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Astaxanthin supplementation modulates cognitive function and synaptic plasticity in young and aged mice. | LitMetric

Astaxanthin supplementation modulates cognitive function and synaptic plasticity in young and aged mice.

Geroscience

Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, USF Health, 12901 Bruce B Downs, Blvd, Tampa, FL, USA.

Published: February 2019

AI Article Synopsis

Article Abstract

The incidence of neurodegenerative disorders and cognitive impairment is increasing. Rising prevalence of age-related medical conditions is associated with a dramatic economic burden; therefore, developing strategies to manage these health concerns is of great public health interest. Nutritionally based interventions have shown promise in treatment of these age-associated conditions. Astaxanthin is a carotenoid with reputed neuroprotective properties in the context of disease and injury, while emerging evidence suggests that astaxanthin may also have additional biological activities relating to neurogenesis and synaptic plasticity. Here, we investigate the potential for astaxanthin to modulate cognitive function and neural plasticity in young and aged mice. We show that feeding astaxanthin to aged mice for 1 month improves performance on several hippocampal-dependent cognitive tasks and increases long-term potentiation. However, we did not observe an alteration in neurogenesis, nor did we observe a change in microglial-associated IBA1 immunostaining. This demonstrates the potential for astaxanthin to modulate neural plasticity and cognitive function in aging.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6423184PMC
http://dx.doi.org/10.1007/s11357-019-00051-9DOI Listing

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