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Article Publish Status: FREE
Abstract Title:

Citrulline prevents age-related LTP decline in old rats.

Abstract Source:

Sci Rep. 2019 Dec 27 ;9(1):20138. Epub 2019 Dec 27. PMID: 31882891

Abstract Author(s):

Antonin Ginguay, Anne Regazzetti, Olivier Laprevote, Christophe Moinard, Jean-Pascal De Bandt, Luc Cynober, Jean-Marie Billard, Bernadette Allinquant, Patrick Dutar

Article Affiliation:

Antonin Ginguay

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.

Study Type : Animal Study

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