CDK10 functions as a tumor suppressor gene and regulates survivability of biliary tract cancer cells

Cyclin-dependent kinase 10 (CDK10) is a member of the Cdc2 family of kinases, and has been demonstrated to be an important determinant of resistance to endocrine therapy for breast cancer. To investigate the expression and possible function of CDK10 in biliary tract cancer (BTC), we systematically examined CDK10 in tissues and cell lines. We found that expression of CDK10 was downregulated in both biliary tract tumors and cell lines. Remarkably, the expression of CDK10 correlated with clinical characteristics. Overexpression or knockdown of CDK10, respectively, inhibited or promoted cell proliferation, colony formation and migration. This suggests that CDK10 functions as a tumor suppressor gene in BTC. Overexpression of CDK10 caused malignant cells to become sensitive to chemotherapy and other hostile environments, suggesting that CDK10 functions to regulate survivability of BTC cells. We investigated the expression of six genes to resolve the mechanism. c-RAF was negatively regulated by CDK10 in both cells and specimens. Our results indicate that CDK10 plays a crucial role in the growth and survivability of biliary tract cancer, and offers a potential therapeutic target for this fatal disease.

• Publication year

  2011

• Venue

  Oncology Report

• Publication date

  2011-12-30

• Fields of study

  Biology, Medicine

• Identifiers
  DOI 10.3892/or.2011.1617PMID 22209942PMCID 3583593
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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