Association of NFKB1, which encodes a subunit of the transcription factor NF-κB, with alcohol dependence

Howard Edenberg, Xiaoling Xuei, Leah Flury Wetherill, Laura Bierut, Kathleen Bucholz, Danielle M. Dick, Victor Hesselbrock, Sam Kuperman, Bernice Porjesz, Marc A. Schuckit, Jay A. Tischfield, Laura A. Almasy, John Nurnberger, Tatiana Foroud

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Abstract

A broad region on chromosome 4q has been linked to alcohol dependence (alcoholism). We hypothesized that such broad linkage regions represent the combined action of multiple genes. Seeking to identify genes within that region that are associated with alcoholism, we have tested the association of NFKB1, located at 4q24, with alcoholism. NFKB1 encodes a 105 kDa transcription inhibitor that is cleaved to the 50 kDa DNA-binding subunit of the ubiquitous transcription factor NF-κB. NF-κB regulates many genes relevant to brain function, and its actions can be potentiated by ethanol; thus, NFKB1 is an excellent candidate gene for alcoholism. Nineteen SNPs in and near NFKB1 were analyzed in a sample of 219 multiplex alcoholic families of European American descent. Family-based association analyses detected significant evidence of association with eight SNPs and marginal evidence for five more. The association was driven by the affected individuals with earlier onset of alcoholism (55% of the sample with onset ≤21 years). Further analysis of the age of onset as a quantitative variable provided evidence for the association of 12 SNPs in this gene. Thus, variations in NFKB1 appear to affect the risk for alcoholism, particularly contributing to an earlier onset of the disease.

Original languageEnglish
Pages (from-to)963-970
Number of pages8
JournalHuman Molecular Genetics
Volume17
Issue number7
DOIs
StatePublished - Apr 1 2008

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Alcoholism
Transcription Factors
Single Nucleotide Polymorphism
Genes
Alcoholics
Age of Onset
Ethanol
Chromosomes
DNA
Brain

ASJC Scopus subject areas

  • Genetics

Cite this

Association of NFKB1, which encodes a subunit of the transcription factor NF-κB, with alcohol dependence. / Edenberg, Howard; Xuei, Xiaoling; Wetherill, Leah Flury; Bierut, Laura; Bucholz, Kathleen; Dick, Danielle M.; Hesselbrock, Victor; Kuperman, Sam; Porjesz, Bernice; Schuckit, Marc A.; Tischfield, Jay A.; Almasy, Laura A.; Nurnberger, John; Foroud, Tatiana.

In: Human Molecular Genetics, Vol. 17, No. 7, 01.04.2008, p. 963-970.

Research output: Contribution to journalArticle

Edenberg, H, Xuei, X, Wetherill, LF, Bierut, L, Bucholz, K, Dick, DM, Hesselbrock, V, Kuperman, S, Porjesz, B, Schuckit, MA, Tischfield, JA, Almasy, LA, Nurnberger, J & Foroud, T 2008, 'Association of NFKB1, which encodes a subunit of the transcription factor NF-κB, with alcohol dependence', Human Molecular Genetics, vol. 17, no. 7, pp. 963-970. https://doi.org/10.1093/hmg/ddm368
Edenberg, Howard ; Xuei, Xiaoling ; Wetherill, Leah Flury ; Bierut, Laura ; Bucholz, Kathleen ; Dick, Danielle M. ; Hesselbrock, Victor ; Kuperman, Sam ; Porjesz, Bernice ; Schuckit, Marc A. ; Tischfield, Jay A. ; Almasy, Laura A. ; Nurnberger, John ; Foroud, Tatiana. / Association of NFKB1, which encodes a subunit of the transcription factor NF-κB, with alcohol dependence. In: Human Molecular Genetics. 2008 ; Vol. 17, No. 7. pp. 963-970.
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