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Redox Rep. 2017 Jan;22(1):26-34. Epub 2016 Feb 15.

Molecular hydrogen alleviates motor deficits and muscle degeneration in mdx mice.

Author information

1
a Division of Neurogenetics , Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine , Japan.
2
b Department of Pathophysiological Laboratory Sciences , Nagoya University Graduate School of Medicine , Japan.

Abstract

OBJECTIVE:

Duchenne muscular dystrophy (DMD) is a devastating muscle disease caused by a mutation in DMD encoding dystrophin. Oxidative stress accounts for dystrophic muscle pathologies in DMD. We examined the effects of molecular hydrogen in mdx mice, a model animal for DMD.

METHODS:

The pregnant mother started to take supersaturated hydrogen water (>5 ppm) ad libitum from E15.5 up to weaning of the offspring. The mdx mice took supersaturated hydrogen water from weaning until age 10 or 24 weeks when they were sacrificed.

RESULTS:

Hydrogen water prevented abnormal body mass gain that is commonly observed in mdx mice. Hydrogen improved the spontaneous running distance that was estimated by a counter-equipped running-wheel, and extended the duration on the rota-rod. Plasma creatine kinase activities were decreased by hydrogen at ages 10 and 24 weeks. Hydrogen also decreased the number of central nuclei of muscle fibers at ages 10 and 24 weeks, and immunostaining for nitrotyrosine in gastrocnemius muscle at age 24 weeks. Additionally, hydrogen tended to increase protein expressions of antioxidant glutathione peroxidase 1, as well as anti-apoptotic Bcl-2, in skeletal muscle at age 10 weeks.

DISCUSSION:

Although molecular mechanisms of the diverse effects of hydrogen remain to be elucidated, hydrogen potentially improves muscular dystrophy in DMD patients.

KEYWORDS:

Duchenne muscular dystrophy; Molecular hydrogen; Muscle degeneration; Oxidative stress; mdx mouse

PMID:
26866650
DOI:
10.1080/13510002.2015.1135580
[Indexed for MEDLINE]

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