Characterizing extravascular neutrophil migration in vivo in the iris

Inflammation
Stephen R PlanckJ T Rosenbaum

Abstract

Extravascular neutrophil migration is poorly characterized in vivo. To test the hypothesis that this migration is a non-random process, we used videomicroscopy to monitor neutrophils in irises of living mice with endotoxin-induced uveitis (EIU). Paths of individual cells were analyzed. Nearly all of these cells were moving in divergent directions, and mean displacement plots indicated that the predominant movement was random. The paths of some cells were fit to bivariate autoregressive integrated moving average models that revealed at least two modes of movement: random search and linear trend. Cell speed was significantly reduced by the actin inhibitor, cytochalasin D. The pattern of migration for neutrophils is in marked contrast to what we previously described for antigen-presenting cells in the iris, but somewhat resembles recent descriptions for T cells within a lymph node. Characterization of extravascular migration of neutrophils has important implications for understanding infection and immunity.

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Citations

Sep 18, 2014·Molecular Therapy : the Journal of the American Society of Gene Therapy·Pollob K ShilQiuhong Li
Jun 29, 2010·The American Journal of Pathology·Fang XieAli Hafezi-Moghadam
Jan 28, 2014·Experimental Eye Research·Samuel D HanlonAlan R Burns
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Jun 10, 2016·Molecular Medicine Reports·Zhao-Xin JiangXiao-Feng Lin

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