10 Scopus citations


Background: Testing for direct gene or single nucleotide polymorphism replication of association across studies may not capture the true importance of a candidate locus; rather, we suggest that relevant replication across studies may be found at the level of a biological process. We previously observed that variation in 2 members of the switching defective/sucrose nonfermenting (SWI/SNF) chromatin remodeling complex is associated with alcohol dependence (AD) in the Irish Affected Sib Pair Study for Alcohol Dependence. Here, we tested for association with alcohol-related outcomes using a set of genes functioning in the SWI/SNF complex in 2 independent samples. Methods: We used a set-based analysis to examine the 29 genes of the SWI/SNF complex for evidence of association with (i) AD in the adult Collaborative Study on the Genetics of Alcoholism (COGA) case-control sample and (ii) antisocial behavior, hypothesized to be a genetically related developmental precursor, in a younger population sample (Spit for Science [S4S]). Results: We found evidence for association of the SWI/SNF complex with AD in COGA (p = 0.0435) and more general antisocial behavior in S4S (p = 0.00026). The genes that contributed most strongly to the signal in COGA were SS18L1, SMARCD1, BRD7, BCL7B, SMARCB1, and BCL11A. In the S4S sample, ACTB, ARID2, BCL11A, BCL11B, BCL7B, BCL7C, DPF2, and DPF3 all contributed strongly to the signal. Conclusions: We detected associations between the SWI/SNF complex and AD in an adult population selected from treatment-seeking probands and antisocial behavior in an adolescent population sample. This provides strong support for a role for SWI/SNF in the development of alcohol-related problems.

Original languageEnglish
Pages (from-to)2033-2040
Number of pages8
JournalAlcoholism: Clinical and Experimental Research
Issue number12
StatePublished - Dec 2017


  • Alcohol Dependence
  • Antisocial Behavior
  • Chromatin Remodeling
  • Collaborative Study on the Genetics of Alcoholism
  • Externalizing
  • Switching Defective/Sucrose Nonfermenting


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