Emerging role of tumor microenvironmental nutrients and metabolic molecules in ferroptosis: Mechanisms and clinical

Dongyu Li1, Zhe Zhang2, Lei Wang3

  • 1Department of VIP In-Patient Ward, The First Hospital of China Medical University, Shenyang, Liaoning 110001, China.

Insights

Ferroptosis, a cell death pathway, is crucial in cancer. Understanding how the tumor microenvironment influences ferroptosis resistance is key to improving cancer treatment and drug sensitivity.

Area of Science:

  • Oncology
  • Cell Biology
  • Cancer Research

Background:

  • Ferroptosis is a regulated cell death pathway increasingly recognized for its role in cancer.
  • Ferroptosis resistance contributes significantly to tumor metastasis, recurrence, and therapeutic drug resistance.
  • Targeting ferroptosis mechanisms is a critical strategy for inhibiting tumor progression and enhancing drug sensitivity.

Purpose of the Study:

  • To review the characteristics of the tumor microenvironment (TME).
  • To summarize the mechanisms of ferroptosis induction and resistance under various TME factors.
  • To explore novel therapeutic strategies for sensitizing tumor cells to anticancer drugs via ferroptosis modulation.

Main Methods:

  • Literature review focusing on ferroptosis and the tumor microenvironment.
  • Analysis of environmental factors within the TME (e.g., hypoxia, lactic acid) and their impact on ferroptosis.
  • Examination of ferroptosis mechanisms in the context of anticancer drug action.

Main Results:

  • The TME significantly influences tumor cell biological functions, including ferroptosis.
  • Abnormal TME characteristics like hypoxia and lactic acid accumulation are linked to ferroptosis resistance.
  • Anticancer drugs can interact with TME components to affect ferroptosis.

Conclusions:

  • Understanding TME-mediated ferroptosis is essential for developing effective cancer therapies.
  • Targeting ferroptosis pathways within the TME offers promising strategies for overcoming drug resistance and improving patient outcomes.
  • Further research into the interplay between the TME, ferroptosis, and drug response is warranted.

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