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Chinese Pharmacological Bulletin ; (12): 153-158, 2022.
مقالة ي صينى | WPRIM | ID: wpr-1014186

الملخص

Aim To study the modulation effects of HKSX capsule on Alzheimer's disease (AD) and to preliminarily explore its mechanism using SAMP8 as an AD model.Methods SAMP8 mice aged 4 months were randomly divided into model group ( P8 group) , HKSX low-dose group (L-HKSX group) , HKSX high- dose group ( H-HKSX group) , and senescence-accel- erated mouse/resistance 1 (SAMR1 ) at the same age was used as normal control group ( R1 group).New object recognition and Morris water maze experiments were used to detect the learning and memory abilities of each group.Levels of A(3, _40 and A(3, 42 were detected by ELISA, and the expression levels of LC3- U , p62, Beclin-1 , PSD95 and Syn in hippocampus of each group were detected by Western blot.Results Compared with model group, both low and high doses of HKSX could enhance the D1 in new object recognition test, increase number of crossing the platform anrl the time spent in the target quadrant, and shorten the escape latency.Besides, it also enhanced the clearance °f Ap, _40 and AfJ, _42 , up-regulated the relative expression of Beclin-1 and LC3- II and down-regulated the expression of P62.In addition, it increased the expression of synaptic-related proteins PSD95 and Syn.Conclusions HKSX capsule can regulate the expression of autophagy-related proteins and improve autoph- agv dysfunction, which in turn reduce the deposition of A(3 in vivo to alleviate its cytotoxicity and improve synaptic plasticity.Thus, HKSX can improve the learning and memory deficits of AD mice.

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