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Results of the 3 times mass spectrometry experiments of YAP interacted proteins in liver cancer cells.

ABSTRACT: To determine the identities of the proteins co-purified with YAP and find new YAP-interacted transcription factors , we performed 3 times mass spectrometry experiments.

INSTRUMENT(S): 6520A Quadrupole Time-of-Flight LC/MS

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Liver

SUBMITTER: Xiao Zhang

LAB HEAD: Fenyong Sun

PROVIDER: PXD006601 | Pride | 2019-06-27

REPOSITORIES: Pride

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Dataset's files

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			Action	DRS
	152a6f71-e0e9-41f1-ae19-fc5c4d2454f5_1.mcf	Other
	152a6f71-e0e9-41f1-ae19-fc5c4d2454f5_1.mcf_idx	Other
	20150325_zhangxiao_1_GA6_01_9551.hdx	Other
	20150325_zhangxiao_1_GA6_01_9551.mgf	Mgf
	20150325_zhangxiao_1_GA6_01_9551.u2	Other

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1 - 5 of 54

Publications

TFCP2 Is Required for YAP-Dependent Transcription to Stimulate Liver Malignancy.

Zhang Xiao X Sun Fenyong F Qiao Yongxia Y Zheng Weisheng W Liu Ya Y Chen Yan Y Wu Qi Q Liu Xiangfan X Zhu Guoqing G Chen Yuxin Y Yu Yongchun Y Pan Qiuhui Q Wang Jiayi J

Cell reports 20171001 5

Although YAP-dependent transcription is closely associated with liver tumorigenesis, the mechanism by which YAP maintains its function is poorly understood. Here, we show that TFCP2 is required for YAP-dependent transcription and liver malignancy. Mechanistically, YAP function is stimulated by TFCP2 via a WW-PSY interaction. TFCP2 also maintains YAP stability by inhibiting βTrCP. Notably, genomic co-occupancy of YAP and TFCP2 is revealed. TFCP2 acts as a transcription co-factor that stimulates Y ...[more]

PMID: 29091762

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Immunoprecipitation of YAP - The essential role of YAP O-GlcNAcylation in high-glucose-stimulated liver tumorigenesis

Project description:YAP was immunoprecipitated to detect O-GlcNAcylation status.

2018-10-26 | PXD005992 | Pride

Discovery of immediate YAP target genes with inducible form of YAP

Project description:Microarray analyses with cells/tissues overexpressing YAP have revealed many transcription targets of YAP (Dong et al, 2007; Zhao et al, 2008). However, as YAP induces transformation of non-cancerous cells, we thought many of known targets of YAP may be indirect consequence of transforming property of YAP. To identify the immediate transcription targets for YAP, we utilized immortalized mammary epithelial MCF-10A cells expressing a tamoxifen inducible, hyperactive (S127/381A) YAP mutant (MCF-10A ERT2-YAP 2SA). MCF-10A ERT2 and MCF-10A ERT2-YAP 2SA are generated. Each cell line was treated with 0.1% of ethanol (solvent) or 1uM of 4-hydroxytamoxifen for 2 or 6 hours. This makes 6 samples per set. The experiments were done in duplicate. The expression data from MCF-10A ERT2 and MCF-10A ERT2-YAP 2SA before tamoxifen treatment can serve as control.

2015-11-23 | E-GEOD-60579 | biostudies-arrayexpress

Upregulation of FOXD1 by YAP alleviates senescence and osteoarthritis

Project description:Cell senescence is a driver of various aging-associated disorders including osteoarthritis. Here, we identified a critical role for Yes-associated protein (YAP), a major effector of Hippo signaling, in maintaining a younger state of human mesenchymal stem cells (MSCs) and ameliorating osteoarthritis in mice. Targeted knockout of YAP in hMSCs resulted in premature cellular senescence. Mechanistically, YAP interacted with TEA domain transcriptional factor (TEAD) to activate forkhead box D1 (FOXD1) expression. YAP deficiency led to the downregulation of FOXD1, a geroprotective protein. In turn, overexpression of YAP or FOXD1 rejuvenated aged hMSCs. Moreover, intra-articular administration of lentiviral vectors encoding YAP or FOXD1 attenuated the development of osteoarthritis in mice. Collectively, our findings reveal YAP-FOXD1, a novel aging-associated regulatory axis, as a potential therapeutic target for gene therapy to alleviate osteoarthritis.

2019-02-17 | GSE110268 | GEO

RIP-PEN-SHAPE-MaP for 15.5K-interacted RNAs

Project description:RIP-PEN-SHAPE-MaP for 15.5K-interacted RNAs

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Transcription profiling by array of human MCF10A cells expressing YAP to identify the targets of the YAP oncogene

