G0S2 and Wilson disease: Of the 27 genes, G0S2 (G0/G1 Switch 2) and DGAT2 (diacylglycerol O-acyltransferase 2) were highly expressed in WD, with a mean FPKM of ~1200 and 70, respectively, but were remarkably suppressed in DD at a level of approximately 95% (Supplementary Table 10b).