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Small molecule CDS-3078 induces G2/M phase arrest and mitochondria-mediated apoptosis in HeLa cells

Yuanxin Zhang1, Pengcheng Li1, Jiamin Rong1

  • 1College of Biology and Food Engineering, Jilin Institute of Chemical Technology, Jilin, Jilin 132022, P.R. China.

Experimental and Therapeutic Medicine
|November 19, 2020
PubMed

Insights

The novel compound CDS-3078 activates the tumor suppressor p53, inducing cell cycle arrest and apoptosis in cervical cancer cells. This suggests CDS-3078 is a potential anticancer agent.

Area of Science:

  • Molecular Biology
  • Cancer Research
  • Pharmacology

Background:

  • The tumor suppressor p53 is crucial for cell cycle arrest and apoptosis.
  • p53 activation enhances cancer cell sensitivity to therapies.
  • Cervical cancer remains a significant global health concern.

Purpose of the Study:

  • To investigate the effect of the small molecule CDS-3078 on p53 expression and function.
  • To determine the mechanism by which CDS-3078 induces cell death in cancer cells.

Main Methods:

  • Treatment of HeLa cells (p53+/+) with varying doses of CDS-3078.
  • Analysis of p53 mRNA and protein expression levels.
  • Assessment of downstream target gene activation.
  • Evaluation of mitochondrial function (Bcl-2, BAX, cytochrome c release).
  • Cell cycle analysis (G2/M phase arrest).

Main Results:

  • CDS-3078 significantly increased p53 mRNA and protein expression in a dose-dependent manner.
  • CDS-3078 treatment led to p53-mediated activation of target genes.
  • Mitochondrial dysfunction was observed, including decreased Bcl-2 and increased BAX and cytochrome c release.
  • CDS-3078 induced G2/M phase cell cycle arrest.

Conclusions:

  • CDS-3078 induces apoptosis in cervical cancer cells through p53-mediated cell cycle arrest and mitochondrial dysfunction.
  • CDS-3078 demonstrates potential as an anticancer therapeutic agent.
Keywords:
G2/M arrestHeLa cellsapoptosisp53small-molecule

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