title: Pepsinogen in gastric carcinoma cells.
abstract: Immunoperoxidase staining of 125 gastric carcinomas showed pepsinogen in tumour cells of seven (5.6%) cases. Carcinomas from other sites were negative. The phenomenon is probably too uncommon to be useful in identifying secondary carcinomas as gastric in origin, but it is of some biological interest.
mesh_terms: D000230:Adenocarcinoma / Q000032:analysis*; D000918:Antibody Specificity; D006801:Humans; D007106:Immune Sera; D007124:Immunoenzyme Techniques; D010435:Pepsinogens / Q000032:analysis*; D013194:Staining and Labeling; D013274:Stomach Neoplasms / Q000032:analysis*
chemical_list: D007106:Immune Sera; D010435:Pepsinogens