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NRG-1亚型及相关信号通路在周围神经疾病中的研究

Journal of Brain and Nervous Diseases(2017)

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Abstract
神经调节蛋白 -1(neuregulin-1,NRG-1)是一组含有表皮样生长因子(epidermal growth factor,EGF)结构域的蛋白,其与酪氨酸激酶受体ErbB2(receptor tyrosine-protein kinase erbB-2,ErbB2)结合后,激动下游的Ras蛋白/丝裂原活化蛋白激酶( ras protein-mitogen-activated protein kinase,Ras-MAPK)和磷脂酰肌醇 3激酶/蛋白激酶 B(phosphatidylinositol 3-phosphate kinase-protein kinase B,PI3K-AKT)信号通路,从而促进施万细胞分化、增殖及迁移、髓鞘形成及神经修复.其具有多种亚型,其中Ⅰ型和Ⅲ型主要分布于神经组织中,促进周围神经髓鞘生长.而PI3K/AKT信号通路广泛存在于神经细胞中,在膜受体信号向细胞内转导过程中起到重要作用.本文主要对NRG-1亚型及PI3K/AKT信号通路在周围神经疾病中的相关性作一综述.
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