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Transcriptome Analysis of Alcohol Drinking in Non-Dependent and Dependent Mice Following Repeated Cycles of Forced Swim Stress Exposure

Farris, Sean P. and Tiwari, Gayatri R. and Ponomareva, Olga and Lopez, Marcelo F. and Mayfield, R. Dayne and Becker, Howard C. (2020) Transcriptome Analysis of Alcohol Drinking in Non-Dependent and Dependent Mice Following Repeated Cycles of Forced Swim Stress Exposure. Brain Sciences, 10 (5). p. 275. ISSN 2076-3425

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Abstract

Chronic stress is a known contributing factor to the development of drug and alcohol addiction. Animal models have previously shown that repeated forced swim stress promotes escalated alcohol consumption in dependent animals. To investigate the underlying molecular adaptations associated with stress and chronic alcohol exposure, RNA-sequencing and bioinformatics analyses were conducted on the prefrontal cortex (CTX) of male C57BL/6J mice that were behaviorally tested for either non-dependent alcohol consumption (CTL), chronic intermittent ethanol (CIE) vapor dependent alcohol consumption, repeated bouts of forced swim stress alone (FSS), and chronic intermittent ethanol with forced swim stress (CIE + FSS). Brain tissue from each group was collected at 0-h, 72-h, and 168-h following the final test to determine long-lasting molecular changes associated with maladaptive behavior. Our results demonstrate unique temporal patterns and persistent changes in coordinately regulated gene expression systems with respect to the tested behavioral group. For example, increased expression of genes involved in “transmitter-gated ion channel activity” was only determined for CIE + FSS. Overall, our results provide a summary of transcriptomic adaptations across time within the CTX that are relevant to understanding the neurobiology of chronic alcohol exposure and stress.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Farris, Sean P.FARRISSP@pitt.eduFARRISSP
Tiwari, Gayatri R.
Ponomareva, Olga
Lopez, Marcelo F.
Mayfield, R. Dayne
Becker, Howard C.
Date: 2 May 2020
Date Type: Publication
Journal or Publication Title: Brain Sciences
Volume: 10
Number: 5
Publisher: MDPI AG
Page Range: p. 275
DOI or Unique Handle: 10.3390/brainsci10050275
Schools and Programs: School of Medicine > Anesthesiology
Refereed: Yes
Uncontrolled Keywords: alcohol drinking, dependence, stress, RNA-Sequencing, prefrontal cortex, mouse
ISSN: 2076-3425
Official URL: http://dx.doi.org/10.3390/brainsci10050275
Funders: National Institutes of Health, National Institute of Alcohol Abuse and Alcoholism
Article Type: Research Article
Date Deposited: 28 May 2021 14:03
Last Modified: 28 May 2021 14:03
URI: http://d-scholarship.pitt.edu/id/eprint/41194

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