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Role of Mitophagy in Myocardial Ischemia/Reperfusion Injury and Chinese Medicine Treatment

Jun-Yan Xia1, Cong Chen2, Qian Lin2

  • 1Department of Cardiology, Dongfang Hospital, the Second Affiliated Hospital of Beijing University of Chinese Medicine, Beijing, 100078, China.

Chinese Journal of Integrative Medicine
|November 3, 2021
PubMed

Insights

Mitophagy, the removal of damaged mitochondria, is crucial for preventing myocardial ischemia/reperfusion injury (MIRI). Balancing mitophagy is key, as excessive removal can harm cell survival and energy production.

Area of Science:

  • Cardiovascular Research
  • Cellular Biology
  • Mitochondrial Dynamics

Background:

  • Myocardial ischemia/reperfusion injury (MIRI) presents a significant clinical challenge.
  • Mitophagy, a selective form of autophagy, plays a dual role in MIRI.
  • Dysfunctional mitochondria removal is critical, but excessive mitophagy can be detrimental.

Purpose of the Study:

  • To review current mitophagy pathways involved in MIRI.
  • To analyze the relationship between mitophagy and MIRI.
  • To explore the potential of Chinese medicine in MIRI prevention and treatment.

Main Methods:

  • Literature review of mitophagy pathways (e.g., PINK1/Parkin, HIF-1α/Bcl-2, FUN-14).
  • Analysis of existing research data on mitophagy and MIRI.
  • Integration of studies on Chinese medicine for MIRI.

Main Results:

  • Mitophagy's role in MIRI is dose-dependent: moderate levels are protective, while excessive levels are harmful.
  • Key mitophagy pathways involve specific mitochondrial membrane adaptors.
  • Chinese medicine research offers potential therapeutic strategies for MIRI.

Conclusions:

  • Understanding mitophagy pathways is essential for MIRI treatment.
  • Targeting mitophagy offers a novel therapeutic avenue for MIRI.
  • Chinese medicine presents promising approaches for MIRI prevention and treatment.
Keywords:
Chinese medicineFUN-14 domain containing protein 1PTEN-induced kinase 1/Parkinhypoxia-inducible factor-1 α/Bcl-2 and adenovirus e1b19k Da interacting protein 3mitophagymyocardial ischemia/reperfusion injury

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