Protective effects of L-arginine supplementation against exhaustive exercise-induced oxidative stress in young rat tissues

Chi Chang Huang, Tien-Jen Lin, Yi Fa Lu, Chun Chieh Chen, Chih Yang Huang, Wan Teng Lin

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Recently, we showed that L-arginine (L-Arg) supplementation could attenuate acute exercise-induced oxidative and inflammatory stress in aging rats. In this study, we investigate whether L-Arg supplementation protects cellular oxidative stress, inflammation, or the mitochondrial DNA 4834-bp large deletion (mtDNA4834 deletion) in 14-week-old young rats tissues during exhaustive exercise. Rats were randomly divided into four groups: sedentary control (SC); SC with L-Arg treatment (SC+Arg); exhaustive exercise (E); and exhaustive exercise with L-Arg treatment (E+Arg). Rats in the SC+Arg and E+Arg groups received supplemental 2% L-Arg diet. Rats in groups E and E+Arg performed an exhaustive running test on a treadmill. The results showed a significant increase in xanthine oxidase (XO) and myeloperoxidase (MPO) activities and lipid peroxide (malondialdehyde; MDA) levels of muscular, hepatic, and renal tissues in exercised rats as compared with sedentary rats. The increased XO, MPO, and MDA levels of these tissues significantly decreased in exercised rats supplemented with L-Arg. However, exhaustive exercise had no effect on mtDNA4834 deletions of muscular and hepatic tissues. The activities of creatine kinase (CK), aspartate aminotransferase (AST), alanine aminotransferase (ALT), blood urea nitrogen (BUN), creatinine (CRE), lactate, uric acid, non-esterified fatty acid (NEFA), and D-3-hydroxybutyrate in the plasma significantly increased in the exercised rats compared with the sedentary rats, while the CK, lactate and uric acid levels in the plasma significantly decreased in L-Arg-supplemented exercised rats. These findings suggest that L-Arg supplementation reduces the oxidative damage to and inflammatory response in skeletal muscles, the liver, and kidneys caused by exhaustive exercise in young rats.

Original languageEnglish
Pages (from-to)306-315
Number of pages10
JournalChinese Journal of Physiology
Volume52
Issue number5
DOIs
Publication statusPublished - Dec 1 2009

Fingerprint

Arginine
Oxidative Stress
Xanthine Oxidase
Creatine Kinase
Uric Acid
Peroxidase
Liver
Lactic Acid
Kidney
3-Hydroxybutyric Acid
Lipid Peroxides
Blood Urea Nitrogen
Aspartate Aminotransferases
Malondialdehyde
Alanine Transaminase
Mitochondrial DNA
Creatinine
Skeletal Muscle
Fatty Acids
Exercise

Keywords

  • Exhaustive exercise
  • L-arginine
  • Mitochondrial DNA deletion
  • Myeloperoxidase
  • Oxidative stress
  • Xanthine oxidase

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

Cite this

Protective effects of L-arginine supplementation against exhaustive exercise-induced oxidative stress in young rat tissues. / Huang, Chi Chang; Lin, Tien-Jen; Lu, Yi Fa; Chen, Chun Chieh; Huang, Chih Yang; Lin, Wan Teng.

In: Chinese Journal of Physiology, Vol. 52, No. 5, 01.12.2009, p. 306-315.

Research output: Contribution to journalArticle

Huang, Chi Chang ; Lin, Tien-Jen ; Lu, Yi Fa ; Chen, Chun Chieh ; Huang, Chih Yang ; Lin, Wan Teng. / Protective effects of L-arginine supplementation against exhaustive exercise-induced oxidative stress in young rat tissues. In: Chinese Journal of Physiology. 2009 ; Vol. 52, No. 5. pp. 306-315.
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abstract = "Recently, we showed that L-arginine (L-Arg) supplementation could attenuate acute exercise-induced oxidative and inflammatory stress in aging rats. In this study, we investigate whether L-Arg supplementation protects cellular oxidative stress, inflammation, or the mitochondrial DNA 4834-bp large deletion (mtDNA4834 deletion) in 14-week-old young rats tissues during exhaustive exercise. Rats were randomly divided into four groups: sedentary control (SC); SC with L-Arg treatment (SC+Arg); exhaustive exercise (E); and exhaustive exercise with L-Arg treatment (E+Arg). Rats in the SC+Arg and E+Arg groups received supplemental 2{\%} L-Arg diet. Rats in groups E and E+Arg performed an exhaustive running test on a treadmill. The results showed a significant increase in xanthine oxidase (XO) and myeloperoxidase (MPO) activities and lipid peroxide (malondialdehyde; MDA) levels of muscular, hepatic, and renal tissues in exercised rats as compared with sedentary rats. The increased XO, MPO, and MDA levels of these tissues significantly decreased in exercised rats supplemented with L-Arg. However, exhaustive exercise had no effect on mtDNA4834 deletions of muscular and hepatic tissues. The activities of creatine kinase (CK), aspartate aminotransferase (AST), alanine aminotransferase (ALT), blood urea nitrogen (BUN), creatinine (CRE), lactate, uric acid, non-esterified fatty acid (NEFA), and D-3-hydroxybutyrate in the plasma significantly increased in the exercised rats compared with the sedentary rats, while the CK, lactate and uric acid levels in the plasma significantly decreased in L-Arg-supplemented exercised rats. These findings suggest that L-Arg supplementation reduces the oxidative damage to and inflammatory response in skeletal muscles, the liver, and kidneys caused by exhaustive exercise in young rats.",
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