Discovering genes involved in alcohol dependence and other alcohol responses

role of animal models

Kari Buck, Lauren C. Milner, Deaunne L. Denmark, Seth G N Grant, Laura B. Kozell

Research output: Contribution to journalEditorial

4 Citations (Scopus)

Abstract

The genetic determinants of alcoholism still are largely unknown, hindering effective treatment and prevention. Systematic approaches to gene discovery are critical if novel genes and mechanisms involved in alcohol dependence are to be identified. Although no animal model can duplicate all aspects of alcoholism in humans, robust animal models for specific alcohol-related traits, including physiological alcohol dependence and associated withdrawal, have been invaluable resources. Using a variety of genetic animal models, the identification of regions of chromosomal DNA that contain a gene or genes which affect a complex phenotype (i.e., quantitative trait loci [QTLs]) has allowed unbiased searches for candidate genes. Several QTLs with large effects on alcohol withdrawal severity in mice have been detected, and fine mapping of these QTLs has placed them in small intervals on mouse chromosomes 1 and 4 (which correspond to certain regions on human chromosomes 1 and 9). Subsequent work led to the identification of underlying quantitative trait genes (QTGs) (e.g., Mpdz) and high-quality QTG candidates (e.g., Kcnj9 and genes involved in mitochondrial respiration and oxidative stress) and their plausible mechanisms of action. Human association studies provide supporting evidence that these QTLs and QTGs may be directly relevant to alcohol risk factors in clinical populations.

Original languageEnglish (US)
Pages (from-to)367-374
Number of pages8
JournalAlcohol research : current reviews
Volume34
Issue number3
StatePublished - 2012

Fingerprint

Alcoholism
Animal Models
Alcohols
Quantitative Trait Loci
Genes
Chromosomes, Human, Pair 1
Chromosomes, Human, Pair 9
Chromosomes, Human, Pair 4
Genetic Models
Genetic Association Studies
Human Chromosomes
Respiration
Oxidative Stress
Phenotype
DNA
Population

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Buck, K., Milner, L. C., Denmark, D. L., Grant, S. G. N., & Kozell, L. B. (2012). Discovering genes involved in alcohol dependence and other alcohol responses: role of animal models. Alcohol research : current reviews, 34(3), 367-374.

Discovering genes involved in alcohol dependence and other alcohol responses : role of animal models. / Buck, Kari; Milner, Lauren C.; Denmark, Deaunne L.; Grant, Seth G N; Kozell, Laura B.

In: Alcohol research : current reviews, Vol. 34, No. 3, 2012, p. 367-374.

Research output: Contribution to journalEditorial

Buck, Kari ; Milner, Lauren C. ; Denmark, Deaunne L. ; Grant, Seth G N ; Kozell, Laura B. / Discovering genes involved in alcohol dependence and other alcohol responses : role of animal models. In: Alcohol research : current reviews. 2012 ; Vol. 34, No. 3. pp. 367-374.
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