Decreased Blood Levels of Lactic Acid and Urinary Excretion of 3-Methylhistidine after Exercise by Chronic Taurine Treatment in Rats

DOI Web Site PubMed 被引用文献5件 参考文献20件 オープンアクセス
  • MANABE Sachinobu
    Department of Nutrition, The University of Tokushima, School of Medicine Faculty of Health Management, Nagasaki International University
  • KURODA Ikuyo
    Department of Nutrition, The University of Tokushima, School of Medicine
  • OKADA Kazuko
    Department of Nutrition, The University of Tokushima, School of Medicine
  • MORISHIMA Masaki
    Department of Nutrition, The University of Tokushima, School of Medicine
  • OKAMOTO Miki
    Faculty of Health Management, Nagasaki International University
  • HARADA Nagakatsu
    Department of Nutrition, The University of Tokushima, School of Medicine
  • TAKAHASHI Akira
    Department of Nutrition, The University of Tokushima, School of Medicine
  • SAKAI Kentaro
    Department of Environmental Science, Faculty of Human Life Science, Hiroshima Jogakuin University
  • NAKAYA Yutaka
    Department of Nutrition, The University of Tokushima, School of Medicine

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説明

Taurine is reported to increase contractility of skeletal muscle and cardiac myocyte, which can increase exercise performance. The present study aimed to clarify taurine's effect on chronic endurance exercise, especially accumulation of lactic acid (LA), a marker of fatigue and ability of aerobic exercise, and urinary secretion of 3-methylhistidine (3-MH), a marker of muscle breakdown in rats. After exercise blood levels of LA and urinary excretion of 3-MH were significantly increased and this increase was significantly less in those with chronic treatment of taurine. Taurine treatment also significantly decreased fat accumulation and blood levels of cholesterol and triglyceride, which might improve insulin resistance and utilization of fat and glucose. These results indicate taurine treatment is useful for reducing physical fatigue and muscle damage during exercise training in rats, presumably due to antioxidant property and improvement of muscle and cardiac functions by taurine.

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