"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."

"GATA-3 regulates FUT7 transcription by phosphorylation-dependently recruiting histone deacetylase (HDAC)-3/HDAC-5 and by competing with CBP/P300 in binding to the N terminus of T-bet."

"T-bet interferes with the binding of GATA-3 to its target DNA, and also that GATA-3 significantly interferes with the binding of T-bet to the FUT7 promoter."

"The in vitro transcribed and translated Gata3 cDNA product bound specifically to the enhancer elements of at least three TCR genes containing the above consensus sequence."

"GATA3 was found to bind the site located at -954/-855 and to be a key regulator of abundant KLK1 expression in human keratinocyte."

"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."

"In co-immunoprecipitation and co-transfection assays, GATA3 and the Ets transcription factor, ELF1, physically interacted and synergized to transactivate the Tie2 promoter."

"exposure of human umbilical vein endothelial cells to tumor necrosis factor-α resulted in marked down-regulation of GATA3 expression and reduction in Tie2 expression."

"EMSAs showed it to reduce DNA binding affinity, but not stability, and yeast two-hybrid assays demonstrated that the mutant GATA3 resulted in a loss of interaction with ZnF1 and ZnF6 of the cofactor FOG2."

"The mutant GATA3 significantly reduced luciferase reporter activity by more than 65% (P < 0.001), and three-dimensional modeling"

"PCR amplification revealed GATA3 ChIP enrichment in 3 genes of the cluster after 1 cGy irradiation (GRCA, NRCAM, PPIL2)"

"ShGATA3 cells were found to be more sensitive than shSCR cells at 1 cGy, whereas no significant difference was observed after a dose of 2 Gy"

"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."

"Although both factors are coexpressed in human Th1 cells, T-bet activity would appear to be dominant and these cells exhibit an expression pattern that can be recapitulated in murine T-cells by expression of T-bet in the absence of IFNγ."

"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."

"GATA3 was found to induce E-cadherin expression through binding GATA-like motifs located in the E-cadherin promoter."

"Ectopic expression of GATA3 in MDA-MB-231 cells led to a cuboidal-like epithelial phenotype and reduced cell invasive activity. These cells also increased E-cadherin expression but decreased levels of vimentin, N-cadherin, and MMP-9."

"Studies of human breast cancer showed that GATA3 expression correlated with elevated E-cadherin levels, ER expression, and long disease-free survival."

"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."

"In primary T cells, 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."

"Immunoprecipitation revealed that the c-Myb/GATA-3 complex contained Menin and mixed lineage leukemia (MLL)."

"silencing c-Myb significantly decreased the methylation of histone H3K4 and the acetylation of histone H3K9 at the GATA-3 locus in developing Th2 and CD4(+) effector/memory cells."

"The encoded hGATA3 protein, made in an in vitro transcription-translation assay, binds the WGATAR motif present in the human T-cell receptor (TCR) delta gene enhancer and, by transfection in HeLa cells, we show that hGATA3 can transactivate this TCR delta gene enhancer."

"ChIP analysis further corroborated that GATA3 binds to the promoter of miR-573"

"overexpressed GATA3 in VCaP and 22RV1 cells could down-regulate FGFR1 expression, whereas simultaneous miR-573 antagomir transfection attenuated this effect, suggesting that miR-573 is an important mediator of GATA3 that controls the expression of pro-metastatic genes"

"We show that the human GATA3 gene contains six exons distributed over 17 kb of DNA. The two human GATA3 zinc fingers are encoded by two separate exons highly conserved with those of GATA1, but no other structural homologies between these two genes can be found"

"ZF1 and ZF2 show 100% identity between human and mouse. DNA binding domain (250-370): 92.56% identity with mouse. Extremely high conservation indicates critical functional importance."

"126 total interactions identified. Validated Key Partners: TBX21 (T-bet): Mutual antagonism in Th1/Th2 fate decision, EP300/CREBBP: Histone acetyltransferases for transcriptional activation, STAT6: Cooperative Th2 differentiation, FOXA1: Pioneer factor cooperation in epithelial cells."

"Major Target Categories: Th2 Cytokines: IL4, IL5, IL13 (all positively regulated), T Cell Development: CD4 (+), CD8A (-), TCF7 (+), ZBTB7B (+), Th1 Antagonism: IFNG (-), TBX21 (-), IL12RB2 (-), Epithelial Function: FOXA1 (+), ESR1 (±), MUC1 (+), CLDN4 (+)."

"Recent literature consistently describes GATA3 as a **dual zinc-finger DNA-binding transcription factor** that recognizes canonical GATA motifs (e.g., **WGATAR** / (A/T)GATA(A/G)) and functions in immune and epithelial differentiation programs "

"**IL-4/STAT6** is described as a major driver of Th2 polarization, with additional inputs including **TCR**, **IL-2**, **IL-7**, and **NOTCH** signaling. "

"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. "

"a 2024 immunology review summarizes evidence that GATA3 contributes to **chromatin loop formation** at type 2 loci and that its deletion can reduce loops in Th2 cells, integrating enhancer activity with 3D architecture. "

"Kumagai et al. (PNAS, **published Jun 26, 2024**) describe an asthma-associated SNP-enriched region **~926–970 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**. "

"Mechanistically, **4C-seq** showed long-range **chromatin looping** between **mG900 and the Gata3 transcription start site** in Th2 cells, supporting a 3D-genome basis for stage- and context-specific Gata3 induction. "

"**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. "

"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). "

"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 “proofreading” model for transcription factor binding specificity during reprogramming. "

"As a transcription factor, GATA3’s functional site is the **nucleus**, and multiple 2024 studies operationalize this by measuring **nuclear GATA3** directly "

"AR activation (DHT) increased **nuclear AR–GATA3 interactions** and produced AR-dependent enrichment of GATA3 chromatin binding at a subset of loci. "

"GATA3 is a core determinant of luminal epithelial identity in breast biology and is frequently used as a marker of luminal differentiation state. "

"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 "

"**AKT activation** and high **14-3-3τ** levels were reported to lead to **GATA3 phosphorylation**, disrupting transcriptional control and promoting a basal-like phenotype. "

"GATA3 also acts as a 'pioneer' transcription factor, meaning it can engage chromatin in its native (nucleosomal) state and initiate chromatin remodeling. GATA3 has the capacity to bind DNA motifs that are wrapped in nucleosomes and recruit chromatin-remodeling complexes to establish new enhancers."

"Upon antigen stimulation of naive CD4+ T cells, cytokines like interleukin-4 (IL-4) (via the STAT6 transcription factor) and IL-2 (via STAT5) induce GATA3 expression. Once induced, GATA3 can maintain its own expression in a positive feedback manner that is independent of continued cytokine stimulation."

"GATA3-AS1 is required to establish a chromatin environment permissive for GATA3 transcription. It recruits histone modification enzymes (such as the MLL complex for H3K4 methylation) and forms an R-loop structure at the GATA3 locus."