H19 and hepatocellular carcinoma: Also analysis of two microarray GEO datasets with n=39/39 (GSE57957) and n=74/74 (GSE54236) HCC tissues vs. non-tumor tissue revealed a distinct downregulation of H19 (Figure 1B and C) as did qPCR quantification of H19 in a previously described patient cohort (Figure 1D) 18, 19.