Relevant bibliographies by topics / Gene Gata3

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Academic literature on the topic 'Gene Gata3'

Author: Grafiati
Published: 11 September 2021
Last updated: 14 February 2022

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Journal articles on the topic "Gene Gata3"

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Yu, Min, Ulrica Wang, and Zhengxin Wang. "E2F and GATA switches turn off WD repeat domain 77 expression in differentiating cells." Biochemical Journal 473, no. 15 (July 28, 2016): 2331–43. http://dx.doi.org/10.1042/bcj20160130.

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WDR77 (WD repeat domain 77) is expressed during earlier lung development when cells are rapidly proliferating, but is absent from adult lung. It is re-activated during lung tumorigenesis and is essential for lung cancer cell proliferation. Signalling pathways/molecules that control WDR77 gene expression are unknown. Promoter mapping, gel shift assay and ChIP revealed that the WDR77 promoter contains bona fide response elements for E2F and GATA transcriptional factors as demonstrated in prostate cancer, lung cancer and erythroid cells, as well as in mouse lung tissues. The WDR77 promoter is transactivated by E2F1, E2F3, GATA1 and GATA6, but suppressed by E2F6, GATA1 and GATA3 in prostate cancer PC3 cells. WDR77 expression is associated with E2F1, E2F3, GATA2 and GATA6 occupancy on the WDR77 gene, whereas, in contrast, E2F6, GATA1 and GATA3 occupancy is associated with the loss of WDR77 expression during erythroid maturation and lung development. More importantly, the loss of WDR77 expression that results from E2F and GATA switches is required for cellular differentiation of erythroid and lung epithelial cells. In contrast, lung cancer cells avoid post-mitotic differentiation by sustaining WDR77 expression. Altogether, the present study provides a novel molecular mechanism by which WDR77 is regulated during erythroid and lung development and lung tumorigenesis.
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Engels, Manon, Paul N. Span, Rod T. Mitchell, Joop J. T. M. Heuvel, Monica A. Marijnissen-van Zanten, Antonius E. van Herwaarden, Christina A. Hulsbergen-van de Kaa, et al. "GATA transcription factors in testicular adrenal rest tumours." Endocrine Connections 6, no. 8 (November 2017): 866–75. http://dx.doi.org/10.1530/ec-17-0215.

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Testicular adrenal rest tumours (TARTs) are benign adrenal-like testicular tumours that frequently occur in male patients with congenital adrenal hyperplasia. Recently, GATA transcription factors have been linked to the development of TARTs in mice. The aim of our study was to determine GATA expression in human TARTs and other steroidogenic tissues. We determined GATA expression in TARTs (n = 16), Leydig cell tumours (LCTs; n = 7), adrenal (foetal (n = 6) + adult (n = 10)) and testis (foetal (n = 13) + adult (n = 8)). We found testis-like GATA4, and adrenal-like GATA3 and GATA6 gene expressions by qPCR in human TARTs, indicating mixed testicular and adrenal characteristics of TARTs. Currently, no marker is available to discriminate TARTs from LCTs, leading to misdiagnosis and incorrect treatment. GATA3 and GATA6 mRNAs exhibited excellent discriminative power (area under the curve of 0.908 and 0.816, respectively), while immunohistochemistry did not. GATA genes contain several CREB-binding sites and incubation with 0.1 mM dibutyryl cAMP for 4 h stimulated GATA3, GATA4 and GATA6 expressions in a human foetal testis cell line (hs181.tes). Incubation of adrenocortical cells (H295RA) with ACTH, however, did not induce GATA expression in vitro. Although ACTH did not dysregulate GATA expression in the only human ACTH-sensitive in vitro model available, our results do suggest that aberrant expression of GATA transcription factors in human TARTs might be involved in TART formation.
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Bouchard, Marie France, Hiroaki Taniguchi, and Robert S. Viger. "Protein Kinase A-Dependent Synergism between GATA Factors and the Nuclear Receptor, Liver Receptor Homolog-1, Regulates Human Aromatase (CYP19) PII Promoter Activity in Breast Cancer Cells." Endocrinology 146, no. 11 (November 1, 2005): 4905–16. http://dx.doi.org/10.1210/en.2005-0187.

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Cancers, including that of the breast, are the result of multiple contributing factors including aberrant gene expression. Indeed, the CYP19 gene encoding P450 aromatase, the key enzyme for estrogen biosynthesis, is up-regulated in breast tumors predominantly via the cAMP-responsive gonad-type PII promoter, ultimately leading to increased intratumoral estrogen production and tumor growth. Thus, identifying the molecular factors involved in aromatase PII promoter regulation is essential for our understanding and treatment of the disease. Because we have previously shown activity of the murine aromatase PII promoter to be markedly up-regulated by GATA factors with respect to the gonads, we hypothesized that GATA factors are also key determinants of human PII promoter-driven aromatase transcription in breast tumors. We now show that GATA3 and GATA4 are indeed expressed in several breast cancer cells lines. Consistent with the cAMP dependence of the PII promoter, activation elicited by GATA3 or GATA4 alone and the striking synergism between GATA3 or GATA4 and the nuclear receptor liver receptor homolog (LRH)-1 was intimately linked to forskolin treatment or overexpression of protein kinase A (PKA) catalytic subunit. PKA-mediated phosphorylation increases the interaction between GATA3 and LRH-1 and the requirement for PKA in aromatase PII promoter stimulation involves at least three specific amino acid residues: GATA3 Ser308, GATA4 Ser261, and LRH-1 Ser469. Finally, we show that the human LRH-1 promoter is itself a target for GATA factors. Thus, taken together, our results suggest that GATA factors likely contribute to aberrant aromatase expression in breast tumors through two distinct, yet complementary mechanisms.
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Fang, Difeng, Kairong Cui, Gangqing Hu, Rama Krishna Gurram, Chao Zhong, Andrew J. Oler, Ryoji Yagi, et al. "Bcl11b, a novel GATA3-interacting protein, suppresses Th1 while limiting Th2 cell differentiation." Journal of Experimental Medicine 215, no. 5 (March 7, 2018): 1449–62. http://dx.doi.org/10.1084/jem.20171127.

