Document Detail

Central and peripheral catecholamines regulate the exercise-induced elevation of plasma interleukin 6 in rats.
MedLine Citation:
PMID:  11441906     Owner:  NLM     Status:  MEDLINE    
Several recent reports indicate that exercise elevates the plasma interleukin 6 levels; however, the precise regulation of such an elevation still remains to be clarified. In this study, in order to clarify the requirements of central and peripheral catecholaminergic system for this exercise-induced interleukin 6 elevation, rats were either intraperitoneally or intracerebroventricularly injected with 6-hydroxydopamine which depletes the catecholamine in the central or peripheral tissues. As a result, our exercise protocol elevated the plasma interleukin 6, ACTH, and corticosterone levels in response to exercise. All such exercise-induced increases in the interleukin 6, ACTH, and corticosterone levels were significantly inhibited by pretreatment with an intracerebroventricular injection of 6-hydroxydopamine. In the intraperitoneal 6-hydroxydopamine-treated animals, the exercise-induced interleukin 6 elevation was significantly suppressed compared with the vehicle-treated animals, although no significant difference was found in either the ACTH level or the corticosterone level between both groups of animals. These results thus suggest that central and peripheral catecholamines are involved in the regulation of the exercise-induced interleukin 6 elevation.
X N Yu; G Komaki; N Sudo; C Kubo
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Life sciences     Volume:  69     ISSN:  0024-3205     ISO Abbreviation:  Life Sci.     Publication Date:  2001 Jun 
Date Detail:
Created Date:  2001-07-09     Completed Date:  2001-07-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0375521     Medline TA:  Life Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  167-74     Citation Subset:  IM    
Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
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MeSH Terms
Adrenergic Agents / administration & dosage,  pharmacology*
Adrenocorticotropic Hormone / blood*
Corticosterone / blood*
Interleukin-6 / blood*
Oxidopamine / administration & dosage,  pharmacology*
Physical Conditioning, Animal / physiology*
Rats, Inbred F344
Sympathectomy, Chemical
Reg. No./Substance:
0/Adrenergic Agents; 0/Interleukin-6; 1199-18-4/Oxidopamine; 50-22-6/Corticosterone; 9002-60-2/Adrenocorticotropic Hormone

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