A sex-adjusted and age-adjusted genome screen for nested alcohol dependence diagnoses

J. Corbett, N. L. Saccone, Tatiana Foroud, A. Goate, Howard Edenberg, John Nurnberger, B. Porjesz, H. Begleiter, T. Reich, J. P. Rice

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Alcohol dependence is a complex disorder with a substantial genetic contribution to susceptibility. The Collaborative Study on the Genetics of Alcoholism is a multi-site study whose purpose is to detect, localize, and characterize genes contributing to this susceptibility. Previous linkage analyses of the trait of alcohol dependence in Collaborative Study on the Genetics of Alcoholism have used affected sib-pair methods with a dichotomous phenotype definition. In contrast, the analysis in this paper uses a sex-adjusted and age-adjusted multiple threshold liability model. The use of such a model, in that it includes unaffected as well as as affected subjects and in that it utilizes the differential severity of a diagnosis scale, should heuristically be more powerful than a straight affected sib-pair analysis. Three regions of interest are found on chromosome 1 (Iod 5.17), chromosome 4 (Iod 3.46), and chromosome 8 (Iod 4.31). The region on chromosome 1 near the marker D1S532 is in the region previously reported as linked to alcohol dependence and correlated phenotypes in this dataset. The region on chromosome 4 near the alcohol dehydrogenase gene cluster has been reported to be linked to alcohol dependence in other studies, as well as to the alcohol consumption phenotype 'Maximum Number of Drinks in a 24-Hour Period' in this dataset. The region on chromosome 8 near the marker D8S1988 is homologous to a section of rat chromosome 5 to which an alcohol consumption phenotype has been linked.

Original languageEnglish
Pages (from-to)25-30
Number of pages6
JournalPsychiatric Genetics
Volume15
Issue number1
DOIs
StatePublished - Mar 2005

Fingerprint

Alcoholism
Genome
Phenotype
Chromosomes, Human, Pair 8
Chromosomes, Human, Pair 4
Chromosomes, Human, Pair 1
Alcohol Drinking
Chromosomes, Human, Pair 5
Alcohol Dehydrogenase
Multigene Family
Genes
Datasets

Keywords

  • Alcoholism
  • Normal threshold liability model
  • Polychotomous phenotype
  • Variance components analysis

ASJC Scopus subject areas

  • Genetics(clinical)
  • Psychiatry and Mental health
  • Genetics
  • Neuroscience(all)

Cite this

A sex-adjusted and age-adjusted genome screen for nested alcohol dependence diagnoses. / Corbett, J.; Saccone, N. L.; Foroud, Tatiana; Goate, A.; Edenberg, Howard; Nurnberger, John; Porjesz, B.; Begleiter, H.; Reich, T.; Rice, J. P.

In: Psychiatric Genetics, Vol. 15, No. 1, 03.2005, p. 25-30.

Research output: Contribution to journalArticle

Corbett, J. ; Saccone, N. L. ; Foroud, Tatiana ; Goate, A. ; Edenberg, Howard ; Nurnberger, John ; Porjesz, B. ; Begleiter, H. ; Reich, T. ; Rice, J. P. / A sex-adjusted and age-adjusted genome screen for nested alcohol dependence diagnoses. In: Psychiatric Genetics. 2005 ; Vol. 15, No. 1. pp. 25-30.
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