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GATA-binding protein 3 (GATA3) acts as the master transcription factor for type 2 T helper (Th2) cell differentiation and function. However, it is still elusive how GATA3 function is precisely regulated in Th2 cells. Here, we show that the transcription factor B cell lymphoma 11b (Bcl11b), a previously unknown component of GATA3 transcriptional complex, is involved in GATA3-mediated gene regulation. Bcl11b binds to GATA3 through protein–protein interaction, and they colocalize at many important cis-regulatory elements in Th2 cells. The expression of type 2 cytokines, including IL-4, IL-5, and IL-13, is up-regulated in Bcl11b-deficient Th2 cells both in vitro and in vivo; such up-regulation is completely GATA3 dependent. Genome-wide analyses of Bcl11b- and GATA3-regulated genes (from RNA sequencing), cobinding patterns (from chromatin immunoprecipitation sequencing), and Bcl11b-modulated epigenetic modification and gene accessibility suggest that GATA3/Bcl11b complex is involved in limiting Th2 gene expression, as well as in inhibiting non-Th2 gene expression. Thus, Bcl11b controls both GATA3-mediated gene activation and repression in Th2 cells.
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Onodera, Koichi, Tohru Fujiwara, Yasushi Onishi, Ari Itoh-Nakadai, Yoko Okitsu, Noriko Fukuhara, Kenichi Ishizawa, Ritsuko Shimizu, Masayuki Yamamoto, and Hideo Harigae. "GATA-2 Regulates Dendritic Cell Differentiation." Blood 126, no. 23 (December 3, 2015): 2382. http://dx.doi.org/10.1182/blood.v126.23.2382.2382.

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Abstract (Background) Dendritic cells (DCs) are critical regulators of the immune response, but their differentiation mechanism remains unclear. Heterozygous germline GATA-2 mutations in humans cause MonoMAC syndrome, characterized by monocytopenia and predisposition to myelodysplasia/acute myeloid leukemia. In this syndrome, DC count decreases profoundly, with an increased susceptibility to viral infections, impaired phagocytosis, and decreased cytokine production. In the present study, we analyzed the role of GATA-2 in DC differentiation and the underlying molecular mechanisms. (Method) Gata2 haploinsufficient mice (Gata2+/−: Tsai et al. Nature 1994) and tamoxifen-inducible Gata2-knockout mice (Gata2flox/flox/ER-Cre: Charles et al. Molecular Endocrinology 2006) were used. To generate conditional Gata2 knockouts in vivo, Gata2flox/flox/ER-Cre mice were intraperitoneally injected with 1-μg tamoxifen on days 1-3 and 8-10 and evaluated on days 20-22. Isolation of splenic DCs and bone marrow (BM) precursors, including LSK (Lin- Sca1+ Kit+ cell), CMP (common myeloid-restricted progenitor), GMP (granulocyte-macrophage progenitor), CLP (common lymphoid-restricted progenitor), and CDP (common dendritic cell precursor), were separated with both MACS (Miltenyi Biotech) and BD FACSAria II (BD Biosciences). For the in vitro analysis of Gata2-knockout, BM cells were cultured with CD45.1+ BM feeder cells from SJL mice (The Jackson Laboratory) with FLT3L (200 ng/mL) and 4-hydroxytamoxifen (Sigma). For transcription profiling, SurePrint G3 mouse GE microarray (Agilent) was used, and the data was subsequently analyzed with ImmGen database (http://www.immgen.org). Promoter assay was conducted with Dual Luciferase Reporter Assay system (Promega). Quantitative chromatin immunoprecipitation (ChIP) analysis was performed using CMP fraction and erythroid-myeloid-lymphoid (EML) hematopoietic precursor cell line (ATCC) with antibodies to GATA-2 (sc-9008, Santa Cruz Biotechnology). (Results) Quantitative RT-PCR analysis showed abundant Gata2 expression in LSK and CMP fractions, with detectable expression in GMP, CLP, and CDP fractions and in vitro differentiated DCs. Although the DC count did not change in Gata2 haploinsufficient mice, it significantly and profoundly decreased in Gata2 conditional knockout mice. To examine the role of GATA-2 during DC differentiation, we knocked out Gata2 during in vitro DC differentiation, starting from LSK, CMP, GMP, CLP, and CDP fractions obtained from Gata2flox/flox/ER-Cre mice. Gata2 knockout significantly decreased CD11c+ DC counts from LSK, CMP, and CDP fractions, while those from CLP and GMP were unaffected, implying the importance of GATA-2 during DC differentiation in the pathway from LSK to CDP via CMP, not via CLP nor GMP. To elucidate the underlying molecular mechanisms, we performed expression profiling with control and Gata2 -knockout DC progenitors from CMP of Gata2flox/flox/ER-Cre mice. Gata2 knockout caused >5-fold upregulation and downregulation of 67 and 63 genes, respectively. Although genes critical for the DC differentiation, e.g., Spi1, Ikzf1, and Gfi1, were not detected among the GATA-2-regulated gene ensemble, we found significant enrichment of myeloid-related and T lymphocyte-related genes among the downregulated and upregulated gene ensembles, respectively. We focused on Gata3 upregulation (7.33-fold) as a potential key mechanism contributing to Gata2 knockout-related impaired DC differentiation. Quantitative ChIP analysis with both CMP fraction and EML cell line demonstrated obvious GATA-2 chromatin occupancy at the consensus GATA-binding motif within Gata3+190 kb, which was conserved with human. Furthermore, addition of Gata3 +190 kb region to the Gata3 promoter (~0.5 kb) significantly decreased luciferase activity, which was significantly recovered by the deletion of GATA sequence within Gata3 +190 kb, in EML cells. (Conclusion) GATA-2 seems to play an important role for cell fate specification toward myeloid versus T lymphocytes, and thus contributing to the DC differentiation. Our data offer a better understanding of the pathophysiology of MonoMAC syndrome. Disclosures Fujiwara: Chugai Pharmaceuticals. Co., Ltd.: Research Funding. Fukuhara:Gilead Sciences: Research Funding. Ishizawa:GSK: Research Funding; Takeda: Research Funding; Celgin: Speakers Bureau; Kyowa Kirin: Research Funding; Celgin: Research Funding; Janssen: Research Funding; Takeda: Speakers Bureau; Kyowa Kirin: Speakers Bureau; Pfizer: Speakers Bureau.
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Bottardi, Stefania, Lionel Mavoungou, Vincent Bourgoin, Nazar Mashtalir, El Bachir Affar, and Eric Milot. "Direct Protein Interactions Are Responsible for Ikaros-GATA and Ikaros-Cdk9 Cooperativeness in Hematopoietic Cells." Molecular and Cellular Biology 33, no. 16 (June 3, 2013): 3064–76. http://dx.doi.org/10.1128/mcb.00296-13.

