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Identification of a signal transducer and activator of transcription 3-regulated microRNA-200 family signature with prognostic potential in early gastric cancer

ABSTRACT: Identification of a signal transducer and activator of transcription 3-regulated microRNA-200 family signature with prognostic potential in early gastric cancer

PROVIDER: PRJNA360279 | ENA |

REPOSITORIES: ENA

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Genome-wide binding signature of Signal transducer and activator of transcription (STAT) family in colorectal cancer HCT 116 cell

Project description:The excessive and continuous activated Janus kinase/signal transducer and activator of transcription (JAK/STAT) pathway leads to the proliferation and migration of malignant cells resulting in the occurrence and development of almost all of cancers. The defined gene sets specifically activated by different STAT proteins are relied on their genomic accessibility by the interplay of certain STAT proteins with other potential cofactors. However, we have no clue about the status of human activated STAT dimers in the nucleus, as well as the intercrossing modules of synergic, supplementary or competitive relationship among each other in colorectal cancer. In current study, chromatin immunoprecipitation sequencing (ChIP-seq) was conducted to explore the genome-scale binding signatures of STAT1, STAT2, STAT3, STAT5A/B and STAT6 in human HCT-116 CRC cells. Moreover, STAT3 binding on genomic DNA was also investigated in HCT116 cells with NR5A2 knockdown.

2021-11-08 | E-MTAB-11113 | biostudies-arrayexpress

The inferred mechanisms for prognostic features of signal transducer and activator of transcription 3 in an ER(+) breast cancer model system

Project description:Abstract Aberrantly expressed signal transducer and activator of transcription 3 (STAT3) predicts poor prognosis primarily in estrogen receptor positive (ER(+)) breast cancers and activated STAT3 is overexpressed in luminal A subtype cells. The mechanisms contributing to the prognosis and/or subtype relevant features of *STAT3* in ER(+) breast cancers are* *through multiple interacting regulatory pathways including STAT3-MYC, STAT3-ER , STAT3-MYC-ER interactions and the direct action of activated STAT3. These results predict malignant events, treatment responses and a novel enhancer of tamoxifen resistance. The inferred crosstalk between ER and STAT3 in regulating their shared target gene-*METAP2* is partially validated in the luminal B breast cancer cell line-MCF7. Taken together, we identify a poor prognosis relevant gene set within the *STAT3* network and a robust one in a subset of patients. *VEGFA*, *ABL1*, *LYN*, *IGF2R* and* STAT3* are suggested therapeutic targets for further study based upon the degree of differential expression in our model. Keywords: STAT3 transcriptional regulatory network, prognosis, tamoxifen resistance, tumorigenesis, breast cancer.

2010-11-04 | GSE24124 | GEO

Genome-wide binding signature of Signal transducer and activator of transcription (STAT) family in colorectal cancer HCT 116 cell

Project description:Genome-wide binding signature of Signal transducer and activator of transcription (STAT) family in colorectal cancer HCT 116 cell

| PRJEB48487 | ENA

Genes induced by PDGF-BB in cells lacking Signal Transducer and Activator of Transcription-1 (Stat1)

Project description:Genes induced by PDGF-BB in cells lacking Signal Transducer and Activator of Transcription-1 (Stat1)

| PRJNA639057 | ENA

SIGNAL TRANSDUCER AND ACTIVATOR OF TRANSCRIPTION 3-BASED GLIOMA PATIENT STRATIFICATION AND APPLICATION IN PRECISION ONCOLOGY

Project description:SIGNAL TRANSDUCER AND ACTIVATOR OF TRANSCRIPTION 3-BASED GLIOMA PATIENT STRATIFICATION AND APPLICATION IN PRECISION ONCOLOGY

| PRJNA483546 | ENA

Identification of a signal transducer and activator of transcription 3-regulated microRNA-200 family signature with prognostic potential in early gastric cancer

Project description:This SuperSeries is composed of the SubSeries listed below.

2017-12-01 | GSE93196 | GEO

Bioinformatics Analysis of Expression Profiles and Prognostic Values of the Signal Transducer and Activator of Transcription Family Genes in Glioma.

