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Genome Biol. 2009;10(7):R77. doi: 10.1186/gb-2009-10-7-r77. Epub 2009 Jul 16.

Probe-level estimation improves the detection of differential splicing in Affymetrix exon array studies.

Author information

  • 1Turku Centre for Biotechnology, University of Turku and Abo Akademi University, Turku, FI-20521, Finland.

Abstract

The recent advent of exon microarrays has made it possible to reveal differences in alternative splicing events on a global scale. We introduce a novel statistical procedure that takes full advantage of the probe-level information on Affymetrix exon arrays when detecting differential splicing between sample groups. In comparison to existing ranking methods, the procedure shows superior reproducibility and accuracy in distinguishing true biological findings from background noise in high agreement with experimental validations.

PMID:
19607685
[PubMed - indexed for MEDLINE]
PMCID:
PMC2728531
Free PMC Article

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