Figure 9From: Glucosylceramide synthase upregulates MDR1 expression in the regulation of cancer drug resistance through cSrc and β-catenin signalingGSL Synthesis and MDR1 Expression. GCS, glucosylceramide synthase; GlcCer, glucosylceramide; Tcf4, T-cell factor 4; FAK, focal adhesion kinase; cSrc, proto-oncogene (Schmidt-Ruppin A-2); Gb3, globotriaosylceramide; Gb5, globopentaosylceramide; MSGb5, monosyl-Gb5.Back to article page