Exposure to ethanol during pregnancy in mice

Potential importance of dose for the development of tolerance in offspring

Vernon J. Perez, Guillermo E. Gonzalez, Constance J Smith

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

CD-1 albino mice were given Portagen-10 percent ethanol (ETOH) or isocaloric Portagen-sucrose during pregnancy to determine if tolerance developed in utero and to describe the temporal pattern of its decline postnatally. ETOH mothers did not significantly increase their consumption of ETOH but gained in body weight during pregnancy, showed no signs in the open field of withdrawal from ETOH shortly after delivery and showed less pup-caring behavior than pair-fed controls (PFC). Among offspring 1, 3, 10, 25 and 60 days old, only 25-day old ETOH pups metabolized and cleared an anesthetic dose of ETOH more efficiently than PFC animals, suggesting the absence of Dispositional Tolerance in the other animals. PFC offspring 10 days old took significantly longer to lose the righting reflex than their ETOH counterparts following the anesthetic dose of ETOH, the difference being opposite that which would suggest the occurrence of Adaptive Tolerance. Data are discussed primarily in terms of decreases in dose of ETOH to which mothers and fetuses were exposed during pregnancy.

Original languageEnglish (US)
Pages (from-to)485-488
Number of pages4
JournalPhysiology and Behavior
Volume30
Issue number3
DOIs
StatePublished - 1983
Externally publishedYes

Fingerprint

Ethanol
Pregnancy
Anesthetics
Righting Reflex
Sucrose
Fetus
Body Weight

Keywords

  • Adaptive tolerance
  • Blood ethanol
  • CD-1 Mice
  • Dispositional tolerance
  • Ethanol
  • Ethanol in pregnancy
  • Ethanol metabolism
  • Maternal behavior
  • Maternal-pup interaction
  • Neonatal ethanol metabolism

ASJC Scopus subject areas

  • Physiology (medical)
  • Behavioral Neuroscience

Cite this

Exposure to ethanol during pregnancy in mice : Potential importance of dose for the development of tolerance in offspring. / Perez, Vernon J.; Gonzalez, Guillermo E.; Smith, Constance J.

In: Physiology and Behavior, Vol. 30, No. 3, 1983, p. 485-488.

Research output: Contribution to journalArticle

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