Project description:Signal transducer and activator of transcription (STAT) family genes-of which there are seven members: STAT1, STAT2, STAT3, STAT4, STAT5A, STAT5B, and STAT6-have been associated with the progression of multiple cancers. However, their prognostic values in glioma remain unclear. In this study, we systematically investigated the expression, the prognostic value, and the potential mechanism of the STAT family genes in glioma. The expression of STAT1/2/3/5A/6 members were significantly higher and positively correlated with IDH mutations, while the expression of STAT5B was lower and negatively correlated with IDH mutations in glioma. Survival analysis indicated that the upregulation of STAT1/2/3/5A/6 and downregulation of STAT5B expression was associated with poorer overall survival in glioma. Joint effects analysis of STAT1/2/3/5A/5B/6 expression suggested that the prognostic value of the group was more significant than that of each individual gene. Thus, we constructed a risk score model to predict the prognosis of glioma. The receiver operating characteristic curve and calibration curves showed good performance as prognostic indicators in both TCGA (The Cancer Genome Atlas) and the CGGA (Chinese Glioma Genome Atlas) databases. Furthermore, we analyzed the correlation between STAT expression with immune infiltration in glioma. The Protein-protein interaction network and enrichment analysis showed that STAT members and co-expressed genes mainly participated in signal transduction activity, Hepatitis B, the Jak-STAT signaling pathway, transcription factor activity, sequence-specific DNA binding, and the cytokine-mediated signaling pathway in glioma. In summary, our study analyzed the expression, prognostic values, and biological roles of the STAT gene family members in glioma, based on which we developed a new risk score model to predict the prognosis of glioma more precisely.

| S-EPMC8283826 | biostudies-literature

Prognostic features of signal transducer and activator of transcription 3 in an ER(+) breast cancer model system.

Project description:The aberrantly expressed signal transducer and activator of transcription 3 (STAT3) predicts poor prognosis, primarily in estrogen receptor positive (ER(+)) breast cancers. Activated STAT3 is overexpressed in luminal A subtype cells. The mechanisms contributing to the prognosis and/or subtype relevant features of STAT3 in ER(+) breast cancers are through multiple interacting regulatory pathways, including STAT3-MYC, STAT3-ER?, and STAT3-MYC-ER? interactions, as well as the direct action of activated STAT3. These data predict malignant events, treatment responses and a novel enhancer of tamoxifen resistance. The inferred crosstalk between ER? and STAT3 in regulating their shared target gene-METAP2 is partially validated in the luminal B breast cancer cell line-MCF7. Taken together, we identify a poor prognosis relevant gene set within the STAT3 network and a robust one in a subset of patients. VEGFA, ABL1, LYN, IGF2R and STAT3 are suggested therapeutic targets for further study based upon the degree of differential expression in our model.

| S-EPMC3921136 | biostudies-literature

Signal transducer and activator of transcription 4 in liver diseases.

Project description:STAT4 is a member of the signal transducer and activator of transcription (STAT) family of molecules that localizes to the cytoplasm. STAT4 regulates various genes expression as a transcription factor after it is phosphorylated, dimerizes and translocates to the nucleus. STAT4 activation is detected virtually in the liver of several mouse models of liver injury, as well as the human liver of chronic liver diseases. STAT4 gene polymorphism has been shown to be associated with the antiviral response in chronic hepatitis C and drug-induced liver injury (DILI), primary biliary cirrhosis (PBC), HCV-associated liver fibrosis and in hepatocellular carcinoma (HCC). However, the roles of STAT4 in the pathogeneses of liver diseases are still not understood entirely. This review summarizes the recent advances on the functional roles of STAT4 and its related cytokines in liver diseases, especially in regulating hepatic anti-viral responses, inflammation, proliferation, apoptosis and tumorigenesis. Targeting STAT4 signaling pathway might be a promising strategy in developing therapeutic approaches for treating hepatitis in order to prevent further injury like cirrhosis and liver cancer.

| S-EPMC4366643 | biostudies-literature

STAT1 and IRF8 orchestrate IFNγ and LPS-mediated signal integration in the vasculature that leads to amplified pro-atherogenic responses

Project description:The transcription factor Signal Transducer and Activator of Transcription (STAT) 1 is activated by Interferon gamma (IFNγ) but also Lipopolysaccharide (LPS) is the trigger of inflammation. STAT1 together with downstream activated Interferon Regulatory Factors (IRF) create a platform for signal integration between IFNγ and the Toll-Like Receptor (TLR) 4 ligand in immune cells. Little is known about the role of STAT1 and IRFs on potential synergism between LPS- and INFγ-signaling in cells from the vasculature. We investigated whether vascular cells can promote inflammatory signaling by the STAT1-IRFs pathway.

2014-11-04 | GSE49519 | GEO

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