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ELMER v.2: an R/Bioconductor package to reconstruct gene regulatory networks from DNA methylation and transcriptome profiles.


ABSTRACT:

Motivation

DNA methylation has been used to identify functional changes at transcriptional enhancers and other cis-regulatory modules (CRMs) in tumors and other disease tissues. Our R/Bioconductor package ELMER (Enhancer Linking by Methylation/Expression Relationships) provides a systematic approach that reconstructs altered gene regulatory networks (GRNs) by combining enhancer methylation and gene expression data derived from the same sample set.

Results

We present a completely revised version 2 of ELMER that provides numerous new features including an optional web-based interface and a new Supervised Analysis mode to use pre-defined sample groupings. We show that Supervised mode significantly increases statistical power and identifies additional GRNs and associated Master Regulators, such as SOX11 and KLF5 in Basal-like breast cancer.

Availability and implementation

ELMER v.2 is available as an R/Bioconductor package at http://bioconductor.org/packages/ELMER/.

Supplementary information

Supplementary data are available at Bioinformatics online.

SUBMITTER: Silva TC 

PROVIDER: S-EPMC6546131 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Publications

ELMER v.2: an R/Bioconductor package to reconstruct gene regulatory networks from DNA methylation and transcriptome profiles.

Silva Tiago C TC   Coetzee Simon G SG   Gull Nicole N   Yao Lijing L   Hazelett Dennis J DJ   Noushmehr Houtan H   Lin De-Chen DC   Berman Benjamin P BP  

Bioinformatics (Oxford, England) 20190601 11


<h4>Motivation</h4>DNA methylation has been used to identify functional changes at transcriptional enhancers and other cis-regulatory modules (CRMs) in tumors and other disease tissues. Our R/Bioconductor package ELMER (Enhancer Linking by Methylation/Expression Relationships) provides a systematic approach that reconstructs altered gene regulatory networks (GRNs) by combining enhancer methylation and gene expression data derived from the same sample set.<h4>Results</h4>We present a completely r  ...[more]

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