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Ikaros (Ik) is a critical regulator of hematopoietic gene expression. Here, we established that the Ik interactions with GATA transcription factors and cyclin-dependent kinase 9 (Cdk9), a component of the positive transcription elongation factor b (P-TEFb), are required for transcriptional activation of Ik target genes. A detailed dissection of Ik-GATA and Ik-Cdk9 protein interactions indicated that the C-terminal zinc finger domain of Ik interacts directly with the C-terminal zinc fingers of GATA1, GATA2, and GATA3, whereas the N-terminal zinc finger domain of Ik is required for interaction with the kinase and T-loop domains of Cdk9. The relevance of these interactions was demonstratedin vivoin COS-7 and primary hematopoietic cells, in which Ik facilitated Cdk9 and GATA protein recruitment to gene promoters and transcriptional activation. Moreover, the oncogenic isoform Ik6 did not efficiently interact with Cdk9 or GATA proteinsin vivoand perturbed Cdk9/P-TEFb recruitment to Ik target genes, thereby affecting transcription elongation. Finally, characterization of a novel nuclear Ik isoform revealed that Ik exon 6 is dispensable for interactions with Mi2 and GATA proteins but is essential for the Cdk9 interaction. Thus, Ik is central to the Ik-GATA-Cdk9 regulatory network, which is broadly utilized for gene regulation in hematopoietic cells.
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Hosoya, Tomonori, Takashi Kuroha, Takashi Moriguchi, Dustin Cummings, Ivan Maillard, Kim-Chew Lim, and James Douglas Engel. "GATA-3 is required for early T lineage progenitor development." Journal of Experimental Medicine 206, no. 13 (November 23, 2009): 2987–3000. http://dx.doi.org/10.1084/jem.20090934.

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Most T lymphocytes appear to arise from very rare early T lineage progenitors (ETPs) in the thymus, but the transcriptional programs that specify ETP generation are not completely known. The transcription factor GATA-3 is required for the development of T lymphocytes at multiple late differentiation steps as well as for the development of thymic natural killer cells. However, a role for GATA-3 before the double-negative (DN) 3 stage of T cell development has to date been obscured both by the developmental heterogeneity of DN1 thymocytes and the paucity of ETPs. We provide multiple lines of in vivo evidence through the analysis of T cell development in Gata3 hypomorphic mutant embryos, in irradiated mice reconstituted with Gata3 mutant hematopoietic cells, and in mice conditionally ablated for the Gata3 gene to show that GATA-3 is required for ETP generation. We further show that Gata3 loss does not affect hematopoietic stem cells or multipotent hematopoietic progenitors. Finally, we demonstrate that Gata3 mutant lymphoid progenitors exhibit neither increased apoptosis nor diminished cell-cycle progression. Thus, GATA-3 is required for the cell-autonomous development of the earliest characterized thymic T cell progenitors.
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Scazzone, Concetta, Luisa Agnello, Bruna Lo Sasso, Giuseppe Salemi, Caterina Maria Gambino, Paolo Ragonese, Giuseppina Candore, et al. "FOXP3 and GATA3 Polymorphisms, Vitamin D3 and Multiple Sclerosis." Brain Sciences 11, no. 4 (March 25, 2021): 415. http://dx.doi.org/10.3390/brainsci11040415.

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Background: Regulatory T cells (Tregs) alterations have been implicated in the pathogenesis of Multiple Sclerosis (MS). Recently, a crucial role of the X-Linked Forkhead Box P3 (FoxP3) for the development and the stability of Tregs has emerged, and FOXP3 gene polymorphisms have been associated with the susceptibility to autoimmune diseases. The expression of Foxp3 in Tregs is regulated by the transcription factor GATA binding-protein 3 (GATA3) and vitamin D3. The aim of this retrospective case-control study was to investigate the potential association between FOXP3 and GATA3 genetic variants, Vitamin D3, and MS risk. Methods: We analyzed two polymorphisms in the FOXP3 gene (rs3761547 and rs3761548) and a polymorphism in the GATA3 gene (rs3824662) in 106 MS patients and 113 healthy controls. Serum 25(OH)D3 was also measured in all participants. Results: No statistically significant genotypic and allelic differences were found in the distribution of FOXP3 rs3761547 and rs3761548, or GATA3 rs3824662 in the MS patients, compared with controls. Patients that were homozygous for rs3761547 had lower 25(OH)D3 levels. Conclusions: Our findings did not show any association among FOXP3 and GATA3 SNPs, vitamin D3, and MS susceptibility.
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Zhang, Chenghua, Gangzheng Wang, Wangqiu Deng, and Taihui Li. "Distribution, evolution and expression of GATA-TFs provide new insights into their functions in light response and fruiting body development of Tolypocladium guangdongense." PeerJ 8 (August 28, 2020): e9784. http://dx.doi.org/10.7717/peerj.9784.

