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ChIP-chip from human liver cancer cells with HIF-2a

ABSTRACT: The transcription factor HIF-2a play an important role in the tumor progress, the aim is to explore the target genes of HIF-2a in liver cancer cell line. Chromatin immunoprecipitation (ChIP) of HIF-2a together with chromatin profiling by ChIP-on-chip analysis demonstrated that HIF-2a directly activates many target genes.

ORGANISM(S): Homo sapiens

PROVIDER: GSE37167 | GEO | 2012/04/12

SECONDARY ACCESSION(S): PRJNA158991

REPOSITORIES: GEO

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ChIP-chip from human liver cancer cells with HIF-2a

Project description:The transcription factor HIF-2a play an important role in the tumor progress, the aim is to explore the target genes of HIF-2a in liver cancer cell line. Chromatin immunoprecipitation (ChIP) of HIF-2a together with chromatin profiling by ChIP-on-chip analysis demonstrated that HIF-2a directly activates many target genes. Analyze the target genes in a liver cancer cell line MHCC97H

2012-04-11 | E-GEOD-37167 | biostudies-arrayexpress

Identification of hypoxia regulated HIF-1A and HIF-2A specific target genes in Glioblastoma

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Project description:HIF-1a and HIF-2a are expressed at high levels in mesenchymal progenitors compared to more committed mesenchymal cells and hematopoietic cells. HIF-factors could therefore have a role in the regulation the biology of mesenchymal progenitors and their functions, like the non cell-autonomous maintenance of hematopoietic progenitors. We used microarrays to detail the global program of gene expression regulated by HIF-1a or HIF-2a in mesenchymal progenitors Mesenchymal progenitors were FACS-sorted and cultured in low oxygen concentration for few days. Once cells started to form CFU-F colonies, we transduced them with shRNAs targeting specifically HIF-1a or HIF-2a. Four days after transduction, cells were collected and RNA extracted for microarray analysis.

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Cancer associated HIF-2a governs trunk neural crest stemness

Project description:We report that cancer associated protein HIF-2a is expressed in trunk neural crest neuroblastoma precursor cells in the developing embryo in three different species; human, mouse and avian. Dysregulation of HIF-2a leads to alterations in embryonic development, and neural crest cell migration, proliferation and self-renewal capacity. With RNAsequencing we report that alterations of HIF-2a expression affects the global transcriptome and that gene ontology enrich for the same processes observed in vivo.

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