GATA3 in type 2 immunity. Supporting Evidence: file:human/GATA3/GATA3-deep-research.md By binding multiple regulatory sites at the *Il4/Il5/Il13* locus, GATA3 promotes chromatin looping and robust transcription of these cytokines. |
| GO:0032753 positive regulation of interleukin-4 production | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 directly activates IL4 gene transcription, a hallmark of Th2 differentiation. Reason: This is a core function of GATA3. It directly binds to regulatory regions of the IL4 gene and activates its transcription. IL-4 production is one of the defining features of GATA3-driven Th2 cells. Supporting Evidence: PMID:20484083 Silencing c-Myb in normal human naive CD4(+) cells under Th2 cell-promoting conditions blocked up-regulation of GATA-3 and interleukin-4, and in effector/memory CD4(+) T cells, decreased expression of GATA-3 and Th2 cytokines. |
| GO:0032754 positive regulation of interleukin-5 production | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 directly activates IL5 gene transcription as part of the Th2 cytokine cluster. Reason: Core function of GATA3. It directly regulates IL5 transcription through binding to the Th2 cytokine locus. IL-5 is a key Th2 cytokine important for eosinophil activation and B cell responses. |
| GO:0033077 T cell differentiation in thymus | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 is essential for thymic T cell development, particularly for CD4+ lineage commitment. Reason: Core function. GATA3 is required in the thymus for CD4+ T cell development. It promotes CD4+ lineage choice by inducing ThPOK and is essential for proper thymocyte maturation. GATA3-deficient mice lack mature T cells. Supporting Evidence: file:human/GATA3/GATA3-deep-research.md During the CD4/CD8 lineage choice of thymocytes, GATA3 favors the helper T cell fate. It upregulates the transcription factor ThPOK (ZBTB7B) in double-positive thymocytes, which is required to enforce CD4+ lineage commitment. |
| GO:0035162 embryonic hemopoiesis | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 has roles in early hematopoiesis. Reason: While GATA3 is involved in early hematopoietic development, this is not its primary function. GATA2 is more critical for hematopoiesis. |
| GO:0035799 ureter maturation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 involved in urogenital development. Reason: GATA3 mutations cause renal dysplasia in HDR syndrome, but urogenital development is not a core function. |
| GO:0035898 parathyroid hormone secretion | IEA GO_REF:0000107 | MODIFY | Summary: GATA3 regulates PTH gene transcription but not the secretion process itself. Reason: GATA3 directly regulates transcription of the PTH gene, not the secretion process. The annotation should be for "positive regulation of parathyroid hormone gene expression" rather than secretion. While GATA3 mutations cause hypoparathyroidism, this is due to defective parathyroid development and reduced PTH transcription, not a direct role in hormone secretion. Proposed replacements: parathyroid gland development Supporting Evidence: PMID:25917456 Gata3 activates transcription of parathyroid hormone (PTH), which is secreted from parathyroid glands and is critical for regulating serum calcium and phosphate homeostasis. Gata3 interacted with Gcm2 and MafB, two known transcriptional regulators of parathyroid development, and synergistically stimulated the PTH promoter. |
| GO:0042421 norepinephrine biosynthetic process | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 is required for sympathetic neuron development which produce norepinephrine. Reason: GATA3 is necessary for sympathetic neuron development, and these neurons produce norepinephrine. However, this is an indirect effect through neuron differentiation rather than direct regulation of norepinephrine synthesis. This is a peripheral function. |
| GO:0042472 inner ear morphogenesis | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 required for inner ear development. Reason: GATA3 is necessary for inner ear development (deafness in HDR syndrome) but this is peripheral to its main T cell and epithelial functions. |
| GO:0043523 regulation of neuron apoptotic process | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 regulates sympathetic neuron survival through control of apoptotic genes. Reason: GATA3 does regulate apoptotic genes in sympathetic neurons (Bcl-2, Bcl-xL vs Bik, Bok, Bmf), but this is part of its role in sympathetic neuron development/maintenance rather than a primary function. GATA3 is not a general regulator of neuronal apoptosis - its effects are restricted to sympathetic neurons where it acts as a survival factor. Supporting Evidence: PMID:20702712 In the GATA3-deficient population, the expression of anti-apoptotic genes (Bcl-2, Bcl-xL, and NFΞΊB) is diminished, whereas the expression of pro-apoptotic genes (Bik, Bok, and Bmf) was increased. |
| GO:0045061 thymic T cell selection | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 essential for thymic T cell selection. Reason: Core function. GATA3 is required for proper T cell selection in the thymus, particularly for CD4+ T cell development. |
| GO:0045064 T-helper 2 cell differentiation | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 is THE master transcription factor for Th2 cell differentiation, absolutely required for this process. Reason: This is perhaps the most important and well-characterized function of GATA3. It is the master regulator of Th2 differentiation, required for Th2 cytokine expression and lineage commitment. No Th2 cells develop without GATA3. Recent 2024 work (Kumagai et al., PNAS) directly demonstrates that a distal enhancer ~900 kb downstream physically loops to the Gata3 TSS in Th2 cells and is required for in vivo Th2 differentiation and HDM-induced allergic airway inflammation. Supporting Evidence: file:human/GATA3/GATA3-deep-research.md GATA3 is a critical downstream effector in T-helper 2 (Th2) differentiation, integrating signals from the immune microenvironment. file:human/GATA3/GATA3-deep-research-falcon.md Kumagai et al. (PNAS, **published Jun 26, 2024**) describe an asthma-associated SNP-enriched region **~926β970 kb downstream** of human GATA3 (**hG900**) and show that activation of enhancers within hG900 correlates with GATA3 levels in human peripheral blood T cells; in mice, deletion of the homologous region (**mG900KO**) impaired **in vivo Th2 differentiation** and reduced **HDM-induced allergic airway inflammation**. file:human/GATA3/GATA3-deep-research-falcon.md **IL-4/STAT6** is described as a major driver of Th2 polarization, with additional inputs including **TCR**, **IL-2**, **IL-7**, and **NOTCH** signaling. |
| GO:0045597 positive regulation of cell differentiation | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 promotes differentiation of T cells and epithelial cells. Reason: Core function. GATA3 is a master regulator promoting differentiation in multiple cell types, particularly Th2 cells and epithelial cells. |
| GO:0045622 regulation of T-helper cell differentiation | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 is the master regulator of T helper cell differentiation, particularly Th2 lineage commitment. Reason: This is a core function of GATA3. It regulates T helper cell differentiation by promoting Th2 and inhibiting Th1 differentiation. GATA3 is the master transcription factor for Th2 lineage specification. |
| GO:0045786 negative regulation of cell cycle | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 can affect cell cycle in some contexts. Reason: GATA3 can influence cell cycle as part of differentiation programs but this is not a primary function. |
| GO:0045893 positive regulation of DNA-templated transcription | IEA GO_REF:0000120 | ACCEPT | Summary: GATA3 positively regulates transcription of target genes. Reason: Core molecular function. GATA3 activates transcription of numerous target genes through DNA binding and coactivator recruitment. |
| GO:0048469 cell maturation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 involved in T cell and epithelial cell maturation. Reason: While GATA3 promotes cell maturation, this broad term is less specific than the differentiation functions already annotated. |
| GO:0048485 sympathetic nervous system development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 required for sympathetic nervous system development. Reason: GATA3 is necessary for sympathetic neuron development but this is peripheral to its core T cell and epithelial functions. |
| GO:0048538 thymus development | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 is essential for thymic T cell development, particularly CD4+ T cell lineage commitment. Reason: Core function. GATA3 is absolutely required for proper thymus development and T cell maturation. GATA3-deficient mice have severe thymic defects and lack mature T cells. This is one of GATA3's primary developmental roles. |
| GO:0048568 embryonic organ development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 involved in various embryonic organ development. Reason: GATA3 contributes to development of multiple organs but this broad term is not specific enough to be a core function. |
| GO:0048589 developmental growth | IEA GO_REF:0000107 | REMOVE | Summary: GATA3 role in developmental growth is indirect. Reason: No direct evidence for GATA3 regulating growth per se. Effects on organ size are likely secondary to differentiation defects. |
| GO:0048646 anatomical structure formation involved in morphogenesis | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 involved in morphogenesis of epithelial structures. Reason: GATA3 contributes to epithelial morphogenesis (e.g., mammary ducts) but this is part of its broader epithelial differentiation role. |
| GO:0048872 homeostasis of number of cells | IEA GO_REF:0000107 | REMOVE | Summary: GATA3 role in cell number homeostasis is indirect. Reason: No direct evidence for GATA3 regulating cell number homeostasis. Any effects are likely secondary to differentiation functions. |
| GO:0060017 parathyroid gland development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 involved in parathyroid development. Reason: GATA3 is required for parathyroid development (HDR syndrome) but this is not a core function. |
| GO:0060374 mast cell differentiation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 may influence mast cell differentiation. Reason: GATA3 can affect mast cells through Th2 cytokines but this is indirect and not a primary function. |
| GO:0071345 cellular response to cytokine stimulus | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 responds to cytokine signals, particularly IL-4. Reason: GATA3 expression and activity are regulated by cytokine signaling, particularly IL-4/STAT6 pathway during Th2 differentiation. |
| GO:0071353 cellular response to interleukin-4 | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 expression induced by IL-4 signaling. Reason: Core regulatory mechanism. IL-4 signaling through STAT6 induces GATA3 expression, initiating Th2 differentiation. Recent reviews emphasize IL-4/STAT6 as the major driver of Th2 polarization, with additional inputs from TCR, IL-2, IL-7, and NOTCH signaling. Supporting Evidence: file:human/GATA3/GATA3-deep-research-falcon.md **IL-4/STAT6** is described as a major driver of Th2 polarization, with additional inputs including **TCR**, **IL-2**, **IL-7**, and **NOTCH** signaling. |
