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Reciprocal coupling of coagulation and innate immunity via neutrophil serine proteases

Reciprocal coupling of coagulation and innate immunity via neutrophil serine proteases Neutrophils release the serine proteases neutrophil elastase and cathepsin G, which have microbicidal activity and thereby contribute to the innate immune response. Steffen Massberg et al. now show that these neutrophil serine proteases, in association with extracellular nucleosomes, can also promote coagulation and thrombosis within large blood vessels. In a mouse model of systemic bacterial infection, these proteases spurred intravascular coagulation in the microcirculation of the liver, limiting bacterial tissue invasion. These findings point to a role for thrombosis in antimicrobial defense. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Medicine Springer Journals

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References (60)

Publisher
Springer Journals
Copyright
Copyright © 2010 by Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.
Subject
Biomedicine; Biomedicine, general; Cancer Research; Metabolic Diseases; Infectious Diseases; Molecular Medicine; Neurosciences
ISSN
1078-8956
eISSN
1546-170X
DOI
10.1038/nm.2184
Publisher site
See Article on Publisher Site

Abstract

Neutrophils release the serine proteases neutrophil elastase and cathepsin G, which have microbicidal activity and thereby contribute to the innate immune response. Steffen Massberg et al. now show that these neutrophil serine proteases, in association with extracellular nucleosomes, can also promote coagulation and thrombosis within large blood vessels. In a mouse model of systemic bacterial infection, these proteases spurred intravascular coagulation in the microcirculation of the liver, limiting bacterial tissue invasion. These findings point to a role for thrombosis in antimicrobial defense.

Journal

Nature MedicineSpringer Journals

Published: Aug 1, 2010

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