CerDase, ceramidase; CerS,
ceramide synthase; GalCeramidase, galactosylceramidase; GalCer sulfotransferase, galactosyl sulfotransferase; Gal - T1, galactosyltransferase; GluCeramidase, glucosylceramidase; GluCer synthase, glucosylceramide synthase; Sial - T1, lactosylceramide synthase; SM synthase, sphingomyelin synthase; SMase, sphingomyelinase.