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Saturday, August 15, 2009

A grandparent-influenced locus for alcohol preference on mouse chromosome 2
Pharmacogenetics and Genomics: 12 August 2009

Loci on mouse chromosome 2 have previously been associated with ethanol consumption.

Using a limited access choice paradigm, we found that mouse chromosome 2 carries an allelic variant of a locus for ethanol intake and a distinct locus selective for ethanol preference. The heritability of alcoholism has been suggested to be parent-specific, perhaps resulting from genetic imprinting.
Our findings suggest that grandparent-influenced vulnerability for ethanol consumption is conferred by genes on chromosome 2, providing important new leads to enhance our understanding of the heritability of alcoholism.




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