Application of a rank-based genetic association test to age-at-onset data from the Collaborative Study on the Genetics of Alcoholism study.

dc.contributor.author

Li, YJ

dc.contributor.author

Martin, ER

dc.contributor.author

Zhang, L

dc.contributor.author

Allen, AS

dc.coverage.spatial

England

dc.date.accessioned

2015-09-21T01:08:52Z

dc.date.issued

2005-12-30

dc.description.abstract

Association studies of quantitative traits have often relied on methods in which a normal distribution of the trait is assumed. However, quantitative phenotypes from complex human diseases are often censored, highly skewed, or contaminated with outlying values. We recently developed a rank-based association method that takes into account censoring and makes no distributional assumptions about the trait. In this study, we applied our new method to age-at-onset data on ALDX1 and ALDX2. Both traits are highly skewed (skewness > 1.9) and often censored. We performed a whole genome association study of age at onset of the ALDX1 trait using Illumina single-nucleotide polymorphisms. Only slightly more than 5% of markers were significant. However, we identified two regions on chromosomes 14 and 15, which each have at least four significant markers clustering together. These two regions may harbor genes that regulate age at onset of ALDX1 and ALDX2. Future fine mapping of these two regions with densely spaced markers is warranted.

dc.identifier

http://www.ncbi.nlm.nih.gov/pubmed/16451665

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1471-2156-6-S1-S53

dc.identifier.eissn

1471-2156

dc.identifier.uri

https://hdl.handle.net/10161/10631

dc.language

eng

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Springer Science and Business Media LLC

dc.relation.ispartof

BMC Genet

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10.1186/1471-2156-6-S1-S53

dc.subject

Adult

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Age of Onset

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Alcoholism

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Chromosomes, Human, Pair 14

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Chromosomes, Human, Pair 15

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Cooperative Behavior

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Databases, Genetic

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Genetic Markers

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Genetic Predisposition to Disease

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Genetic Testing

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Humans

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Models, Genetic

dc.title

Application of a rank-based genetic association test to age-at-onset data from the Collaborative Study on the Genetics of Alcoholism study.

dc.type

Journal article

duke.contributor.orcid

Li, YJ|0000-0001-6996-4834

duke.contributor.orcid

Allen, AS|0000-0002-7232-2143

pubs.author-url

http://www.ncbi.nlm.nih.gov/pubmed/16451665

pubs.begin-page

S53

pubs.organisational-group

Basic Science Departments

pubs.organisational-group

Biostatistics & Bioinformatics

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Duke

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Duke Clinical Research Institute

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Duke Molecular Physiology Institute

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Institutes and Centers

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School of Medicine

pubs.publication-status

Published online

pubs.volume

6 Suppl 1

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