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CADM2 inhibits human glioma proliferation, migration and invasion

Nan Liu1, Chen Yang2, Wansheng Bai3

  • 1Department of Experimental Surgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710038, P.R. China.

Oncology Reports
|March 1, 2019
PubMed

Insights

Cell adhesion molecule 2 (CADM2) is downregulated in human glioma. Overexpressing CADM2 inhibits glioma cell proliferation, migration, and invasion by regulating the cell cycle and epithelial-mesenchymal transition (EMT).

Area of Science:

  • Neuro-oncology
  • Molecular Biology
  • Cell Biology

Background:

  • Malignant glioma is a prevalent brain tumor with a poor prognosis.
  • Cell adhesion molecules (CADMs) are implicated in tumor suppression.
  • The specific role of CADM2 in human glioma remains unclear.

Purpose of the Study:

  • To investigate the expression and function of CADM2 in human glioma.
  • To elucidate the mechanisms by which CADM2 affects glioma progression.

Main Methods:

  • Quantitative analysis of CADM2 expression in glioma tissues and cell lines.
  • In vitro and in vivo studies of CADM2 overexpression effects on glioma cells.
  • Analysis of cell cycle regulators and epithelial-mesenchymal transition (EMT) markers.

Main Results:

  • CADM2 expression is significantly downregulated in human glioma tissues and cell lines, particularly in high-grade gliomas.
  • CADM2 overexpression suppressed glioma cell proliferation, migration, and invasion.
  • CADM2 regulated key cell cycle proteins (cyclin D1, E, CDK2, CDK4) and EMT markers (E-cadherin, β-catenin).

Conclusions:

  • CADM2 inhibits glioma tumorigenesis through regulation of the cell cycle and EMT.
  • CADM2 represents a potential novel therapeutic target for human glioma.

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