Quantitative trait loci affecting methamphetamine responses in BXD recombinant inbred mouse strains

Judith E. Grisel, John Belknap, L. A. O'Toole, M. L. Helms, Charlotte D. Wenger, John Jr Crabbe

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

Individual differences in most behavioral and pharmacological responses to abused drugs are dependent on both genetic and environmental factors. The genetic influences on the complex phenotypes related to drug abuse have been difficult to study using classical genetic analyses. Quantitative trait locus (QTL) mapping is a method that has been used successfully to examine genetic contributions to some of these traits by correlating allelic variation in polymorphic genetic markers of known chromosomal location with variation in drug-response phenotypes. We evaluated several behavioral responses to multiple doses of methamphetamine (METH) in C57BL/6J (B6), DBA/2J (D2), and 25 of their recombinant inbred (BXD RI) strains. Stereotyped chewing, horizontal home cage activity, and changes in body temperature after 0, 4, 8, or 16 mg/kg METH, as well as stereotyped climbing behavior after 16 mg/kg METH, were examined. Associations (p <0.01) between METH sensitivity and allelic status at multiple microsatellite genetic markers were subsequently determined for each response. QTLs were provisionally identified for each phenotype, some unique to a particular behavior and others that appeared to influence multiple phenotypes. Candidate genes suggested by these analyses included several that mapped near genes relevant for the neurotransmitters acetylcholine and glutamate. The locations of QTLs provisionally identified by this analysis were compared with QTLs hypothesized in other studies to influence methamphetamine- and cocaine-related phenotypes. In several instances, QTLs appeared to overlap, which is consistent with idea that common neural substrates underlie some responses to psychostimulants.

Original languageEnglish (US)
Pages (from-to)745-754
Number of pages10
JournalJournal of Neuroscience
Volume17
Issue number2
StatePublished - 1997
Externally publishedYes

Fingerprint

Inbred Strains Mice
Methamphetamine
Quantitative Trait Loci
Phenotype
Genetic Markers
Body Temperature Changes
Stereotyped Behavior
Mastication
Genetic Association Studies
Cocaine
Individuality
Pharmaceutical Preparations
Microsatellite Repeats
Acetylcholine
Substance-Related Disorders
Neurotransmitter Agents
Glutamic Acid
Pharmacology
Genes

Keywords

  • body temperature pharmacogenetics
  • gene mapping
  • locomotor activity
  • methamphetamine
  • mouse
  • QTL
  • quantitative trait locus
  • recombinant inbred strain
  • stereotypy

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Grisel, J. E., Belknap, J., O'Toole, L. A., Helms, M. L., Wenger, C. D., & Crabbe, J. J. (1997). Quantitative trait loci affecting methamphetamine responses in BXD recombinant inbred mouse strains. Journal of Neuroscience, 17(2), 745-754.

Quantitative trait loci affecting methamphetamine responses in BXD recombinant inbred mouse strains. / Grisel, Judith E.; Belknap, John; O'Toole, L. A.; Helms, M. L.; Wenger, Charlotte D.; Crabbe, John Jr.

In: Journal of Neuroscience, Vol. 17, No. 2, 1997, p. 745-754.

Research output: Contribution to journalArticle

Grisel, JE, Belknap, J, O'Toole, LA, Helms, ML, Wenger, CD & Crabbe, JJ 1997, 'Quantitative trait loci affecting methamphetamine responses in BXD recombinant inbred mouse strains', Journal of Neuroscience, vol. 17, no. 2, pp. 745-754.
Grisel, Judith E. ; Belknap, John ; O'Toole, L. A. ; Helms, M. L. ; Wenger, Charlotte D. ; Crabbe, John Jr. / Quantitative trait loci affecting methamphetamine responses in BXD recombinant inbred mouse strains. In: Journal of Neuroscience. 1997 ; Vol. 17, No. 2. pp. 745-754.
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