干預(yù)癲癇大鼠自噬活性對小膠質(zhì)細(xì)胞激活狀態(tài)及腫瘤壞死因子-α分泌的影響及意義
[Abstract]:Objective to observe the effects of autophagy on the activation of microglia and the secretion of tumor necrosis factor- 偽 (TNF- 偽) in epileptic rats. Methods Wistar rats were randomly divided into normal control group (n = 6) and epilepsy group (n = 24). The epileptic rats in the epileptic group were randomly divided into three groups: epileptogenic control group, 3-methylpurine (3-MA) group and rapamycin (RAPA) group, with 6 rats in each group. The changes of ethology and electroencephalogram (EEG) in each group were observed. The neuronal damage in CA1 area was observed by HE and Nissl staining. The expression of LC3,CD68 and TNF- 偽 in hippocampus was detected by immunofluorescence staining and Western blot. Results Epilepsy control group showed that epilepsy could cause neuronal injury, and the expression of LC3,CD68,TNF- 偽 was significantly higher than that of normal control group (P0.05). The grade of epileptic seizure and the number of neuron damage in 3-MA group were lower than those in epileptic control group. The expression of LC3,CD68,TNF- 偽 was significantly decreased (P0.05) in the). RAPA group, but the expression of CD68 and TNF- 偽 was not significantly changed compared with the epileptic control group (P0.05). However, the number of neuronal injury and the expression of LC3 were further increased (P0.05). Conclusion there is autophagy in the course of epilepsy, which can activate microglia, promote the secretion of TNF- 偽, and lead to neuronal injury. Inhibition of autophagy can regulate microglia, reduce the secretion of TNF- 偽, protect neurons and relieve epileptic seizures.
【作者單位】: 濱州醫(yī)學(xué)院附屬醫(yī)院;濱州醫(yī)學(xué)院;
【分類號】:R742.1
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