Ferroptosis: a novel perspective on tumor immunotherapy

Area of Science:

• Oncology
• Immunology
• Cell Biology

Background:

• Ferroptosis is a novel form of programmed cell death.
• It is characterized by iron-dependent accumulation of reactive oxygen species (ROS) and lipid peroxidation.
• Ferroptosis is intricately linked to iron and lipid metabolism, which are also crucial for immune cell function.

Purpose of the Study:

• To delineate ferroptosis signaling pathways and metabolic processes in immune cells.
• To summarize the roles of ferroptosis in tumor-infiltrating immune cells.
• To explore the potential of ferroptosis in cancer immunotherapy.

Main Methods:

• Review of existing literature on ferroptosis, iron metabolism, lipid metabolism, and cancer immunology.
• Analysis of the interplay between ferroptosis and immune cells within the tumor microenvironment.
• Synthesis of current understanding of ferroptosis inducers and their impact on immunotherapy.

Main Results:

• Ferroptosis potentiates tumor cell immunogenicity and interacts with immune cells.
• Ferroptosis inducers can enhance immunotherapy efficacy by modulating the tumor immune microenvironment.
• Ferroptosis plays a significant role in the function of tumor-infiltrating immune cells.

Conclusions:

• Ferroptosis holds immense potential as a novel therapeutic target in cancer immunotherapy.
• Further elucidation of ferroptosis mechanisms in immunotherapy is anticipated.
• Targeting ferroptosis in conjunction with immunotherapy is expected to be applied in clinical oncology.