| GO:0071599 otic vesicle development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 involved in inner ear/otic vesicle development. Reason: GATA3 is required for inner ear development but this is peripheral to its main functions. |
| GO:0071773 cellular response to BMP stimulus | IEA GO_REF:0000107 | REMOVE | Summary: GATA3 response to BMP not well-characterized. Reason: Limited evidence for GATA3 specifically responding to BMP signaling. May be context-dependent or indirect. |
| GO:0072197 ureter morphogenesis | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 involved in ureter development. Reason: GATA3 mutations affect ureter development in HDR syndrome but this is not a core function. |
| GO:2000114 regulation of establishment of cell polarity | IEA GO_REF:0000107 | REMOVE | Summary: GATA3 role in cell polarity not established. Reason: No clear evidence for GATA3 directly regulating cell polarity establishment. |
| GO:2000553 positive regulation of T-helper 2 cell cytokine production | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 directly activates transcription of Th2 cytokine genes (IL-4, IL-5, IL-13). Reason: This is a core, specific function of GATA3. It directly binds to and activates the Th2 cytokine locus, inducing production of IL-4, IL-5, and IL-13. This is one of GATA3's most important and well-characterized functions. |
| GO:0001227 DNA-binding transcription repressor activity, RNA polymerase II-specific | IMP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | REMOVE | Summary: This paper actually shows GATA3 activating Tie2 expression in endothelial cells, not repressor activity. The annotation may be misattributed. Reason: The cited paper (PMID:19674970) demonstrates GATA3 as a transcriptional ACTIVATOR of Tie2, not a repressor. While GATA3 can act as a repressor for some genes (like IFN-gamma), this specific citation does not support repressor activity. The annotation appears to be incorrectly assigned to this reference. Supporting Evidence: PMID:19674970 GATA3 binds to and activates the Tie2 promoter, induces expression of Tie2 protein and mRNA, and thus regulates Ang-1-Tie2 signaling |
| GO:0001228 DNA-binding transcription activator activity, RNA polymerase II-specific | IDA PMID:2017177 Murine and human T-lymphocyte GATA-3 factors mediate transcr... | ACCEPT | Summary: Direct evidence that GATA3 activates transcription through GATA binding sites in T cell receptor genes. Reason: Strong experimental evidence showing GATA3 activates transcription. The paper demonstrates that human GATA3 can activate transcription through GATA-binding sites in the TCR delta gene enhancer. This is a core molecular function with direct experimental support. Supporting Evidence: PMID:2017177 The murine and human factors are abundantly expressed in a variety of human and murine T-cell lines and can activate transcription through a tissue-specific GATA-binding site identified within the human T-cell receptor delta gene enhancer. |
| GO:0030217 T cell differentiation | IDA PMID:2017177 Murine and human T-lymphocyte GATA-3 factors mediate transcr... | ACCEPT | Summary: This paper shows GATA3 regulates T cell-specific genes supporting T cell differentiation. Reason: GATA3 regulation of T cell receptor genes is part of T cell differentiation. This aligns with other evidence showing GATA3's core role in T cell development. not differentiation. A more accurate annotation would be regulation of T cell receptor signaling or T cell activation. Proposed replacements: T cell receptor signaling pathway Supporting Evidence: PMID:2017177 Analysis of human and murine GATA-3 factors shows... abundantly expressed in a variety of human and murine T-cell lines and can activate transcription through a tissue-specific GATA-binding site identified within the human T-cell receptor delta gene enhancer. |
| GO:0045944 positive regulation of transcription by RNA polymerase II | IDA PMID:2017177 Murine and human T-lymphocyte GATA-3 factors mediate transcr... | ACCEPT | Summary: Direct evidence that GATA3 positively regulates transcription of T cell receptor genes. Reason: This annotation is well-supported by the experimental evidence showing GATA3 activates transcription through GATA binding sites. This is a core function with direct experimental validation. Supporting Evidence: PMID:2017177 can activate transcription through a tissue-specific GATA-binding site identified within the human T-cell receptor delta gene enhancer. |
| GO:0000981 DNA-binding transcription factor activity, RNA polymerase II-specific | IDA PMID:20484083 c-Myb, Menin, GATA-3, and MLL form a dynamic transcription c... | ACCEPT | Summary: Direct evidence showing GATA3 functions as a transcription factor in complex with c-Myb, Menin, and MLL. Reason: Strong experimental evidence demonstrating GATA3's transcription factor activity. The paper shows GATA3 binds to its own promoter and regulates transcription as part of a multiprotein complex. This is a core molecular function. Supporting Evidence: PMID:20484083 c-Myb allows GATA-3 to autoactivate its own expression, an event that requires the direct interaction of c-Myb and GATA-3 on their respective binding sites in promoter of GATA-3. |
| GO:0010719 negative regulation of epithelial to mesenchymal transition | IMP PMID:26451614 MiR-573 inhibits prostate cancer metastasis by regulating ep... | KEEP AS NON CORE | Summary: GATA3 maintains epithelial identity and prevents epithelial-mesenchymal transition, particularly relevant in cancer contexts. Reason: While this is a valid function of GATA3 in epithelial cells (especially in breast cancer), it is not a core function compared to T cell and Th2 differentiation. GATA3 does maintain epithelial identity, but this EMT regulation is more of a consequence of its epithelial differentiation role. Supporting Evidence: PMID:26451614 MiR-573 inhibits prostate cancer metastasis by regulating epithelial-mesenchymal transition. |
| GO:0000981 DNA-binding transcription factor activity, RNA polymerase II-specific | ISA GO_REF:0000113 | ACCEPT | Summary: Annotation based on TFClass database classification of GATA3 as a sequence-specific DNA binding transcription factor. Reason: Valid annotation based on GATA3's classification in the TFClass database as a zinc finger transcription factor. This correctly identifies GATA3's core molecular function based on its protein family membership. |
| GO:0000978 RNA polymerase II cis-regulatory region sequence-specific DNA binding | IDA PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | ACCEPT | Summary: Direct experimental evidence of GATA3 binding to cis-regulatory regions of the Tie2 gene. Reason: Strong experimental evidence using ChIP and EMSA showing GATA3 binds to regulatory regions. This is a core molecular function with direct experimental validation. Supporting Evidence: PMID:19674970 In electrophoretic gel mobility shift assays and chromatin immunoprecipitation, GATA3 was shown to bind to regulatory regions within the 5'-untranslated region of the Tie2 gene. |
| GO:0005515 protein binding | IPI PMID:15662016 T helper cell fate specified by kinase-mediated interaction ... | MODIFY | Summary: GATA3 physically interacts with T-bet in a functionally important antagonistic relationship for Th1/Th2 fate decisions. Reason: While the protein interaction is real and functionally critical, "protein binding" is too generic. This paper specifically shows GATA3-T-bet interaction that controls cell fate. Should use more specific terms for transcription factor interactions. Proposed replacements: DNA-binding transcription factor binding Supporting Evidence: PMID:15662016 T-bet represses Th2 lineage commitment through tyrosine kinase-mediated interaction between the two transcription factors that interferes with the binding of GATA-3 to its target DNA. |
| GO:0003700 DNA-binding transcription factor activity | IDA PMID:19232384 Abundant expression of Kallikrein 1 gene in human keratinocy... | ACCEPT | Summary: Direct evidence of GATA3 functioning as a transcription factor regulating Kallikrein 1 gene expression in keratinocytes. Reason: Direct experimental evidence supports GATA3 functioning as a DNA-binding transcription factor. Aligns with other experimental evidence for this core function. Supporting Evidence: PMID:19232384 Feb 13. Abundant expression of Kallikrein 1 gene in human keratinocytes was mediated by GATA3. |
| GO:0003700 DNA-binding transcription factor activity | IMP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | ACCEPT | Summary: Experimental evidence for GATA3 transcription factor activity. Reason: Direct experimental evidence supports GATA3 functioning as a DNA-binding transcription factor. While GO:0000981 (RNA pol II-specific) would be more precise, this annotation is correct. Supporting Evidence: PMID:19674970 GATA3 binds to and activates the Tie2 promoter, induces expression of Tie2 protein and mRNA, and thus regulates Ang-1-Tie2 signaling. |
| GO:0003700 DNA-binding transcription factor activity | IDA PMID:19805038 The transcription factors T-bet and GATA-3 control alternati... | ACCEPT | Summary: Experimental evidence for GATA3 transcription factor activity. Reason: Direct experimental evidence supports GATA3 functioning as a DNA-binding transcription factor. While GO:0000981 (RNA pol II-specific) would be more precise, this annotation is correct. Supporting Evidence: PMID:19805038 Here, we provide a genomic map of T-bet and GATA-3 binding in primary human T cells and identify their target genes |
| GO:0003700 DNA-binding transcription factor activity | IDA PMID:20189993 GATA3 inhibits breast cancer metastasis through the reversal... | ACCEPT | Summary: Experimental evidence for GATA3 transcription factor activity. Reason: Direct experimental evidence supports GATA3 functioning as a DNA-binding transcription factor. While GO:0000981 (RNA pol II-specific) would be more precise, this annotation is correct. Supporting Evidence: PMID:20189993 GATA3 was found to induce E-cadherin expression through binding GATA-like motifs located in the E-cadherin promoter. |
| GO:0003700 DNA-binding transcription factor activity | IMP PMID:20368097 GATA3 siRNA inhibits the binding of NFAT1 to interleukin-13 ... | ACCEPT | Summary: Experimental evidence for GATA3 transcription factor activity. Reason: Direct experimental evidence supports GATA3 functioning as a DNA-binding transcription factor. While GO:0000981 (RNA pol II-specific) would be more precise, this annotation is correct. Supporting Evidence: PMID:20368097 Transcription factors GATA3 and NFAT1 have been both implicated in the regulation of Th2 cytokines. |
| GO:0000976 transcription cis-regulatory region binding | IDA PMID:19723756 A missense GATA3 mutation, Thr272Ile, causes the hypoparathy... | ACCEPT | Summary: Direct evidence of GATA3 binding to cis-regulatory regions. Reason: Experimental evidence shows GATA3 binds to gene regulatory regions. This is a core molecular function. Supporting Evidence: PMID:19723756 Epub 2009 Sep 1. A missense GATA3 mutation, Thr272Ile, causes the hypoparathyroidism, deafness, and renal dysplasia syndrome. |
