Serum CA242
The carbohydrate antigen CA242 (CA242) was discovered from the human colorectal cancer cell line COLO205 monoclonal antibody. It is also a sialylated sphingosyllipid antigen and co-expresses CA50. Its biochemical nature is a sialylated sugar structure, which belongs to mucin. It exists in normal pancreas and colonic mucosa, but its expression is extremely low.
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