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Background Fungal GATA-type transcription factors (GATA-TFs) are a class of transcriptional regulators involved in various biological processes. However, their functions are rarely analyzed systematically, especially in edible or medicinal fungi, such as Tolypocladium guangdongense, which has various medicinal and food safety properties with a broad range of potential applications in healthcare products and the pharmaceutical industry. Methods GATA-TFs in T. guangdongense (TgGATAs) were identified using InterProScan. The type, distribution, and gene structure of TgGATAs were analyzed by genome-wide analyses. A phylogenetic tree was constructed to analyze their evolutionary relationships using the neighbor-joining (NJ) method. To explore the functions of GATA-TFs, conserved domains were analyzed using MEME, and cis-elements were predicted using the PlantCARE database. In addition, the expression patterns of TgGATAs under different light conditions and developmental stages were studied using qPCR. Results Seven TgGATAs were identified. They were randomly distributed on four chromosomes and contained one to four exons. Phylogenetic analysis indicated that GATA-TFs in each subgroup are highly conserved, especially for GATA1 to GATA5. Intron distribution analyses suggested that GATA1 and GATA3 possessed the most conserved gene structures. Light treatments induced the expression levels of TgGATA1 and TgGATA5-7, but the expression levels varied depending on the duration of illumination. The predicted protein structures indicate that TgGATA1 and TgGATA2 possess typical light-responsive domains and may function as photoreceptors to regulate downstream biological processes. TgGATA3 and TgGATA5 may be involved in nitrogen metabolism and siderophore biosynthesis, respectively. TgGATA6 and TgGATA7 possess unique Zn finger loop sequences, suggesting that they may have special functions. Furthermore, gene expression analysis indicated that TgGATA1 (WC1) was notably involved in mycelial color transformation, while other genes were involved in fruiting body development to some extent. These results provide valuable information to further explore the mechanisms through which TgGATAs are regulated during fruiting body development.
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Soklic, Tanja Kosak, Matija Rijavec, Mira Silar, Ana Koren, Izidor Kern, Irena Hocevar-Boltezar, and Peter Korosec. "Transcription factors gene expression in chronic rhinosinusitis with and without nasal polyps." Radiology and Oncology 53, no. 3 (July 17, 2019): 323–30. http://dx.doi.org/10.2478/raon-2019-0029.

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Abstract Background Chronic rhinosinusitis (CRS) current therapeutic approaches still fail in some patients with severe persistent symptoms and recurrences after surgery. We aimed to evaluate the master transcription factors gene expression levels of T cell subtypes in chronic rhinosinusitis with nasal polyps (CRSwNP) and chronic rhinosinusitis without nasal polyps (CRSsNP) that could represent new, up-stream targets for topical DNAzyme treatment. Patients and methods Twenty-two newly diagnosed CRS patients (14 CRSwNP and 8 CRSsNP) were prospectively biopsied and examined histopathologically. Gene expression levels of T-box transcription factor (T-bet, TBX21), GATA binding protein 3 (GATA3), Retinoic acid-related orphan receptor C (RORC) and Forkhead box P3 (FOXP3) were analyzed by real-time quantitative polymerase chain reaction (RT-qPCR). Results Eosinophilic CRSwNP was characterized by higher level of GATA3 gene expression compared to noneosinophilic CRSwNP, whereas there was no difference in T-bet, RORC and FOXP3 between eosinophilic and noneosinophilic CRSwNP. In CRSsNP, we found simultaneous upregulation of T-bet, GATA3 and RORC gene expression levels in comparison to CRSwNP; meanwhile, there was no difference in FOXP3 gene expression between CRSwNP and CRSsNP. Conclusions In eosinophilic CRSwNP, we confirmed the type 2 inflammation by elevated GATA3 gene expression level. In CRSsNP, we unexpectedly found simultaneous upregulation of T-bet and GATA3 that is currently unexplained; however, it might originate from activated CD8+ cells, abundant in nasal mucosa of CRSsNP patients. The elevated RORC in CRSsNP could be part of homeostatic nasal immune response that might be better preserved in CRSsNP patients compared to CRSwNP patients. Further data on transcription factors expression rates in CRS phenotypes are needed.
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Dissertations / Theses on the topic "Gene Gata3"

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Gilli, Simone Cristina Olenscki. "Regulação do gene gata3 humano pelo virus HTLVI." [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/311958.