| GO:0005515 protein binding | IPI PMID:19723756 A missense GATA3 mutation, Thr272Ile, causes the hypoparathy... | MODIFY | Summary: GATA3 protein-protein interactions demonstrated. Reason: While protein interactions are real, "protein binding" is too generic. More specific terms for transcription factor interactions would be better. Proposed replacements: DNA-binding transcription factor binding Supporting Evidence: PMID:19723756 Epub 2009 Sep 1. A missense GATA3 mutation, Thr272Ile, causes the hypoparathyroidism, deafness, and renal dysplasia syndrome. |
| GO:0000976 transcription cis-regulatory region binding | IDA PMID:20484083 c-Myb, Menin, GATA-3, and MLL form a dynamic transcription c... | ACCEPT | Summary: Direct evidence of GATA3 binding to cis-regulatory regions. Reason: Experimental evidence shows GATA3 binds to gene regulatory regions. This is a core molecular function. Supporting Evidence: PMID:20484083 c-Myb allows GATA-3 to autoactivate its own expression, an event that requires the direct interaction of c-Myb and GATA-3 on their respective binding sites in promoter of GATA-3. |
| GO:0005515 protein binding | IPI PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | MODIFY | Summary: GATA3 protein-protein interactions demonstrated. Reason: While protein interactions are real, "protein binding" is too generic. More specific terms for transcription factor interactions would be better. Proposed replacements: DNA-binding transcription factor binding Supporting Evidence: PMID:19674970 2009 Aug 12. Critical role for GATA3 in mediating Tie2 expression and function in large vessel endothelial cells. |
| GO:0000976 transcription cis-regulatory region binding | IDA PMID:19735555 GATA3 is a master regulator of the transcriptional response ... | ACCEPT | Summary: Direct evidence of GATA3 binding to cis-regulatory regions. Reason: Experimental evidence shows GATA3 binds to gene regulatory regions. This is a core molecular function. Supporting Evidence: PMID:19735555 Chromatin immunoprecipitation showed GATA3 to be able to bind the promoter of 4 genes responding to a 1 cGy exposure. |
| GO:0000976 transcription cis-regulatory region binding | IDA PMID:19805038 The transcription factors T-bet and GATA-3 control alternati... | ACCEPT | Summary: Direct evidence of GATA3 binding to cis-regulatory regions. Reason: Experimental evidence shows GATA3 binds to gene regulatory regions. This is a core molecular function. Supporting Evidence: PMID:19805038 T-bet and GATA-3 occupy many of the same genes, including those that are differentially expressed between Th1 and Th2 cells and play key roles in T-cell biology |
| GO:0000987 cis-regulatory region sequence-specific DNA binding | IDA PMID:19232384 Abundant expression of Kallikrein 1 gene in human keratinocy... | ACCEPT | Summary: Direct evidence of sequence-specific DNA binding to regulatory regions. Reason: Experimental evidence confirms GATA3 binds specific DNA sequences at regulatory regions. Core molecular function. Supporting Evidence: PMID:19232384 Feb 13. Abundant expression of Kallikrein 1 gene in human keratinocytes was mediated by GATA3. |
| GO:0000976 transcription cis-regulatory region binding | IDA PMID:20189993 GATA3 inhibits breast cancer metastasis through the reversal... | ACCEPT | Summary: Direct evidence of GATA3 binding to cis-regulatory regions. Reason: Experimental evidence shows GATA3 binds to gene regulatory regions. This is a core molecular function. Supporting Evidence: PMID:20189993 GATA3 was found to induce E-cadherin expression through binding GATA-like motifs located in the E-cadherin promoter. |
| GO:0003677 DNA binding | TAS PMID:1871134 The human enhancer-binding protein Gata3 binds to several T-... | MODIFY | Summary: Early paper demonstrating GATA3 binds to T cell receptor regulatory elements. Reason: While accurate, this term is too general. The paper specifically shows sequence-specific binding to GATA motifs in TCR regulatory elements. More specific terms would be more informative. Proposed replacements: RNA polymerase II cis-regulatory region sequence-specific DNA binding Supporting Evidence: PMID:1871134 The human enhancer-binding protein Gata3 binds to several T-cell receptor regulatory elements. |
| GO:0003700 DNA-binding transcription factor activity | TAS PMID:2050118 A T-cell specific TCR delta DNA binding protein is a member ... | ACCEPT | Summary: Experimental evidence for GATA3 transcription factor activity. Reason: Direct experimental evidence supports GATA3 functioning as a DNA-binding transcription factor. While GO:0000981 (RNA pol II-specific) would be more precise, this annotation is correct. Supporting Evidence: PMID:2050118 A T-cell specific TCR delta DNA binding protein is a member of the human GATA family. |
| GO:0003700 DNA-binding transcription factor activity | TAS PMID:8088776 Structure and expression of the human GATA3 gene. | ACCEPT | Summary: Experimental evidence for GATA3 transcription factor activity. Reason: Direct experimental evidence supports GATA3 functioning as a DNA-binding transcription factor. While GO:0000981 (RNA pol II-specific) would be more precise, this annotation is correct. Supporting Evidence: PMID:8088776 Structure and expression of the human GATA3 gene. |
| GO:0045944 positive regulation of transcription by RNA polymerase II | IBA GO_REF:0000033 | ACCEPT | Summary: GATA3 positively regulates transcription of Th2 cytokine genes and many other target genes through direct DNA binding at cis-regulatory elements. Reason: Core function of GATA3 as a transcriptional activator. Strongly supported by phylogenetic inference (IBA) and extensive experimental evidence showing GATA3 activates transcription of IL4, IL5, IL13, and TCR genes. |
| GO:0000122 negative regulation of transcription by RNA polymerase II | IBA GO_REF:0000033 | ACCEPT | Summary: GATA3 represses transcription of Th1-specific genes like IFN-gamma by recruiting Polycomb repressive complexes to deposit repressive chromatin marks. Reason: Core function of GATA3 in Th2 lineage commitment. IBA annotation is consistent with experimental evidence showing GATA3 silences IFN-gamma and T-bet-regulated genes in Th2 cells. Supporting Evidence: file:human/GATA3/GATA3-deep-research.md GATA3 represses the alternate Th1 program by silencing the IFN-gamma gene in Th2 cells where it binds the Ifng locus and recruits Polycomb repressive complex 2. |
| GO:0002520 immune system development | IBA GO_REF:0000033 | ACCEPT | Summary: GATA3 is essential for T cell development in the thymus and T helper cell differentiation in the periphery, making it a key regulator of immune system development. Reason: Core function of GATA3. Phylogenetic inference is consistent with extensive evidence that GATA3 is required for thymocyte maturation and CD4+ T cell lineage commitment. |
| GO:0045165 cell fate commitment | IBA GO_REF:0000033 | ACCEPT | Summary: GATA3 is a master regulator of cell fate commitment in T cells, driving Th2 lineage commitment while repressing alternative fates. Also essential for CD4+ vs CD8+ lineage choice. Reason: Core function of GATA3. The IBA annotation correctly reflects GATA3's fundamental role in T cell lineage decisions - both CD4/CD8 choice during thymic development and Th1/Th2 commitment in the periphery. |
| GO:0030856 regulation of epithelial cell differentiation | IBA GO_REF:0000033 | KEEP AS NON CORE | Summary: GATA3 regulates epithelial cell differentiation in mammary gland and other tissues, maintaining luminal epithelial identity. Reason: Valid function of GATA3 in epithelial cells, particularly mammary gland where it maintains luminal identity. Recent 2024 work shows GATA3 is an endogenous AR-interacting protein in breast cancer cells; AR/GATA3 co-occupancy drives expression of luminal differentiation genes (EHF, KDM4B). However, this is secondary to its core T cell functions. Supporting Evidence: file:human/GATA3/GATA3-deep-research-falcon.md GATA3 is a core determinant of luminal epithelial identity in breast biology and is frequently used as a marker of luminal differentiation state. file:human/GATA3/GATA3-deep-research-falcon.md AR activation (DHT) increased **nuclear ARβGATA3 interactions** and produced AR-dependent enrichment of GATA3 chromatin binding at a subset of loci. |
| GO:0048568 embryonic organ development | IBA GO_REF:0000033 | KEEP AS NON CORE | Summary: GATA3 is involved in embryonic development of parathyroid, inner ear, kidney, and thymus. HDR syndrome demonstrates these developmental roles. Reason: Valid function based on GATA3 mutations causing HDR syndrome affecting parathyroid, ear, and kidney development. However, these are secondary to GATA3's core T cell and epithelial differentiation functions. |
| GO:0002376 immune system process | IEA GO_REF:0000043 | ACCEPT | Summary: GATA3 plays essential roles in multiple immune system processes including T cell development and Th2 immune responses. Reason: Core function. While this is a general term, GATA3 is fundamentally an immune system regulator essential for T cell development and type 2 immune responses. The IEA annotation based on UniProt keyword mapping is valid. |
| GO:0006355 regulation of DNA-templated transcription | IEA GO_REF:0000002 | ACCEPT | Summary: GATA3 regulates transcription by binding to GATA motifs in target gene promoters and enhancers, acting as both an activator and repressor. Reason: Core function. GATA3 is fundamentally a transcription factor that regulates gene expression. IEA based on InterPro domain annotation is valid and consistent with extensive experimental evidence. |
| GO:0006357 regulation of transcription by RNA polymerase II | IEA GO_REF:0000120 | ACCEPT | Summary: GATA3 regulates RNA polymerase II transcription at target gene promoters and enhancers through sequence-specific DNA binding. Reason: Core function. GATA3 binds DNA at cis-regulatory regions and regulates transcription by RNA polymerase II. This is well established by experimental evidence. |
| GO:0008270 zinc ion binding | IEA GO_REF:0000120 | ACCEPT | Summary: GATA3 contains two C4-type zinc finger domains that coordinate zinc ions and are essential for DNA binding activity. Reason: Core molecular function. GATA3 has two zinc finger domains (ZnF-N and ZnF-C) that bind zinc ions and are required for DNA recognition. This is a structural feature essential for GATA3 function. |
| GO:0009653 anatomical structure morphogenesis | IEA GO_REF:0000117 | KEEP AS NON CORE | Summary: GATA3 is involved in morphogenesis of multiple organs including inner ear, kidney, and mammary gland. Reason: Valid annotation - GATA3 is involved in morphogenesis of multiple organs. However, this is a broad term and these morphogenetic roles are secondary to GATA3's core T cell functions. |
| GO:0030154 cell differentiation | IEA GO_REF:0000117 | ACCEPT | Summary: GATA3 is a master regulator of cell differentiation, particularly T cell and epithelial cell differentiation. Reason: Core function. GATA3 is fundamentally a differentiation regulator essential for Th2 cell differentiation, CD4+ T cell development, and epithelial differentiation. |
| GO:0043565 sequence-specific DNA binding | IEA GO_REF:0000120 | ACCEPT | Summary: GATA3 binds DNA in a sequence-specific manner, recognizing the WGATAR consensus motif through its C-terminal zinc finger domain. Reason: Core molecular function. Sequence-specific DNA binding to GATA motifs is the fundamental mechanism by which GATA3 regulates gene expression. |
