Refereed journal article or data article (A1)

Tensorial blind source separation for improved analysis of multi-omic data

List of AuthorsTeschendorff AE, Jing H, Paul DS, Virta J, Nordhausen K


Publication year2018

JournalGenome Biology

Journal name in sourceGENOME BIOLOGY

Journal acronymGENOME BIOL

Volume number19

Number of pages18



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There is an increased need for integrative analyses of multi-omic data. We present and benchmark a novel tensorial independent component analysis (tICA) algorithm against current state-of-the-art methods. We find that tICA outperforms competing methods in identifying biological sources of data variation at a reduced computational cost. On epigenetic data, tICA can identify methylation quantitative trait loci at high sensitivity. In the cancer context, tICA identifies gene modules whose expression variation across tumours is driven by copy-number or DNA methylation changes, but whose deregulation relative to normal tissue is independent of such alterations, a result we validate by direct analysis of individual data types.

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Last updated on 2022-07-04 at 16:56