Cited by 170Prenatal Substance Exposure EffectsSubstance Abuse Treatment and OutcomesNeural and Behavioral Psychology Studies

Adolescent binge ethanol treatment alters adult brain regional volumes, cortical extracellular matrix protein and behavioral flexibility

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Coleman, Leon Garland, Liu, Wen, Oguz, Ipek, Styner, Martin, Crews, Fulton T.·2014·Pharmacology Biochemistry and Behavior

Abstract

Adolescents binge drink more than any other age group, increasing risk of disrupting the development of the frontal cortex. We hypothesized that adolescent binge drinking would lead to persistent alterations in adulthood. In this study, we modeled adolescent weekend underage binge-drinking, using adolescent mice (post-natal days [P] 28-37). The adolescent intermittent binge ethanol (AIE) treatment includes 6 binge intragastric doses of ethanol in an intermittent pattern across adolescence. Assessments were conducted in adulthood following extended abstinence to determine if there were persistent changes in adults. Reversal learning, open field and other behavioral assessments as well as brain structure using magnetic imaging and immunohistochemistry were determined. We found that AIE did not impact adult Barnes Maze learning. However, AIE did cause reversal learning deficits in adults. AIE also caused structural changes in the adult brain. AIE was associated with adulthood volume enlargements in specific brain regions without changes in total brain volume. Enlarged regions included the orbitofrontal cortex (OFC, 4%), cerebellum (4.5%), thalamus (2%), internal capsule (10%) and genu of the corpus callosum (7%). The enlarged OFC volume in adults after AIE is consistent with previous imaging studies in human adolescents. AIE treatment was associated with significant increases in the expression of several extracellular matrix (ECM) proteins in the adult OFC including WFA (55%), Brevican (32%), Neurocan (105%), Tenacin-C (25%), and HABP (5%). These findings are consistent with AIE causing persistent changes in brain structure that could contribute to a lack of behavioral flexibility.

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  • Increased thickness in the anterior cingulate and increased volume of the orbital FC have been observed in adult rodents exposed to alcohol during adolescence.

    “Conversely, increased thickness in the anterior cingulate and increased volume of the orbital FC has also been observed in adult rodents exposed to alcohol during adolescence (Coleman et al. 2014; Vetreno et al. 2017).”

    From The long-term cognitive consequences of adolescent exposure to recreational drugs of abuse (2018) · cites this paper as Coleman et al. 2014

    The Discussion (§4.1; page unavailable) reports a larger orbitofrontal cortex (OFC) volume in adult mice given ethanol during adolescence. The cited paper does not report increased anterior cingulate thickness, so it supports only the OFC-volume part of the sentence. (LLM, conf=0.88)

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  1. Johnston L O'Malley P Bachman J Schulenberg JE Monitoring the future: National survey results on drug use, 1975–2008 Seconday school students, 2008 2009 Vol.1 Bethesda, MD National Institute on Drug Abuse xxxiv

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Authors
Coleman, L. G., Liu, W., Oguz, I., Styner, M., & Crews, F. T.
Affiliations
University of North Carolina at Chapel Hill (US)
Corresponding author
Crews, Fulton T.
Venue
Pharmacology Biochemistry and Behavior
Publisher
Elsevier BV
Published
2014-01
Volume
116
Pages
142-151
ISSN
0091-3057 (ISSN-L)
OpenAlex
W1992749931
Cited by
170
References
74
Citations by year
2026: 11 · 2025: 11 · 2024: 11 · 2023: 9 · 2022: 18 · 2021: 24 · 2020: 22 · 2019: 8 · 2018: 14 · 2017: 14 · 2016: 13 · 2015: 7 · 2014: 7
FWCI
8.40
Type
journal article
Language
en
Open access
Locations
  • Pharmacology Biochemistry and Behavior (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Alcohol Abuse and Alcoholism (P50AA011605, U24AA020022, U01AA020023, AA011605, AA20022, AA018051, F30AA018051, AA06069, AA20023, R37AA006069, R01AA006069, P60AA011605)
  • National Institute on Drug Abuse (P01DA022446)
  • National Institute of Neurological Disorders and Stroke (R42NS059095, R41NS059095)
  • Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill
Topics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Substance Exposure Effects
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
adolescent binge drinking, adolescent intermittent ethanol exposure, extracellular matrix proteins, behavioral flexibility, cerebellum, thalamus, corpus callosum, internal capsule
MeSH terms
Age Factors, Alcohol Drinking, Ethanol, Animals, Behavior, Animal, Brain, Magnetic Resonance Imaging, Male, Mice, Inbred C57BL, Extracellular Matrix Proteins, Mice

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