期刊
ALCOHOL
卷 48, 期 3, 页码 313-320出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.alcohol.2014.03.002
关键词
Alcohol; Relapse; Alcohol deprivation effect (ADE); Compulsive drinking; DSM-5 based animal models; Anti-relapse compounds
资金
- Bundesministerium fur Bildung und Forschung (NGFN Plus) [FKZ: 01GS08152]
- e:Med program [FKZ: 01ZX1311A]
- Deutsche Forschungsgemeinschaft (DFG) [SFB 636 (B1)]
- Reinhart-Koselleck Award [SP 383/5-1]
- MWK in Baden-Widrttemberg
Understanding the psychological mechanisms and underlying neurobiology of relapse behavior is essential for improving the treatment of addiction. Because the neurobiology of relapse behavior cannot be well studied in patients, we must rely on appropriate animal models. The alcohol deprivation effect (ADE) is a phenomenon in laboratory animals that models a relapse-like drinking situation, broviding excellent face and predictive validity. In rodents, relapse-like behavior is largely influenced by the genetic make-up of an animal. It is not clear which other factors are responsible for variability of this behavior, but there seems to be no correlation between levels of baseline alcohol intake and the occurrence, duration, and robustness of the ADE. Rats that undergo long-term alcohol drinking for several months with repeated deprivation phases develop a compulsive drinking behavior during a relapse situation, characterized by insensitivity to taste adulteration with quinine, a loss of circadian drinking patterns during relapse-like drinking, and a shift toward drinking highly concentrated alcohol solutions to rapidly increase blood alcohol concentrations and achieve intoxication. Some mouse strains also exhibit an ADE, but this is usually of shorter duration than in rats. However, compulsive drinking in mice during a relapse situation has yet to be demonstrated. We extend our review section with original data showing that during long-term alcohol consumption, mice show a decline in alcohol intake, and the ADE fades with repeated deprivation phases. Furthermore, anti-relapse compounds that produce reliable effects on the ADE in rats produce paradoxical effects in mice. We conclude that the rat provides a better model system to study alcohol relapse and putative anti-relapse compounds. (C) 2014 Elsevier Inc. All rights reserved.
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