A new method for studying gradient-induced neutrophil desensitization based on an open microfluidic chamber.

A new method for studying gradient-induced neutrophil desensitization based on an open microfluidic chamber.
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DOI:
10.1039/b913494h
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发表时间:
2010-01-07
期刊:
影响因子:
6.1
通讯作者:
Folch A
Folch A
中科院分区:
工程技术1区
文献类型:
--
作者:
Keenan TM;Frevert CW;Wu A;Wong V;Folch A

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During inflammation neutrophils rapidly migrate to the site of tissue damage or infection by following complex gradients of bacterial peptides and host-derived chemokines. The efficiency and speed of neutrophil migration is critically dependent upon the ability of neutrophils to sensenew gradients and utilize only those that provide the most direct path to the damaged or infected site. Receptor desensitization plays an important role in migration efficiency and is most commonly studied using bath application of chemotactic factor solutions instead of presenting cells with gradients analogous to those they would experience in vivo. Here we describe a new method for examining gradient-induced neutrophil desensitization using a previously-developed open-chamber microfluidic gradient generator.
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