extracts from tumor homogenate of 11 squamous cell carcinoma ( scc ) , 5 basal cell epithelioma ( bce ) , and 8 seborrheic keratosis ( sk ) were prepared in order to examine the activity of acid phosphatase and proteinases such as cathepsin b and d , type i and iv collagenase , and plasminogen activator ( pa ) .
C0007097
carcinoma
C0007117
basal cell