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    • 8. 发明授权
    • Screening assays for the interaction of semaphorins and neuropilins
    • semaphorins和神经丝氨酸相互作用的筛选分析
    • US06428965B1
    • 2002-08-06
    • US09116473
    • 1998-07-16
    • David D. GintyAlex L. Kolodkin
    • David D. GintyAlex L. Kolodkin
    • G01N3353
    • G01N33/6896G01N33/566G01N33/68
    • The semaphorin family contains a large number of plylogenetically conserved proteins and includes several members that have been shown to function in repulsive axon guidance. Semaplorin III (Sema III) is a secreted protein that in vitro causes neuronal growth cone collapse and chemorepulsion of neurites, and is required in vivo for correct sensory afferent innervation and other aspects of development. The mechanism of Sema III function, however, is unknown. Here, we report that neuropilin, a type I transmembrane protein, is a Sema III receptor. We also describe the identification of neuropiln-2, a related neuropilin family member, and show that neuropilin and neuropilin-2 are expressed in overlapping, yet distinct, populations of neurons in the rat embryonic nervous system.
    • 信号素家族含有大量的蛋白质保守蛋白质,包括已被证明在排斥性轴突指导中起作用的几个成员。 Semaplorin III(Sema III)是一种分泌蛋白质,其体外引起神经元生长锥形塌陷和神经突的化学反应,并且在体内需要正确的感觉传入神经支配和其他发展方面。 然而,Sema III功能的机制是未知的。 在这里,我们报道,I型跨膜蛋白的神经蛋白是Sema III受体。 我们还描述了相关的神经系蛋白家族成员神经iln醇2的鉴定,并且显示神经纤维蛋白和神经纤维蛋白-2在大鼠胚胎神经系统中的重叠但不同的神经元群体中表达。