immunological criteria were recognized , using antibodies against intermediate filament proteins ( vimentin , gliofibrillar acid protein , cytokeratin , desmin , neurofilament proteins ) , actin , myosin , ciliary rootlets , laminin and fibronectin in single or double immunostaining , and monoclonal antibodies known to detect epitopes of ependymal or endothelial cells .
C0021769
intermediate filament proteins
C0010803
cytokeratin