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Study on Protective Effects of Drug-contained Serum of Xiaoxuming Decoction on Astrocyte of Oxygen and Glucose Deprivation Model Rats / 中国药房
China Pharmacy ; (12): 34-39, 2021.
Article in Chinese | WPRIM | ID: wpr-862262
ABSTRACT
OBJECTIVE:To investigate the protective effects of drug-contained serum of Xiaoxuming decoction (XXM)on astrocyte of oxygen and glucose deprivation model rats ,and to explore its mechanisms. METHODS :The astrocytes of rats were randomly divided into control group ,model group and XXM low-dose ,middle-dose,high-dose groups. The cells in the control group were not treated ;after 2.5 h of OGD ,model group and XXM low-dose ,middle-dose,high-dose groups were reoxygenated for 0,3,6,12 h in 0(i.e. the model group was not added with drugs ),2.5%,5%,10% of XXM ,respectively. The content of lactate dehydrogenase (LDH)was detected by colorimetry. The reactive oxygen species (ROS)level was detected by fluorescence probe method ,and the expression of Manganese superoxide dismutase (MnSOD)was determined by immunofluorescence double staining method in control group ,model group and XXM high-dose group after 12 h of reoxygenation following OGD. RESULTS : The content of LDH in the control group was always kept at a low level ;LDH content in the model group gradually increased from (110.99±17.06)U/L to (436.64±55.29)U/L after 0-12 h of reoxygenation following OGD ,which was significantly higher than that in the control group (P<0.05). Compared with model group at the same time point after reoxygenation following OGD ,the contents of LDH in the cells of XXM low-dose ,medium-dose and high-dose groups were decreased to different extents ,and showed a time-and dose-dependent trend. The contents of LDH in XXM groups at 6 and 12 h after reoxygenation following OGD were significantly lower than that of the model group (P<0.05). At 12 h after reoxygenation following OGD ,the levels of ROS in model group were significantly higher than control group , while the level of MnSOD was significantly lower than control group(P<0.05). The level of ROS in XXM high-dose group hospital.sh.cn was significantly lower than model group ,while the level of MnSOD was significantly higher than model group (P<0.05).. CONCLUSIONS:XXM can protect astrocyte by up-regulating sh.cn levels of MnSOD ,scavenging excessive oxygen free radicals , to relieve the OGD induced astrocytic injury ,with protective effect.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: China Pharmacy Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: China Pharmacy Year: 2021 Type: Article