Evidence map›Paper›PMID 31589884›Full record

ArticleNeuropharmacology2020

Chronic ethanol exposure alters prelimbic prefrontal cortical Fast-Spiking and Martinotti interneuron function with differential sex specificity in rat brain.

Benjamin A Hughes, Elizabeth J Crofton, Todd K O'Buckley, Melissa A Herman, A Leslie Morrow

Open access · greenAbstract read
In one paragraph

Article in Neuropharmacology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 1 pooled it
2.6field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

31 citing papers in PubMed, 1 synthesis or guideline pooled it, 52 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Benjamin A HughesDepartment of Psychiatry, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA; Department of Pharmacology, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA; Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA.
Elizabeth J CroftonDepartment of Psychiatry, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA; Department of Pharmacology, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA; Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA.
Todd K O'BuckleyBowles Center for Alcohol Studies, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA.
Melissa A HermanDepartment of Pharmacology, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA; Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA.
A Leslie MorrowDepartment of Psychiatry, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA; Department of Pharmacology, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA; Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, 27599, NC, USA. Electronic address: leslie_morrow@med.unc.edu.
University of North Carolina at Chapel Hill · US

Funding

UNC ARC Information/Dissemination CoreP60AA011605 · NIAAA · UNIV OF NORTH CAROLINA CHAPEL HILL · PI Thomas L. Kash · 2003 to 2026
$46.3M
SEEDING POSTDOCTORAL INNOVATORS IN RESEARCH &EDUCATIONK12GM000678 · NIGMS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI DONALD T LYSLE, Kathryn Joanna Reissner · 1999 to 2026
$30.9M
Supplement to Molecular and Cellular Studies on Alcohol's ActionsT32AA007573 · NIAAA · UNIV OF NORTH CAROLINA CHAPEL HILL · PI FULTON T CREWS, Thomas L. Kash · 1997 to 2026
$9.3M
MOLECULAR AND CELLULAR PATHOGENESIS IN ALCOHOLISMP50AA011605 · NIAAA · UNIVERSITY OF NORTH CAROLINA CHAPEL HILL · PI CREWS, FULTON T · 1998 to 2002
$4.9M
NIAAA NIH HHS P50 AA011605NIAAA NIH HHS P60 AA011605NIAAA NIH HHS T32 AA007573NIGMS NIH HHS K12 GM000678
6 · The paper itself

Abstract

Chronic ethanol exposure results in numerous neurobiological adaptations that promote deficits in medial prefrontal cortical (mPFC) function associated with blunted inhibitory control and elevated anxiety during withdrawal. Studies exploring alcohol dependence-related changes in this region have largely investigated adaptations in glutamatergic signaling, with inhibitory neurotransmission remaining relatively understudied. To address this, we used biochemical and electrophysiological methods to evaluate the effects of ethanol on the activity of deep-layer prelimbic mPFC Fast-Spiking (FS) and Martinotti interneurons after chronic ethanol exposure in male and female rats. We report that chronic alcohol exposure significantly impairs FS neuron excitability in both males and females. Interestingly, we observed a marked sex difference in the baseline activity of Martinotti cells that furthermore displayed differential sex-specific responses to alcohol exposure. In addition, alcohol effects on Martinotti neuron excitability negatively correlated with hyperpolarization-activated currents mediated by hyperpolarization-activated cyclic nucleotide gated (HCN) channels, indicative of a causal relationship. Analysis of HCN1 protein expression also revealed a substantial sex difference, although no effect of ethanol on HCN1 protein expression was observed. Taken together, these findings further elucidate the complex adaptations that occur in the mPFC after chronic ethanol exposure and reveal fundamental differences in interneuron activity between sexes. Furthermore, this disparity may reflect innate differences in intracortical microcircuit function between male and female rats, and offers a tenable circuit-level explanation for sex-dependent behavioral responses to alcohol.

Indexed as

AlcoholismAnimalsCentral Nervous System DepressantsCortical ExcitabilityDisease Models, AnimalEthanolFemaleHyperpolarization-Activated Cyclic Nucleotide-Gated ChannelsInterneuronsMalePatch-Clamp TechniquesPotassium ChannelsPrefrontal CortexRatsRats, Sprague-DawleyReal-Time Polymerase Chain ReactionCentral Nervous System DepressantsEthanolHcn1 protein, ratHyperpolarization-Activated Cyclic Nucleotide-Gated ChannelsPotassium ChannelsCortexDependenceElectrophysiologyEthanolGABAInterneurons

Identifiers

PMID31589884
PMCPMC7027948
OpenAlexW2979282876

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.