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Orientador: Sara T. O. Saad
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Ciencias Medicas
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Resumo: A infecção pelo vírus linfotrópico de células T tipo I (HTLV I) tem sido associada à leucemia/linfoma T do adulto (LLTA), à paraparesia espástica tropical! mielopatia associada ao HTLV I (PET/MAH), à uveíte e, recentemente, à Síndrome de Sjõgren e outras doenças do sistema conjuntivo. Os fatores que detenninam a evolução para essas doenças relacionadas à infecção são desconhecidos, mas podem estar ligados à predisposição genética e à resposta imune do hospedeiro. Camundongos com ausência do gene GATA3 demonstram várias e graves anormalidades morfológicas e fisiológicas no sistema nervoso central e periférico, além de comprometimento da hematopoese durante o desenvolvimento embrionário. Há, portanto, semelhanças entre os sistemas comprometidos na ausência do gene GATA3 e aqueles alterados secundariamente à infecção pelo HTLV I. Vários estudos sugerem que uma fosfoproteína viral presente no HTLVI, denominada Tax, ative a transcrição de vários genes envolvidos na produção de citocinas ou na resposta e na proliferação celular, como c-fos, c-myc, erg-I, IL-I, IL-2, GM-CSF. Entretanto, a crelação entre a infecção pelo vírus HTLV I e o fator de transcrição GATA3 ainda não havia sido determinada. Os objetivos do presente trabalho foram caracterizar a relação entre o fator de transcrição GATA3 e o vírus HTLV I, utilizando-se, para tanto, a técnica de RT-PCR semiquantitativo; analisar a relação entre o fator de transcrição GATA3 e o vírus HTLV I, por meio de estudos de interação DNA/proteína; e demonstrar, por estudos funcionais em modelos celulares in vitro, a resposta das regiões de controle transcricional do gene GATA3 à proteína Tax. Demonstramos, através do RT-PCR semi-quantitativo que ocorre uma evidente redução na expressão do gene GATA3 em portadores saudávies da infecção pelo HTLVI, e também de forma mais acentuada nos portadores de Leucemia Linfoma T do Adulto e Paraparesia Espástica Tropical/Mielopatia associada ao HTLVI. Estudos in vitro, que utilizaram construções com o gene reporter CAT direcionado pelo promotor e silenciador do gene GATA3 co-transfectados com vetores de expressão da proteína Tax e seu mutante, revelaram que Tax exerce atividade discreta no promotor de gene GATA3, mas reprime de modo marcante a atividade do promotor na presença de seu silenciador. Essa repressão provavelmente ocorre através da interação de tax com o fator de trans.crição ZEB, o silenciador do promotor do gene GATA3, uma vez que interação deste com a proteína Tax foi demonstrada no estudo de retardamento em gel. O estudo demonstrou, pela primeira vez, a regulação do gene GATA3 pelo vírus HTLVI. Essa regulação pode estar envolvida na fisiopatologia das doenças relacionadas à infecção pelo HTLVI
Abstract: The HTLV-I nonstructural protein Tax plays a crucial role in cellular transformation. It activates the transcription factors of various cellular genes and interacts with cellular proteins. Limited data are available on the interaction between specific T cell transcription factor GATA3 and Tax. hnplication for the significance ofGATA3 on T-cell development and function, (Th2) differentiation, and a role ofGATA3 during immune response has been reported. To determine the effect of the Tax protein on GATA3 gene expression, we investigated the interaction between this protein and the GATA3 promoter and repressor regions. The semi quantitative RT-PCR demonstrated a considerable decrease in the expression of the GATA 3 cDNA all subjects infected by HTLV I and no expression of GATA 3 mRNA was observed in one subject with ATLL and another with HAM/TSP. Results demonstrated an interaction between Tax and GATA3 gene and a role ofTax in the negative regulation of GATA3 expression, through its interaction with the repressor, ZEB. This interaction may be involved in the pathophysiology of adult T cell leukemiallymphoma and tropical spastic paraparesis/HTLV-I-associated myelophathy
Doutorado
Clinica Medica
Doutor em Clínica Médica
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Medeiros, Priscila [UNESP]. "Epidemiologia genética em hanseníase: estudo de associação do gene GATA3." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/140259.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Fundação Paulista Contra a Hanseníase
hanseníase é uma doença de caráter complexa causada pelo Mycobacterium leprae, que é um patógeno intracelular obrigatório com predileção por macrófagos na pele e células de Schwann nos nervos periféricos. O genoma altamente conservado do bacilo sugere que o patógeno não seja o responsável pela variedade de fenótipos clínicos e biológicos observada na doença, atribuindo grande importância aos fatores genéticos do hospedeiro. Estudos de ligação do tipo genome-wide apontaram um locus de susceptibilidade para a doença na região cromossômica 10p13 e o gene GATA3, localizado na região 10p15, é um forte candidato a fazer parte dessa associação devido à sua localização no genoma e ao seu papel na resposta imune. O GATA-3 é um fator de transcrição clássico na diferenciação de células Th2, no entanto, sabe-se hoje que essa proteína possui outras funções importantes para o sistema imune. Nós empregamos a estratégia de estudo de associação do tipo caso-controle em série, utilizando duas amostras populacionais do Brasil com 1.633 indivíduos, para testar sete variantes genéticas do GATA3. Um estudo funcional também foi conduzido para avaliar o efeito dos polimorfismos associados sobre a expressão de GATA-3 e produção de citocinas. O alelo A do polimorfismo rs10905284 foi associado com resistência para a hanseníase em ambas as amostras. Na análise combinando as duas amostras este efeito do alelo A foi confirmado (OR 0,67; IC95%: 0,54-0,84; p=0,0004). A análise funcional mostrou que os indivíduos portadores do genótipo AA expressam altos níveis da proteína GATA-3 nos linfócitos. Portanto, nós confirmamos que o marcador rs10905284 está associado à hanseníase na população brasileira e influencia os níveis de expressão do fator de transcrição GATA-3
Leprosy outcome is a complex trait and the host-pathogen-environment interaction defines the emergence of the disease. The causative agent of the disease, Mycobacterium leprae, exhibits a conserved genome and could not be accountable for the variety of outcomes observed from exposition, infection and disease. Thus, host genetic risk factors have been successfully associated to leprosy. The 10p13 chromosomal region was linked to leprosy in familial studies and the GATA3 gene is a strong candidate to be part of this association due to its locus and the role that exerts in the immune response. The GATA-3 is a transcription factor involved in the Th2 cell differentiation, however, today it is recognized the ample role of this protein in the immune response. Here, we applied a stepwise strategy to test genetic variants at GATA3 in two case-control samples from Brazil comprising a total of 1,633 individuals. A functional investigation was also conducted to evaluate the effect of the polymorphisms on the GATA-3 protein and the cytokines production. The A allele of rs10905284 marker was associated to leprosy resistance in both samples. In the analysis combining the two samples this effect was reinforced (OR 0,67; CI95%: 0,54-0,84; p=0,0004). The functional analysis showed that individuals carrying AA genotype express higher levels of GATA-3 protein in lymphocytes. So, we confirmed that the rs10905284 is a locus associated to leprosy in the Brazilian population and influences the levels of this transcription factor.
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Medeiros, Priscila. "Epidemiologia genética em hanseníase : estudo de associação do gene GATA3." Botucatu, 2015. http://hdl.handle.net/11449/140259.

