ArticleAlcohol (Fayetteville, N.Y.)2019
Voluntary ethanol consumption during early social isolation and responding for ethanol in adulthood.
Article in Alcohol (Fayetteville, N.Y.), 2019. 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, 12 citations in OpenAlex.
- Effects of isolation stress and voluntary ethanol exposure during adolescence on ethanol and nicotine co-use in adulthood using male rats.Drug and alcohol dependence reports · 2024Article
- Limited bedding and nesting increases ethanol drinking in female rats.Pharmacology, biochemistry, and behavior · 2024Article
- Adolescent social isolation increases binge-like alcohol drinking in male but not female high-alcohol-preferring mice.Alcohol and alcoholism (Oxford, Oxfordshire) · 2024Article
- Rats choose alcohol over social reward in an operant choice procedure.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2023Article
- Effects of voluntary adolescent intermittent alcohol exposure and social isolation on adult alcohol intake in male rats.Alcohol (Fayetteville, N.Y.) · 2022Article
- Social isolation-related depression accelerates ethanol intake via microglia-derived neuroinflammation.Science advances · 2021Article
- The effects of voluntary adolescent alcohol consumption on alcohol taste reactivity in Long Evans rats.Psychopharmacology · 2021Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Little is known about the influence of rearing environments concurrent with voluntary intermittent access to ethanol on subsequent adult ethanol-related behaviors. Previous research has shown that adult rats reared in post-weaning, social isolation conditions (IC) respond more for operant ethanol compared to laboratory standard conditions (SC). Ethanol-exposed adolescents tend to consume more ethanol in adulthood than rats exposed as adults. The current study examined voluntary ethanol consumption during adolescence between IC and SC rats, subsequent operant responding for ethanol, and extinction of responding in the same rats as adults. Differences in ethanol metabolism may alter the amount of reward value per unit of ethanol consumed. Therefore, the current study also examined blood ethanol concentrations (BEC) between IC rats and SC rats. Ethanol-naïve Long-Evans rats arrived in the lab at postnatal day (PND) 21 and were separated into either IC or SC where they remained for the duration of the experiments. On PND 27, rats received intermittent access to 20% ethanol (3 days/week) for 4 or 6 weeks. Rats in the 6-week cohort were then trained to lever press for 20% ethanol in 30-min sessions followed by extinction. A separate cohort was reared in IC or SC, injected with 1.5 or 3.0 g/kg of ethanol (intraperitoneally [i.p.]), followed by BEC measurement. Overall, IC rats had higher ethanol preference and consumption during adolescence/early adulthood. IC and SC rats did not differ in their rates of operant responding for ethanol, and SC rats responded more than IC rats during extinction. There were no differences in BEC between IC and SC rats. These findings highlight the importance of the environment during rat adolescent development with isolation conditions increasing binge-like drinking and ethanol preference after 3-4 weeks without differences in metabolism as a potential factor. Additionally, the findings indicate that intermittent adolescent access to ethanol may change typical differences in operant responding patterns between IC and SC rats in adulthood.
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