CHRNB3 is more strongly associated with Fagerström test for cigarette dependence-based nicotine dependence than cigarettes per day: phenotype definition changes genome-wide association studies results.
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AuthorRice, John P
Hartz, Sarah M
Bucholz, Kathleen K
Doheny, Kimberly F
Edenberg, Howard J
Goate, Alison M
Howells, William B
Johnson, Eric O
Krueger, Robert F
Manolio, Teri A
Neuman, Rosalind J
Nurnberger, John I
Ramos, Erin M
Bierut, Laura J
Journal titleAddiction (Abingdon, England)
Publication Begin page2019
Publication End page28
MetadataShow full item record
AbstractNicotine dependence is a highly heritable disorder associated with severe medical morbidity and mortality. Recent meta-analyses have found novel genetic loci associated with cigarettes per day (CPD), a proxy for nicotine dependence. The aim of this paper is to evaluate the importance of phenotype definition (i.e., CPD versus Fagerström test for cigarette dependence (FTCD) score as a measure of nicotine dependence) on genome-wide association studies of nicotine dependence.
Genome-wide association study.
A total of 3365 subjects who had smoked at least one cigarette were selected from the Study of Addiction: Genetics and Environment (SAGE). Of the participants, 2267 were European Americans, 999 were African Americans.
Nicotine dependence defined by FTCD score ≥4, CPD.
The genetic locus most strongly associated with nicotine dependence was rs1451240 on chromosome 8 in the region of CHRNB3 [odds ratio (OR) = 0.65, P = 2.4 × 10(-8) ]. This association was further strengthened in a meta-analysis with a previously published data set (combined P = 6.7 × 10(-16) , total n = 4200). When CPD was used as an alternate phenotype, the association no longer reached genome-wide significance (β = -0.08, P = 0.0004).
Daily cigarette consumption and the Fagerstrom Test for Cigarette Dependence show different associations with polymorphisms in genetic loci.
CitationRice JP, Hartz SM, Agrawal A, Almasy L, Bennett S, Breslau N, Bucholz KK, Doheny KF, Edenberg HJ, Goate AM, Hesselbrock V, Howells WB, Johnson EO, Kramer J, Krueger RF, Kuperman S, Laurie C, Manolio TA, Neuman RJ, Nurnberger JI, Porjesz B, Pugh E, Ramos EM, Saccone N, Saccone S, Schuckit M, Bierut LJ; GENEVA Consortium. CHRNB3 is more strongly associated with Fagerström test for cigarette dependence-based nicotine dependence than cigarettes per day: phenotype definition changes genome-wide association studies results. Addiction. 2012 Nov;107(11):2019-28. doi: 10.1111/j.1360-0443.2012.03922.x. Epub 2012 Jun 15. PMID: 22524403; PMCID: PMC3427406.
The following license files are associated with this item:
- Creative Commons
Except where otherwise noted, this item's license is described as © 2012 The Authors, Addiction © 2012 Society for the Study of Addiction.
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