isolated epidermal cells were incubated with a variety of compounds known to interfere with or alter the ultrastructure of cell surface receptors , and the ability of 12-o-tetradecanoyl-phorbol-13-acetate ( tpa ) to bind to these cells and induce epidermal ornithine decarboxylase ( odc ) activity was investigated .
C0699040
of cell surface
C0007634
cells