| GO:0045087 innate immune response | IEA GO_REF:0000043 | KEEP AS NON CORE | Summary: GATA3 regulates innate lymphoid cell (ILC2) development and function in innate immune responses. Reason: GATA3 is essential for ILC2 development, established by 2024 work showing ILC2-specific super-enhancers (G3SE) drive high GATA3 in late ILC2-committed precursors and G3SE-deficient mice exhibit ILC2 deficiency without impacting Th2 cells. ILC2 regulation of GATA3 is distinct from Th2 (can be IL-4/STAT6-independent). This is a valid but secondary function relative to GATA3's primary adaptive immunity role. Supporting Evidence: file:human/GATA3/GATA3-deep-research-falcon.md **G3SE-deficient mice** exhibited **ILC2 deficiency** in bone marrow and peripheral tissues (lung, liver, small intestine) with minimal impact on other ILC lineages or Th2 cells. file:human/GATA3/GATA3-deep-research-falcon.md GATA3 is also essential for type 2 innate lymphoid cell (ILC2) development and maintenance; importantly, the regulation of GATA3 in ILC2 can be **distinct** from Th2 regulation (e.g., ILC2 development can be IL-4/STAT6-independent). |
| GO:0046872 metal ion binding | IEA GO_REF:0000043 | ACCEPT | Summary: GATA3 binds zinc ions through its C4-type zinc finger domains. The more specific term zinc ion binding (GO:0008270) is also annotated. Reason: Valid annotation as GATA3 contains zinc fingers that bind metal ions. However, the more specific zinc ion binding term is preferred. |
| GO:0048731 system development | IEA GO_REF:0000117 | KEEP AS NON CORE | Summary: GATA3 is involved in development of immune system, nervous system (sympathetic neurons), and other organ systems. Reason: Valid but very broad annotation. GATA3 is involved in multiple system development programs but more specific terms better capture its functions. |
| GO:0050793 regulation of developmental process | IEA GO_REF:0000117 | ACCEPT | Summary: GATA3 regulates developmental processes including T cell development, epithelial differentiation, and organ development. Reason: Core function. GATA3 is fundamentally a regulator of developmental processes, particularly immune cell and epithelial cell differentiation. |
| GO:1990837 sequence-specific double-stranded DNA binding | IEA GO_REF:0000117 | ACCEPT | Summary: GATA3 binds double-stranded DNA at WGATAR consensus motifs through its C-terminal zinc finger domain. Reason: Core molecular function. GATA3 binds dsDNA in a sequence-specific manner to regulate gene expression. |
| GO:0005515 protein binding | IPI PMID:25416956 A proteome-scale map of the human interactome network. | REMOVE | Summary: Generic protein binding annotation from high-throughput protein interaction study. Reason: Generic protein binding is uninformative. More specific terms for transcription factor interactions would be preferred. Supporting Evidence: PMID:25416956 A proteome-scale map of the human interactome network. |
| GO:0005515 protein binding | IPI PMID:25910212 Widespread macromolecular interaction perturbations in human... | REMOVE | Summary: Generic protein binding annotation from high-throughput protein interaction study. Reason: Generic protein binding is uninformative. More specific terms for transcription factor interactions would be preferred. Supporting Evidence: PMID:25910212 Widespread macromolecular interaction perturbations in human genetic disorders. |
| GO:0005515 protein binding | IPI PMID:26028330 Dysfunction of the Reciprocal Feedback Loop between GATA3- a... | REMOVE | Summary: Generic protein binding annotation from high-throughput protein interaction study. Reason: Generic protein binding is uninformative. More specific terms for transcription factor interactions would be preferred. Supporting Evidence: PMID:26028330 2015 May 28. Dysfunction of the Reciprocal Feedback Loop between GATA3- and ZEB2-Nucleated Repression Programs Contributes to Breast Cancer Metastasis. |
| GO:0005515 protein binding | IPI PMID:26871637 Widespread Expansion of Protein Interaction Capabilities by ... | REMOVE | Summary: Generic protein binding annotation from high-throughput protein interaction study. Reason: Generic protein binding is uninformative. More specific terms for transcription factor interactions would be preferred. Supporting Evidence: PMID:26871637 Widespread Expansion of Protein Interaction Capabilities by Alternative Splicing. |
| GO:0005515 protein binding | IPI PMID:26899996 GATA3 inhibits GCM1 activity and trophoblast cell invasion. | REMOVE | Summary: Generic protein binding annotation from high-throughput protein interaction study. Reason: Generic protein binding is uninformative. More specific terms for transcription factor interactions would be preferred. Supporting Evidence: PMID:26899996 GATA3 inhibits GCM1 activity and trophoblast cell invasion. |
| GO:0005515 protein binding | IPI PMID:28263977 GATA3 interacts with and stabilizes HIF-1Ξ± to enhance cancer... | REMOVE | Summary: Generic protein binding annotation from high-throughput protein interaction study. Reason: Generic protein binding is uninformative. More specific terms for transcription factor interactions would be preferred. Supporting Evidence: PMID:28263977 GATA3 interacts with and stabilizes HIF-1Ξ± to enhance cancer cell invasiveness. |
| GO:0005515 protein binding | IPI PMID:32814053 Interactome Mapping Provides a Network of Neurodegenerative ... | REMOVE | Summary: Generic protein binding annotation from high-throughput protein interaction study. Reason: Generic protein binding is uninformative. More specific terms for transcription factor interactions would be preferred. Supporting Evidence: PMID:32814053 Interactome Mapping Provides a Network of Neurodegenerative Disease Proteins and Uncovers Widespread Protein Aggregation in Affected Brains. |
| GO:0001806 type IV hypersensitivity | IEA GO_REF:0000120 | KEEP AS NON CORE | Summary: GATA3 regulates Th2 cells which are involved in type IV delayed-type hypersensitivity reactions through cytokine production. Reason: Valid annotation as GATA3-driven Th2 responses contribute to delayed-type hypersensitivity. However, this is a downstream consequence of Th2 differentiation rather than a core function. |
| GO:0003180 aortic valve morphogenesis | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: GATA3 role in cardiac valve development is inferred from mouse orthologs but limited evidence in humans. Reason: While GATA3 may have roles in cardiac development based on mouse studies, this very specific cardiac function is not well-characterized in humans and likely represents over-annotation from ortholog transfer. |
| GO:0003215 cardiac right ventricle morphogenesis | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: GATA3 role in cardiac morphogenesis is inferred from mouse orthologs but limited evidence in humans. Reason: This very specific cardiac function is not well-characterized in humans. GATA3's main developmental roles are in T cells, epithelium, and HDR syndrome-affected organs (parathyroid, ear, kidney), not cardiac development. |
| GO:0003281 ventricular septum development | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: GATA3 role in cardiac septum development is inferred from mouse orthologs but limited evidence in humans. Reason: This very specific cardiac function is not well-characterized in humans. GATA3 mutations cause HDR syndrome (hypoparathyroidism, deafness, renal dysplasia) not cardiac defects. |
| GO:0006954 inflammatory response | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 regulates Th2-mediated inflammatory responses including allergic inflammation and type 2 immunity. Reason: Valid annotation as GATA3-driven Th2 responses contribute to allergic and type 2 inflammatory responses. This is a downstream consequence of Th2 differentiation. |
| GO:0007165 signal transduction | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 is a downstream effector in cytokine signaling pathways, particularly IL-4/STAT6 signaling. Reason: While GATA3 is induced by and responds to signaling pathways, it is primarily a transcription factor rather than a signal transducer. This annotation is somewhat misleading about GATA3's primary role. |
| GO:0008584 male gonad development | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: GATA3 role in gonad development is inferred from mouse orthologs but not well-characterized in humans. Reason: Limited evidence for GATA3 in human male gonad development. HDR syndrome does not include gonadal abnormalities. |
| GO:0009410 response to xenobiotic stimulus | IEA GO_REF:0000120 | REMOVE | Summary: Limited evidence for GATA3 in xenobiotic response. Reason: No clear evidence that GATA3 directly functions in xenobiotic response. This likely represents spurious IEA annotation. |
| GO:0010332 response to gamma radiation | IEA GO_REF:0000120 | KEEP AS NON CORE | Summary: GATA3 has been implicated in cellular response to ionizing radiation in keratinocytes based on PMID:19735555. Reason: Valid annotation based on evidence that GATA3 regulates genes responding to low-dose ionizing radiation in keratinocytes. However, this is not a core function. Supporting Evidence: PMID:19735555 The present study investigated the role of GATA3 protein in the control of the cellular and molecular response of human keratinocytes exposed to a 1 cGy dose of X-rays. |
| GO:0010467 gene expression | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 regulates gene expression of target genes through its transcription factor activity. Reason: Core function. GATA3 is fundamentally a regulator of gene expression through transcriptional activation and repression of target genes. |
| GO:0030225 macrophage differentiation | IEA GO_REF:0000107 | REMOVE | Summary: Limited evidence for direct GATA3 role in macrophage differentiation. GATA3 is primarily T cell specific. Reason: GATA3 is primarily expressed in T cells, epithelial cells, and neurons. Macrophage differentiation is mainly controlled by GATA1/2. This annotation likely represents incorrect ortholog transfer. |
| GO:0031929 TOR signaling | IEA GO_REF:0000107 | REMOVE | Summary: Limited evidence for GATA3 involvement in TOR signaling pathway. Reason: No well-established direct role for GATA3 in TOR signaling. This annotation likely represents ortholog transfer without strong support for this function in GATA3. |
| GO:0042802 identical protein binding | IEA GO_REF:0000107 | REMOVE | Summary: Limited evidence for GATA3 homodimerization. Reason: While GATA transcription factors can form homodimers, this is not a well-characterized function for GATA3. The primary protein interactions are with cofactors like FOG1/2 and antagonists like T-bet. |
| GO:0043491 phosphatidylinositol 3-kinase/protein kinase B signal transduction | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 may influence PI3K/AKT signaling in specific contexts such as endothelial cells (PMID:19674970). Reason: Evidence from endothelial cell studies suggests GATA3 can influence PI3K signaling through Tie2 regulation. However, this is not a core function of GATA3. |
