Transcriptomics

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Expression profiling of Ewing sarcoma samples


ABSTRACT: Expression profiling of Ewing sarcoma samples in the frame of the CIT program from the french Ligue Nationale Contre le Cancer (http://cit.ligue-cancer.net). STAG2 loss-of-function mutation is the most frequent secondary genetic alteration in Ewing sarcoma, an aggressive bone tumor driven by the chimeric EWSR1-FLI1 transcription factor. STAG2 encodes an integral member of the cohesin complex, a ring-shaped multi-protein structure, which is essential to shape the architecture and expression of the genome with CTCF. Combining this cohort with our previously published series (GSE34620), we show that a signature of commonly downregulated genes upon STAG2 mutation in A673 and TC71 and linked to at least one EWSR1-FLI1 bound GGAA microsatellite enhancer chain element inferred form H3K27ac HiChIP predict poor overall survival in Ewing sarcoma patients.

ORGANISM(S): Homo sapiens

PROVIDER: GSE142162 | GEO | 2021/04/29

REPOSITORIES: GEO

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