Recognizes an oncofetal antigen of 220kDa, identified as a tumor-associated glycoprotein (TAG-72) with properties of a mucin. The majority of human adenocarcinomas including colorectal, pancreatic, gastric, ovarian, endometrial, mammary, and non-small cell lung cancer display some cell populations that are positive for TAG72. About 60% of carcinoma patients express TAG72 in their sera. TAG72 is reportedly useful in distinguishing pulmonary adenocarcinomas from pleural mesotheliomas.

Optimal dilution of the TAG-72 antibody should be determined by the researcher.

Human CA72.4 protein was used as the immunogen for the TAG-72 antibody.

Aliquot the TAG-72 antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.