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CADM1 inhibits ovarian cancer cell proliferation and migration by potentially regulating the PI3K/Akt/mTOR pathway

Xiaoqiang Si1, Feixue Xu2, Feihua Xu3

  • 1Department of Plastic Surgery, The Gansu Provincial Hospital, Lanzhou, Gansu 730000, PR China.

Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie
|December 23, 2019
PubMed

Insights

Cell adhesion molecule 1 (CADM1) acts as a tumor suppressor in ovarian cancer. Its downregulation promotes cancer growth and spread, while upregulation inhibits these processes via the PI3K/Akt/mTOR pathway.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • Cell adhesion molecule 1 (CADM1) is a known tumor suppressor in various solid tumors, often inactivated.
  • Its specific role and regulatory mechanisms in ovarian cancer remain incompletely understood.

Purpose of the Study:

  • To investigate the expression patterns of CADM1 in ovarian cancer.
  • To elucidate the functional mechanisms underlying CADM1's tumor suppressor activity in ovarian cancer cells.

Main Methods:

  • Generation of ovarian cancer cell lines with stable CADM1 upregulation or downregulation.
  • Assessment of CADM1 expression levels in ovarian cancer tissues and cell lines.
  • Functional assays evaluating cell growth, migration, and invasion.
  • Analysis of signaling pathway involvement, specifically PI3K/Akt/mTOR.

Main Results:

  • CADM1 expression is significantly reduced in ovarian cancer tissues and cell lines.
  • Knockdown of CADM1 enhances ovarian cancer cell proliferation, migration, and invasion.
  • Overexpression of CADM1 suppresses ovarian cancer cell migration and invasion.
  • CADM1's inhibitory effects are linked to the PI3K/Akt/mTOR signaling pathway.

Conclusions:

  • CADM1 functions as a tumor suppressor in ovarian cancer by inhibiting cell proliferation and migration.
  • CADM1 exerts its effects potentially through the regulation of the PI3K/Akt/mTOR signaling pathway.
  • CADM1 represents a potential therapeutic target for ovarian cancer treatment.
Keywords:
Cell adhesion molecule 1InvasionMigrationOvarian cancerPI3K/Akt/mTOR

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