Ethanol-induced c-Fos expression in rat lines selected for low and high alcohol consumption

被引:51
|
作者
Thiele, TE
vanDijk, G
Bernstein, IL
机构
[1] Department of Psychology, University of Washington, Box 351525, Seattle
关键词
ethanol; c-Fos; genetics; selected line; locus coeruleus; nucleus accumbens;
D O I
10.1016/S0006-8993(97)00228-X
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Selectively bred rat lines, developed to model genetic contributions to alcohol abuse, include the Indiana alcohol-preferring (P) and alcohol-nonpreferring (NP) Lines, and the Alko-Alcohol (AA) and Alko-Nonalcohol (ANA) lines. Preferring and nonpreferring lines were compared in their response to intraperitoneal injection of either ethanol or isotonic saline using c-Fos expression as a marker of neuronal activity. Although line differences were noted in several brain regions, the principal finding was that alcohol-nonpreferring lines (NP and ANA) displayed greater c-Fos expression in the locus coeruleus (LC) relative to the alcohol-preferring lines (P and AA) following injection of 3.0 g ethanol/kg. These data point to the LC as an area which may play a role in the differences in voluntary ethanol consumption between rat lines genetically bred for low and high ethanol preference.
引用
收藏
页码:278 / 282
页数:5
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