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Neurol Res. 2018 Aug;40(8):709-715. doi: 10.1080/01616412.2018.1471118. Epub 2018 May 24.

Resveratrol prevents high-calorie diet-induced learning and memory dysfunction in juvenile C57BL/6J mice.

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a Central Laboratory , Xuanwu Hospital, Capital Medical University, Key Laboratory for Neurodegenerative Disease of the Ministry of Education , Beijing , China.
b Department of Neurology , Beijing Anzhen Hospital, Capital Medical University , Beijing , China.
c Department of Internal Medicine , Beijing Chaoyang Hospital, Capital Medical University , Beijing , China.
d Center of Alzheimer's Disease, Beijing Institute for Brain Disorders , Capital Medical University , Beijing , China.
e Beijing Geriatric Medical Research Center , Beijing , China.



Because resveratrol (RSV) has been shown to improve learning and memory, so we investigated the potential benefit of RSV on learning and memory deficits in juvenile mice fed with a HC diet and explored the molecular mechanisms underlying this process.


Six-week-old C57BL/6J mice were divided into three different diet groups: control, HC diet, and HC + RSV diet. Serum insulin and insulin-like growth factor 1 (IGF-1) levels were measured using enzyme-linked immunosorbent assays. Protein expression was examined by immunohistochemistry and western blotting.


Administration of RSV daily (30 mg/kg) prevented the HC diet-induced increase in juvenile animal body weight but did not improve any other physiological conditions, including fasting blood glucose and serum cholesterol, triglyceride, insulin, and IGF-1 levels. However, RSV did prevent learning and memory deficits in the HC group. Peroxisome proliferator-activated receptor gamma (PPARγ) was downregulated in the CA1 region of the hippocampus in both the HC and HC + RSV groups, but the reduction was significantly greater in the HC + RSV group (P < .01 compared with the HC group). Moreover, although the HC diet reduced the number of p16-positive neurons, the HC + RSV diet significantly upregulated p16 expression in the CA1 region of the hippocampus (P < .01 compared with the HC group).


RSV protected against learning and memory impairments in juvenile animals fed with a HC diet, possibly via upregulation of p16 or downregulation of PPARγ in the hippocampal CA1 region.


HC diet; RSV; learning; memory; p16

[Indexed for MEDLINE]

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