{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["14"],"submitter":["Li F"],"pubmed_abstract":["<h4>Background</h4>On thinking quantitatively of complex diseases, there are at least three statistical strategies for analyzing the gene-gene interaction: SNP by SNP interaction on single trait, gene-gene (each can involve multiple SNPs) interaction on single trait and gene-gene interaction on multiple traits. The third one is the most general in dissecting the genetic mechanism underlying complex diseases underpinning multiple quantitative traits. In this paper, we developed a novel statistic for this strategy through modifying the Partial Least Squares Path Modeling (PLSPM), called mPLSPM statistic.<h4>Results</h4>Simulation studies indicated that mPLSPM statistic was powerful and outperformed the principal component analysis (PCA) based linear regression method. Application to real data in the EPIC-Norfolk GWAS sub-cohort showed suggestive interaction (γ) between TMEM18 gene and BDNF gene on two composite body shape scores (γ = 0.047 and γ = 0.058, with P = 0.021, P = 0.005), and BMI (γ = 0.043, P = 0.034). This suggested these scores (synthetically latent traits) were more suitable to capture the obesity related genetic interaction effect between genes compared to single trait.<h4>Conclusions</h4>The proposed novel mPLSPM statistic is a valid and powerful gene-based method for detecting gene-gene interaction on multiple quantitative phenotypes."],"journal":["BMC genetics"],"pagination":["89"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC3848962"],"repository":["biostudies-literature"],"pubmed_title":["A powerful latent variable method for detecting and characterizing gene-based gene-gene interaction on multiple quantitative traits."],"pmcid":["PMC3848962"],"pubmed_authors":["Xue F","Li F","Zhang X","Ji J","Zhao J","Yuan Z"],"additional_accession":[]},"is_claimable":false,"name":"A powerful latent variable method for detecting and characterizing gene-based gene-gene interaction on multiple quantitative traits.","description":"<h4>Background</h4>On thinking quantitatively of complex diseases, there are at least three statistical strategies for analyzing the gene-gene interaction: SNP by SNP interaction on single trait, gene-gene (each can involve multiple SNPs) interaction on single trait and gene-gene interaction on multiple traits. The third one is the most general in dissecting the genetic mechanism underlying complex diseases underpinning multiple quantitative traits. In this paper, we developed a novel statistic for this strategy through modifying the Partial Least Squares Path Modeling (PLSPM), called mPLSPM statistic.<h4>Results</h4>Simulation studies indicated that mPLSPM statistic was powerful and outperformed the principal component analysis (PCA) based linear regression method. Application to real data in the EPIC-Norfolk GWAS sub-cohort showed suggestive interaction (γ) between TMEM18 gene and BDNF gene on two composite body shape scores (γ = 0.047 and γ = 0.058, with P = 0.021, P = 0.005), and BMI (γ = 0.043, P = 0.034). This suggested these scores (synthetically latent traits) were more suitable to capture the obesity related genetic interaction effect between genes compared to single trait.<h4>Conclusions</h4>The proposed novel mPLSPM statistic is a valid and powerful gene-based method for detecting gene-gene interaction on multiple quantitative phenotypes.","dates":{"release":"2013-01-01T00:00:00Z","publication":"2013 Sep","modification":"2024-11-06T04:07:54.243Z","creation":"2019-03-27T03:09:40Z"},"accession":"S-EPMC3848962","cross_references":{"pubmed":["24059907"],"doi":["10.1186/1471-2156-14-89"]}}