MG7 Antigen

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor

**Definition:** A cell-surface glycopeptide epitope potentially derived from carcinoembryonic antigen-related cell adhesion molecule 5 (CEACAM5; CEA; CD66e). This antigen is specifically expressed in gastric cancer and may be useful as a marker for gastric cancer, precancerous stomach lesions and Helicobacter pylori (H. pylori)-associated gastric diseases.

**Synonyms:** - MG7 - MG7-Ag - MG7Ag