| GO:0045471 response to ethanol | IEA GO_REF:0000120 | REMOVE | Summary: No clear evidence for GATA3 directly functioning in ethanol response. Reason: No established role for GATA3 in ethanol response. This likely represents spurious IEA annotation. |
| GO:0045582 positive regulation of T cell differentiation | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 positively regulates T cell differentiation, driving Th2 commitment in peripheral T cells and CD4+ lineage choice in the thymus. Reason: Core function. GATA3 is the master regulator of Th2 cell differentiation and also promotes CD4+ T cell development in the thymus. |
| GO:0045944 positive regulation of transcription by RNA polymerase II | IEA GO_REF:0000120 | ACCEPT | Summary: GATA3 activates transcription by RNA polymerase II at target gene promoters including Th2 cytokines and self-regulation. Reason: Core function. GATA3 is a transcriptional activator that positively regulates many target genes including IL4, IL5, IL13, and its own expression. |
| GO:1990226 histone methyltransferase binding | IEA GO_REF:0000120 | ACCEPT | Summary: GATA3 interacts with MLL (a histone methyltransferase) as part of the c-Myb/GATA3/Menin/MLL complex that regulates Th2 differentiation. Reason: Valid molecular function. GATA3 forms a complex with MLL histone methyltransferase through Menin, which mediates H3K4 methylation at target genes during Th2 differentiation. Supporting Evidence: PMID:20484083 Immunoprecipitation revealed that the c-Myb/GATA-3 complex contained Menin and mixed lineage leukemia (MLL). |
| GO:0006954 inflammatory response | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 regulates type 2 inflammatory responses through Th2 cytokine production. Reason: Valid annotation as GATA3-driven Th2 responses contribute to allergic and type 2 inflammatory responses. Duplicate of IEA annotation with same term. |
| GO:0030225 macrophage differentiation | ISS GO_REF:0000024 | REMOVE | Summary: Limited evidence for direct GATA3 role in macrophage differentiation. Reason: GATA3 is primarily expressed in T cells, epithelial cells, and neurons. Macrophage differentiation is mainly controlled by GATA1/2. This ISS annotation duplicates questionable IEA annotation. |
| GO:0045064 T-helper 2 cell differentiation | IDA PMID:20484083 c-Myb, Menin, GATA-3, and MLL form a dynamic transcription c... | ACCEPT | Summary: Direct experimental evidence for GATA3 as the master regulator of Th2 cell differentiation. Reason: This is the most important core function of GATA3. Direct experimental evidence from PMID:20484083 shows GATA3 in a complex with c-Myb, Menin, and MLL that drives Th2 differentiation. Supporting Evidence: PMID:20484083 c-Myb, Menin, GATA-3, and MLL form a dynamic transcription complex that plays a pivotal role in human T helper type 2 cell development. |
| GO:0045944 positive regulation of transcription by RNA polymerase II | IDA PMID:20484083 c-Myb, Menin, GATA-3, and MLL form a dynamic transcription c... | ACCEPT | Summary: Direct experimental evidence for GATA3 activating transcription through its complex with c-Myb, Menin, and MLL. Reason: Core function with strong experimental support. GATA3 autoactivates its own transcription and activates target gene expression through histone modifications. Supporting Evidence: PMID:20484083 c-Myb allows GATA-3 to autoactivate its own expression, an event that requires the direct interaction of c-Myb and GATA-3 on their respective binding sites in promoter of GATA-3. |
| GO:0061629 RNA polymerase II-specific DNA-binding transcription factor binding | IPI PMID:15016828 Interaction between hex and GATA transcription factors in va... | ACCEPT | Summary: GATA3 physically interacts with other transcription factors including T-bet, c-Myb, and ELF1. Reason: Valid molecular function. GATA3 interacts with multiple transcription factors that modulate its activity, including T-bet (antagonist) and c-Myb (cooperator). Supporting Evidence: PMID:15016828 2004 Mar 10. Interaction between hex and GATA transcription factors in vascular endothelial cells inhibits flk-1/KDR-mediated vascular endothelial growth factor signaling. |
| GO:1990837 sequence-specific double-stranded DNA binding | IDA PMID:28473536 Impact of cytosine methylation on DNA binding specificities ... | ACCEPT | Summary: Direct experimental evidence for GATA3 sequence-specific DNA binding. Reason: Core molecular function. GATA3 binds dsDNA at WGATAR motifs through its C-terminal zinc finger domain. Supporting Evidence: PMID:28473536 Impact of cytosine methylation on DNA binding specificities of human transcription factors. |
| GO:0003180 aortic valve morphogenesis | ISS GO_REF:0000024 | MARK AS OVER ANNOTATED | Summary: ISS annotation based on mouse data. Cardiac developmental roles not well-characterized for human GATA3. Reason: Duplicate of IEA annotation. Limited evidence for GATA3 in human cardiac development. |
| GO:0003215 cardiac right ventricle morphogenesis | ISS GO_REF:0000024 | MARK AS OVER ANNOTATED | Summary: ISS annotation based on mouse data. Cardiac developmental roles not well-characterized for human GATA3. Reason: Duplicate of IEA annotation. Limited evidence for GATA3 in human cardiac development. |
| GO:0003281 ventricular septum development | ISS GO_REF:0000024 | MARK AS OVER ANNOTATED | Summary: ISS annotation based on mouse data. Cardiac developmental roles not well-characterized for human GATA3. Reason: Duplicate of IEA annotation. Limited evidence for GATA3 in human cardiac development. |
| GO:0001822 kidney development | IMP PMID:19248180 HDR syndrome: a novel "de novo" mutation in GATA3 gene. | KEEP AS NON CORE | Summary: GATA3 mutations cause renal dysplasia as part of HDR syndrome. Reason: Valid function based on HDR syndrome phenotype (renal dysplasia). However, kidney development is secondary to GATA3's core T cell and epithelial functions. Supporting Evidence: PMID:19248180 HDR syndrome: a novel "de novo" mutation in GATA3 gene. file:human/GATA3/GATA3-deep-research-falcon.md Recent case literature supports that **GATA3 haploinsufficiency** causes HDR syndrome (hypoparathyroidism, sensorineural deafness, renal anomalies), highlighting a developmental requirement for GATA3 outside immunity and cancer contexts |
| GO:0001822 kidney development | IMP PMID:19723756 A missense GATA3 mutation, Thr272Ile, causes the hypoparathy... | KEEP AS NON CORE | Summary: GATA3 mutations cause renal dysplasia as part of HDR syndrome. Reason: Valid function based on HDR syndrome phenotype. Duplicate annotation with different PMID reference. Supporting Evidence: PMID:19723756 Epub 2009 Sep 1. A missense GATA3 mutation, Thr272Ile, causes the hypoparathyroidism, deafness, and renal dysplasia syndrome. |
| GO:0008584 male gonad development | ISS GO_REF:0000024 | MARK AS OVER ANNOTATED | Summary: Limited evidence for GATA3 in human male gonad development. Reason: Duplicate of IEA annotation. HDR syndrome does not include gonadal abnormalities. |
| GO:0043583 ear development | IMP PMID:19248180 HDR syndrome: a novel "de novo" mutation in GATA3 gene. | KEEP AS NON CORE | Summary: GATA3 mutations cause sensorineural deafness as part of HDR syndrome. Reason: Valid function based on HDR syndrome phenotype. Deafness is a consistent feature of GATA3 haploinsufficiency, indicating a role in ear development. Supporting Evidence: PMID:19248180 HDR syndrome: a novel "de novo" mutation in GATA3 gene. file:human/GATA3/GATA3-deep-research-falcon.md Recent case literature supports that **GATA3 haploinsufficiency** causes HDR syndrome (hypoparathyroidism, sensorineural deafness, renal anomalies), highlighting a developmental requirement for GATA3 outside immunity and cancer contexts |
| GO:0043583 ear development | IMP PMID:19723756 A missense GATA3 mutation, Thr272Ile, causes the hypoparathy... | KEEP AS NON CORE | Summary: GATA3 mutations cause sensorineural deafness as part of HDR syndrome. Reason: Valid function based on HDR syndrome. Duplicate annotation with different PMID reference. Supporting Evidence: PMID:19723756 Epub 2009 Sep 1. A missense GATA3 mutation, Thr272Ile, causes the hypoparathyroidism, deafness, and renal dysplasia syndrome. |
| GO:0045893 positive regulation of DNA-templated transcription | IDA PMID:19723756 A missense GATA3 mutation, Thr272Ile, causes the hypoparathy... | ACCEPT | Summary: GATA3 activates transcription of target genes including PTH and developmental targets. Reason: Core molecular function of GATA3 as a transcriptional activator. Supporting Evidence: PMID:19723756 Epub 2009 Sep 1. A missense GATA3 mutation, Thr272Ile, causes the hypoparathyroidism, deafness, and renal dysplasia syndrome. |
| GO:0031929 TOR signaling | ISS GO_REF:0000024 | REMOVE | Summary: Limited evidence for GATA3 in TOR signaling. Reason: Duplicate of IEA annotation. No well-established direct role for GATA3 in TOR signaling. |
| GO:0043491 phosphatidylinositol 3-kinase/protein kinase B signal transduction | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: Possible role through Tie2-PI3K signaling in endothelial cells. Reason: Duplicate of IEA annotation. Secondary effect through Tie2 signaling regulation. |
| GO:0045582 positive regulation of T cell differentiation | ISS GO_REF:0000024 | ACCEPT | Summary: GATA3 promotes T cell differentiation through Th2 commitment and CD4+ lineage specification. Reason: Core function. Consistent with extensive experimental evidence. |
| GO:0050852 T cell receptor signaling pathway | ISS GO_REF:0000024 | ACCEPT | Summary: GATA3 regulates TCR gene expression and is induced by TCR signaling. Reason: Core function. GATA3 regulates TCR genes and is a downstream effector of TCR signaling during T cell differentiation. |
| GO:0009967 positive regulation of signal transduction | IMP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | KEEP AS NON CORE | Summary: GATA3 promotes Ang-1/Tie2 signaling in endothelial cells. Reason: Valid in endothelial context through Tie2 regulation, but not a core function of GATA3. Supporting Evidence: PMID:19674970 GATA3 binds to and activates the Tie2 promoter, induces expression of Tie2 protein and mRNA, and thus regulates Ang-1-Tie2 signaling. |
| GO:0010595 positive regulation of endothelial cell migration | IMP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | KEEP AS NON CORE | Summary: GATA3 promotes endothelial cell migration through Tie2 signaling. Reason: Valid in endothelial context but not a core function of GATA3. Supporting Evidence: PMID:19674970 2009 Aug 12. Critical role for GATA3 in mediating Tie2 expression and function in large vessel endothelial cells. |
| GO:0032736 positive regulation of interleukin-13 production | IMP PMID:20368097 GATA3 siRNA inhibits the binding of NFAT1 to interleukin-13 ... | ACCEPT | Summary: GATA3 directly activates IL-13 transcription in Th2 cells. Reason: Core function. GATA3 is the master regulator of Th2 cytokine production including IL-13. Supporting Evidence: PMID:20368097 The binding of NFAT1 to IL-13 promoter was inhibited by GATA3 siRNA in activated T cells, which was followed by the reduction of IL-13 transcription. |
| GO:0032736 positive regulation of interleukin-13 production | IDA PMID:20554961 Cutting edge: Type I IFN reverses human Th2 commitment and s... | ACCEPT | Summary: Direct experimental evidence for GATA3 in IL-13 regulation. Reason: Core function. Duplicate annotation with different evidence code. Supporting Evidence: PMID:20554961 Jun 16. Cutting edge: Type I IFN reverses human Th2 commitment and stability by suppressing GATA3. |
