Motor impairment

A new ethanol withdrawal phenotype in mice

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

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Alcoholism is a complex disorder with genetic and environmental risk factors. The presence of withdrawal symptoms is one criterion for alcohol dependence. Genetic animal models have followed a reductionist approach by quantifying various effects of ethanol withdrawal separately. Different ethanol withdrawal symptoms may have distinct genetic etiologies, and therefore differentiating distinct neurobiological mechanisms related to separate signs of withdrawal would increase our understanding of various aspects of the complex phenotype. This study establishes motor incoordination as a new phenotype of alcohol withdrawal in mice. Mice were made physically dependent on ethanol by exposure to ethanol vapor for 72h. The effects of ethanol withdrawal in mice from different genetic backgrounds were measured on the accelerating rotarod, a simple motor task. Ethanol withdrawal disrupted accelerating rotarod behavior in mice. The disruptive effects of withdrawal suggest a performance rather than a learning deficit. Inbred strain comparisons suggest genetic differences in magnitude of this withdrawal phenotype. The withdrawal-induced deficits were not correlated with the selection response difference in handling convulsion severity in selectively bred Withdrawal Seizure-Prone and Withdrawal Seizure-Resistant lines. The accelerating rotarod seems to be a simple behavioral measure of ethanol withdrawal that is suitable for comparing genotypes.

Original languageEnglish (US)
Pages (from-to)604-614
Number of pages11
JournalBehavioural Pharmacology
Volume19
Issue number5-6
DOIs
StatePublished - Sep 2008

Fingerprint

Ethanol
Phenotype
Substance Withdrawal Syndrome
Seizures
Alcoholism
Inborn Genetic Diseases
Genetic Models
Ataxia
Animal Models
Genotype
Alcohols
Learning

Keywords

  • Dependence
  • Ethanol
  • Inbred strains
  • Motor
  • Mouse
  • Rotarod
  • Selected lines
  • Withdrawal
  • Withdrawal Seizure-Prone and Withdrawal Seizure-Resistant

ASJC Scopus subject areas

  • Pharmacology
  • Psychiatry and Mental health

Cite this

Motor impairment : A new ethanol withdrawal phenotype in mice. / Philibin, Scott D.; Cameron, Andy J.; Metten, Pamela; Crabbe, John Jr.

In: Behavioural Pharmacology, Vol. 19, No. 5-6, 09.2008, p. 604-614.

Research output: Contribution to journalArticle

Philibin, Scott D. ; Cameron, Andy J. ; Metten, Pamela ; Crabbe, John Jr. / Motor impairment : A new ethanol withdrawal phenotype in mice. In: Behavioural Pharmacology. 2008 ; Vol. 19, No. 5-6. pp. 604-614.
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