using antibodies directed against various bm components , we have determined that the bm-like structure surrounding nevus cells in vivo contains type iv collagen , laminin , and bm-1 proteoglycan , analogous to bm throughout the body , but not bullous pemphigoid antigen or epidermolysis bullosa acquisita antigen that are keratinocyte-associated proteins present in the epidermal bm .
C0022984
laminin
C0004799
bm