ArticlePsychopharmacology2013
Determining the heritability of ethanol-induced locomotor sensitization in mice using short-term behavioral selection.
Article in Psychopharmacology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Dorsal striatal circuit mechanisms contributing to astrocyte modulation of alcohol-related behaviors.bioRxiv : the preprint server for biology · 2026Article
- Does tolerance to ethanol-induced ataxia explain the sensitized response to ethanol?Frontiers in psychiatry · 2024Article
- Interstrain differences in adolescent fear conditioning after acute alcohol exposure.Brain research bulletin · 2023Article
- A critical review of front-loading: A maladaptive drinking pattern driven by alcohol's rewarding effects.Alcoholism, clinical and experimental research · 2022Review
- Altered excitatory transmission in striatal neurons after chronic ethanol consumption in selectively bred crossed high alcohol-preferring mice.Neuropharmacology · 2021Article
- Short-Term Genetic Selection for Adolescent Locomotor Sensitivity to Delta9-Tetrahydrocannabinol (THC).Behavior genetics · 2018Article
- Unique genetic factors influence sensitivity to the rewarding and aversive effects of methamphetamine versus cocaine.Behavioural brain research · 2013Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
rationaleSensitization to the locomotor stimulant effects of alcohol (ethanol) is thought to be a heritable risk factor for the development of alcoholism that reflects progressive increases in the positive motivational effects of this substance. However, very little is known about the degree to which genes influence this complex behavioral phenomenon.
objectivesThe primary goal of this work was to determine the heritability of ethanol-induced locomotor sensitization in mice using short-term behavioral selection.
methodsGenetically heterogeneous C57BL/6J (B6) × DBA/2J (D2) F2 mice were generated from B6D2F1 progenitors, phenotyped for the expression of locomotor sensitization, and bred for high (HLS) and low (LLS) expression of this behavior. Selective breeding was conducted in two independently generated replicate sets to increase the confidence of our heritability estimates and for future correlated trait analyses.
resultsLarge and significant differences in locomotor sensitization between HLS and LLS lines were evident by the fourth generation. Twenty-two percent of the observed line difference(s) were attributable to genes (h² = .22). Interestingly, locomotor activity in the absence of ethanol was genetically correlated with ethanol sensitization; high activity was associated with high sensitization.
conclusionsThat changes in ethanol sensitivity following repeated exposures are genetically regulated highlights the relevance of studies aimed at determining how genes regulate susceptibility to ethanol-induced behavioral and neural adaptations. As alcohol use and abuse disorders develop following many repeated alcohol exposures, these data emphasize the need for future studies determining the genetic basis by which changes in response to alcohol occur.
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