A genome-wide search for linkage to asthma phenotypes in the genetics of asthma international network families: Evidence for a major susceptibility locus on chromosome 2p

Sreekumar G. Pillai, Mathias N. Chiano, Nicola J. White, Marcy Speer, Kathleen C. Barnes, Karin Carlsen, Jorrit Gerritsen, Peter Helms, Warren Lenney, Michael Silverman, Peter Sly, John Sundy, John Tsanakas, Andrea von Berg, Moira Whyte, Shela Varsani, Paul Skelding, Michael Hauser, Jeffery Vance, Margaret Pericak-VanceDaniel K. Burns, Lefkos T. Middleton, Shyama R. Brewster, Wayne H. Anderson, John H. Riley

Research output: Contribution to journalArticle

Abstract

Asthma is a complex disease and the intricate interplay between genetic and environmental factors underlies the overall phenotype of the disease. Families with at least two siblings with asthma were collected from Europe, Australia and the US. A genome scan using a set of 364 families with a panel of 396 microsatellite markers was conducted. Nonparametric linkage analyses were conducted for asthma and three asthma-related phenotypes: bronchial hyper-reactivity (BHR), strict definition of asthma and atopic asthma. Nine chromosomal regions with LOD scores greater than 1.5 were identified (chromosomes 1q, 2p, 3q, 4p, 4q, 6q, 12q, 20p and 21). Linkage refinement analysis was performed for three BHR loci by genotyping single nucleotide polymorphisms at an average marker density of 1 cM. The LOD scores increased to 3.07 at chromosome 4p and 4.58 at chromosome 2p, while the chromosome 6p locus did not refine. The LOD score at the chromosome 2p locus is highly significant on a genome-wide basis. The refined locus covers a region with a physical size of 12.2 Mb. Taken together, these results provide evidence for a major asthma susceptibility locus on chromosome 2p.

Original languageEnglish (US)
Pages (from-to)307-316
Number of pages10
JournalEuropean Journal of Human Genetics
Volume14
Issue number3
DOIs
StatePublished - Mar 2006

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Asthma
Chromosomes
Genome
Phenotype
Microsatellite Repeats
Single Nucleotide Polymorphism

Keywords

  • Asthma
  • Bronchial hyper-reactivity
  • Linkage
  • SNP
  • STRP

ASJC Scopus subject areas

  • Genetics(clinical)

Cite this

A genome-wide search for linkage to asthma phenotypes in the genetics of asthma international network families : Evidence for a major susceptibility locus on chromosome 2p. / Pillai, Sreekumar G.; Chiano, Mathias N.; White, Nicola J.; Speer, Marcy; Barnes, Kathleen C.; Carlsen, Karin; Gerritsen, Jorrit; Helms, Peter; Lenney, Warren; Silverman, Michael; Sly, Peter; Sundy, John; Tsanakas, John; von Berg, Andrea; Whyte, Moira; Varsani, Shela; Skelding, Paul; Hauser, Michael; Vance, Jeffery; Pericak-Vance, Margaret; Burns, Daniel K.; Middleton, Lefkos T.; Brewster, Shyama R.; Anderson, Wayne H.; Riley, John H.

In: European Journal of Human Genetics, Vol. 14, No. 3, 03.2006, p. 307-316.

Research output: Contribution to journalArticle

Pillai, SG, Chiano, MN, White, NJ, Speer, M, Barnes, KC, Carlsen, K, Gerritsen, J, Helms, P, Lenney, W, Silverman, M, Sly, P, Sundy, J, Tsanakas, J, von Berg, A, Whyte, M, Varsani, S, Skelding, P, Hauser, M, Vance, J, Pericak-Vance, M, Burns, DK, Middleton, LT, Brewster, SR, Anderson, WH & Riley, JH 2006, 'A genome-wide search for linkage to asthma phenotypes in the genetics of asthma international network families: Evidence for a major susceptibility locus on chromosome 2p', European Journal of Human Genetics, vol. 14, no. 3, pp. 307-316. https://doi.org/10.1038/sj.ejhg.5201532
Pillai, Sreekumar G. ; Chiano, Mathias N. ; White, Nicola J. ; Speer, Marcy ; Barnes, Kathleen C. ; Carlsen, Karin ; Gerritsen, Jorrit ; Helms, Peter ; Lenney, Warren ; Silverman, Michael ; Sly, Peter ; Sundy, John ; Tsanakas, John ; von Berg, Andrea ; Whyte, Moira ; Varsani, Shela ; Skelding, Paul ; Hauser, Michael ; Vance, Jeffery ; Pericak-Vance, Margaret ; Burns, Daniel K. ; Middleton, Lefkos T. ; Brewster, Shyama R. ; Anderson, Wayne H. ; Riley, John H. / A genome-wide search for linkage to asthma phenotypes in the genetics of asthma international network families : Evidence for a major susceptibility locus on chromosome 2p. In: European Journal of Human Genetics. 2006 ; Vol. 14, No. 3. pp. 307-316.
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