in the presence of 10 % fetal calf serum ( fcs ) , these cells differentiated into glial fibrillary acidic protein ( gfap ) positive flat astrocytes , whereas neurons ( neurofilament-positive ) and a smaller number of stellate astrocytes ( gfap-positive ) developed in a chemically defined medium containing 0.5 % fcs .
C0007634
cells
C0007589
differentiated