Fig. 1

Expressions of miR-338-3p in ovarian cancer tissues and possible target genes queried by multiply biomedicial databases. a Differential expression profile of miR-338-3p in cancer vs normal tissues shown in dbDEMC database; b Expressions of miR-338-3p and MACC1 in three TCGA cohorts indicated by cBioPortal database; c Alteration frequency of miR-338-3p in three TCGA cohorts unfolded by cBioPortal database; d Serveral cancer related miRNAs expression profiles in human cancers explored in OncomiR database; e Target genes of miR-338-3p with strong supports showed by miRTargetLink database; f Venn diagram for target genes of miR-338-3p infiltered by TargetScan Human, microT-CDS, miRpathDB and miRTarBase databases interactive verification; g Input informations (Additional file 2) and output results of Venn diagram producer