Abstract
Aging is a natural process accompanied with many disorders, including the memory decline. The underlying mechanisms for the age-related memory decline are complicated. Previous work suggested that oxidative stress, inflammatory disturbance, and the neurotropic absence play important roles in the age-related disorders. Thus, to seek a drug to target those abnormalities might be a possible protective approach for aging. Here, we reported that supplements with exogenous erythropoietin (EPO) for 4weeks could partially rescue the spatial and fear memory impairments in aged rats. The EPO treatment also suppresses the oxidative stress and inflammatory response. Most importantly, EPO supplement restores the mRNA and protein levels of brain-derived neurotrophic factor (BDNF), the critical neurotropic factor for synaptic plasticity and memory. Our study strongly suggests the potential usage of EPO in an anti-aging agent clinically.
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