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Volume 7 (2007), Pages 121-134
Review Article

Targeting Polymorphonuclear Leukocytes in Acute Myocardial Infarction

1Department of Experimental Medicine, Section of Pharmacology “L. Donatelli”, 2nd University of Naples, Naples, Italy
2Excellence Centre for Cardiovascular Diseases, 2nd University of Naples, Naples, Italy

Received 30 October 2006; Accepted 15 January 2007

Academic Editor: Salvatorre Cuzzocrea

Copyright © 2007 Clara Di Filippo et al.


Several studies have recognized the strong impact that the acute myocardial infarctions (AMI) have on the morbidity and mortality of patients affected by cardiovascular diseases. Still open, however, is the field concerning the mediators and the pathways involved in the etiology of this cardiovascular event. The present review would support the relatively new discovered role that the polymorphonuclear leukocytes (PMNs) have in the pathogenesis of the AMI, through a brief analysis of past and ongoing research. Particularly, it is reviewed here the possibility that inhibition of the activity of PMNs and inhibition of the signaling pathways related to their activity may result useful in AMI and may improve the prognosis of this pathology. This review, indeed, presents and discusses new data on one of the lipid kinase, the phosphoinositide 3-kinase gamma (PI3Kγ), and its role in neutrophil recruitment during AMI.