| GO:0032754 positive regulation of interleukin-5 production | IDA PMID:20554961 Cutting edge: Type I IFN reverses human Th2 commitment and s... | ACCEPT | Summary: GATA3 directly activates IL-5 transcription in Th2 cells. Reason: Core function. GATA3 is the master regulator of Th2 cytokine production including IL-5. Supporting Evidence: PMID:20554961 Jun 16. Cutting edge: Type I IFN reverses human Th2 commitment and stability by suppressing GATA3. |
| GO:0033600 negative regulation of mammary gland epithelial cell proliferation | IDA PMID:19483726 GATA3 inhibits breast cancer growth and pulmonary breast can... | KEEP AS NON CORE | Summary: GATA3 restrains mammary epithelial cell proliferation as part of its differentiation function. Reason: Valid function in mammary epithelium where GATA3 promotes luminal differentiation over proliferation. Not a core function. Supporting Evidence: PMID:19483726 GATA3 inhibits breast cancer growth and pulmonary breast cancer metastasis. |
| GO:0045892 negative regulation of DNA-templated transcription | IMP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | ACCEPT | Summary: GATA3 can repress transcription of certain target genes. Reason: Core function. GATA3 acts as both activator and repressor of transcription, particularly repressing Th1 genes like IFN-gamma. Supporting Evidence: PMID:19674970 2009 Aug 12. Critical role for GATA3 in mediating Tie2 expression and function in large vessel endothelial cells. |
| GO:0045893 positive regulation of DNA-templated transcription | IMP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | ACCEPT | Summary: GATA3 positively regulates transcription of Tie2 and other target genes. Reason: Core function of GATA3 as a transcriptional activator. Supporting Evidence: PMID:19674970 2009 Aug 12. Critical role for GATA3 in mediating Tie2 expression and function in large vessel endothelial cells. |
| GO:0050728 negative regulation of inflammatory response | IMP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | KEEP AS NON CORE | Summary: GATA3 negatively regulates inflammatory response in endothelial cells through Tie2 signaling. Reason: Valid in endothelial context where GATA3 promotes Tie2-mediated anti-inflammatory signaling. Not a core function. Supporting Evidence: PMID:19674970 2009 Aug 12. Critical role for GATA3 in mediating Tie2 expression and function in large vessel endothelial cells. |
| GO:0045893 positive regulation of DNA-templated transcription | IDA PMID:19805038 The transcription factors T-bet and GATA-3 control alternati... | ACCEPT | Summary: Direct experimental evidence for GATA3 transcriptional activation at target genes. Reason: Core function of GATA3 as a transcriptional activator. Supporting Evidence: PMID:19805038 The transcription factors T-bet and GATA-3 control alternative pathways of T-cell differentiation through a shared set of target genes. |
| GO:0045944 positive regulation of transcription by RNA polymerase II | IDA PMID:19232384 Abundant expression of Kallikrein 1 gene in human keratinocy... | ACCEPT | Summary: GATA3 activates KLK1 transcription in keratinocytes. Reason: Core molecular function of GATA3 as a transcriptional activator. Supporting Evidence: PMID:19232384 GATA3 was found to bind the site located at -954/-855 and to be a key regulator of abundant KLK1 expression in human keratinocyte. |
| GO:0005515 protein binding | IPI PMID:20484083 c-Myb, Menin, GATA-3, and MLL form a dynamic transcription c... | MODIFY | Summary: GATA3 interacts with c-Myb, Menin, and MLL as part of transcriptional complex. Reason: While the protein interaction is real and functionally important, generic protein binding is uninformative. Should use more specific transcription factor binding term. Proposed replacements: DNA-binding transcription factor binding Supporting Evidence: PMID:20484083 2010 May 18. c-Myb, Menin, GATA-3, and MLL form a dynamic transcription complex that plays a pivotal role in human T helper type 2 cell development. |
| GO:0045786 negative regulation of cell cycle | IMP PMID:20189993 GATA3 inhibits breast cancer metastasis through the reversal... | KEEP AS NON CORE | Summary: GATA3 can inhibit cell cycle progression in breast cancer cells as part of differentiation. Reason: Valid effect of GATA3 in epithelial cells where differentiation is coupled to cell cycle exit. Not a core function. Supporting Evidence: PMID:20189993 2010 Feb 26. GATA3 inhibits breast cancer metastasis through the reversal of epithelial-mesenchymal transition. |
| GO:0045893 positive regulation of DNA-templated transcription | IMP PMID:20368097 GATA3 siRNA inhibits the binding of NFAT1 to interleukin-13 ... | ACCEPT | Summary: GATA3 facilitates NFAT1 binding and activates IL-13 transcription. Reason: Core function. GATA3 promotes transcription of Th2 cytokine genes. Supporting Evidence: PMID:20368097 GATA3 siRNA inhibits the binding of NFAT1 to interleukin-13 promoter in human T cells. |
| GO:0045944 positive regulation of transcription by RNA polymerase II | IDA PMID:20189993 GATA3 inhibits breast cancer metastasis through the reversal... | ACCEPT | Summary: GATA3 activates E-cadherin transcription in breast cancer cells. Reason: Core molecular function as a transcriptional activator. Supporting Evidence: PMID:20189993 GATA3 was found to induce E-cadherin expression through binding GATA-like motifs located in the E-cadherin promoter. |
| GO:0009615 response to virus | IEP PMID:20583921 T-bet, GATA-3, and Foxp3 expression and Th1/Th2 cytokine pro... | KEEP AS NON CORE | Summary: GATA3 expression changes in response to viral infection. Reason: IEP evidence showing GATA3 expression changes. Not a direct function of GATA3. Supporting Evidence: PMID:20583921 T-bet, GATA-3, and Foxp3 expression and Th1/Th2 cytokine production in the clinical outcome of human infection with Leishmania (Viannia) species. |
| GO:0035457 cellular response to interferon-alpha | IEP PMID:20554961 Cutting edge: Type I IFN reverses human Th2 commitment and s... | KEEP AS NON CORE | Summary: GATA3 expression changes in response to IFN-alpha. Reason: IEP evidence showing GATA3 responds to cytokine signaling. Not a direct function. Supporting Evidence: PMID:20554961 Jun 16. Cutting edge: Type I IFN reverses human Th2 commitment and stability by suppressing GATA3. |
| GO:0001709 cell fate determination | ISS GO_REF:0000024 | ACCEPT | Summary: GATA3 determines T cell fate, particularly Th1/Th2 and CD4/CD8 lineage choice. Reason: Core function. GATA3 is a master regulator of T cell fate determination. |
| GO:0001817 regulation of cytokine production | ISS GO_REF:0000024 | ACCEPT | Summary: GATA3 regulates Th2 cytokine production (IL-4, IL-5, IL-13) while repressing Th1 cytokines. Reason: Core function. GATA3 directly regulates transcription of Th2 cytokine genes. |
| GO:0001823 mesonephros development | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 involved in kidney development based on HDR syndrome phenotype. Reason: Valid based on HDR syndrome renal dysplasia, but not a core function. |
| GO:0007165 signal transduction | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 is a downstream effector of cytokine signaling, particularly IL-4/STAT6. Reason: GATA3 is primarily a transcription factor, not a signal transducer. This annotation is somewhat misleading. |
| GO:0008285 negative regulation of cell population proliferation | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 can inhibit proliferation as part of differentiation programs. Reason: Valid effect of GATA3 in differentiating cells but not a core function. |
| GO:0032753 positive regulation of interleukin-4 production | ISS GO_REF:0000024 | ACCEPT | Summary: GATA3 directly activates IL-4 transcription in Th2 cells. Reason: Core function. GATA3 is the master regulator of Th2 cytokines including IL-4. |
| GO:0042421 norepinephrine biosynthetic process | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 is required for sympathetic neuron development which produce norepinephrine. Reason: Indirect effect through sympathetic neuron differentiation. Not a core function. |
| GO:0045893 positive regulation of DNA-templated transcription | ISS GO_REF:0000024 | ACCEPT | Summary: GATA3 activates transcription of target genes. Reason: Core function as a transcriptional activator. |
| GO:0045944 positive regulation of transcription by RNA polymerase II | ISS GO_REF:0000024 | ACCEPT | Summary: GATA3 activates RNA pol II transcription at target genes. Reason: Core function as a transcriptional activator. |
| GO:0048485 sympathetic nervous system development | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 is required for sympathetic neuron development. Reason: Valid function but peripheral to core T cell and epithelial roles. |
| GO:0048646 anatomical structure formation involved in morphogenesis | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 contributes to morphogenesis of multiple organs. Reason: Valid but broad annotation. Not a core function. |
| GO:0045944 positive regulation of transcription by RNA polymerase II | IMP PMID:20855495 NKX3.1 is a direct TAL1 target gene that mediates proliferat... | ACCEPT | Summary: GATA3 activates transcription of cardiovascular genes. Reason: Core function as a transcriptional activator. Supporting Evidence: PMID:20855495 Sep 20. NKX3.1 is a direct TAL1 target gene that mediates proliferation of TAL1-expressing human T cell acute lymphoblastic leukemia. |
| GO:0070888 E-box binding | IDA PMID:20855495 NKX3.1 is a direct TAL1 target gene that mediates proliferat... | REMOVE | Summary: GATA3 does not bind E-box motifs; this annotation misattributes TAL1's E-box binding to GATA3. Reason: GATA3 is a C4 zinc-finger transcription factor that recognizes WGATAR (GATA) motifs via its zinc finger domain; it does not bind E-box (CANNTG) elements. PMID:20855495 describes a composite TAL1-GATA3-LMO-Ldb1 complex in which GATA3 occupies a GATA motif while the bHLH factor TAL1 (not GATA3) binds the adjacent E-box. The IDA annotation therefore misattributes TAL1's E-box binding activity to GATA3 and should be removed. |
| GO:0071837 HMG box domain binding | IPI PMID:18445004 Lymphoid enhancer factor interacts with GATA-3 and controls ... | ACCEPT | Summary: GATA3 interacts with HMG box-containing protein LRH-1/NR5A2. Reason: Valid molecular function showing GATA3 can interact with HMG box domain proteins. Supporting Evidence: PMID:18445004 Epub 2008 Apr 26. Lymphoid enhancer factor interacts with GATA-3 and controls its function in T helper type 2 cells. |
| GO:0043627 response to estrogen | IEP PMID:10037815 Combining SSH and cDNA microarrays for rapid identification ... | KEEP AS NON CORE | Summary: GATA3 expression is induced by estrogen in breast cancer cells. Reason: IEP showing GATA3 responds to estrogen signaling. GATA3 and ERalpha cooperate in luminal breast cancer. Supporting Evidence: PMID:10037815 Combining SSH and cDNA microarrays for rapid identification of differentially expressed genes. |
