Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA345173 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR4340400.fastq.gz | Fastqsanger.gz | |||
| SRR4340391.fastq.gz | Fastqsanger.gz | |||
| SRR4340392.fastq.gz | Fastqsanger.gz | |||
| SRR4340393.fastq.gz | Fastqsanger.gz | |||
| SRR4340394.fastq.gz | Fastqsanger.gz |
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Project description:Transcriptome profiling of human umbilical vein endothelial cells (HUVECs) overexpressing constitutively nuclear YAP (YAP S127A), TAZ (TAZ S89A) or TEAD-binding deficient YAP (YAP S94A/S127A) or TAZ (TAZ S51A/S89A) to identify YAP and TAZ target genes.
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Project description:Identification of YAP target genes in MCF10A cells
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Project description:Endothelial cell is the major cell type that senses and transduces mechanosignal generated by shear stress. We have recently shown that Hippo/YAP pathway is a mechanosensitive pathway that is critical for maintaining endothelial cell homeostasis. However, the transcritpional targets and biological functions of YAP in endothelial cells remain largely unknown. To evaluate YAP-dependent gene expression in endothelial cells, we performed RNA-sequencing in YAP depleted (by transfection with by YAP siRNA) and overexpressed (by infection with YAP-S127A catalytically active adenovirus) human endothelial cells. We observed that YAP critically regulates endothelial function by modulating multiple atherosclerosis-related genes. Our study provides mechanistic insights into the question how YAP regulates endothelial function and atherosclerosis by modulating endothelial transcriptional profile.
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Project description:Transcriptional regulation by YAP/TAZ in human endothelial cells
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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
Project description:Epigenetic remodeling is essential for oncogene-induced cellular transformation and malignancy. In contrast to histone posttranslational modification, how oncogenic signaling remodels DNA methylation remains poorly understood. The oncoprotein YAP, a coactivator of the TEAD transcription factors mediating Hippo signaling, is widely activated in human cancer. Here we identify the 5-methylcytosine dioxygenase TET1 as a direct YAP target and a master regulator that coordinates the genome-wide epigenetic and transcriptional reprogramming of YAP target genes in the liver. YAP activation induces the expression of TET1, which physically interacts with TEAD to cause regional DNA demethylation, histone H3K27 acetylation and chromatin opening in YAP target genes to facilitate transcriptional activation. Loss of TET1 not only reverses YAP-induced epigenetic and transcriptional changes but also suppresses YAP-induced hepatomegaly and tumorigenesis. These findings exemplify how oncogenic signaling regulates site specificity of DNA demethylation to promote tumorigenesis and implicate TET1 as a potential target for modulating YAP signaling in physiology and diseases.
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Project description:Discovery of immediate YAP target genes with inducible form of YAP
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Project description:ChIP-Seq profiling using human umbilical vein endothelial cells (HUVECs) to identify endogenous YAP, TAZ and TEAD1 DNA binding sites.
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