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Gene expression profile of YAP1, TEAD1 and KLF5 in hepatocellular carcinoma cell line (SK-Hep1)

ABSTRACT: Hippo signaling pathway is pivotally involved in human cancer. Among the Hippo components, YAP1 is highly active while function of MST1,2 and SAV1 was lost in liver cancer. Based on systematic analysis, we identified KLF5 as YAP1 binding partner in silico. To investigate KLF5 in liver cancer, we performed the gene expression microarray after knocked down YAP1, TEAD1 and KLF5 in SK-Hep1 cell line.

ORGANISM(S): Homo sapiens

PROVIDER: GSE32597 | GEO | 2013/12/31

SECONDARY ACCESSION(S): PRJNA147181

REPOSITORIES: GEO

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Gene expression profile of YAP1, TEAD1 and KLF5 in hepatocellular carcinoma cell line (SK-Hep1)

Project description:Hippo signaling pathway is pivotally involved in human cancer. Among the Hippo components, YAP1 is highly active while function of MST1,2 and SAV1 was lost in liver cancer. Based on systematic analysis, we identified KLF5 as YAP1 binding partner in silico. To investigate KLF5 in liver cancer, we performed the gene expression microarray after knocked down YAP1, TEAD1 and KLF5 in SK-Hep1 cell line. To identify the role of YAP1, TEAD1 and KLF5 in hepatocellular carcinoma cell line, we performed microarray after knocking down YAP1, TEAD1 and KLF5 in hepatocellular carcinoma cell line (3 siLuc, 3 siYAP1, 3 siTEAD1, 3 siKLF5)

2013-12-31 | E-GEOD-32597 | biostudies-arrayexpress

Gene expression profile of mouse liver cancer (Sav1 and Mst1/2 Knockout models)

Project description:Hippo pathway is evolutionarily well conserved. All core components of the pathway identified to date have one or more mammalian orthologs, including MST1/2 (Hippo), SAV1 (Salvador, also known as WW45), LATS1/2 (Warts), MOB1 (Mats), YAP1 and its paralog WWTR1 (also known as TAZ) (Yorkie), and TEAD1/2/3/4 (Scalloped). Ectopic over-expression of YAP1 in mouse liver led to develop hepatocellular carcinoma (HCC). HCC is the third most common cause of cancer-related death in the world, and accounts for an estimated 600,000 deaths annually. Lack of molecular classification and clinical heterogeneity of this malignant disease hampered the development of standardized treatment. To investigate roles of Hippo pathway in liver carcinogenesis, we generated liver-specific Mst1/2 -/- and Sav1 -/- mouse models and collected gene expression data from them. Our study provided new understanding on molecular characteristics of HCC. Sav1 and Mst1/2 Knockout models

2014-08-23 | E-GEOD-32510 | biostudies-arrayexpress

Gene expression profile of mouse liver cancer (Sav1 and Mst1/2 Knockout models)

2014-08-23 | GSE32510 | GEO

Gene espression Profile by YAP1 and TAZ

Project description:The Hippo signaling pathway is evolutionarily well conserved, and all core components have one or more mammalian orthologs, including MST1/2 (Hippo), SAV1 (Salvador), LATS1/2 (Warts), MOB1 (Mats), YAP1/TAZ (Yorkie), and TEAD1/2/3/4 (Scalloped) (Halder and Johnson, 2011; Pan, 2007; Dong et al., 2007; Saucedo and Edgar, 2007). When Hippo signaling is active, YAP1/TAZ is phosphorylated by LATS1/2 and sequestered by 14-3-3 proteins in cytoplasm. When Hippo signaling is absent, unphosphorylated YAP1/TAZ enters the nucleus and increases transcriptional activation of genes involved in cell proliferation and survival. The indispensability of the Hippo pathway in restricting cell growth and proliferation has prompted speculation that many members of the pathway might be involved in tumorigenesis. To see the effect of YAP1 and TAZ in HCC cell, we generated gene expression profile.