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Orientador: Ana Carla Pereira Latini
Coorientador: Vânia Nieto Brito de Souza
Banca: Carlos Magno Castelo Branco Fortaleza
Banca: Milton Ozório Moraes
Resumo: hanseníase é uma doença de caráter complexa causada pelo Mycobacterium leprae, que é um patógeno intracelular obrigatório com predileção por macrófagos na pele e células de Schwann nos nervos periféricos. O genoma altamente conservado do bacilo sugere que o patógeno não seja o responsável pela variedade de fenótipos clínicos e biológicos observada na doença, atribuindo grande importância aos fatores genéticos do hospedeiro. Estudos de ligação do tipo genome-wide apontaram um locus de susceptibilidade para a doença na região cromossômica 10p13 e o gene GATA3, localizado na região 10p15, é um forte candidato a fazer parte dessa associação devido à sua localização no genoma e ao seu papel na resposta imune. O GATA-3 é um fator de transcrição clássico na diferenciação de células Th2, no entanto, sabe-se hoje que essa proteína possui outras funções importantes para o sistema imune. Nós empregamos a estratégia de estudo de associação do tipo caso-controle em série, utilizando duas amostras populacionais do Brasil com 1.633 indivíduos, para testar sete variantes genéticas do GATA3. Um estudo funcional também foi conduzido para avaliar o efeito dos polimorfismos associados sobre a expressão de GATA-3 e produção de citocinas. O alelo A do polimorfismo rs10905284 foi associado com resistência para a hanseníase em ambas as amostras. Na análise combinando as duas amostras este efeito do alelo A foi confirmado (OR 0,67; IC95%: 0,54-0,84; p=0,0004). A análise funcional mostrou que os indivíduos portadores do genótipo AA expressam altos níveis da proteína GATA-3 nos linfócitos. Portanto, nós confirmamos que o marcador rs10905284 está associado à hanseníase na população brasileira e influencia os níveis de expressão do fator de transcrição GATA-3
Abstract: Leprosy outcome is a complex trait and the host-pathogen-environment interaction defines the emergence of the disease. The causative agent of the disease, Mycobacterium leprae, exhibits a conserved genome and could not be accountable for the variety of outcomes observed from exposition, infection and disease. Thus, host genetic risk factors have been successfully associated to leprosy. The 10p13 chromosomal region was linked to leprosy in familial studies and the GATA3 gene is a strong candidate to be part of this association due to its locus and the role that exerts in the immune response. The GATA-3 is a transcription factor involved in the Th2 cell differentiation, however, today it is recognized the ample role of this protein in the immune response. Here, we applied a stepwise strategy to test genetic variants at GATA3 in two case-control samples from Brazil comprising a total of 1,633 individuals. A functional investigation was also conducted to evaluate the effect of the polymorphisms on the GATA-3 protein and the cytokines production. The A allele of rs10905284 marker was associated to leprosy resistance in both samples. In the analysis combining the two samples this effect was reinforced (OR 0,67; CI95%: 0,54-0,84; p=0,0004). The functional analysis showed that individuals carrying AA genotype express higher levels of GATA-3 protein in lymphocytes. So, we confirmed that the rs10905284 is a locus associated to leprosy in the Brazilian population and influences the levels of this transcription factor.
Mestre
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4

Gilmour, Jane. "The role of GATA3 and c-maf in human T-cell cytokine gene expression." Thesis, King's College London (University of London), 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427926.

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Whyatt, David John. "Erythroid development and GATA-1." Thesis, Open University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239713.

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Tarradas, Pou Anna. "Els factors GATA4 i GATA5 en la regulació transcripcional del gen que codifica pel canal de sodi cardíac (SCN5A)." Doctoral thesis, Universitat de Girona, 2017. http://hdl.handle.net/10803/405732.

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The SCN5A gene encodes the alpha subunit of the cardiac sodium channel (NaV1.5), which is responsible for the influx of sodium ions through membrane of cardiomyocytes. Different evidences suggest that an aberrant expression of the SCN5A gene may cause cardiac arrhythmias. However, the mechanisms that control SCN5A expression regulation are largely unknown. This thesis proposes a new mechanism of SCN5A transcriptional regulation in the adult human heart: transcription factors GATA4 and GATA5 synergize in the activation of the SCN5A expression. In addition, it has been proposed that GATA4 activity on the SCN5A is regulated by acetylation/deacetylation via the acetyltransferase p300 and the deacetylase HDAC2. It has been identified three lysines of GATA4 that are targets of p300 and HDAC2. In summary, this study contributes to further understand the molecular basis of the cardiac arrhythmias associated with alteration of sodium currents
El gen SCN5A codifica per la subunitat alfa del canal de sodi cardíac dependent de voltatge (NaV1.5), el qual permet l’entrada de ions sodi a través de la membrana dels cardiomiòcits. Diverses evidències suggereixen que una expressió anòmala del gen SCN5A pot donar lloc a arítmies cardíaques. Malauradament, els mecanismes que regulen l’expressió d’SCN5A són molt poc coneguts. Aquesta tesi proposa un nou mecanisme de regulació transcripcional del gen SCN5A en el cor humà adult: els factors de transcripció GATA4 i GATA5 activen sinèrgicament l’expressió del gen SCN5A. També s’ha proposat que l’activitat de GATA4 sobre SCN5A està regulada per un mecanisme d’acetilació/desacetilació a on hi participen l’acetiltransferasa p300 i la desacetilasa HDAC2. S’han identificat tres residus de lisines de GATA4 que són dianes de p300 i HDAC2. En resum, aquest estudi permet entendre millor les bases moleculars de les arítmies cardíaques associades amb alteracions del corrent de sodi
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Borges, Gustavo. "Mutações no gene GATA2 em pacientes com síndromes de falência medular." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/17/17154/tde-07062017-103827/.

