title: Transcriptomic and metabolomic data integration.
abstract: Many studies now produce parallel data sets from different omics technologies; however, the task of interpreting the acquired data in an integrated fashion is not trivial. This review covers those methods that have been used over the past decade to statistically integrate and interpret metabolomics and transcriptomic data sets. It defines four categories of approaches, correlation-based integration, concatenation-based integration, multivariate-based integration and pathway-based integration, into which all existing statistical methods fit. It also explores the choices in study design for generating samples for analysis by these omics technologies and the impact that these technical decisions have on the subsequent data analysis options.
authors.forename: Rachel
authors.initials: R
authors.lastname: Cavill
authors.forename: Danyel
authors.initials: D
authors.lastname: Jennen
authors.forename: Jos
authors.initials: J
authors.lastname: Kleinjans
authors.forename: Jacob Jan
authors.initials: JJ
authors.lastname: Briedé
mesh_terms: D006801:Humans; D055432:Metabolomics; D059467:Transcriptome
keywords: data integration; metabolomics; study design; transcriptomics