Abbreviations BDNF CNS CNTF EAE FGF GFAP GGF IGF MBP MOG NT-3 OL brain-derived neurotrophic factor central nervous system ciliary neurotrophic factor experimental allergic encephalomyelitis fibroblast growth factor glial fibrillary acidic protein glial growth factor insulin-like growth factor myelin basic protein myelin oligodendrocyte glycoprotein neurotrophin-3 oligodendrocyte lineage OP oligodendrocyte progenitor PDGF platelet-derived growth factor TGF transforming growth factor