Cerebral ischemia and the aftermath of reperfusion form a hypoxic/hyperoxic sequence of events that can trigger DNA damage in neurons of central nervous system. Neuronal apoptosis will happen without immediate DNA rep...Cerebral ischemia and the aftermath of reperfusion form a hypoxic/hyperoxic sequence of events that can trigger DNA damage in neurons of central nervous system. Neuronal apoptosis will happen without immediate DNA repair. APE/Ref-1 is a multifunctional protein involoved in DNA base excision repair pathway and in redox reguiation of DNA-binding activity of AP-1 family members, which may play an important role in protection of postischemic neuronal damage.展开更多
APE1/Ref-1是一种重要的多功能蛋白,主要功能是DNA修复和转录因子的氧化还原调控。目前认为,核编码基因的线粒体主动转运主要依靠线粒体外膜和内膜上一系列转运酶复合体,称为外膜转运酶(translocase of outer membrane,TOM)和内膜转...APE1/Ref-1是一种重要的多功能蛋白,主要功能是DNA修复和转录因子的氧化还原调控。目前认为,核编码基因的线粒体主动转运主要依靠线粒体外膜和内膜上一系列转运酶复合体,称为外膜转运酶(translocase of outer membrane,TOM)和内膜转运酶(translocase of inner membrane,TIM)。基本过.程为线粒体外膜TOM复合体中的受体亚基,包括TOM20、TOM22和TOM70识别前体蛋白上的线粒体定位信号,而后通过TOM40等亚基形成的共同转运通道(general import pore,G1P)进入线粒体。展开更多
文摘Cerebral ischemia and the aftermath of reperfusion form a hypoxic/hyperoxic sequence of events that can trigger DNA damage in neurons of central nervous system. Neuronal apoptosis will happen without immediate DNA repair. APE/Ref-1 is a multifunctional protein involoved in DNA base excision repair pathway and in redox reguiation of DNA-binding activity of AP-1 family members, which may play an important role in protection of postischemic neuronal damage.
文摘APE1/Ref-1是一种重要的多功能蛋白,主要功能是DNA修复和转录因子的氧化还原调控。目前认为,核编码基因的线粒体主动转运主要依靠线粒体外膜和内膜上一系列转运酶复合体,称为外膜转运酶(translocase of outer membrane,TOM)和内膜转运酶(translocase of inner membrane,TIM)。基本过.程为线粒体外膜TOM复合体中的受体亚基,包括TOM20、TOM22和TOM70识别前体蛋白上的线粒体定位信号,而后通过TOM40等亚基形成的共同转运通道(general import pore,G1P)进入线粒体。