Abstract：
:Performance of a recently developed test for association between multivariate phenotypes and sets of genetic variants (MURAT) is demonstrated using measures of bone mineral density (BMD). By combining individual-level whole genome sequenced data from the UK10K study, and imputed genome-wide genetic data on individuals from the Study of Osteoporotic Fractures (SOF) and the Osteoporotic Fractures in Men Study (MrOS), a data set of 8810 individuals was assembled; tests of association were performed between autosomal gene-sets of genetic variants and BMD measured at lumbar spine and femoral neck. Distributions of p-values obtained from analyses of a single BMD phenotype are compared to those from the multivariate tests, across several region definitions and variant weightings. There is evidence of increased power with the multivariate test, although no new loci for BMD were identified. Among 17 genes highlighted either because there were significant p-values in region-based association tests or because they were in well-known BMD genes, 4 windows in 2 genes as well as 6 single SNPs in one of these genes showed association at genome-wide significant thresholds with the multivariate phenotype test but not with the single-phenotype test, Sequence Kernel Association Test (SKAT).
journal_name
Sci Repjournal_title
Scientific reportsauthors
Sun J,Oualkacha K,Forgetta V,Zheng HF,Richards JB,Evans DS,Orwoll E,Greenwood CMTdoi
10.1038/s41598-017-18385-9subject
Has Abstractpub_date
2018-01-09 00:00:00pages
220issue
1issn
2045-2322pii
10.1038/s41598-017-18385-9journal_volume
8pub_type
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