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The Role of Cdk5 in neuronal death and synaptic dysfunctions through phosphorylating FOXO1 and BAG3

Abstract

细胞周期蛋白依赖性激酶5(Cyclin-dependentkinase5,Cdk5)是由脯氨酸介导的丝氨酸/苏氨酸蛋白激酶,其在神经系统中发挥着重要的作用。Cdk5的活化主要靠神经系统中广泛表达的两个激活因子p35和p39。Cdk5对神经系统的正常生理功能具有重要作用去,其可通过磷酸化众多底物的丝氨酸/苏氨酸位点,在神经元的迁移分化,突触传递,轴突树突的发育过程以及神经元的存活中都发挥着重要的作用。此外,在某些病理条件下,Calpain所介导的p35切割形成p25,可以过度激活Cdk5,诱导神经元凋亡和突触功能的紊乱,介导了多种神经退行性疾病的发生发展,暗示着Cdk5很可能成为治疗神经退行性疾...Cyclin-dependent kinase 5 (Cdk5) is a multifaceted proline-directed serine or threonine kinase implicated to play pivotal roles in nervous system. Cdk5 two activator proteins p35 or p39 ubiquitously expressed in neuronal cells. In the physiological condition, Cdk5 plays vital roles in the CNS development by phosphorylating the specific serine or threonine site of numerous substrate proteins that a...学位:理学博士院系专业:医学院_生理学学号:2452013015433

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