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Pseudogene PA2G4P4 promotes oncogene PA2G4 expression and nuclear translocation to affect glioblastoma cell viability

Xiaofeng Hou1, Wenhai Tang2

  • 1Department of Neurosurgery, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou 014010, China.

Life Sciences
|November 21, 2020
PubMed

Insights

Pseudogene PA2G4P4 promotes glioblastoma (GBM) progression by increasing oncogene PA2G4 expression and nuclear translocation. This impacts GBM cell viability and apoptosis, highlighting PA2G4P4 as a potential therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Pseudogene dysregulation is implicated in cancer development.
  • PA2G4P4 has an oncogenic role in bladder cancer.
  • Glioblastoma (GBM) is an aggressive brain tumor where pseudogene roles are under investigation.

Purpose of the Study:

  • To investigate the role and mechanism of PA2G4P4 in GBM progression.
  • To determine the relationship between PA2G4P4 and PA2G4 in GBM.
  • To assess the impact of PA2G4P4 on GBM cell behavior.

Main Methods:

  • Analysis of PA2G4P4 and PA2G4 expression in GBM tissues using the GEPIA database.
  • Assessment of GBM cell viability, apoptosis, and caspase activity via CCK-8, flow cytometry, and activity assay kits.
  • Gene knockdown and overexpression experiments to elucidate functional mechanisms.

Main Results:

  • PA2G4P4 and PA2G4 were found to be upregulated in GBM tissues and cells.
  • Knockdown of PA2G4P4 or PA2G4 inhibited GBM cell viability and induced apoptosis.
  • PA2G4P4 knockdown reduced PA2G4 expression and nuclear translocation; PA2G4 overexpression rescued PA2G4P4 knockdown effects.

Conclusions:

  • Pseudogene PA2G4P4 promotes GBM progression by enhancing oncogene PA2G4 expression and nuclear translocation.
  • PA2G4P4 influences GBM cell viability and apoptosis.
  • PA2G4P4 represents a potential therapeutic target for glioblastoma.
Keywords:
GlioblastomaNuclear translocationPA2G4PA2G4P4

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