the fifteen col mabs , all of the immunoglobulin g subclasses 1 , 2a , or 2b , reacted with purified carcinoembryonic antigen in solid-phase radioimmunoassay and by immunoblotting , but none reacted with human polymorphonuclear leukocytes or certain spleen preparations previously shown to be rich in carcinoembryonic antigen-related or cross-reactive antigens .
C0086418
human
C0007082
carcinoembryonic antigen