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Nat Med. 2011 Nov 7;17(11):1381-90. doi: 10.1038/nm.2514.

The neutrophil in vascular inflammation.

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1
Department of Medical Cell Biology, Division of Integrative Physiology, Uppsala University, Uppsala, Sweden.

Abstract

Here we focus on how neutrophils have a key regulatory role in vascular inflammation. Recent studies using advanced imaging techniques have yielded new insights into the mechanisms by which neutrophils contribute to defense against bacterial infections and also against sterile injury. In these settings, neutrophils are recruited by various mechanisms depending on the situation. We also describe how these processes may be disrupted in systemic infections, with a particular emphasis on mouse models of sepsis. Neutrophils are often immobilized in the lungs and liver during systemic infections, and this immobilization may be a mechanism through which bacteria can evade the innate immune response or allow neutrophils to form neutrophil extracellular traps that trap and kill bacteria in blood. The platelet is also an important player in sepsis, and we describe how it collaborates with neutrophils in the formation of neutrophil extracellular traps.

PMID:
22064428
DOI:
10.1038/nm.2514
[Indexed for MEDLINE]
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