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Pharmacol Biochem Behav. 1987 Jun;27(2):317-22.

Reexamination of the relationship between alcohol preference and brain monoamines in inbred strains of mice including senescence-accelerated mice.


The relationship between voluntary alcohol consumption and brain monoamine levels was studied in the inbred strains of C57BL/6N, C57BL/6J, A/J, BALB/cA, CBA/N, C3H/He and DBA/2cr mice; the congeneric mouse strain, B10.Br/Sg, and the senescence accelerated mouse (SAM P1, SAM P2). The C57BL strains exhibited a high alcohol preference whereas the other strains exhibited a low alcohol preference. A clear positive relationship was found between alcohol intake (g/kg/day) and brain norepinephrine level (r = 0.683, p less than 0.05), and a clear negative relationship between alcohol intake and brain serotonin level (r = -0.628, p less than 0.05). The content of brain dopamine was not clearly correlated with alcohol intake (r = -0.206, p greater than 0.05). These findings suggest that in mice voluntary alcohol preference is influenced by brain norepinephrine and serotonin levels genetically.

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