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Review
. 2020 Dec;235(12):9059-9070.
doi: 10.1002/jcp.29761. Epub 2020 Jun 15.

Protective mechanisms of hydrogen sulfide in myocardial ischemia

Yuqi Chen  1 , Feng Zhang  2 , Jiayu Yin  1 , Siyi Wu  1 , Xiang Zhou  1
Affiliations
Review

Protective mechanisms of hydrogen sulfide in myocardial ischemia

Yuqi Chen et al. J Cell Physiol. 2020 Dec.

Abstract

Hydrogen sulfide (H2 S), which has been identified as the third gaseous signaling molecule after nitric oxide (NO) and carbon monoxide (CO), plays an important role in maintaining homeostasis in the cardiovascular system. Endogenous H2 S is produced mainly by three endogenous enzymes: cystathionine β-synthase, cystathionine γ-lyase, and 3-mercaptopyruvate sulfur transferase. Numerous studies have shown that H2 S has a significant protective role in myocardial ischemia. The mechanisms by which H2 S affords cardioprotection include the antifibrotic and antiapoptotic effects, regulation of ion channels, protection of mitochondria, reduction of oxidative stress and inflammatory response, regulation of microRNA expression, and promotion of angiogenesis. Amplification of NO- and CO-mediated signaling through crosstalk between H2 S, NO, and CO may also contribute to the cardioprotective effect. Exogenous H2 S donors are expected to become effective drugs for the treatment of cardiovascular diseases. This review article focuses on the protective mechanisms and potential therapeutic applications of H2 S in myocardial ischemia.

Keywords: cardioprotection; hydrogen sulfide; myocardial ischemia.

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