| GO:0009653 anatomical structure morphogenesis | TAS PMID:10935639 GATA3 haplo-insufficiency causes human HDR syndrome. | KEEP AS NON CORE | Summary: GATA3 involved in morphogenesis of multiple organ systems. Reason: Valid but broad annotation. Not a core function. Supporting Evidence: PMID:10935639 GATA3 haplo-insufficiency causes human HDR syndrome. |
| GO:0006952 defense response | TAS PMID:7592673 Activation of the interleukin-5 promoter by cAMP in murine E... | ACCEPT | Summary: GATA3 regulates immune defense through Th2 cell differentiation. Reason: Core function. GATA3 drives Th2-mediated type 2 immune defense against parasites and allergens. Supporting Evidence: PMID:7592673 Activation of the interleukin-5 promoter by cAMP in murine EL-4 cells requires the GATA-3 and CLE0 elements. |
| GO:0005634 nucleus | IBA GO_REF:0000033 | ACCEPT | Summary: GATA3 is a nuclear transcription factor that must localize to the nucleus to access chromosomal DNA and regulate gene expression programs essential for T cell differentiation and development. Reason: Nuclear localization is absolutely essential for GATA3 function as a transcription factor that binds to DNA regulatory elements to control gene expression in T cell lineage commitment and other developmental processes. Supporting Evidence: file:human/GATA3/GATA3-deep-research-falcon.md As a transcription factor, GATA3βs functional site is the **nucleus**, and multiple 2024 studies operationalize this by measuring **nuclear GATA3** directly |
| GO:0005634 nucleus | IEA GO_REF:0000120 | ACCEPT | Summary: GATA3 is a nuclear transcription factor. Reason: Core localization for transcription factor function. Duplicate annotation with IEA evidence. |
| GO:0005654 nucleoplasm | IEA GO_REF:0000117 | ACCEPT | Summary: GATA3 localizes to the nucleoplasm where it binds DNA. Reason: Valid cellular component annotation. |
| GO:0050852 T cell receptor signaling pathway | IEA GO_REF:0000107 | ACCEPT | Summary: GATA3 is induced by and regulates TCR signaling in T cells. Reason: Core function. GATA3 regulates TCR gene expression and is a downstream effector of TCR signaling. |
| GO:0051216 cartilage development | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: Limited evidence for GATA3 in cartilage development. Reason: Ortholog transfer without strong support in human. HDR syndrome does not include cartilage abnormalities. |
| GO:0060037 pharyngeal system development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 may be involved in pharyngeal system development based on mouse studies. Reason: May be valid based on pharyngeal phenotypes in mice but not a core function. |
| GO:0060065 uterus development | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: Limited evidence for GATA3 in uterus development. Reason: Ortholog transfer without strong support in human. |
| GO:0060070 canonical Wnt signaling pathway | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: GATA3 may interact with Wnt signaling in some contexts. Reason: Not a well-characterized function of GATA3. Likely over-annotation from ortholog transfer. |
| GO:0060676 ureteric bud formation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 contributes to kidney development based on HDR syndrome phenotype. Reason: Valid based on HDR syndrome renal dysplasia but not a core function. |
| GO:0072107 positive regulation of ureteric bud formation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 contributes to kidney development. Reason: Valid based on HDR syndrome renal phenotype but not a core function. |
| GO:0072178 nephric duct morphogenesis | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 contributes to kidney development. Reason: Valid based on HDR syndrome renal phenotype but not a core function. |
| GO:0072179 nephric duct formation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 contributes to kidney development. Reason: Valid based on HDR syndrome renal phenotype but not a core function. |
| GO:0072182 regulation of nephron tubule epithelial cell differentiation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 contributes to kidney epithelial development. Reason: Valid based on HDR syndrome renal phenotype but not a core function. |
| GO:0090102 cochlea development | IEA GO_REF:0000120 | KEEP AS NON CORE | Summary: GATA3 is required for cochlea development based on HDR syndrome deafness. Reason: Valid function based on HDR syndrome deafness phenotype but not a core function. |
| GO:2000607 obsolete negative regulation of cell proliferation involved in mesonephros development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: GATA3 may regulate mesonephros development. Reason: Possible kidney-related function but overly specific annotation. |
| GO:2000703 obsolete negative regulation of fibroblast growth factor receptor signaling pathway involved in ureteric bud formation | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: Overly specific annotation from ortholog transfer. Reason: Overly specific term for GATA3 kidney development role. |
| GO:2000734 obsolete negative regulation of glial cell-derived neurotrophic factor receptor signaling pathway involved in ureteric bud formation | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: Overly specific annotation from ortholog transfer. Reason: Overly specific term for GATA3 kidney development role. |
| GO:0005654 nucleoplasm | IDA GO_REF:0000052 | ACCEPT | Summary: GATA3 localizes to the nucleoplasm. Reason: Valid cellular component annotation. |
| GO:0060070 canonical Wnt signaling pathway | ISS GO_REF:0000024 | MARK AS OVER ANNOTATED | Summary: GATA3 may interact with Wnt signaling. Reason: Duplicate of IEA annotation. Not a well-characterized function. |
| GO:1902895 positive regulation of miRNA transcription | IDA PMID:26451614 MiR-573 inhibits prostate cancer metastasis by regulating ep... | ACCEPT | Summary: GATA3 directly activates miR-573 transcription. Reason: Valid molecular function supported by experimental evidence. Supporting Evidence: PMID:26451614 ChIP analysis further corroborated that GATA3 binds to the promoter of miR-573 |
| GO:0000785 chromatin | ISA GO_REF:0000113 | ACCEPT | Summary: GATA3 binds chromatin as a pioneer transcription factor. Reason: Core function. GATA3 binds chromatin and can access closed chromatin. Supporting Evidence: file:human/GATA3/GATA3-deep-research-falcon.md GATA factors are explicitly discussed as having **pioneer activity** (binding inaccessible chromatin and promoting chromatin opening), which is consistent with mechanistic reprogramming and enhancer-licensing models. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-6783177 | ACCEPT | Summary: GATA3 localizes to the nucleoplasm. Reason: Valid cellular component annotation from Reactome. |
| GO:0005634 nucleus | IDA PMID:22529382 Altered subcellular localization of transcription factor TEA... | REMOVE | Summary: Nuclear localization annotation miscited to a TEAD4 paper. Reason: PMID:22529382 is a study of TEAD4 subcellular localization in mammalian cell lineage commitment and does not provide evidence for GATA3 nuclear localization; the supporting text quotes the TEAD4 paper title. This annotation is therefore miscited. GATA3 nuclear localization is well established and is supported by other GO:0005634 annotations retained in this review, so removing this miscited annotation does not lose the localization. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-6793975 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-8956568 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-8956586 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9009065 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9009371 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9009526 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9009533 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9009536 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9009541 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9018494 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9018499 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9023860 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9023861 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-9038163 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:0005654 nucleoplasm | TAS Reactome:R-HSA-996755 | ACCEPT | Summary: GATA3 nucleoplasm localization from Reactome. Reason: Valid annotation. Duplicate of other nucleoplasm annotations. |
| GO:2000734 obsolete negative regulation of glial cell-derived neurotrophic factor receptor signaling pathway involved in ureteric bud formation | ISS GO_REF:0000024 | MARK AS OVER ANNOTATED | Summary: Overly specific annotation for kidney development. Reason: Duplicate of IEA annotation. Overly specific term. |
| GO:2000703 obsolete negative regulation of fibroblast growth factor receptor signaling pathway involved in ureteric bud formation | ISS GO_REF:0000024 | MARK AS OVER ANNOTATED | Summary: Overly specific annotation for kidney development. Reason: Duplicate of IEA annotation. Overly specific term. |
| GO:0060037 pharyngeal system development | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 may be involved in pharyngeal development. Reason: Duplicate of IEA annotation. Secondary function. |
| GO:0072107 positive regulation of ureteric bud formation | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 contributes to kidney development. Reason: Duplicate of IEA annotation. Valid based on HDR syndrome. |
| GO:0072178 nephric duct morphogenesis | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 contributes to kidney development. Reason: Duplicate of IEA annotation. Valid based on HDR syndrome. |
| GO:0072182 regulation of nephron tubule epithelial cell differentiation | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 regulates kidney epithelial differentiation. Reason: Duplicate of IEA annotation. Valid based on HDR syndrome. |
| GO:0005634 nucleus | IDA PMID:19723756 A missense GATA3 mutation, Thr272Ile, causes the hypoparathy... | ACCEPT | Summary: Direct experimental evidence for nuclear localization. Reason: Essential localization for GATA3 function. Supporting Evidence: PMID:19723756 Epub 2009 Sep 1. A missense GATA3 mutation, Thr272Ile, causes the hypoparathyroidism, deafness, and renal dysplasia syndrome. |
| GO:0060065 uterus development | ISS GO_REF:0000024 | MARK AS OVER ANNOTATED | Summary: Limited evidence for GATA3 in uterus development. Reason: Duplicate of IEA annotation. Not well-supported in humans. |
| GO:2000611 positive regulation of thyroid hormone generation | IMP PMID:19248180 HDR syndrome: a novel "de novo" mutation in GATA3 gene. | KEEP AS NON CORE | Summary: GATA3 regulates genes involved in thyroid hormone production. Reason: Valid based on HDR syndrome hypoparathyroidism phenotype, but not a core function. Supporting Evidence: PMID:19248180 HDR syndrome: a novel "de novo" mutation in GATA3 gene. |
| GO:2000611 positive regulation of thyroid hormone generation | IMP PMID:19723756 A missense GATA3 mutation, Thr272Ile, causes the hypoparathy... | KEEP AS NON CORE | Summary: GATA3 regulates thyroid/parathyroid hormone production. Reason: Duplicate annotation. Valid based on HDR syndrome but not a core function. Supporting Evidence: PMID:19723756 Epub 2009 Sep 1. A missense GATA3 mutation, Thr272Ile, causes the hypoparathyroidism, deafness, and renal dysplasia syndrome. |
