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首页> 外文期刊>Alcohol >Warsaw high-preferring (WHP) and Warsaw low-preferring (WLP) lines of rats selectively bred for high and low voluntary ethanol intake: preliminary phenotypic characterization.
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Warsaw high-preferring (WHP) and Warsaw low-preferring (WLP) lines of rats selectively bred for high and low voluntary ethanol intake: preliminary phenotypic characterization.

机译:华沙高偏爱(WHP)和华沙低偏爱(WLP)品系的大鼠有选择地进行了自愿性酒精摄入量的高低选择:初步表型表征。

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摘要

The Warsaw High Preferring (WHP) and Warsaw Low Preferring (WLP) lines were bred from Wistar foundation stock to obtain lines of rats that differ in their preference for ethanol solutions. The WHP line has met several major criteria for an animal model of alcoholism. The WHP rats voluntarily drink excessive amounts of ethanol while the WLP rats consume negligible amounts of ethanol. The WHP rats attain physiologically active blood ethanol concentrations with chronic free-choice drinking. They also develop subtle but visible signs of physical dependence (the withdrawal signs). The patterns of ethanol consumption in WHP and WLP lines are stable in time and independent of the manner of access to ethanol solutions. Notably, when exposed to the increasing ethanol concentrations WHP rats gradually increased total ethanol intake whereas the WLP rats consumed invariably very low amounts of ethanol. Furthermore, the WHP rats show an increased responsiveness to the stimulatory effects of low dose of ethanol.
机译:从Wistar基础股票中选育出华沙高偏爱(WHP)和华沙低偏爱(WLP)品系,以获得在乙醇溶液方面偏好不同的大鼠品系。 WHP产品线已达到酒精中毒动物模型的几个主要标准。 WHP大鼠自愿喝过量的乙醇,而WLP大鼠消耗微不足道的乙醇。 WHP大鼠通过长期自由选择饮酒达到生理活性的血液乙醇浓度。他们还会出现细微但可见的身体依赖迹象(退缩迹象)。 WHP和WLP生产线中乙醇消耗的模式在时间上是稳定的,并且与获取乙醇溶液的方式无关。值得注意的是,当暴露于不断增加的乙醇浓度时,WHP大鼠逐渐增加了总乙醇摄入量,而WLP大鼠始终消耗非常少量的乙醇。此外,WHP大鼠显示出对低剂量乙醇刺激作用的增强反应性。

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