Supplementation with hydrogen-producing composition confers beneficial effects on physiology and life span in Drosophila
by Vladimir L. Safonov, Marina Yu. Safonov, Svetlana N. Radyuk, Vladimir I. Klichko
Abstract:
Recently, molecular hydrogen (H 2 )has become known as a new class of antioxidants and redox-modulating interventions. Effects of H 2 have been documented for many acute and chronic pathological conditions. The present study was aimed at determining the effect of hydrogen on the physiology and longevity of Drosophila. The flies were given a patented food supplement consisting of a mixture of inert salts with metallic magnesium, which reacted with acidic aqueous solutions, thereby releasing hydrogen gas. The supplementation with hydrogen-rich food prolonged the life span of the wild-type strain. To gain insights into the effect of hydrogen, we used previously generated mutant under-expressing redox-regulating enzymes, peroxiredoxins, in mitochondria. The hydrogen-releasing material lessened the severe shortening of life span of the mutant. Hydrogen also delayed the development of intestinal dysfunction caused by under-expression of peroxiredoxins in the intestinal epithelium. Hydrogen also averted a significant decrease in the mobility of mutant flies that under-expressed peroxiredoxins globally or in specific tissues. Together, the results showed that the introduction of hydrogen to aging or short-lived flies could increase their survival, delay the development of the intestinal barrier dysfunction and significantly improve physical activity.
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https://doi.org/10.1016/j.heliyon.2019.e01679
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