Restricted accessResearch articleFirst published online 2017-12
Naringenin Ameliorates Behavioral Dysfunction and Neurological Deficits in a d -Galactose-Induced Aging Mouse Model Through Activation of PI3K/Akt/Nrf2 Pathway
In this study, we evaluated the protective effects of naringenin on aging mice induced by d-galactose (d-gal). Open field test and Morris water maze test were performed to evaluate the effect of naringenin on behavioral dysfunction. Hematoxylin-eosin staining, TUNEL staining, and Nissl staining were used to estimate the effect of naringenin on neurological deficits. Furthermore, naringenin markedly activated PI3K/Akt signaling, eventually promoted the nuclear translocation of nuclear factor-erythroid 2-related factor 2, and induced the expression of heme oxygenase 1 and NAD(P)H-quinone oxidoreductase 1. Superoxide dismutase (SOD), catalase (CAT), and thiobarbituric acid reactive substances (TBARS) assays were conducted to evaluate oxidative stress in d-gal-induced aging mice. Our finding demonstrated that naringenin was a promising agent for attenuating the aging process, and enhancing endogenous antioxidant defense capacity was a reliable strategy to delay the senescence process.
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