it was demonstrated that gm1 ganglioside was present in all galactocerebroside-positive oligodendrocytes and most of glial fibrillary acid protein ( gfap ) -positive astrocytes ( 80 % ) , most of neurofilament-positive neurons ( 80 % ) , 50-70 % of schwann cells , and 5-10 % of fibronectin-positive fibroblasts ;
C0027834
neurofilament
C0027882
neurons