Influence of ethanol on thermoregulation

Mapping quantitative trait loci

Larry I. Crawshaw, Helen L. Wallace, Robin Christensen, John Jr Crabbe

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The genetic basis for the effects of ethanol on thermoregulation was investigated by utilizing recombinant inbred mouse strains from C57BL/6J and DBA/2J progenitor strains. Changes in core body temperature (Tc) and the degree of fluctuation of Tc were monitored in male mice following the administration of ethanol in an environment with cyclic changes in ambient temperature (Ta). Changes in Tc were utilized to assess ethanol-induced effects on regulated Tc, whereas fluctuations in Tc were utilized to assess thermoregulatory disruption. Ethanol was administered intraperitoneally at 1.5, 2.5, and 3.5 g/kg for all strains. Change in Tc and increase in tail temperature were also evaluated at 2.5 g/kg ethanol in a constant Ta of 26°C. Associations between the measured physiological responses and previously mapped genetic markers were used to identify quantitative trait loci (QTLs). This established probable chromosome locations for a number of genes for the responses. To our knowledge, this is the first report of QTLs that underlie changes in regulation as well as the disruption of a physiological regulatory system.

Original languageEnglish (US)
Pages (from-to)159-169
Number of pages11
JournalPhysiological Genomics
Volume2002
Issue number7
StatePublished - Jan 2002

Fingerprint

Body Temperature Regulation
Quantitative Trait Loci
Ethanol
Temperature
Inbred Strains Mice
Body Temperature
Genetic Markers
Tail
Chromosomes
Genes

Keywords

  • Alcohol
  • Genetics
  • Recombinant inbred strains
  • Temperature regulation

ASJC Scopus subject areas

  • Genetics
  • Physiology

Cite this

Crawshaw, L. I., Wallace, H. L., Christensen, R., & Crabbe, J. J. (2002). Influence of ethanol on thermoregulation: Mapping quantitative trait loci. Physiological Genomics, 2002(7), 159-169.

Influence of ethanol on thermoregulation : Mapping quantitative trait loci. / Crawshaw, Larry I.; Wallace, Helen L.; Christensen, Robin; Crabbe, John Jr.

In: Physiological Genomics, Vol. 2002, No. 7, 01.2002, p. 159-169.

Research output: Contribution to journalArticle

Crawshaw, LI, Wallace, HL, Christensen, R & Crabbe, JJ 2002, 'Influence of ethanol on thermoregulation: Mapping quantitative trait loci', Physiological Genomics, vol. 2002, no. 7, pp. 159-169.
Crawshaw, Larry I. ; Wallace, Helen L. ; Christensen, Robin ; Crabbe, John Jr. / Influence of ethanol on thermoregulation : Mapping quantitative trait loci. In: Physiological Genomics. 2002 ; Vol. 2002, No. 7. pp. 159-169.
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