Ethanol withdrawal-induced motor impairment in mice

Scott D. Philibin, Andy J. Cameron, Jason P. Schlumbohm, Pamela Metten, John Jr Crabbe

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Rationale Human ethanol withdrawal manifests as multiple behavioral deficits with distinct time courses. Most studies with mice index ethanol withdrawal severity with the handling-induced convulsion (HIC). Using the accelerating rotarod (ARR), we recently showed that ethanol withdrawal produced motor impairment. Objectives This study aimed (a) to characterize further the ARR withdrawal trait, (b) to assess generalizability across additional behavioral assays, and (c) to test the genetic correlation between ethanol withdrawal ARR impairment and HICs. Results The severity of the ARR performance deficit depends on ethanol vapor dose and exposure duration, and lasts 1- 4 days. Fatigue could not explain the deficits, which were also evident after intermittent exposure to ethanol vapor. Withdrawing mice were also impaired on a balance beam, but not on a static dowel or in foot slip errors per distance traveled in the parallel rod floor test, where they showed reduced locomotor activity. To assess genetic influences, we compared Withdrawal Seizure-Prone and -Resistant mice, genetically selected to express severe vs. mild withdrawal HICs, respectively. The ARR scores were approximately equivalent in all groups treated with ethanol vapor, though Withdrawal Seizure-Prone (WSP) mice may have displayed a slightly more severe deficit as control-treated WSP mice performed better than control-treated Withdrawal Seizure-Resistant mice. Conclusions These studies show that ethanol withdrawal motor impairment is sensitive to a range of ethanol doses and lasts for several days. Multiple assays of behavioral impairment are affected, but the effects depend on the assay employed. Genetic contributions to withdrawal-induced ARR impairment appear largely distinct from those leading to severe or mild HICs.

Original languageEnglish (US)
Pages (from-to)367-378
Number of pages12
JournalPsychopharmacology
Volume220
Issue number2
DOIs
StatePublished - Mar 2012

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Ethanol
Seizures
Locomotion
Fatigue
Foot

Keywords

  • Ethanol withdrawal
  • Motor impairment
  • Mouse
  • Rotarod
  • Vapor inhalation
  • WSP- and WSR-selected lines

ASJC Scopus subject areas

  • Pharmacology

Cite this

Philibin, S. D., Cameron, A. J., Schlumbohm, J. P., Metten, P., & Crabbe, J. J. (2012). Ethanol withdrawal-induced motor impairment in mice. Psychopharmacology, 220(2), 367-378. https://doi.org/10.1007/s00213-011-2483-1

Ethanol withdrawal-induced motor impairment in mice. / Philibin, Scott D.; Cameron, Andy J.; Schlumbohm, Jason P.; Metten, Pamela; Crabbe, John Jr.

In: Psychopharmacology, Vol. 220, No. 2, 03.2012, p. 367-378.

Research output: Contribution to journalArticle

Philibin, SD, Cameron, AJ, Schlumbohm, JP, Metten, P & Crabbe, JJ 2012, 'Ethanol withdrawal-induced motor impairment in mice', Psychopharmacology, vol. 220, no. 2, pp. 367-378. https://doi.org/10.1007/s00213-011-2483-1
Philibin, Scott D. ; Cameron, Andy J. ; Schlumbohm, Jason P. ; Metten, Pamela ; Crabbe, John Jr. / Ethanol withdrawal-induced motor impairment in mice. In: Psychopharmacology. 2012 ; Vol. 220, No. 2. pp. 367-378.
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