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Effect of Rongchang capsule (茸菖胶囊) on seizure behavior,cognitive impairment,and hippocampal DNA damage and inflammatory factors in epileptic rats

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Journal of Traditional Chinese Medicine 2021年第3期41卷 438-446页

作者： PIAO Xiang WANG Wei CHEN Hanjiang YAN Rong LI Mengquan Department of pediatrics Shanghai Municipal Hospital of Traditional Chinese MedicineShanghai University of Traditional Chinese MedicineShanghai 200071China Institute of Paediatrics of Chinese Medicine Shanghai University of Traditional Chinese MedicineShanghai 200071China Department of pediatrics Graduate School of Tianjin University of Traditional Chinese MedicineTianjin 300193China

OBJECTIVE: To observe the behavioral changes and changes in DNA fragments and related inflammatory factors in the hippocampus of epileptic rats pretreated with Rongchang capsule(茸菖胶囊).METHODS: Eighty Sprague-Dawley rats were randomly divided into the normal group(NG), model group(MG), sodium valproate group(VG), and Rongchang capsule group(RG)(n = 20 in each group). Pentylentetrazol was administered to the MG, VG, and RG to induce epilepsy. The VG and RG were pretreated with 1/2 the therapeutic dose of sodium valproate and Rongchang capsule, respectively. Changes in convulsion behavior and water maze learning were observed. Single cell gel electrophoresis was used to detect changes in the DNA in the hippocampus. The tail length(TL) and Olive tail moment(OTM) of cells were analyzed by GASP software. The expression of interleukin-1β(IL-1β),high mobility group box 1(hmgb1), transforming growth factor-β(TGF-β), and CCL4 in the hippocampus was determined by Western blotting.RESULTS: Rongchang capsule had a weaker effect on convulsive latency than sodium valproate, but significantly reduced seizure susceptibility. The spatial learning ability of the RG was better than that of the VG(P ≤ 0.01). The TL and OTM were significantly higher in the MG than the NG(P hmgb1 in the hippocampus were significantly greater in the MG than the NG(P < 0.01), and were significantly reduced in the RG and VG compared with the MG(P < 0.01);however, there was no intergroup difference in the expression of TGF-β. The average values for the expression of inflammatory factors in the hippocampus were higher in the RG than in the VG;thus, Rongchang capsule may have a weaker effect on reducing the expression of inflammatory factors in the hippocampus than sodium valproate.CONCLUSION: Pretreatment with Rongchang ca

关键词： epilepsy inflammation cognitive dysfunction hippocampus interleukin-1beta hmgb proteins transforming growth factor beta Rongchang capsule

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