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胶质细胞源性神经营养因子家族研究进展 被引量:7

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摘要 胶质细胞源性神经营养因子 (GDNF)、neurturin(NTN)、persephin(PSP)、artemin(ART)共同构成TGF β超家族的一个亚家族。四者结构相似、功能相关 ,且氨基酸顺序有较高的同源性。在体内 ,它们都是以前体的形式分泌 ,经加工、修饰 ,成熟的蛋白质分子为二硫键连接形成的同源二聚体。对中脑多巴胺能神经元、颈上神经节交感神经元、脊髓运动神经元等具有明显的营养与保护作用。在信号传导中 ,GDNF家族α受体 (GDNFFamilyRecepteralpha,GFRα)与原癌基因c ret编码的产物蛋白Ret共同形成GDNF家族成员的功能性复合受体 。
出处 《国外医学(临床生物化学与检验学分册)》 2002年第2期115-117,共3页 Foreign Medical Sciences(section of Clinical Biochemistry and Laboratory Medicine
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