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首页> 外文期刊>Journal of stroke and cerebrovascular diseases: The official journal of National Stroke Association >Overexpression of miR-582-5p Inhibits the Apoptosis of Neuronal Cells after Cerebral Ischemic Stroke Through Regulating PAR-1/Rho/Rho Axis
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Overexpression of miR-582-5p Inhibits the Apoptosis of Neuronal Cells after Cerebral Ischemic Stroke Through Regulating PAR-1/Rho/Rho Axis

机译:MiR-582-5P的过度表达抑制脑缺血性卒中后神经元细胞的凋亡,通过调节PAR-1 / RHO / RHO轴

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ObjectiveThe purpose of this study was to explore the role of miR-582-5p/proteinase-activated receptors type I (PAR-1)/Rho/Rho in neuronal cell apoptosis after cerebral ischemic stroke (CIS). MethodsIn vivomouse model of CIS induced by middle cerebral artery occlusion andin vitromodel induced by oxygen-glucose deprivation/reoxygenation (OGD/R) in N2A cells was established. The expressions of miR-582-5p, PAR-1, RhoA, and ROCKII in brain tissues and N2A cells were detected. Neuronal cell apoptosis was detected by flow cytometry. ResultsWe found that miR-582-5p expression was decreased and the expressions of PAR-1, RhoA, and ROCKII were increased in CIS mice and OGD/R model. Moreover, miR-582-5p negatively regulated PAR-1, and overexpression of miR-582-5p inhibited the activation of Rho/Rho pathway by downregulating PAR-1, thus reducing OGD/R-induced neuronal cell apoptosis. ConclusionsOur results suggested that miR-582-5p overexpression could regulate Rho/Rho-kinase signaling pathway via targeting PAR-1, thereby governing the apoptosis of neuronal cells after CIS.
机译:本研究的客观目的是探讨脑缺血性卒中(顺式)后神经元细胞凋亡中的miR-582-5p /蛋白酶活化受体类型I(PAR-1)/ Rho / Rho的作用。方法建立了由N2A细胞中的氧血糖剥夺/雷诺(OGD / R)诱导的中脑动脉闭塞诱导的CIS的Vivomouse模型。检测miR-582-5p,pAR-1,rhOA和摇滚肠癌的表达,脑组织和N2A细胞中的表达。通过流式细胞术检测神经元细胞凋亡。结果我们发现,在CIS小鼠和OGD / R模型中增加了miR-582-5p表达,并且PAR-1,RHOA和ROCKII的表达增加。此外,MiR-582-5P负调节的PAR-1,MIR-582-5P的过表达抑制了通过下调PAR-1来激活RHO / RHO途径,从而减少OGD / R诱导的神经元细胞凋亡。结论库结果表明,MiR-582-5P过表达可以通过靶向PAR-1调节rhO / Rho-kinase信号传导途径,从而控制CIS后神经元细胞的凋亡。

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