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Citopenia é um importante sinal de falência medular, sendo um achado comum de várias doenças, dentre as quais se destacam as mielodisplasias e a anemia aplástica. As mielodisplasias correspondem a um grupo de alterações hematopoéticas de natureza clonal, cuja principal característica é a hematopoese ineficaz, clinicamente manifesta como uma medula óssea celular, porém associada a citopenias. Já a anemia aplástica apresenta uma medula hipo ou acelular sem evidência de infiltração neoplásica, sendo substituída por tecido gorduroso. O gene GATA2 é um fator regulador da hematopoese, atuando também na manutenção e proliferação do pool de células-tronco e progenitoras hematopoéticas. Recentemente, mutações constitucionais no gene GATA2 foram descritas na síndrome de monocitopenia e infecção micobacteriana (MonoMac), que eventualmente cursa com outras citopenias, medula hipocelular ou mesmo mielodisplasia. Entretanto, a contribuição de mutações no gene GATA2 para o desenvolvimento de anemia aplástica adquirida e síndrome mielodisplásica não é conhecida. Neste trabalho, propomos pesquisar mutações no gene GATA2 em pacientes com anemia aplástica adquirida e síndrome mielodisplásica, por meio de sequenciamento direto do DNA. Adicionalmente, também avaliaremos as subpopulações linfocitárias no sangue periférico e níveis de citocinas plasmáticas no intuito de correlacionar a presença de mutação do GATA2 a um perfil imunológico.
Cytopenia is an important signal of marrow failure, being commom to various diseases, among them myelodysplasia and aplastic anemia. Myelodysplasia is a group of hematopoietic clonal disorders, with inneficient hematopoiesis, cellular bone marrow with associated cytopenias. The aplastic anemia presents a hypo or even acellular bone marrow without any evidence of neoplastic infiltration with the stem cells being substituted by fat. The GATA2 gene is a key regulator of hematopoiesis, also acting on the maintenance and proliferation of stem and progenitor cells. Recently, constitutional mutations in the GATA2 gene were described in MonoMAC syndrome, which eventually presents cytopenias, hypocellular marrow or even myelodysplasia. However, the contribution of GATA2 mutations for the development of acquired aplastic anemia or myelodysplasia is not known. In this work we aim to search for GATA2 gene mutations in patients with acquired aplastic anemia and myelodysplasia through Sanger sequencing. Also, we will evaluate the levels of subpopulations of lymphocytes and the plasmatic levels of cytokines to establish a correlation between the presence of mutation in the GATA2 and a specific immune profile
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Lee, Pei Yun Bronner-Fraser Marianne. "Function and regulation of the Strongylocentrotus purpuratus gatae gene /." Diss., Pasadena, Calif. : California Institute of Technology, 2007. http://resolver.caltech.edu/CaltechETD:etd-04072007-221302.

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Pregernig, Gabriela. "Determinants of GATA1-mediated gene regulation during erythroid maturation." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112505.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Biological Engineering, 2017.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 151-171).
Hematopoiesis has long been used as a model system to study development and lineage decision-making. Within this branch of development, erythropoiesis is the process through which mature red blood cells arise from progenitor cells. In this context, GATA1 is widely considered to be the master transcription factor for erythropoiesis, controlling the expression of a vast majority of the genes involved in red blood cell maturation. GATA1 dysfunction has been shown to cause several human disorders, including anemias and thalassemias, and has been linked to the onset of various types of leukemia. GATA1 has been shown to function as both a gene activator and repressor, posing the question of how it distinguishes between various categories of genes and regulates them. In this thesis, we apply a combination of systems and molecular biology approaches in order to gain a better understanding of various regulatory mechanisms centered around GATA1. In the main study of this thesis, we uncover a new physical interaction between GATA1 and the cohesin complex, which has previously been involved in establishing three-dimensional chromatin architecture in the nucleus. We collected chromatin interaction data in a murine cell line model for erythropoiesis, and identified tens of thousands of DNA looping events in both progenitor and differentiated cells. Integration of these chromatin interaction maps with gene expression and transcription factor occupancy datasets revealed new principles underlying gene regulation, and suggests that GATA1 plays a major role in orchestrating the 3D organization of the differentiating erythroid cell. In a second study, we identify a new feedback mechanism which facilitates the replacement of GATA2, a transcription factor expressed at earlier stages of hematopoiesis, by GATA1. We show that Fbw7, an ubiquitin ligase protein trans-activated by GATA1, targets GATA2 for proteosomal degradation, thus reducing its halflife and leading to more efficient GATA factor switching. Finally, in a last section, we characterize the GATA1 -interacting transcription factors zfp281 and zfp148, and show that they play functionally redundant roles in erythroid development. Altogether, this thesis presents new insights into GATA1 various aspects of GATA1 biology, which will contribute to our understanding of mechanisms of gene regulation.
by Gabriela Pregernig.
Ph. D.
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Gillis, William Joseph. "The evolution of metazoan GATA transcription factors /." Connect to title online (Scholars' Bank) Connect to title online (ProQuest), 2008. http://hdl.handle.net/1794/8568.

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Thesis (Ph. D.)--University of Oregon, 2008.
Typescript. Includes vita and abstract. "This dissertation includes both ... previously published and unpublished co-authored material"--P. v. Includes bibliographical references (leaves 120-135). Also available online in Scholars' Bank; and in ProQuest, free to University of Oregon users.
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Book chapters on the topic "Gene Gata3"

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Imagawa, Shigehiko, Masayuki Yamamoto, and Yasusada Miura. "Gata Transcription Factors Negatively Regulate Erythropoietin Gene Expression." In Molecular Biology of Hematopoiesis 5, 501–13. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0391-6_61.

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Marzluf, G. A. "Multiple Fungal GATA Transcription Factors and Combinatorial Gene Regulation." In Biochemistry and Molecular Biology, 111–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-06064-3_6.

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Mak, Tak W., Josef Penninger, John Roder, Janet Rossant, and Mary Saunders. "GATA-1." In The Gene Knockout FactsBook, 389–90. Elsevier, 1998. http://dx.doi.org/10.1016/b978-012466044-1/50215-5.

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Mak, Tak W., Josef Penninger, John Roder, Janet Rossant, and Mary Saunders. "GATA-2." In The Gene Knockout FactsBook, 391–92. Elsevier, 1998. http://dx.doi.org/10.1016/b978-012466044-1/50216-7.

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Mak, Tak W., Josef Penninger, John Roder, Janet Rossant, and Mary Saunders. "GATA-4." In The Gene Knockout FactsBook, 393–94. Elsevier, 1998. http://dx.doi.org/10.1016/b978-012466044-1/50217-9.

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Ohba, K., S. Sasaki, A. Matsushita, H. Iwaki, H. Matsunaga, S. Suzuki, H. Misawa, and H. Nakamura. "GATA2 Mediates the Thyrotropin-Releasing Hormone-Induced Transcriptional Activation of the Thyrotropin β Gene." In The Endocrine Society's 92nd Annual Meeting, June 19–22, 2010 - San Diego, OR41–6—OR41–6. Endocrine Society, 2010. http://dx.doi.org/10.1210/endo-meetings.2010.part3.or2.or41-6.

