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Towards Prediction and Prioritization of disease genes by the modularity of human phenome-genome assembled network

Jiang, Jeffrey Q. ; Dress, Andreas W. M. ; Chen, Ming

Journal of Integrative Bioinformatics - JIB (ISSN 1613-4516)



Abstract:
Empirical clinical studies on the human interactome and phenome not only illustrates prevalent phenotypic overlap and genetic overlap between diseases, but also reveals a modular organization of the genetic landscape of human disease, provding new opportunities to reduce the complexity in dissecting the phenotype-genotype association. We here introduce a network-module based method towards phenotype-genotype association inference and disease gene identification. This approach incorporates protein-protein interaction network, phenotype similarity network and known phenotype-genotype associations into an assembled network. We then decomposes the resulted network into modules (or communities)wherein we identified and prioritized the disease genes from the candidates within the loci associated with the query disease using a linear regression model and concordance score. For the known phenotype-gene associations in the OMIM database, we used the leave-one-out validation to evaluate the feasibility of our method, and successfully ranked known disease genes at top 1 in 887 out of 1807 cases. Moreover, applying this approach on 850 OMIMloci characterized by an unknown molecular basis, we propose high-probability candidates for 81 genetic diseases.


Bemerkung: A. Dress and M. Chen have requested that this article be withdrawn because it contains material already published elsewhere and apologize that the first author inappropriately used figures and tables in other papers (FEBS Lett. 582(17):2549-54, 2008).
Beteiligte Einrichtung: Technische Fakultät, Arbeitsgruppen der Informatik
DDC-Sachgruppe: Datenverarbeitung, Informatik

Zitat-Vorschlag:
Jiang, Jeffrey Q. ; Dress, Andreas W. M. ; Chen, Ming  (2010)  Towards Prediction and Prioritization of disease genes by the modularity of human phenome-genome assembled network. Journal of Integrative Bioinformatics - JIB (ISSN 1613-4516), 7(2), 2010

Online-Journal: http://journal.imbio.de/article.php?aid=149
URL: http://biecoll.ub.uni-bielefeld.de/volltexte/2010/5050



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 Letzte Änderung: 15.2.2011
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