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Multilocus Linkage Analysis of the German Asthma Data
Author(s) -
Zandi Peter P.,
Klein Alison P.,
Addington Anjene Musick,
Hetmanski Jacqueline B.,
Roberts Linda,
Pella Rita,
Shrestha Sadeep,
Shaw Cheng-Kuang,
Kiat Heng Chew,
Langefeld Carl D.,
Beaty Terri H.
Publication year - 2001
Publication title -
genetic epidemiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.301
H-Index - 98
eISSN - 1098-2272
pISSN - 0741-0395
DOI - 10.1002/gepi.2001.21.s1.s210
Subject(s) - linkage (software) , german , genetics , genetic linkage , biology , computational biology , geography , gene , archaeology
We analyzed data from the German Asthma Genetics Group with three methods that utilize pedigree‐specific nonparametric linkage scores to facilitate the search for multiple independent and interacting susceptibility loci. The three methods included a conditional analysis, logistic regression, and neural networks. Although there were differences, the three methods identified many of the same susceptibility loci. The most consistent evidence was provided for loci on chromosomes 1, 2, 6, 9, and 15. Both the conditional and the logistic regression analyses suggested an epistatic relationship between loci on chromosomes 2 and 9. The logistic regression analysis further revealed evidence for locus heterogeneity between loci on chromosomes 6 and 15. Finally, the neural network analysis identified a potential locus on chromosome 17 that was not identified in the other analyses. © 2001 Wiley‐Liss, Inc.