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Journal articles

Citrulline prevents age-related LTP decline in old rats

Abstract : The prevalence of cognitive decline is increasing as the ageing population is considerably growing. Restricting this age-associated process has become a challenging public health issue. The age-related increase in oxidative stress plays a major role in cognitive decline, because of its harmful effect on functional plasticity of the brain, such as long-term potentiation (LTP). Here, we show that citrulline (Cit) has powerful antioxidant properties that can limit ex vivo oxidative stress-induced LTP impairment in the hippocampus. We also illustrate that a three-month Cit supplementation has a protective effect on LTP in aged rats in vivo. The identification of a Cit oxidation byproduct in vitro suggests that the antioxidant properties of Cit could result from its own oxidation. Cit supplementation may be a promising preventive nutritional approach to limit age-related cognitive decline.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-03041903
Contributor : Jean-Marie Billard Connect in order to contact the contributor
Submitted on : Saturday, December 5, 2020 - 5:03:44 PM
Last modification on : Thursday, April 7, 2022 - 1:58:20 PM

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Scientific Reports, 2019.pdf
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Antonin Ginguay, Anne Regazzetti, Olivier Laprevote, Christophe Moinard, Jean-Pascal de Bandt, et al.. Citrulline prevents age-related LTP decline in old rats. Scientific Reports, Nature Publishing Group, 2019, 9, pp.20138. ⟨10.1038/s41598-019-56598-2⟩. ⟨hal-03041903⟩

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