Carcinoembryonic antigen (CEA)

CEA

Carcinoembryonic Antigen (CEA) is a protein produced in gastrointestinal tissue during fetal development, but its production stops before birth. Consequently, CEA is usually present at very low levels in the blood of healthy adults. It is a type of tumor marker measured in the blood and sometimes in other body fluids.

A high level of CEA can be a sign of certain types of cancers, including those of the colon and rectum, prostate, ovary, lung, thyroid, or liver. It can also indicate some noncancerous conditions, such as cirrhosis, noncancerous breast disease, and emphysema.

Moreover, the blood CEA test is used to monitor the treatment of individuals with these types of cancers, determine the stage of the cancer, and monitor for recurrences after treatment.

Hytest offers a wide selection of monoclonal antibodies (MAbs) that are specific to different CEA antigen epitope groups (Cat. # 4CA30/4CA30cc). None of the MAbs cross-react with human leukocytes in cytofluorometry.

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