Research article summary (published 30 Dec 2004):

Effect of 6 months' training on the reactive oxygen species production capacity of neutrophils and serum opsonic activity in judoists.

Full Abstract

The effects of long-term training on the production of reactive oxygen species (ROS) from neutrophils and serum opsonic activity (SOA) remain to date unknown. The aim of this study was to evaluate the effect of 6 months training on ROS production and SOA in judoists. Fifty-six judoists were enrolled this study. White blood cell counts, serum creatine kinase (CK), asparate aminotransferase (ASAT), alanine aminotransferase (ALAT), lactate dehydrogenase (LDH) and ROS production from neutrophils, and serum opsonic activity (SOA) using the lucigenin and luminol probes, were measured before and after daily judo exercise (2 h) in March and September. The subjects started their training from March after no exercise for three months, and continued it for 6 months (until September). In March, myogenic enzymes such as CK, ASAT, LDH and neutrophil counts increased and immunoglobulins, complements and SOA decreased after daily judo exercise. Such significant changes were not seen in September. On the other hand, ROS significantly increased after daily judo exercise in both March and September, with no significant difference in the rates of change. In conclusion, 6 month training minimized the changes in SOA as well as muscle enzymes, neutrophil counts, serum immunoglobulins and complements. This could be categorized as a long-term training effect. However, no such change was seen in ROS.

Author information

Author/s: Miura, Masashi (M); Umeda, Takashi (T); Nakaji, Shigeyuki (S); Liu, Qiang (Q); Tanabe, Masaru (M); Kojima, Arata (A); Yamamoto, Yousuke (Y); Sugawara, Kazuo (K);

Affiliation: Department of Hygiene, Hirosaki University School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan.

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Luminescence : the journal of biological and chemical luminescence (Luminescence), published in England. (Language: eng)

Reference: -2005 Jan-Feb; vol 20 (issue 1) : pp 1-7

Dates: Created 2005/02/07; Completed 2005/06/22; Revised 2006/11/15;

PMID: 15586397, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adolescent Body Composition Exercise Humans Immunoglobulins - metabolism Leukocytes - cytology Male

Male Martial Arts - physiology Muscle, Skeletal - enzymology Neutrophils - cytology; metabolism Opsonin Proteins - blood; metabolism Reactive Oxygen Species - analysis; metabolism Time Factors

Associated Chemicals: Immunoglobulins (0) ; Opsonin Proteins (0) ; Reactive Oxygen Species (0)

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