Globo H/Stage-specific embryonic antigen-3
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Globo H is a hexasaccharide and belongs to a large number of tumor-associated carbohydrate antigens that are overexpressed on the surface of various epithelial cancer cells, including breast, colon, ovarian, pancreatic, lung, and prostate cancer cells. The aberrant expression of Globo H renders it an attractive candidate for immunotherapy and the development of cancer vaccines for Globo H-positive cancers. SSEA-3 (Stage-specific embryonic antigen 3) is a glycosphingolipid, specifically, an oligosaccharide composed of five carbohydrate units connected to a sphingolipid. Sphingolipids were originally discovered in 1884 by Johann Ludwig Wilhelm Thudichum who named them after the Sphinx of Greek mythology in reference to the unresolved riddle of their function.