运动和饮食因素对脑老化小鼠学习记忆能力影响的行为学观察

目的观察高脂饮食和运动对D-半乳糖(D-gal)致脑老化小鼠学习记忆功能的影响。方法采用D-gal致脑老化复制脑老化小鼠模型,以Morris水迷宫测试小鼠学习记忆功能。结果高脂饲料脑老化模型组与普通饲料脑老化模型限食组、普通饲料脑老化模型加运动组、高脂饲料脑老化模型加运动组、高脂饲料正常组、普通饲料加运动组、普通饲料正常组之间学习记忆功能的差异均有统计学意义(P<0.05);空间探索试验显示,普通饲料脑老化模型限食组与普通饲料脑老化模型组之间的差异有统计学意义(P<0.05)。结论运动和限食可减轻脑老化小鼠学习记忆能力的下降;高脂饮食有促进脑老化的作用。

Behavior Observation on Learning and Memory Ability of Brain Aging Mice Intervened by Exercise and Diet

Objective To observe effects for exercise and diet on learning and memory ability in mice with encephalon aging induced by D-galactose(D-gal).Methods The model of mice with encephalon aging was made by D-gal.The learning and memory ability of mice was determined by Morris water maze.Results There was significant difference between high fat feed encephalon aging group and restrict food on normal feed encephalon aging group,normal feed and exercise encephalon aging group,high fat feed and exercise encephalon aging group,high fat feed normal group,normal feed and exercise group,normal feed group(all P<0.05).In spatial probe test,there was significant difference between restrict food on normal feed encephalon aging group and normal feed encephalon aging group(all P<0.05).Conclusion Exercise and restrict food can improve the learning and memory function in the mice;feed with high fat can promote encephalon aging.