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Bioinformatics. 2019 Dec 20. pii: btz939. doi: 10.1093/bioinformatics/btz939. [Epub ahead of print]

iMIRAGE: An R package to impute microRNA expression using protein-coding genes.

Author information

1
Department of Experimental & Clinical Pharmacology, University of Minnesota Twin Cities, 516 Delaware St. S.E., Minneapolis, MN.
2
Biological Sciences Collegiate Division, The University of Chicago, 924 E. 57th Street, Chicago, IL.
3
Weill Cornell Medical College, Weill Cornell Medicine, 1300 York Ave, New York City, NY.

Abstract

SUMMARY:

MicroRNAs (miRNAs) are critical post-transcriptional regulators of gene expression. Due to challenges in accurate profiling of small RNAs, a vast majority of public transcriptome datasets lack reliable miRNA profiles. However, the biological consequence of miRNA activity in the form of altered protein-coding gene (PCG) expression can be captured using machine-learning algorithms. Here we present iMIRAGE (imputed miRNA activity from gene expression), a convenient tool to predict miRNA expression using PCG expression of the test datasets. The iMIRAGE package provides an integrated workflow for normalization and transformation of miRNA and PCG expression data, along with the option to utilize predicted miRNA targets to impute miRNA activity from independent test PCG datasets.

AVAILABILITY:

The iMIRAGE package for R, along with package documentation and vignette, is available at https://aritronath.github.io/iMIRAGE/index.html.

SUPPLEMENTARY INFORMATION:

Supplementary data are available at Bioinformatics online.

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