首页> 外文期刊>Journal of Cerebral Blood Flow and Metabolism: Official Journal of the International Society of Cerebral Blood Flow and Metabolism >Expression of interleukin-1 beta converting enzyme gene family and bcl-2 gene family in the rat brain following permanent occlusion of the middle cerebral artery.
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Expression of interleukin-1 beta converting enzyme gene family and bcl-2 gene family in the rat brain following permanent occlusion of the middle cerebral artery.

机译:大鼠大脑中动脉永久性闭塞后白介素-1β转换酶基因家族和bcl-2基因家族的表达。

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摘要

Recent investigations have been suggesting that some neuronal subpopulations may die via programmed cell death after focal ischemic injury. To clarify the possible roles of the genes involved in the cell-death program, this study examined the expression of three members of the interleukin-1 beta converting enzyme (Ice) gene family (Ice, Nedd2, and Yama/CPP32) and two members of the bcl-2 gene family (bcl-2 and bcl-x) in the rat brain after permanent occlusion of the middle cerebral artery. Northern blot analysis revealed a transient induction of Nedd2 mRNA 8 h after the ischemic insult (3.8-fold) and an increase in Yama/CPP32 mRNA 16 to 24 h after the insult (5.8-fold at 24 h), whereas the expression of Ice remained constant. The expression of bcl-2 and bcl-x remained constant after the ischemic insult. Taking into account the key role of the Ice gene family in the execution of programmed cell death, the induction of Ice gene family might play a causative role in apoptotic cell death.
机译:最近的研究表明,局部缺血性损伤后,某些神经元亚群可能通过程序性细胞死亡而死亡。为了阐明参与细胞死亡程序的基因的可能作用,本研究检查了白介素1β转化酶(Ice)基因家族的三个成员(Ice,Nedd2和Yama / CPP32)的表达和两个成员的表达。大脑中动脉永久性闭塞后大鼠大脑中bcl-2基因家族(bcl-2和bcl-x)的表达Northern印迹分析显示缺血性损伤后8 h瞬时诱导Nedd2 mRNA(3.8倍),损伤后16至24 h Yama / CPP32 mRNA增加(24 h 5.8倍),而Ice表达保持不变。缺血性损伤后bcl-2和bcl-x的表达保持恒定。考虑到Ice基因家族在程序性细胞死亡的执行中的关键作用,Ice基因家族的诱导可能在凋亡细胞死亡中起致病作用。

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