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Behav Genet. 2009 Mar;39(2):183-91. doi: 10.1007/s10519-008-9249-5. Epub 2008 Dec 24.

Studies on Syntaxin 12 and alcohol preference involving C57BL/6J and DBA/2J strains of mice.

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1
Department of Biology, University of Western Ontario, London, Ontario, Canada.

Abstract

C57BL/6J and DBA/2J inbred mouse strains have been extensively studied for the genetic dissection of alcohol-related phenotypes. We have previously found Syntaxin 12 to be associated with alcohol preference in C57BL/6J and DBA/2J due to its strain-specific and ethanol responsive expression in the male brain. In the current study, we combined genetic and expression analyses to assess the segregation of Syntaxin 12 c.*1370G>A polymorphism with its strain-specific expression and alcohol preference in an F (2) population (N = 427) derived from C57BL/6J and DBA/2J strains. Syntaxin 12 c.*1370G>A polymorphism was found to segregate with alcohol preference in the B6D2F2 population and a correlation was identified between Syntaxin 12 expression and alcohol preference in the selected B6D2F2 males (r = -0.473, r (2) = 0.22). We followed up our analysis in the BXD RI lines using resources from WebQTL and the Mouse Phenome Database. Our study detected significant associations of Syntaxin 12 molecular variants with its level of expression and alcohol preference in B6D2F2 males. Overall, our findings support a role for Syntaxin 12 as a potential contributor to alcohol preference in mice.

PMID:
19107586
DOI:
10.1007/s10519-008-9249-5
[Indexed for MEDLINE]
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