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GSA-SNP: a general approach for gene set analysis of polymorphisms.

Nucleic acids research | Jul 25, 2010

http://www.ncbi.nlm.nih.gov/pubmed/20501604

Genome-wide association (GWA) study aims to identify the genetic factors associated with the traits of interest. However, the power of GWA analysis has been seriously limited by the enormous number of markers tested. Recently, the gene set analysis (GSA) methods were introduced to GWA studies to address the association of gene sets that share common biological functions. GSA considerably increased the power of association analysis and successfully identified coordinated association patterns of gene sets. There have been several approaches in this direction with some limitations. Here, we present a general approach for GSA in GWA analysis and a stand-alone software GSA-SNP that implements three widely used GSA methods. GSA-SNP provides a fast computation and an easy-to-use interface. The software and test datasets are freely available at http://gsa.muldas.org. We provide an exemplary analysis on adult heights in a Korean population.

Pubmed ID: 20501604 RIS Download

Mesh terms: Adult | Body Height | Genome-Wide Association Study | Humans | Internet | Polymorphism, Single Nucleotide | Software | User-Computer Interface