Effects of one- and three-day binge alcohol exposure in neonatal C57BL/6 mice on spatial learning and memory in adolescence and adulthood

Jennifer L. Wagner, Feng Zhou, Charles R. Goodlett

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Binge-like alcohol exposure during the early postnatal period in rats and mice causes deficits in spatial learning and memory that persist into adulthood. Wozniak etal. (2004) reported that heavy binge alcohol exposure on postnatal day 7 (PD 7) in C57BL/6 (B6) mice produced profound spatial learning deficits in the Morris water maze when tested in adolescence (P30-39); when tested in adulthood, however, the deficits were greatly attenuated. Using a similar PD 7 binge alcohol exposure paradigm in B6 mice, we tested whether a single-day (PD 7 only) alcohol treatment produced place learning deficits in both adolescence and in adulthood, and further tested whether a more extended (3-day, PD 7-9) alcohol exposure would induce more severe and enduring deficits. B6 mice were given either 2 subcutaneous injections of alcohol (2.5g/kg each) 2h apart on PD 7 or on PD 7-9, and compared with controls that received saline vehicle injections and controls that received no injections. The alcohol injections on PD 7 produced average peak blood alcohol concentrations of 472mg/dL and evoked typical patterns of activated caspase-3-positive neurons in the cortex, hippocampal formation, and striatum 6h after the last injection. Mice were given standard place training or random location training in the Morris water maze either as adolescents (PD 30-39) or adults (PD 70-79). The adolescents acquired the place learning more slowly than adults, and the alcohol treatments produced only modest place acquisition deficits. In contrast, both the PD7 and the PD 7-9 alcohol treatments resulted in large and significant spatial learning impairments in adults. In contrast to the previous findings of Wozniak etal. (2004), these results indicate that binge alcohol exposure in the 3rd trimester equivalent produces significant and enduring deficits in spatial learning in B6 mice.

Original languageEnglish
Pages (from-to)99-111
Number of pages13
JournalAlcohol
Volume48
Issue number2
DOIs
StatePublished - 2014

Fingerprint

Inbred C57BL Mouse
adulthood
adolescence
alcohol
Alcohols
Data storage equipment
deficit
learning
Injections
Spatial Memory
Spatial Learning
Learning
adolescent
Water
water
Subcutaneous Injections
Caspase 3
Hippocampus
Neurons
Therapeutics

Keywords

  • Fetal alcohol spectrum disorders
  • Morris water maze
  • Neurobehavioral deficits
  • Neurodevelopmental deficits

ASJC Scopus subject areas

  • Biochemistry
  • Medicine(all)
  • Behavioral Neuroscience
  • Neurology
  • Toxicology
  • Health(social science)

Cite this

Effects of one- and three-day binge alcohol exposure in neonatal C57BL/6 mice on spatial learning and memory in adolescence and adulthood. / Wagner, Jennifer L.; Zhou, Feng; Goodlett, Charles R.

In: Alcohol, Vol. 48, No. 2, 2014, p. 99-111.

Research output: Contribution to journalArticle

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