Target genes for selected miRNAs were predicted by using TargetScan Release 6.0 (http://www.targetscan.org/) [32] (link) and miRanda (http://www.microrna.org/microrna). The target genes that were predicted by both TargetScan (default parameters) and miRanda (Total score> = 145, Total energy< = −10) for each miRNA were further analyzed through IPA (Ingenuity Systems, www.ingenuity.com). The multiple testing corrected P value calculated by Benjamini-Hochberg method (FDR) [28] was used to determine the significance of the predicted function in IPAs. A threshold of FDR <0.05 and molecule number >1 were applied to enrich significant biological functions of each miRNA.
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