Nanomedicine targeting ferroptosis to overcome anticancer therapeutic resistance

Jing Cai1,2, Xiaoding Xu1,2, Phei Er Saw3,4

  • 1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China.

Science China. Life Sciences
|September 20, 2023
PubMed

Insights

Tumor treatment resistance is a major obstacle, but ferroptosis (iron-dependent cell death) offers new therapeutic strategies. Ferroptosis nanoinducers show promise in overcoming resistance and enhancing tumor therapy effectiveness.

Area of Science:

  • Oncology
  • Nanomedicine
  • Biochemistry

Background:

  • Treatment resistance is a significant challenge in chemotherapy, radiotherapy, and immunotherapy, leading to tumor recurrence and metastasis.
  • Mechanisms of resistance include inhibited cell death, drug resistance, DNA repair, and altered tumor microenvironments.
  • Ferroptosis, a form of regulated cell death dependent on iron and lipid peroxidation, has emerged as a key factor in therapy resistance.

Purpose of the Study:

  • To detail the design, mechanism, and therapeutic applications of ferroptosis-mediated synergistic tumor therapeutics.
  • To explore the role of ferroptosis in overcoming treatment resistance.
  • To discuss the potential of nanomedicine in conjunction with ferroptosis regulation for combination cancer therapy.

Main Methods:

  • Review of recent studies on ferroptosis inducers and their role in therapy resistance.
  • Analysis of ferroptosis nanoinducers' mechanisms, including direct ferroptosis induction and feedback regulation.
  • Discussion of synergistic therapeutic strategies combining ferroptosis with clinical treatments.

Main Results:

  • Ferroptosis plays a critical role in tumor therapy resistance.
  • Ferroptosis inducers, particularly nanoinducers, can reverse resistance by triggering cell death and feedback regulation.
  • Combination therapies utilizing ferroptosis inducers show enhanced anti-tumor effects.

Conclusions:

  • Ferroptosis-mediated synergistic therapeutics offer a promising approach to combat tumor treatment resistance.
  • Nanomedicine strategies targeting ferroptosis hold significant potential for improving cancer treatment outcomes.
  • Further research into ferroptosis regulation and combination therapies is crucial for clinical translation.

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