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KDM5C is transcriptionally regulated by BRD4 and promotes castration-resistance prostate cancer cell proliferation by repressing PTEN.

08:00 EDT 25th March 2019 | BioPortfolio

Summary of "KDM5C is transcriptionally regulated by BRD4 and promotes castration-resistance prostate cancer cell proliferation by repressing PTEN."

Prostate cancer (PCa) is one of the leading causes of cancer-related death worldwide, and it is almost incurable once it has developed into castration-resistance prostate cancer (CRPC). However, the mechanisms underlying the oncogenesis of PCa and CRPC remain elusive. Lysine-specific histone demethylase 5C (KDM5C) is an important member of lysine demethylase family and has recently been found highly expressed in multiple cancer types. In this study, we reported that KDM5C was highly expressed in PCa and CRPC specimens, and the high expression promoted CRPC cell proliferation through repressing phosphatase and tensin homolog (PTEN) gene epigenetically. Moreover, KDM5C was transcriptionally upregulated by bromodomain-containing protein 4 (BRD4), and knockdown KDM5C sensitized the therapeutic effects of CRPC cells to the bromodomain and extraterminal (BET) inhibitor. Taken together, our study uncovers that the BRD4-KDM5C-PTEN may be a new oncogenic pathway in CRPC development, and KDM5C is a critical protein and could be an ideal target for CRPC treatment in this oncogenic pathway.

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This article was published in the following journal.

Name: Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
ISSN: 1950-6007
Pages: 108793

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