Neutrophil-mediated myocardial ischemia-reperfusion injury: mechanisms and potential therapeutic targets.

Authors

Wenna Xu, Zhaoshan Zhang, Yuxin Wei, Zhongquan Zhou, Jiawei Guo

Published in

Frontiers in immunology. Volume 17. Pages 1821747. Epub Sep 29, 2026.

Abstract

Although reperfusion therapy improves the prognosis of acute myocardial infarction, myocardial ischemia-reperfusion injury continues to limit its clinical benefits, with neutrophil-driven inflammatory cascades representing a central mechanism of injury amplification. This article delineates the molecular event chain of neutrophils from recruitment to effector execution: activated neutrophils damage cardiomyocytes through three principal pathways-respiratory burst, degranulation, and neutrophil extracellular traps formation-thereby establishing a positive feedback loop that exacerbates inflammatory amplification. On this basis, we summarize therapeutic strategies targeting neutrophil migration, neutrophil extracellular traps formation, intracellular signaling pathways, mitochondrial homeostasis, immune phenotypes, and targeted drug delivery systems.

PMID:
42819511
Bibliographic data and abstract were imported from PubMed on 02 Oct 2026.

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