Fig. 1

Screenshots of our sample analyses of miR-21 in COAD. a, b Advanced Search options in OMCD, enabling searches by miRNA, by cancer types, and by statistical results. c Heatmap. d Numeric view of absolute expressions of miR-21 in COAD control and tumor samples. e Heat map of relative expression of miR-21 in COAD. f Information and external links. g Heat map of miR-21 cluster members, enabling exploration of the expression patterns of colocalized miRNAs. h Statistical results of group-based comparisons of miR-21 in different cancer types