immunofluorescent and immunocytochemical analysis of these cell lines growing on plastic or as tumor-nodules in nude mice for epithelial membrane antigens , various cytokeratins , various actins , laminin , type iv collagen , the common acute lymphoblastic leukemia antigen ( calla ) , and a 135-kda glycoprotein confirm the epithelial nature of the epithelial-like cells and suggest a myoepithelial origin for the more-elongated cell type .
C0022984
laminin
C0017968
glycoprotein