Immunological characterization of human membrane-bound arylamidases from small intestine, lung, kidney, liver, placenta and renal cell carcinoma.

Anti-placental and anti-kidney membrane-bound arylamidase antibodies were prepared in rabbits. Both antibodies showed similar titration curves against both the original antigens, and the membrane-bound arylamidases partially purified from small intestine, lung, liver and renal cell carcinoma. Double immunidiffusion tests showed that six membrane-bound arylamidases were immunochemically indistinguishable.