A lot of neurotrophic factors (NTFs) including NGF, BDNF, FGF, and CNTF can promote RGCs survival both in vitrol and in vivo.

• 研究证实多种NTFs(如NGF、BDNF、FGF、CNTF)对体外培养及视神经横断伤后RGC的存活有明显促进作用，为轴突再生提供了前提条件。