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Title: Deuterated polyunsaturated fatty acids reduce oxidative stress and extend the lifespan of C. elegans
Authors: Beaudoin-Chabot, Caroline
Wang, Lei
Smarun, Alexey V.
Vidović, Dragoslav
Shchepinov, Mikhail S.
Thibault, Guillaume
Keywords: Science::Biological sciences
Issue Date: 2019
Source: Beaudoin-Chabot, C., Wang, L., Smarun, A. V., Vidović, D., Shchepinov, M. S., & Thibault, G. (2019). Deuterated polyunsaturated fatty acids reduce oxidative stress and extend the lifespan of C. elegans. Frontiers in Physiology, 10, 641-. doi:10.3389/fphys.2019.00641
Journal: Frontiers in Physiology
Abstract: Chemically reinforced essential fatty acids (FAs) promise to fight numerous age-related diseases including Alzheimer’s, Friedreich’s ataxia and other neurological conditions. The reinforcement is achieved by substituting the atoms of hydrogen at the bis-allylic methylene of these essential FAs with the isotope deuterium. This substitution leads to a significantly slower oxidation due to the kinetic isotope effect, inhibiting membrane damage. The approach has the advantage of preventing the harmful accumulation of reactive oxygen species (ROS) by inhibiting the propagation of lipid peroxidation while antioxidants potentially neutralize beneficial oxidative species. Here, we developed a model system to mimic the human dietary requirement of omega-3 in Caenorhabditis elegans to study the role of deuterated polyunsaturated fatty acids (D-PUFAs). Deuterated trilinolenin [D-TG(54:9)] was sufficient to prevent the accumulation of lipid peroxides and to reduce the accumulation or ROS. Moreover, D-TG(54:9) significantly extended the lifespan of worms under normal and oxidative stress conditions. These findings demonstrate that D-PUFAs can be used as a food supplement to decelerate the aging process, resulting in extended lifespan.
ISSN: 1664-042X
DOI: 10.3389/fphys.2019.00641
DOI (Related Dataset):
Schools: School of Biological Sciences 
Rights: © 2019 Beaudoin-Chabot, Wang, Smarun, Vidović, Shchepinov and Thibault. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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