Relationship between ferroptosis and mitophagy in cardiac ischemia reperfusion injury: a mini-review

Cuihua Liu1, Zunjiang Li2, Botao Li1

  • 1Third-Grade Pharmacological Laboratory on Traditional Chinese Medicine, State Administration of Traditional Chinese Medicine, Medical College, China Three Gorges University, Yichang, Hubei Province, China.

Peerj
|March 20, 2023
PubMed

Insights

Myocardial ischemia reperfusion injury (MIRI) involves ferroptosis and mitophagy. Understanding their relationship, particularly via mTOR, NLRP3, and HIF, can improve MIRI treatments and drug development.

Area of Science:

  • Cardiovascular research
  • Cellular mechanisms of injury

Background:

  • Cardiovascular diseases (CVD) pose significant global health challenges.
  • Reperfusion therapy for conditions like myocardial infarction can paradoxically cause myocardial ischemia reperfusion injury (MIRI).
  • MIRI's pathological processes include ferroptosis and mitophagy, both linked to reactive oxygen species (ROS).

Approach:

  • This review examines the intricate relationship between ferroptosis and mitophagy, two key cellular processes implicated in MIRI.
  • The roles of key regulators, including mTOR, NLRP3, and HIF, in mediating ferroptosis and mitophagy during MIRI are analyzed.
  • The potential for simultaneous regulation of both ferroptosis and mitophagy as a superior therapeutic approach for MIRI is discussed.

Key Points:

  • Ferroptosis, a form of regulated cell death, exacerbates MIRI, while mitophagy, a cellular self-cleaning process, can alleviate MIRI.
  • Both ferroptosis and mitophagy are linked to reactive oxygen species (ROS), but their precise interplay in MIRI remains incompletely understood.
  • The study highlights mTOR, NLRP3, and HIF as critical nodes influencing both ferroptosis and mitophagy in the context of MIRI.

Conclusions:

  • Understanding the interplay between ferroptosis and mitophagy is crucial for advancing MIRI treatment.
  • Targeting both ferroptosis and mitophagy presents a promising therapeutic avenue for MIRI.
  • Further research into drugs modulating these pathways could lead to novel MIRI therapies.