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Messina: a novel analysis tool to identify biologically relevant molecules in disease.


Global analysis of gene expression aims to identify key genes, the aberrant expression of which provides insight into the molecular mechanisms of disease. The identification of relevant genes remains challenging, in part because disease heterogeneity ensures that many key genes will not be aberrantly expressed in every specimen. As current gene identification techniques penalise genes with such inconsistent aberrant expression, sometimes to the point of not detecting them at all, there is a need for an analysis methodology with a reduced sensitivity to the frequency of aberrant gene expression across a sample set. Here we present Messina, a method that can identify genes that show more biologically-relevant frequencies of differential expression in disease. We demonstrate with simulated data that Messina is highly sensitive and specific when used for gene selection, compare Messina to contemporary analysis techniques, and validate the aberrant expression of a gene detected by Messina but not by conventional methods. Messina has been packaged into a freely-available stand-alone software program for the analysis of microarray data.

Type Journal
ISBN 1932-6203 (Electronic)
Authors Pinese, M.; Scarlett, C.J.; Kench, J.G.; Colvin, E.K.; Segara, D.; Sutherland, R.L.; Biankin, A.V.
Garvan Authors Dr Mark Pinese
Publisher Name PLoS ONE
Published Date 2009-04-28 00:00:00
Published Volume 4
Published Issue 4
Published Pages e5337
Status Published In-print
OpenAccess Link Pinese pone.0005337.pdf