Central and peripheral catecholamines regulate the exercise-induced elevation of plasma interleukin 6 in rats

Xiao Nian Yu, Gen Komaki, Nobuyuki Sudo, Chiharu Kubo

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)167-174
Number of pages8
JournalLife Sciences
Volume69
Issue number2
DOIs
Publication statusPublished - Jun 1 2001

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Catecholamines
Rats
Interleukin-6
Plasmas
Oxidopamine
Corticosterone
Adrenocorticotropic Hormone
Animals
Tissue
Injections

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)

Cite this

Central and peripheral catecholamines regulate the exercise-induced elevation of plasma interleukin 6 in rats. / Yu, Xiao Nian; Komaki, Gen; Sudo, Nobuyuki; Kubo, Chiharu.

In: Life Sciences, Vol. 69, No. 2, 01.06.2001, p. 167-174.

Research output: Contribution to journalArticle

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