Glutathione-dependent modulation of exhausting exercise-induced changes in neutrophil function of rats
Journal Title: | European Journal of Applied Physiology and Occupational Physiology 1996, Vol.74 (4), p.342-347 |
Main Author: | ATALAY, M |
Other Authors: | MARNILA, P , LILIUS, E.-M , HÄNNINEN, O , SEN, C. K |
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English |
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Publisher: | Berlin: Springer |
ID: | ISSN: 0301-5548 |
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recordid: | cdi_proquest_miscellaneous_78525189 |
title: | Glutathione-dependent modulation of exhausting exercise-induced changes in neutrophil function of rats |
format: | Article |
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ispartof: | European Journal of Applied Physiology and Occupational Physiology, 1996, Vol.74 (4), p.342-347 |
description: | Reduced glutathione (GSH) plays a central role in maintaining an effective synergism between various physiological and exogenous antioxidants. We tested the effects of GSH and N-acetylcysteine (NAC, a pro-GSH clinical drug), intraperitoneal (i.p.) supplementation and GSH deficiency on exercise-induced leucocyte margination and neutrophil oxidative burst activity. GSH, NAC (1g.kg-1) or placebo saline was i.p. injected (one or eight times) to male rats (n > or = seven per group). The GSH-deficient rats were prepared by i.p. injections of L-buthionine-[SR]-sulphoximine (BSO, 6 mmol.l-1.kg-1) twice daily for 4 days. Exercised animals were subjected to treadmill run to exhaustion. Exhausting treadmill exercise significantly decreased peripheral blood leucocyte count in the controls (P < 0.001). Such exercise-associated leucocyte margination was prevented by GSH supplementation. Peripheral blood neutrophil counts were significantly higher (P < 0.02) in the GSH-supplemented groups compared to the placebo control groups. Exercise-induced increase in peripheral blood neutrophil oxidative burst activity as measured by luminol-enhanced chemiluminescence per volume of blood tended to be higher in the GSH-supplemented group (P < 0.10), and lower in the GSH-deficient rats (P < 0.02). In these experiments, for the first time we have shown that GSH supplementation can induce neutrophil mobilization and decrease exercise-induced leucocyte margination, and that exogenous and endogenous GSH can regulate exercise-induced stimulation of the neutrophil oxidative burst. |
language: | eng |
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identifier: | ISSN: 0301-5548 |
fulltext: | no_fulltext |
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