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1.
Chinese Pharmacological Bulletin ; (12)2003.
Artigo em Chinês | WPRIM | ID: wpr-680453

RESUMO

Aim To study the expression of caspase-12 mRNA and protein following focal cerebral ischemia-reperfusion in rats,and explore the effect of endoplasmic reticulum pathway on neuronal apoptosis.Methods 60 male Wistar rats were randomly divided into sham-operated group and ischemic group.The middle cerebral artery occlusion(MCAO)models were established by using the intraluminal suture occlusion method,neuronal apoptosis was detected by TUNEL staining,the expression of caspase-12 protein was detected by immunohistochemical staining,the expression of caspase-12 mRNA was detected by RT-PCR method.Results In ischemic group,the number of apoptotic cells and the expression of caspase-12 mRNA and protein were gradually increased following prolonged cerebral reperfusion,reached the peak at 24 h.The number of apoptotic cells and the expression of caspase-12 mRNA and protein in ischemic group were significantly less than those of sham-operated group at all times(P

2.
Chinese Pharmacological Bulletin ; (12)1987.
Artigo em Chinês | WPRIM | ID: wpr-679250

RESUMO

Aim To investigate the age-related changes of TrkB mRNA in hippocampal formation of aged rats,and the effects of ginsenosides(GS),and provide reliable experimental evidence for anti-aging.Methods 24 Wistar female rats were randomly divided into 3 groups: Young,aged and GS group(fed with GS from 17 to 27 months).In situ hybridization(ISH) method was applied into qualifying and quantitating the TrkB mRNA expression in hippocampal formation.Results TrkB mRNA expression in aged CA3,CA1 and dentate gyrus decreased by 24.2%,13.4% and 50.6%(P

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