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Model-based prediction of cis-acting RNA elements regulating tissue-specifc alternative splicing

Xin Wang, Kejun Wang, Guohua Wang, Jeremy R. Sanford, Yunlong Liu

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Here we describe a model-based approach to predict cis-acting RNA elements which regulate tissue-specific alternative splicing. The model facilitates the identification of cis-acting elements (or CAE) and the estimation of their activities, considering the splicing variants between two different tissues as the combinatorial functions of multiple elements. We implement this model on a set of differentially expressed exons, between heart and liver, derived from Affymetrix GeneChip® Human Exon 1.0 ST Array sample data. Focusing on hexamers, we select top 15 motifs with greatest cumulative exon inclusion (EIC) scores as the potential as-acting elements. Eight of the total 15 hexamers are validated based on known exonic splicing regulators (ESRs) and predicted ESRs (PESRs). Permutation test demonstrates that the predicted EIC scores are statistically significant. Based on the prediction, we propose that PTB, hnRNP-B, SRp40, as well as other unknown factors are involved in the tissue-specific alternative splicing between heart and liver.
Original languageEnglish
Title of host publication8th IEEE International Conference on BioInformatics and BioEngineering, BIBE 2008
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event8th IEEE International Conference on BioInformatics and BioEngineering, BIBE 2008 - Athens, Greece
Duration: 8 Oct 200810 Oct 2008

Publication series

Name8th IEEE International Conference on BioInformatics and BioEngineering, BIBE 2008

Conference

Conference8th IEEE International Conference on BioInformatics and BioEngineering, BIBE 2008
PlaceGreece
CityAthens
Period8/10/0810/10/08

Bibliographical note

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