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GSE95461 DNA methylation signature defines genes modulated by stromal cell contents of human breast tumors RNA-seq

Contributors : Pauline Mathot ; M élodie Grandin ; Guillaume Devailly ; Frédérique Souaze ; Vincent Cahais ; Sebastian Moran ; Mario Campone ; Zdenko Herceg ; Manel Esteller ; Philippe Juin ; Patrick Mehlen ; Robert DanteSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensUsing genome-wide approaches, we have identified groups of genes modulated by CAF-secreted factors from human breast cancer cell lines grown in different CAF-conditioned medium. The genes modulated by CAF secreted factors were characterized by a specific DNA methylation pattern: hypermethylation at transcription start site (TSS) and shore regions. Approximately 60% of them exhibited a methylation-dependent expression level and 20% of them were also dependent on the methyl-CpG-binding protein domain 2. Thus, these specific DNA methylation patterns were linked to an epigenetic control of their expression, upon CAF-secreted factors. We have therefore identified some molecular events defining the responsiveness of groups of genes to stromal cell contents in human breast tumors.
Source: GEO: Gene Expression Omnibus - Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Homo sapiens Source Type: research

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