Document Detail

Lipid peroxide levels and superoxide-scavenging abilities of Sera obtained from hotbred (Thoroughbred) horses.
MedLine Citation:
PMID:  8672595     Owner:  NLM     Status:  MEDLINE    
Hotbred (Thoroughbred) horses were grouped into three classes according to the levels of constant physical exercise (foals, 6 months old; racing horses, 5 years old; horses for breeding, 6-10 years old), and lipid peroxide levels in their sera were measured as thiobarbituric acid-reactive substances. No significant differences were observed among them. The superoxide-scavenging abilities of sera were measured next; to examine the antioxidative properties of hotbreds, and were found to be highest in the racing horses. The higher scavenging ability of the racing horses might contribute to keep their lipid peroxide levels as low as those of the other two groups. HPLC analysis of substances in sera suggested that the presence of albumin-bound bilirubin was one of the reasons for the high superoxide-scavenging ability of sera of the racing horses. When the hotbreds were compared with coldbred (crossbred) horses, the lipid peroxide levels of hotbreds was higher (7.0 +/- 1.2 nmol/ml) than that of coldbreds (2.6 +/- 0.7 nmol/ml). Comparison of the superoxide-scavenging abilities of sera between hotbreds and coldbreds showed that the hotbreds possessed higher scavenging ability than the coldbreds. These results indicated that the lipid peroxide level in sera of hotbreds was higher than that of coldbreds regardless of the higher superoxide-scavenging abilities of sera.
M Kuwabara; N Inukai; O Inanami; Y I Miyake; N Tsunoda; Y Maki; F Sato
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of veterinary medical science / the Japanese Society of Veterinary Science     Volume:  58     ISSN:  0916-7250     ISO Abbreviation:  J. Vet. Med. Sci.     Publication Date:  1996 Feb 
Date Detail:
Created Date:  1996-08-15     Completed Date:  1996-08-15     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9105360     Medline TA:  J Vet Med Sci     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  97-101     Citation Subset:  IM    
Department of Environmental Veterinary Science, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan.
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MeSH Terms
Bilirubin / blood
Chromatography, High Pressure Liquid / veterinary
Electron Spin Resonance Spectroscopy / veterinary
Free Radical Scavengers / blood*
Horses / blood*,  genetics,  physiology
Lipid Peroxides / blood*
Physical Conditioning, Animal / physiology
Superoxides / metabolism*
Thiobarbituric Acid Reactive Substances / analysis
Reg. No./Substance:
0/Free Radical Scavengers; 0/Lipid Peroxides; 0/Thiobarbituric Acid Reactive Substances; 11062-77-4/Superoxides; 635-65-4/Bilirubin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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