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Updated: Nov 3, 2025

Impedance-based Real-time Measurement of Cancer Cell Migration and Invasion
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Published on: April 2, 2020

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CDK5 Knockdown inhibits proliferation and induces apoptosis and Cell Cycle Arrest in Human Glioblastoma

Yan Zhou1, Xuan Wang1, Peng Lv1,2

  • 1Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.

Journal of Cancer
|June 7, 2021
PubMed

Insights

Cyclin-dependent kinase 5 (CDK5) is elevated in glioblastoma, a type of malignant brain tumor. Inhibiting CDK5 reduces tumor cell growth and promotes cell death, suggesting CDK5 as a therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Bioinformatics

Background:

  • Gliomas are aggressive brain tumors with poor prognoses.
  • Cyclin-dependent kinase 5 (CDK5) has been implicated in cancer development.
  • Understanding CDK5's role in glioma is crucial for developing new treatments.

Purpose of the Study:

  • To investigate the clinical significance of CDK5 in glioma patients.
  • To evaluate the impact of CDK5 on glioblastoma cell behavior in vitro.

Main Methods:

  • Bioinformatic analysis of The Cancer Genome Atlas (TCGA) database for glioma gene expression and clinical data.
  • Kaplan-Meier survival analysis for prognostic assessment.
  • Gene Set Enrichment Analysis (GSEA) to identify associated biological pathways.
  • In vitro experiments assessing cell proliferation, apoptosis, and cell cycle.

Main Results:

  • CDK5 expression is significantly higher in glioblastoma compared to low-grade glioma (LGG).
  • GSEA revealed associations between high CDK5 expression and specific metabolism-related pathways.
  • In vitro studies demonstrated that CDK5 knockdown inhibits glioblastoma cell proliferation and colony formation, while inducing apoptosis and cell cycle arrest.

Conclusions:

  • CDK5 may serve as a valuable biomarker for glioma progression.
  • Targeting CDK5 presents a promising therapeutic strategy for glioma treatment.
Keywords:
CDK5bioinformatics analysisgene set enrichment analysisgliomametabolism

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