Role of APC-mediated MDR-1/CLCX-1 signaling pathway in ovarian tumors

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Y Wang1, C Cao1, D Fang1

  • 1Department of Gynecology, Maternal and Child Health Care Hospital, Laiwu City, Shandong Province, China.

Journal of Biological Regulators and Homeostatic Agents
|June 21, 2018
PubMed

Insights

The Adenomatous Polyposis Coli (APC) gene is linked to ovarian tumors. Its reduced expression increases MDR-1/CLCX-1 signaling, decreasing tumor cell apoptosis.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Signaling Pathways

Background:

  • The Adenomatous Polyposis Coli (APC) gene plays a crucial role in cellular processes.
  • Dysregulation of signaling pathways is implicated in ovarian tumor development.
  • The MDR-1/CLCX-1 signaling pathway's role in ovarian cancer requires further elucidation.

Purpose of the Study:

  • To investigate the role of the APC gene in ovarian tumors.
  • To explore the involvement of the MDR-1/CLCX-1 signaling pathway in APC-mediated ovarian cancer progression.
  • To determine the impact of APC gene modulation on ovarian tumor cell apoptosis and proliferation.

Main Methods:

  • Utilized human ovarian tumor cell lines (SKOV-3, ES-2, MCV-152).
  • Employed fluorescence quantitative PCR and Western-blotting to assess gene and protein expression.
  • Applied flow cytometry to evaluate the effects of APC gene silencing and overexpression on cell apoptosis and proliferation.

Main Results:

  • APC gene mRNA and protein levels were significantly decreased in ovarian tumor cells compared to normal cells.
  • MDR-1/CLCX-1 related protein levels were significantly increased in ovarian tumor cells.
  • APC gene silencing led to increased MDR-1/CLCX-1 expression and decreased apoptosis, while APC overexpression showed the opposite effects.

Conclusions:

  • A significant correlation exists between the APC gene and ovarian tumors.
  • The APC gene mediates ovarian tumor cell apoptosis via the MDR-1/CLCX-1 signaling pathway.
  • Modulating APC gene expression offers a potential therapeutic strategy for ovarian cancer by influencing tumor cell apoptosis.

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