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Strauss, Erich C., and Stuart H. Orkin. "Analysis of the GATA-1 Gene Promoter and Globin Locus Control Region Elements by in Vivo Footprinting." In In Vivo Footprinting, 135–58. Elsevier, 1997. http://dx.doi.org/10.1016/s1569-2558(08)60285-4.

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Conference papers on the topic "Gene Gata3"

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Al-Jaber, Hend Sultan, Layla Jadea Al-Mansoori, and Mohamed Aghar Elrayess. "The Role of GATA3 in Adipogenesis & Insulin Resistance." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0143.

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Background: Impaired adipogenesis plays an important role in the development of obesityassociated insulin resistance and type 2 diabetes. Adipose tissue inflammation is a crucial mediator of this process. In hyperglycemia, immune system is activated partially through upregulation of GATA3, causing exacerbation of the inflammatory state associated with obesity. GATA3 also plays a role as a gatekeeper of terminal adipocyte differentiation. Here we are examining the impact of GATA3 inhibition in adipose tissue on restoring adipogenesis, reversing insulin resistance and potentially lowering the risk of type 2 diabetes. Results: GATA-3 expression was higher in insulin resistant obese individuals compared to their insulin sensitive counterparts. Targeting GATA-3 with GATA-3 specific inhibitors reversed impaired adipogenesis and induced changes in the expression of a number insulin signaling-related genes, including up-regulation of insulin sensitivity-related gene and down-regulation of insulin resistance-related genes. Conclusion: GATA3 expression is higher in differentiating adipocytes from obese insulin resistant. Inhibiting GATA3 improves adipocytes differentiation and rescues insulin sensitivity in insulin resistant cells
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Akiyama, Yoshimitsu, Hiromi Nagasali, Ayako Kawamoto, James G. Herman, Stephen B. Baylin, and Yasuhito Yuasa. "Abstract 200: Methylation of GATA4 and GATA5 transcription factor genes in gastric cancers." In Proceedings: AACR 101st Annual Meeting 2010‐‐ Apr 17‐21, 2010; Washington, DC. American Association for Cancer Research, 2010. http://dx.doi.org/10.1158/1538-7445.am10-200.

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Park, A., L. Liu, C. Wong, and YJ Suzuki. "Pulmonary Hypertension Activates GATA-4 in the Right Heart: Role of CBF/NF-Y in the Regulation of Gata4 Gene Transcription." In American Thoracic Society 2009 International Conference, May 15-20, 2009 • San Diego, California. American Thoracic Society, 2009. http://dx.doi.org/10.1164/ajrccm-conference.2009.179.1_meetingabstracts.a4140.

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Chen, Bohao, Yong Huang, Peter J. Gruber, Edward E. Morrisey, Alex Rodriguez, Neil Bahroos, and Julian Solway. "The Gene Expression Profile Of Lung Tissues In GATA5 Deficient Mice." In American Thoracic Society 2011 International Conference, May 13-18, 2011 • Denver Colorado. American Thoracic Society, 2011. http://dx.doi.org/10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a2069.

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"Differentially methylation of ANKRD53 and GATA3 genes in human miscarriages with trisomy 16." In Bioinformatics of Genome Regulation and Structure/ Systems Biology. institute of cytology and genetics siberian branch of the russian academy of science, Novosibirsk State University, 2020. http://dx.doi.org/10.18699/bgrs/sb-2020-079.

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Chiang, Yan Ting, Kendric Wang, Francesco Crea, Colin Collins, Peter Gout, and Yuzhuo Wang. "Abstract 2001: GATA2: Potential role as a prostate cancer metastasis-driving gene." In Proceedings: AACR Annual Meeting 2014; April 5-9, 2014; San Diego, CA. American Association for Cancer Research, 2014. http://dx.doi.org/10.1158/1538-7445.am2014-2001.

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Chen, B., J. Wang, L. Shang, and J. Solway. "Krüppel-Like Factor 6 Gene Expression Is Regulated by GATA5 Transcription Factor." In American Thoracic Society 2019 International Conference, May 17-22, 2019 - Dallas, TX. American Thoracic Society, 2019. http://dx.doi.org/10.1164/ajrccm-conference.2019.199.1_meetingabstracts.a3964.

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Chen, Bohao, Rona Hsu, Paul Kogut, Nanyue Chen, and Julian Solway. "Binding Of Upstream Stimulatory Factor (USF)-1 To An E-box Activates GATA5 Gene Expression." In American Thoracic Society 2010 International Conference, May 14-19, 2010 • New Orleans. American Thoracic Society, 2010. http://dx.doi.org/10.1164/ajrccm-conference.2010.181.1_meetingabstracts.a4939.

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Zhou, Beiyun, Yixin Liu, Crystal Marconett, David K. Ann, Per Flodby, Parviz Minoo, Michael Kahn, Edward D. Crandall, Ite A. Laird-Offringa, and Zea Borok. "HDAC3 And GATA-6/p300 Coordinately Regulate Type I Cell-Specific Aquaporin-5 (Aqp5) Gene Expression During Alveolar Epithelial Cell (AEC) Transdifferentiation." In American Thoracic Society 2011 International Conference, May 13-18, 2011 • Denver Colorado. American Thoracic Society, 2011. http://dx.doi.org/10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a4217.

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Enane, Francis O., Marissa Teo, Hideki Makishima, Zhenbo Hu, Han Chong Toh, Yogen Saunthararajah, Joanna Ng, Chit Lai, Soo Fan Ang, and Lim Kiat Hon. "Abstract 3518: Frequent mutation and deletion of GATA4 in hepatocellular carcinoma represses proliferation terminating late-maturation genes CEBPD and HNF4A by reversible epigenetic mechanisms." In Proceedings: AACR 104th Annual Meeting 2013; Apr 6-10, 2013; Washington, DC. American Association for Cancer Research, 2013. http://dx.doi.org/10.1158/1538-7445.am2013-3518.

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