Mechanism of ferroptosis resistance in cancer cells

Yuan Wang1,2, Guifang Yu1, Xin Chen1,2

  • 1Key Laboratory of Biological Targeting Diagnosis, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Disease, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, Guangdong, China.

Insights

Ferroptosis, an iron-dependent cell death, shows promise against cancer but faces resistance. Understanding resistance mechanisms is key to developing effective ferroptosis-based cancer therapies.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Oncology

Background:

  • Ferroptosis is a regulated cell death pathway driven by iron accumulation and lipid peroxidation.
  • Inducing ferroptosis is a promising strategy for cancer treatment, showing potential against various malignancies.
  • Tumor resistance, both intrinsic and acquired, limits the efficacy of ferroptosis-based therapies.

Purpose of the Study:

  • To review mechanisms regulating ferroptosis sensitivity and resistance in cancer.
  • To summarize the therapeutic applications of ferroptosis inducers in oncology.
  • To explore signaling pathways contributing to ferroptosis resistance.

Main Methods:

  • Literature review of ferroptosis mechanisms and therapeutic strategies.
  • Analysis of signaling pathways involved in ferroptosis regulation and resistance.
  • Synthesis of current knowledge on overcoming ferroptosis resistance in cancer.

Main Results:

  • Ferroptosis sensitivity is modulated by lipid peroxidation, iron metabolism, and antioxidant pathways.
  • Key pathways contributing to ferroptosis resistance include glutathione (GSH), coenzyme Q (CoQ), NRF2 antioxidant response, and altered lipid/iron metabolism.
  • Diverse signaling pathways significantly influence cancer cell susceptibility or resistance to ferroptosis.

Conclusions:

  • Understanding the molecular basis of ferroptosis resistance is crucial for advancing cancer therapy.
  • Targeting resistance mechanisms offers a pathway to enhance the efficacy of ferroptosis inducers.
  • This review provides a foundation for developing novel anticancer strategies to overcome ferroptosis resistance.

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