5 . mscs are excellent seed cells for treating nervous system diseases , damages , genetic defects and degeneration diseases . here , human mscs with enhanced green fluorescent protein ( egfp ) were injected into the stri 87士又刀6咖in ,差异显著o 0刀5人表明植入的骨髓sc在脑内微环境的作用下能够在一定程度上发挥作用,有望成为治疗pd的种子细胞。