The top image is the immunolocalization (streptavidin-biotin technique) of the 67 kDa laminin receptor (laminin-binding protein, LBP) in human adenoid cystic carcinoma in vivo. Label is located at the inner layer of the duct-like structure. The bottom image is a cell line derived from adenoid cystic carcinoma (CAC2 cells). Immunofluorescence shows the presence of type I collagen.