TGM2 and hepatocellular carcinoma: There was a positive correlation between TGM2 and vimentin expression (Supplementary Fig. 7, r2 = 0.276, p < 0.01), but no significant correlation between TGM2 and E-cadherin expression in 371 HCC tissues from TCGA (r2 = 0.047, p = 0.366).