Transcriptomics

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PBAF loss leads to DNA damage induced inflammatory signalling through defective G2/M checkpoint maintenance


ABSTRACT: PBRM1 deficiency in immortalised fibroblast cell line 1BR3-hTERT after ionising radiation treatment leads to more mitotic progression and more formation of micronucleated cells. Here, we performed total RNA-seq in 1BR3-hTERT parental line and PBRM1 knockout clones (PBRM1 KO3&KO5) under untreated (UT) or 48 hr post 6Gy irradiation condition. We found that the annotated DREAM complex target genes are less transcriptionally repressed in the 1BR3-hTERT PBRM1 knockout clones compared to the parental line after ionising radiation treatment. The results confirm our findings that PBRM1 deficiency leads to delayed p21 induction and delayed p130 hypo-phosphorylation, which leads to defective DREAM target gene repression and misregulated G2/M progression after ionising radiation treatment.

ORGANISM(S): Homo sapiens

PROVIDER: GSE183688 | GEO | 2022/09/07

REPOSITORIES: GEO

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