280286.fig.001
Figure 1: General scheme for ganglioside synthesis. Network of ganglioside synthesis; steps are also reversible. “G” denotes “ganglioside;” “A” denotes “asialo” or lacking sialic acid; “M” denotes “monosicalo,” “D” denotes “disialo;” numbers denote carbohydrate sequence. Adapted from Malisan and Testi [6]. Cer: ceramide; GlcCer: glucosylceramide; LacCer: lactosylceramide; GalNac: N-acetylgalactosamine.