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Published on: April 2, 2020

Antisense and dominant-negative AKT2 cDNA inhibits glioma cell invasion

Peiyu Pu1, Chunsheng Kang, Jie Li

  • 1Department of Neurosurgery, Tianjin Medical University General Hospital, Laboratory of Neurooncology, Tianjin Neurological Institute, Tianjin, People's Republic of China. peiyupu@aol.com

Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine
|November 24, 2004
PubMed

Insights

The study shows that AKT2 (a protein kinase) is crucial for glioma cell invasion and motility. Inhibiting AKT2 may offer a new therapeutic strategy to control glioma progression.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • Glioblastoma (GBM) is an aggressive brain tumor with high invasion rates.
  • The serine/threonine kinase AKT2 is implicated in various cancers, but its specific role in glioma invasion requires further elucidation.

Purpose of the Study:

  • To investigate the role of AKT2 in regulating glioma cell invasion and motility.
  • To assess the impact of AKT2 inhibition on matrix metalloproteinase (MMP) secretion.

Main Methods:

  • Rat C6 glioma cells were transfected with dominant-negative AKT2 (DN-AKT2) or antisense AKT2 (AS-AKT2) constructs.
  • Cell migration and invasion were assessed using spheroid culture, scratch assays, and Transwell invasion assays.
  • Matrix metalloproteinases (MMPs) MMP2 and MMP9 secretion was analyzed by gelatin zymography.

Main Results:

  • AS-AKT2 transfection successfully inhibited AKT2 expression, while DN-AKT2 did not significantly alter expression levels.
  • Both DN-AKT2 and AS-AKT2 treatments significantly reduced glioma cell migration and invasion.
  • The secretion of MMP2 and MMP9 was notably inhibited in transfected cells.

Conclusions:

  • AKT2 plays a significant role in promoting glioma cell motility and invasion.
  • Targeting AKT2 could be a potential therapeutic strategy to complement existing treatments for glioblastoma.

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