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Pathophysiological role of neutrophils in acute myocardial infarction

Nencioni, Alessio
Published in Thrombosis and Haemostasis. 2013, vol. 110, no. 3, p. 501-514
Abstract The pathogenesis of acute myocardial infarction is known to be mediated by systemic, intraplaque and myocardial inflammatory processes. Among different immune cell subsets, compelling evidence now indicates a pivotal role for neutrophils in acute coronary syndromes. Neutrophils infiltrate coronary plaques and the infarcted myocardium and mediate tissue damage by releasing matrix-degrading enzymes and reactive oxygen species. In addition, neutrophils are also involved in post-infarction adverse cardiac remodelling and neointima formation after angioplasty. The promising results obtained in preclinical modelswith pharmacological approaches interfering with neutrophil recruitment or function have confirmed the pathophysiological relevance of these immune cells in acute coronary syndromes and prompted further studies of these therapeutic interventions. This narrative review will provide an update on the role of neutrophils in acute myocardial infarction and on the pharmacological means that were devised to prevent neutrophil-mediated tissue damage and to reduce post-ischaemic outcomes.
Keywords Acute Coronary Syndrome/metabolismAngioplastyAnimalsAtherosclerosis/metabolismChemokines/metabolismHumansHydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic useInflammation/pathologyIschemia/pathologyLipoproteins, HDL/chemistryMultivariate AnalysisMyocardial Infarction/bloodMyocardial Reperfusion Injury/pathologyNeutrophil InfiltrationNeutrophils/cytology/metabolismPercutaneous Coronary InterventionPlaque, Atherosclerotic/metabolismReactive Oxygen Species/metabolism
PMID: 23740239
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Research groups L'athérosclérose et ses complications cliniques (591)
Chimie et protéomique clinique (270)
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CARBONE, Federico et al. Pathophysiological role of neutrophils in acute myocardial infarction. In: Thrombosis and Haemostasis, 2013, vol. 110, n° 3, p. 501-514. doi: 10.1160/TH13-03-0211 https://archive-ouverte.unige.ch/unige:77520

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Deposited on : 2015-11-23

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