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Peptidoglycan–polysaccharide (PG-PS)-induced increase in intracellular calcium concentration (Ca) is inhibited in CD14 knockout cells

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posted on 31.12.2011, 04:37 by Xiangli Li, Blair U Bradford, Frederick Dalldorf, Sanna M Goyert, Stephen A Stimpson, Ronald G Thurman, Sergei S Makarov

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Taken from "CD14 mediates the innate immune responses to arthritopathogenic peptidoglycan–polysaccharide complexes of Gram-positive bacterial cell walls"

Arthritis Research & Therapy 2004;6(3):R273-R281.

Published online 27 Apr 2004


Copyright © 2004 Li et al.; licensee BioMed Central Ltd. This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original URL.

The levels of [Ca]in spleen macrophages were evaluated by using fura-2, a fluorescent [Ca] indicator. Kinetics of PG-PS-induced [Ca](average from six to eight cells). Representative data from two experiments are shown. The average maximal increase in [Ca]shown as a function of PG-PS concentration. Data represent means ± standard error of the mean for 12–34 cells from two independent experiments. The significance of the difference between the groups was calculated using one-way analysis of variance with Scheffe's test. *< 0.05 versus wild-type.


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