Document Detail

Effect of strenuous physical exercise on circulating cell-derived microparticles.
MedLine Citation:
PMID:  21321404     Owner:  NLM     Status:  In-Data-Review    
Strenuous exercise is associated with an inflammatory response involving the activation of several types of blood cells. In order to document the specific activation of these cell types, we studied the effect of three maximal exercise tests conducted to exhaustion on the quantitative and qualitative pattern of circulating cell-derived microparticles and inflammatory molecules in healthy subjects. This study mainly indicated that the plasma concentration of microparticles from platelets and polymorphonuclear neutrophils (PMN) was increased immediately after the strenuous exercise. In addition, the increase in plasma concentration of microparticles from PMN and platelets was still observed after 2 hours of recovery. A similar pattern was observed for the IL-6 plasma level. In contrast, no change was observed for either soluble selectins or plasma concentration of microparticles from red blood cells, monocytes and endothelial cells. In agreement, sVCAM-1 and sICAM-1 levels were not changed by the exercise. We conclude that a strenuous exercise is accompanied by platelet- and PMN-derived microparticle production that probably reflects the activation of these two cell types.
Vicky Chaar; Marc Romana; Julien Tripette; Cédric Broquere; Marie-Geneviève Huisse; Olivier Hue; Marie-Dominique Hardy-Dessources; Philippe Connes
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical hemorheology and microcirculation     Volume:  47     ISSN:  1875-8622     ISO Abbreviation:  Clin. Hemorheol. Microcirc.     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-02-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9709206     Medline TA:  Clin Hemorheol Microcirc     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  15-25     Citation Subset:  IM    
Inserm, UMR_S 763, CHU de Pointe-à-Pitre, Université des Antilles et de la Guyane, Pointe-à-Pitre, Guadeloupe.
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