The effect of fostering on the genetic expression of locomotor sensitivity to alcohol

Debra Hickman, Sue Burkhart-Kasch, Tamara J. Phillips

Research output: Contribution to journalArticle

Abstract

Steps were taken to eradicate endemic mouse coronavirus from a colony that was part of a behavioral project characterizing the genetics of alcohol sensitivity. This behavioral study was conducted to determine whether changing the uterine or rearing environment (as is integral to common rederivation methods) would have a significant effect on the expression of the behavioral traits in question. Selected breeding pairs of the affected lines were divided into four treatment groups: 1) transfer of embryos to pseudopregnant B6D2F1 female mice, 2) fostering offspring to B6D2F1 dams, 3) fostering offspring to a different dam of the same line, and 4) offspring raised by the birth dam. Embryo transfers were successful only in one affected line. At approximately 50 days of age, the offspring were tested for locomotor behavior after intraperitoneal administration of ethanol or normal saline. There were no statistically significant effects of embryo transfer on the ethanol phenotype (ethanol-induced locomotor depression). Fostering significantly reduced the stimulant response to ethanol of only one mouse line selectively bred for high sensitivity to ethanol-induced stimulation, although the stimulant response of the fostered groups was still quite robust. Overall, the results of this study showed that eradication efforts involving fostering of offspring have a modest impact on the stimulant response to ethanol, but there were insufficient data to draw conclusions regarding the use of embryo transfer.

Original languageEnglish (US)
Pages (from-to)498-502
Number of pages5
JournalComparative Medicine
Volume55
Issue number6
StatePublished - Dec 2005
Externally publishedYes

Fingerprint

Foster Home Care
Ethanol
alcohols
Embryo Transfer
ethanol
Alcohols
embryo transfer
dams (mothers)
Dams
mice
Coronavirus
Coronavirinae
intraperitoneal injection
Breeding
rearing
Parturition
breeds
Phenotype
phenotype
breeding

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

The effect of fostering on the genetic expression of locomotor sensitivity to alcohol. / Hickman, Debra; Burkhart-Kasch, Sue; Phillips, Tamara J.

In: Comparative Medicine, Vol. 55, No. 6, 12.2005, p. 498-502.

Research output: Contribution to journalArticle

Hickman, Debra ; Burkhart-Kasch, Sue ; Phillips, Tamara J. / The effect of fostering on the genetic expression of locomotor sensitivity to alcohol. In: Comparative Medicine. 2005 ; Vol. 55, No. 6. pp. 498-502.
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