Ganglioside GQ

**Semantic type:** Immunologic Factor|Organic Chemical

**Definition:** A sialoglycosphingolipid that is a branched nonasaccharide containing five sialyl residues, two galactose residues, one N-acetylgalactosamine residue and a glucose residue. This ceramide is found associated with the surface of the plasma membrane in developing thymic epithelial cells, oligodendrocyte progenitors, neuroendocrine cells, neurons and neuroblastoma cells.

**Synonyms:** - A2B5 - A2B5 Antigen - GQ Ganglioside