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A Phenomic Scan of the Norfolk Island Genetic Isolate Identifies a Major Pleiotropic Effect Locus Associated with Metabolic and Renal Disorder Markers

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  • Miles C Benton
  • Rodney A Lea
  • Donia Macartney-Coxson
  • Michelle Hanna
  • David A Eccles
  • Melanie A Carless
  • Geoffrey K Chambers
  • Claire Bellis
  • Harald H Goring
  • Joanne E Curran
  • Jacquie L Harper
  • Gregory Gibson
  • John Blangero
  • Lyn R Griffiths

Abstract

Multiphenotype genome-wide association studies (GWAS) may reveal pleiotropic genes, which would remain undetected using single phenotype analyses. Analysis of large pedigrees offers the added advantage of more accurately assessing trait heritability, which can help prioritise genetically influenced phenotypes for GWAS analysis. In this study we performed a principal component analysis (PCA), heritability (h2) estimation and pedigree-based GWAS of 37 cardiovascular disease -related phenotypes in 330 related individuals forming a large pedigree from the Norfolk Island genetic isolate. PCA revealed 13 components explaining >75% of the total variance. Nine components yielded statistically significant h2 values ranging from 0.22 to 0.54 (P

Suggested Citation

  • Miles C Benton & Rodney A Lea & Donia Macartney-Coxson & Michelle Hanna & David A Eccles & Melanie A Carless & Geoffrey K Chambers & Claire Bellis & Harald H Goring & Joanne E Curran & Jacquie L Harpe, 2015. "A Phenomic Scan of the Norfolk Island Genetic Isolate Identifies a Major Pleiotropic Effect Locus Associated with Metabolic and Renal Disorder Markers," PLOS Genetics, Public Library of Science, vol. 11(10), pages 1-17, October.
    • Handle: RePEc:plo:pgen00:1005593
    DOI: 10.1371/journal.pgen.1005593
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