2014-12-31 | GSE54617 | GEO

YAP1 exerts its transcriptional control via TEAD mediated activation of enhancers

Project description:YAP is the principle effector of the Hippo signaling pathway; a key regulator of tissue homeostasis whose dysregulation is linked to cancer development. YAP regulation of gene expression is thought to involve the TEAD transcription factor family. Here we show that YAP and TEAD1 binding always co-occurs and is mediated by single as well as double TEAD1 motifs with a particular 3bp spacer (CATTCCNNNCATTCC). This suggests that YAP activity appears exclusively mediated by TEAD1. Despite being characterized as a promoter-binding factor YAP/TEAD actually binds predominantly to enhancers. Moreover we show that YAP is necessary for activity of the linked gene and proper chromatin state of regulated enhancers. These results establish mode of binding and activation of YAP mediated nuclear response of the Hippo pathway by TEAD1 and provide a comprehensive list and a novel class of direct target genes that are regulated distally and could be exploited for cancer therapeutics. Sequencing of ChIP and input samples for YAP1 and TEAD1 transcription factors and H3K27ac histone modification in SF268 glioblastoma cells and for YAP1 transcription factor in NCI-H2052 mesothelioma cells.

2015-08-25 | E-GEOD-61852 | biostudies-arrayexpress

YAP1/TEAD1 ChIP in N/TERT2G human keratinocytes

Project description:YAP1/TEAD1 ChIP was performed in N/TERT2G human keratinocytes

2021-06-09 | GSE172323 | GEO

Expression data from Tead1 beta cell KO

Project description:Tead1 is a transcription factor downstream of the hippo pathway. Gene expression is compared between whole islets from beta cell specific tead1 KO (using Rip-Cre) and Floxed control islets

2022-12-14 | GSE139228 | GEO

Homo sapiens

Project description:Gene expression profile of YAP1, TEAD1 and KLF5 in hepatocellular carcinoma cell line (SK-Hep1)

| PRJNA147181 | ENA

YAP1/TEAD1 ChIP in N/TERT2G human keratinocytes

Project description:YAP1/TEAD1 ChIP in N/TERT2G human keratinocytes

| PRJNA722964 | ENA

The tumor suppressor Rassf1a prevents mouse liver tumorigenesis and regulates levels of the oncogenic kinase Tbk1 and of beta tubulin gene expression in the liver

Project description:The tumor suppressor gene RASSF1A (Ras association domain family protein 1A) coding for a microtubule stabilizing protein is epigenetically silenced in most human cancers. As a binding partner of the kinases MST1 and MST2, the mammalian orthologues of the Drosophila Hippo kinase, RASSF1A is a potential regulator of the Hippo tumor suppressor pathway. RASSF1A shares these properties with the scaffold protein SAV1. The role of this pathway in human cancer has remained enigmatic because Hippo pathway components are rarely mutated. Rassf1a homozygous knockout mice developed liver tumors. However, heterozygous deletion of Sav1 or co-deletion of Rassf1a and Sav1 produced liver tumors with much higher efficiency than single deletion of Rassf1a. Analysis of RASSF1A binding partners by mass spectrometry identified the Hippo kinases MST1, MST2 and the oncogenic IkB kinase TBK1 as the most significantly enriched RASSF1A-interacting proteins. The transcriptome of Rassf1a-/- livers was more deregulated than that of Sav1+/- livers and the transcriptome of Rassf1a-/-, Sav1+/- livers was similar to that of Rassf1a-/- mice. We found that the levels of Tbk1 protein were substantially upregulated in livers lacking Rassf1a, and at the transcript level, factors regulating Tbk1 stability, including Usp2 and Dtx4, were also dysregulated. Furthermore, transcripts of several beta tubulin isoforms were increased in the Rassf1a-deficient liver genotypes presumably reflecting a role of Rassf1a as a tubulin-binding and microtubule-stabilizing protein. Our data suggest a multifactorial role of Rassf1a in suppression of liver carcinogenesis. Analysis of gene expression in liver of wildtype 129 mice, Rassf1a-/- mice (RA), Sav1+/- mice (SA) and Rassf1a-/- Sav1+/- mice (RA_SA)

2016-05-31 | E-GEOD-73911 | biostudies-arrayexpress

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