to distinguish the major neural cell types present in the cultures the expression of the following cell type-specific markers was investigated : neuron-specific enolase and microtubule-associated protein-2 ( map-2 ) as probes for neuronal cells and the intermediate filament protein glial fibrillar acidic protein ( gfap ) as a probe for astroglial cells .
C0021770
intermediate filament
C0007634
cells