| GO:0005634 nucleus | IDA PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | ACCEPT | Summary: Direct experimental evidence for nuclear localization in endothelial cells. Reason: Essential localization for GATA3 function. Supporting Evidence: PMID:19674970 2009 Aug 12. Critical role for GATA3 in mediating Tie2 expression and function in large vessel endothelial cells. |
| GO:0051897 positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction | IMP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | KEEP AS NON CORE | Summary: GATA3 promotes PI3K/AKT signaling through Tie2 in endothelial cells. Reason: Indirect effect through Tie2 regulation. Not a core function. Supporting Evidence: PMID:19674970 2009 Aug 12. Critical role for GATA3 in mediating Tie2 expression and function in large vessel endothelial cells. |
| GO:0071356 cellular response to tumor necrosis factor | IEP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | KEEP AS NON CORE | Summary: GATA3 expression is downregulated by TNF-alpha. Reason: IEP showing GATA3 responds to TNF signaling. Not a direct function. Supporting Evidence: PMID:19674970 2009 Aug 12. Critical role for GATA3 in mediating Tie2 expression and function in large vessel endothelial cells. |
| GO:2000352 negative regulation of endothelial cell apoptotic process | IMP PMID:19674970 Critical role for GATA3 in mediating Tie2 expression and fun... | KEEP AS NON CORE | Summary: GATA3 protects endothelial cells from apoptosis through Tie2. Reason: Valid in endothelial context but not a core function. Supporting Evidence: PMID:19674970 2009 Aug 12. Critical role for GATA3 in mediating Tie2 expression and function in large vessel endothelial cells. |
| GO:2000607 obsolete negative regulation of cell proliferation involved in mesonephros development | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 regulates kidney development. Reason: Duplicate of IEA annotation. Overly specific term. |
| GO:2000679 positive regulation of transcription regulatory region DNA binding | IMP PMID:20368097 GATA3 siRNA inhibits the binding of NFAT1 to interleukin-13 ... | ACCEPT | Summary: GATA3 facilitates NFAT1 binding to DNA. Reason: Valid molecular function showing GATA3 enhances other transcription factor DNA binding. Supporting Evidence: PMID:20368097 GATA3 siRNA inhibits the binding of NFAT1 to interleukin-13 promoter in human T cells. |
| GO:2000683 regulation of cellular response to X-ray | IMP PMID:19735555 GATA3 is a master regulator of the transcriptional response ... | KEEP AS NON CORE | Summary: GATA3 regulates cellular response to ionizing radiation. Reason: Valid based on experimental evidence but not a core function. Supporting Evidence: PMID:19735555 The present study investigated the role of GATA3 protein in the control of the cellular and molecular response of human keratinocytes exposed to a 1 cGy dose of X-rays. |
| GO:0072676 lymphocyte migration | IDA PMID:19805038 The transcription factors T-bet and GATA-3 control alternati... | ACCEPT | Summary: GATA3 regulates expression of genes involved in lymphocyte migration. Reason: Valid function related to T cell biology and immune response. Supporting Evidence: PMID:19805038 The transcription factors T-bet and GATA-3 control alternative pathways of T-cell differentiation through a shared set of target genes. |
| GO:0005634 nucleus | IDA PMID:20189993 GATA3 inhibits breast cancer metastasis through the reversal... | ACCEPT | Summary: Direct experimental evidence for nuclear localization in breast cancer cells. Reason: Essential localization for GATA3 function. Supporting Evidence: PMID:20189993 2010 Feb 26. GATA3 inhibits breast cancer metastasis through the reversal of epithelial-mesenchymal transition. |
| GO:0060231 mesenchymal to epithelial transition | IDA PMID:20189993 GATA3 inhibits breast cancer metastasis through the reversal... | KEEP AS NON CORE | Summary: GATA3 promotes MET in breast cancer cells. Reason: Valid function in epithelial cells where GATA3 promotes epithelial phenotype. Supporting Evidence: PMID:20189993 Ectopic expression of GATA3 in MDA-MB-231 cells led to a cuboidal-like epithelial phenotype and reduced cell invasive activity. |
| GO:2000146 negative regulation of cell motility | IMP PMID:20189993 GATA3 inhibits breast cancer metastasis through the reversal... | KEEP AS NON CORE | Summary: GATA3 reduces cell motility in breast cancer cells. Reason: Valid effect of GATA3 promoting epithelial phenotype over mesenchymal. Not a core function. Supporting Evidence: PMID:20189993 2010 Feb 26. GATA3 inhibits breast cancer metastasis through the reversal of epithelial-mesenchymal transition. |
| GO:0071353 cellular response to interleukin-4 | IEP PMID:20554961 Cutting edge: Type I IFN reverses human Th2 commitment and s... | ACCEPT | Summary: GATA3 expression is induced by IL-4. Reason: Core function. GATA3 is a key downstream effector of IL-4/STAT6 signaling in Th2 differentiation. Supporting Evidence: PMID:20554961 Jun 16. Cutting edge: Type I IFN reverses human Th2 commitment and stability by suppressing GATA3. |
| GO:0060676 ureteric bud formation | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 contributes to kidney development. Reason: Duplicate of IEA annotation. Valid based on HDR syndrome. |
| GO:0072179 nephric duct formation | ISS GO_REF:0000024 | KEEP AS NON CORE | Summary: GATA3 contributes to kidney development. Reason: Duplicate of IEA annotation. Valid based on HDR syndrome. |
| GO:0000785 chromatin | IDA PMID:20855495 NKX3.1 is a direct TAL1 target gene that mediates proliferat... | ACCEPT | Summary: GATA3 functions as a pioneer transcription factor that directly binds to chromatin, including nucleosomal DNA, and recruits chromatin remodeling complexes to establish active enhancers and regulate chromatin accessibility. Reason: Chromatin binding is central to GATA3's mechanism as a pioneer transcription factor that can access and bind to compact chromatin to initiate gene regulatory programs, particularly in T cell differentiation where it opens closed chromatin regions. Supporting Evidence: PMID:20855495 Sep 20. NKX3.1 is a direct TAL1 target gene that mediates proliferation of TAL1-expressing human T cell acute lymphoblastic leukemia. |
| GO:0005634 nucleus | IDA GO_REF:0000054 | ACCEPT | Summary: GATA3 localizes to the nucleus as a transcription factor. Reason: Essential localization for GATA3 function. Direct experimental evidence supports nuclear localization. |
| GO:0003682 chromatin binding | NAS | NEW | Summary: Essential molecular function of GATA3 as a pioneer transcription factor that directly binds chromatin at GATA motifs Reason: GATA3 is a sequence-specific transcription factor that directly binds chromatin through its C-terminal zinc finger domain, recognizing WGATAR consensus motifs in target gene regulatory regions. As a pioneer transcription factor, GATA3 can bind DNA motifs even when wrapped in nucleosomes without disrupting core histones, enabling it to access and modify chromatin structure. This chromatin binding activity is fundamental to GATA3's mechanism of transcriptional regulation and its ability to establish lineage-specific gene expression programs. Supporting Evidence: file:human/GATA3/GATA3-deep-research.md GATA3 has the capacity to bind DNA motifs that are wrapped in nucleosomes and recruit chromatin-remodeling complexes to establish new enhancers. Structural studies show that GATA3's zinc fingers can bind their 5β²-GAT-3β² target sites even when those sites lie on the nucleosome surface without disrupting core histones. |
| GO:0045944 positive regulation of transcription by RNA polymerase II | IDA PMID:2017177 Murine and human T-lymphocyte GATA-3 factors mediate transcr... | ACCEPT | Summary: GATA3 is a sequence-specific transcription factor that positively regulates RNA polymerase II transcription of target genes (e.g. Th2 cytokine loci, luminal epithelial genes via AR-GATA3 interaction, multiple lineage-specific programs). This is a core function captured throughout this review, supported by the falcon deep research and by other ACCEPTed annotations including GO:0006338 (chromatin remodeling), GO:0045064 (T-helper 2 cell differentiation), and the core_functions describing GATA3 as a master Th2 regulator and pioneer TF. Per PR #834 review feedback, resolved PENDING β ACCEPT. Reason: Core function β GATA3 positively regulates Pol II transcription of multiple lineage-specific gene programs. Amply supported by the falcon deep research and the chromatin-remodeling / pioneer-TF annotations already ACCEPTed in this review. Supporting Evidence: file:human/GATA3/GATA3-deep-research-falcon.md GATA3 binds to specific DNA sequences in regulatory regions of its target genes, recruiting transcriptional machinery and chromatin remodeling complexes to activate transcription |
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Download this section (compressed HTML)Q: How does GATA3 pioneer activity differ mechanistically from other pioneer transcription factors like FoxA and Oct4?
Suggested experts: Chromatin biologists, Transcription factor specialists, Immunologists
Q: What determines the tissue-specific cofactor interactions of GATA3 in T cells versus mammary epithelium versus kidney development?
Suggested experts: Developmental biologists, Systems biologists, Protein interaction specialists
Q: How do disease-associated GATA3 mutations affect its pioneer function and chromatin remodeling activity?
Suggested experts: Clinical geneticists, Immunodeficiency researchers, Functional genomics specialists
Q: Can GATA3's pioneer activity be therapeutically targeted to modulate Th2 responses in allergic diseases?
Suggested experts: Immunotherapeutics researchers, Allergy specialists, Drug discovery scientists
Experiment: Perform ATAC-seq or FAIRE-seq in GATA3 knockout and rescue T cells to identify regions where GATA3 pioneer activity is required for chromatin opening and enhancer establishment.
Hypothesis: GATA3 will be required for chromatin accessibility at Th2-specific regulatory regions that are closed in naive T cells
Type: Chromatin accessibility profiling
Experiment: Use single-molecule imaging and biophysical approaches to measure GATA3 binding kinetics to nucleosomal vs naked DNA and quantify chromatin remodeling complex recruitment.
Hypothesis: GATA3 will show enhanced binding affinity for nucleosomal DNA and efficiently recruit SWI/SNF and other remodeling complexes
Type: Pioneer factor mechanism analysis
Experiment: Systematically map GATA3 interactions with coactivators, corepressors, and chromatin modifiers using proximity labeling (BioID) and mass spectrometry in different T cell contexts.
Hypothesis: GATA3 will interact with distinct cofactor sets in different cell types and developmental stages
Type: Protein-protein interaction mapping
Experiment: Create domain-specific GATA3 mutants (zinc finger deletions, transactivation domain mutations) and assess their ability to rescue Th2 differentiation and cytokine production.
Hypothesis: Both zinc finger domains and the transactivation domain will be required for full GATA3 function in Th2 development
Type: Functional domain analysis
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Download this section (compressed HTML)π View Pathway Visualization Interactive pathway diagram with detailed annotations