Intravenous infusion of H2-saline suppresses oxidative stress and elevates antioxidant potential in Thoroughbred horses after racing exercise
Kanichi Kusano, Katsuhiro Koyama, Masahiko Yamazaki, Masataka Kiuchi, Toru Ishibashi
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DOI:
10.1038/srep15514
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Abstract:
Upon intensive, exhaustive exercise, exercise-induced reactive oxygen species may exceed the antioxidant defence threshold, consequently resulting in muscular damage or late-onset chronic inflammation. Recently, the therapeutic antioxidant and anti-inflammatory effects of molecular hydrogen (H2) for human rheumatoid arthritis have been demonstrated. However, it is also important to clarify the effects of administrating H2 in large animals other than humans, as H2 is thought to reach the target organ by passive diffusion upon delivery from the blood flow, indicating that the distance from the administration point to the target is critical. However, data on the effects of H2 on oxidative stress in real-life exhaustive exercise in large animals are currently lacking. We here investigated 13 Thoroughbred horses administered intravenous 2-L saline with or without 0.6-ppm H2 (placebo, N = 6; H2, N = 7) before participating in a high-intensity simulation race. Intravenous H2-saline significantly suppressed oxidative stress immediately, 3 h, and 24 h after the race, although the antioxidant capability was not affected throughout the study. The serum creatine kinase, lactate, and uric acid levels were increased in both groups. Taken together, these results indicate that intravenous H2-saline can significantly and specifically suppress oxidative stress induced after exhaustive racing in Thoroughbred horses.
| Publish Year |
2015 |
| Country |
Japan |
| Rank |
Positive |
| Journal |
Nature Scientific Reports |
| Primary Topic |
Whole Body |
| Secondary Topic | Excercise |
| Model |
Horse |
| Tertiary Topic | Fatigue |
| Vehicle |
Saline (Dissolved) |
| pH |
Neutral |
| Application |
Injection |
| Comparison |
|
| Complement |
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