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1.
Chinese Pharmacological Bulletin ; (12): 723-730, 2023.
Artigo em Chinês | WPRIM | ID: wpr-1013903

RESUMO

Aim To explore the mechanism by which calpain-1 promotes hypoxia-induced pulmonary hypertension pulmonary artery endothelial cell apoptosis through endoplasmic reticulum stress. Methods C57BL/6 wild-type (WT) and calpain-1 gene knockout mice (KO) were reared in a hypoxic chamber (10% O

2.
Chinese Journal of Rehabilitation Theory and Practice ; (12): 11-16, 2018.
Artigo em Chinês | WPRIM | ID: wpr-702431

RESUMO

Objective To observe the changes of cAMP response element binding protein (CREB)/brain-derived neurotrophic factor (BDNF) signaling pathway in the hippocampus of APP/PS1 double transgenic Alzheimer's disease mice, and in-vestigate the effects of Tiaoxin formula on learning and memory. Methods Totally, 54 three-month-old APP/PS1 transgenic mice were randomly divided into model group (n=18), posi-tive control (donepezil) group (n=18) and Tiaoxin formula group (n=18). Another 18 three-month-old C57/BL6 wild mice were chosen as normal group with same strain and same age. All administration groups received rele-vant medicine. Twelve weeks later, Morris water maze test was used to test the behavior. The real-time quantita-tive polymerase chain reaction (RT-qPCR) was used to detect the expression of CREB mRNA and BDNF mRNA in hippocampus. Western blotting was used to detect the expression of phosphorylated CREB (p- CREB) and BDNF in hippocampus. Results Compared with the model group, the escape latency significantly shortened (P<0.01), the percentage of staying time in the quadrant of original platform significantly increased (P<0.05), the expression of CREB mRNA and BDNF mRNA in hippocampus significantly increased (P<0.05), and the expression of p-CREB and BDNF pro-tein in hippocampus significantly increased (P<0.01) in Tiaoxin formula group. Conclusion Tiaoxin formula could improve the spatial learning and memory of APP/PS1 double transgenic mice with AD, which might be related to the up-regulation of CREB/BDNF signaling pathway.

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