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Cholesterol metabolism: A strategy for overcoming drug resistance in tumors

Jiahui Li1, Yinping Guo1, Wenjie Zhang1

  • 1Clinical Medical Research Center, The First Affiliated Hospital, Hengyang Medical School, University of South China, 421001 Hengyang, Hunan, China; Institute of Cancer Research, The First Affiliated Hospital, Hengyang Medical School, University of South China, 421001 Hengyang, Hunan, China.

Biochemical Pharmacology
|May 10, 2025
PubMed

Insights

Cholesterol buildup in tumors drives drug resistance. Targeting cholesterol metabolism with cholesterol-lowering drugs offers a promising strategy to improve cancer treatment efficacy, especially in breast cancer.

Area of Science:

  • Oncology
  • Cancer Metabolism
  • Drug Resistance

Background:

  • Drug resistance is a major challenge in cancer therapy.
  • Tumor cell cholesterol accumulation contributes to resistance via altered membrane dynamics, drug efflux, and survival pathways.

Purpose of the Study:

  • To review the impact of cholesterol metabolism on tumor drug resistance.
  • To identify therapeutic targets within cholesterol metabolism, focusing on breast cancer.
  • To discuss advances in cholesterol-lowering drugs for cancer treatment.

Main Methods:

  • Literature review of preclinical studies and clinical trials.
  • Analysis of mechanisms linking cholesterol metabolism to drug resistance.
  • Identification of therapeutic targets and emerging drug candidates.

Main Results:

  • Cholesterol accumulation is a key mediator of drug resistance in solid tumors.
  • Targeting cholesterol metabolism enhances sensitivity to existing therapies.
  • Cholesterol-lowering agents show promise in preclinical and clinical settings.

Conclusions:

  • Modulating cholesterol metabolism is a viable strategy to overcome drug resistance.
  • Combination therapies involving cholesterol-lowering agents may improve cancer treatment outcomes.
  • Further research is essential to fully leverage cholesterol metabolism as a therapeutic target.
Keywords:
ABC transporterCholesterol metabolismDrug resistanceLipid raftTumor

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