Project description:YAP is an oncogene and an inducer of Epithelial-to-Mesenchymal Transition (EMT). We used microarrays to detail the global program of gene expression to identify YAP target genes. PUBLICATION ABSTRACT:; The Hippo pathway defines a novel signaling cascade regulating cell proliferation and survival in Drosophila, which involves the negative regulation of the transcriptional coactivator Yorkie by the kinases Hippo and Warts. We have recently shown that the human ortholog of Yorkie, YAP, maps to a minimal amplification locus in mouse and human cancers, and that it mediates dramatic transforming activity in MCF10A primary mammary epithelial cells. Here we show that LATS proteins (mammalian orthologs of Warts) interact directly with YAP in mammalian cells and that ectopic expression of LATS1, but not LATS2, effectively suppresses the YAP phenotypes. Furthermore, shRNA-mediated knockdown of LATS1 phenocopies YAP overexpression. Since this effect can be suppressed by simultaneous YAP knockdown, it suggests that YAP is the primary target of LATS1 in mammalian cells. Expression profiling of genes induced by ectopic expression of YAP or by knockdown of LATS1 reveals a subset of potential Hippo pathway targets implicated in epithelial-to-mesenchymal transition (EMT), suggesting that this is a key feature of YAP signaling in mammalian cells. Experiment Overall Design: MCF10A cells were infected with retrovirus constructs (vector or YAP) and puromycin was used to select for transduced cells. Cells were split and grown to ~60-75%% confluency at which point they were harvested for RNA. Vector vs. YAP comparison was done in duplicate.

2008-06-11 | E-GEOD-10196 | biostudies-arrayexpress

Effect of YAP overexpression on HuCCT1 cholangiocarcinoma cell line transcriptome (YAP overexpression)

Project description:The YAP pathway in regulating organ size by integrating external signals to control the expression of genes involved in cell proliferation. YAP is known to be involved in tumorigenesis in several tissues, yet its role in cholangiocarcinoma is not established We used microarrays to assess the role of YAP pathway in cholangiocarcinoma either by overexpressing a constitutively active YAP1 mutant, or by downregulating YAP1 expression using shRNA HuCCT1 cells where transfected with either an empty vector or a vector overexpressing the constitutively active YAP1 S127A; cells were harvested, RNA was collected and analyzed using microarray

2015-10-27 | E-GEOD-61764 | biostudies-arrayexpress

YAP Inhibition in HCC cells (Hep3B)

Project description:siRNA-mediated inhibition compared to untreated cells and cells transfected with nonsense siRNA. Loss of contact inhibition and anchorage-independent growth are hallmarks of cancer cells. In this context, frequent inactivation of the Hippo pathway and subsequent nuclear enrichment of the transcriptional coactivator yes-associated protein (YAP) uncouple cell proliferation and anti-apoptosis from contact inhibition, associated with uncontrolled tumor growth and tumor cell dissemination. However, general molecular mechanisms of tumor-supporting YAP activity remain unclear. In this study, we show that overexpression and nuclear accumulation of YAP in hepatocytes and hepatocellular carcinoma (HCC) cells leads to an induction of the Notch pathways through transcriptional activation of the Notch ligand jagged-1 (Jag-1). This induction of Jag-1 strictly depends on binding of YAP to TEAD4 and does not rely on WNT/β-catenin pathway activity. Co-activation of YAP, TEAD4, Jag-1, and the Notch target gene Hes-1 was significantly higher in HCC from patients with poor prognosis. High-level expression and nuclear accumulation of YAP correlates with Jag-1/Notch activation not only in human HCC tissues, but also in colon and pancreatic cancer tissues. Thus, our data demonstrate that YAP-driven co-activation of the Jag-1/Notch pathway in part facilitates oncogenic properties of the oncogene YAP not only in HCC but also in different gastrointestinal malignancies. Expression profiling of untreated HCC cell lines (control 1), cells transfected with scrambled/nonsense siRNA (control 2), and after siRNA-mediated YAP inhibition.

2012-11-01 | E-GEOD-35004 | biostudies-arrayexpress

Gene expression data from livers of Yap+/+ and Yap+/- mice at postnatal day 30

Project description:Liver undergoes both size increase and differentiation during postnatal period, which in mice is approximately first 30 days. The mechanisms of simultaneous postnatal liver cell proliferation and maturation are not clear. In these experiments, role of yes associated protein (Yap), the downstream effector of Hippo Kinase signaling pathway was investigated. Total RNA isolated from livers of Yap+/+ and Yap+/- mice at Postnatal day 30. Pooled livers from 5 mice per genotype were used.

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Effect of YAP overexpression on HuCCT1 cholangiocarcinoma cell line transcriptome (shRNA targeting YAP)

Project description:The YAP pathway in regulating organ size by integrating external signals to control the expression of genes involved in cell proliferation. YAP is known to be involved in tumorigenesis in several tissues, yet its role in cholangiocarcinoma is not established We used microarrays to assess the role of YAP pathway in cholangiocarcinoma either by overexpressing a constitutively active YAP1 mutant, or by downregulating YAP1 expression using shRNA HuCCT1 cells where transfected with either a control scrambled shRNA or a shRNA targeting YAP1; cells were harvested, RNA was collected and analyzed using microarray

2015-10-27 | E-GEOD-61765 | biostudies-arrayexpress

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Project description:The transcriptional coactivator Yap promotes proliferation and inhibits apoptosis, suggesting that Yap functions as an oncogene. Most oncogenes, however, require a combination of at least two signals to promote proliferation. Here we present evidence that Yap activation is insufficient to promote growth in the otherwise normal tissue. Using a mosaic mouse model, we demonstrate that Yap overexpression in a fraction of hepatocytes does not lead to their clonal expansion, as proliferation is counterbalanced by increased apoptosis. To shift the activity of Yap towards growth, a second signal provided by tissue damage or inflammation is required. In response to liver injury, Yap drives clonal expansion, suppresses hepatocyte differentiation and promotes a progenitor phenotype. These results suggest that Yap activation is insufficient to promote growth in the absence of a second signal thus coordinating tissue homeostasis and repair. Totally sixteen samples

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