摘要:中枢神经损伤后再生与修复是困扰神经科学研究者的难题,近年来应用神经营养因子、转基因、细胞移植等手段在神经元保护和促进内在再生能力方面取得了一定的成果。然而,由于髓鞘相关糖蛋白(myelin-associated glycoprotein,MAG)、少突胶质细胞髓鞘糖蛋白(oligodendrocyte-myelin glycoprotein,OMgp)和Nogo-A等多种抑制因子的抑制作用,再生神经纤维不能或很少能穿越胶质瘢痕。研究表明,Nogo-A、MAG和OMgp是通过与Nogo-66受体(NgR1)复合物的结合来发挥作用的。
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