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Danusertib Induces Apoptosis, Cell Cycle Arrest, and Autophagy but Inhibits Epithelial to Mesenchymal Transition

Dan Zi1,2, Zhi-Wei Zhou3, Ying-Jie Yang4,5

  • 1Department of Obstetrics and Gynecology, Affiliated Hospital of Guizhou Medical University, Guiyang 550004, China. danzi@health.usf.edu.

International Journal of Molecular Sciences
|November 19, 2015
PubMed

Insights

Danusertib effectively targets ovarian carcinoma by inhibiting cell proliferation and inducing apoptosis and autophagy. This Aurora kinase inhibitor also suppresses epithelial-mesenchymal transition, offering a potential therapeutic strategy for ovarian cancer.

Area of Science:

  • Gynecologic Oncology
  • Cancer Cell Biology
  • Pharmacology

Background:

  • Ovarian carcinoma (OC) presents a significant challenge due to poor prognosis in advanced stages.
  • Danusertib (Danu), a pan-Aurora kinase inhibitor, has an unclear role in OC treatment.
  • Understanding Danu's mechanisms is crucial for developing effective ovarian cancer therapies.

Purpose of the Study:

  • To evaluate the anticancer effects of Danusertib in human OC cell lines.
  • To elucidate the underlying mechanisms of Danusertib's action, including effects on proliferation, cell cycle, apoptosis, autophagy, and EMT.
  • To investigate the role of the PI3K/Akt/mTOR pathway in Danusertib's effects.

Main Methods:

  • Treatment of human OC cell lines (C13 and A2780cp) with Danusertib.
  • Assessment of cell proliferation, cell cycle progression, apoptosis, and autophagy.
  • Analysis of epithelial-to-mesenchymal transition (EMT) markers.
  • Evaluation of PI3K/Akt/mTOR signaling pathway activation.

Main Results:

  • Danusertib significantly inhibited proliferation, induced apoptosis and autophagy, and suppressed EMT in OC cells.
  • Danusertib caused G₂/M cell cycle arrest and polyploidy accumulation.
  • Danusertib suppressed the PI3K/Akt/mTOR pathway, contributing to autophagy induction.
  • Danusertib demonstrated dose- and time-dependent effects on apoptosis and autophagy.

Conclusions:

  • Danusertib exhibits potent anticancer activity in ovarian carcinoma cells by inducing cell cycle arrest, apoptosis, and autophagy.
  • Danusertib effectively inhibits EMT, a key process in cancer progression and metastasis.
  • The PI3K/Akt/mTOR pathway is partially involved in Danusertib's cancer cell-killing effects.
  • Danusertib presents a promising therapeutic candidate for ovarian cancer treatment.
Keywords:
apoptosisautophagycell cycledanusertibepithelial to mesenchymal transitionovarian cancer

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