Lipid antigen enriched in human colon cancer cells

The term "Lipid antigen enriched in human colon cancer cells" does not refer to a single, well-characterized molecular entity but rather describes an *undefined group* of lipid molecules that are found at higher levels or uniquely present on the surface of colon cancer cells compared to normal tissue. These lipids may be detected by certain monoclonal antibodies—such as MAb 1A3—which have been used experimentally to localize tumors via their binding specificity for these antigens[2]. However, the precise chemical identity and structure(s) of these "lipid antigens" remain unclear from current literature. Recent research highlights that colorectal cancers exhibit significant alterations in their overall lipidome—including increased levels of pro-inflammatory arachidonic acid metabolites like 5-HETE and leukotrienes—which contribute to tumor growth, inflammation, and immune modulation within the tumor microenvironment[1][3]. Some studies also report changes in long-chain triglycerides, sphingolipids, and other complex lipids associated with malignancy progression[4][5]. Despite their biological relevance as part of the altered metabolic landscape in colorectal tumors—and potential utility for diagnostic imaging or research—these "lipid antigens" are **not considered classical therapeutic targets** such as receptors or enzymes. There is currently no standardized nomenclature or consensus on which specific molecule(s) constitute this group. Therefore: > The designation "Lipid antigen enriched in human colon cancer cells" is imprecise and does not correspond to any officially recognized molecular target suitable for structured drug discovery efforts. If you require information about specific lipid-related targets implicated in colorectal cancer—such as enzymes involved in eicosanoid synthesis (*e.g.*, ALOX5), signaling receptors (*e.g.*, LTB4R), or particular classes like sphingolipids—please specify further so more precise data can be provided.

Other names

Lipid antigen in colon cancerColon cancer-associated lipid antigenCRC-enriched lipid antigen