Mechanistic Study of Inhibitory Effects of Atorvastatin and Docetaxel in Combination on Prostate Cancer

Xuan Chen1, Yue Liu2, Jian Wu3

  • 1Laboratory of Natural Medicinal Chemistry & Green Chemistry, Guangdong University of Technology, Guangzhou, P.R. China Susan Lehman Cullman Laboratory for Cancer Research, Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ, U.S.A.

Abstract

Insights

Cholesterol increases prostate cancer cell resistance to docetaxel. Combining docetaxel with atorvastatin effectively inhibits cancer cell growth and induces apoptosis, offering a potential treatment strategy.

Area of Science:

  • Oncology
  • Pharmacology

Background:

  • Cholesterol metabolism influences cancer cell behavior.
  • Docetaxel is a standard chemotherapy for prostate cancer.
  • Atorvastatin is a cholesterol-lowering drug with potential anticancer effects.

Purpose of the Study:

  • To investigate the effects of docetaxel and atorvastatin on prostate cancer cells.
  • To elucidate the mechanisms underlying their combined action.
  • To assess the impact of cholesterol on docetaxel sensitivity.

Main Methods:

  • Prostate cancer cell line (PC-3) was used.
  • Cell viability and apoptosis were assessed.
  • Western blot and luciferase assays were employed to analyze molecular pathways.

Main Results:

  • Cholesterol pre-treatment enhanced docetaxel resistance in PC-3 cells.
  • Combination therapy potently inhibited cell growth and induced apoptosis.
  • Mechanisms involved decreased Bcl-2, VEGF, phospho-Akt, and phospho-Erk1/2 levels.

Conclusions:

  • Cholesterol reduces prostate cancer cell sensitivity to docetaxel.
  • Docetaxel combined with atorvastatin shows promise for prostate cancer treatment.
  • Targeting cholesterol may enhance chemotherapy efficacy.

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