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- W1968846839 abstract "<h3>Objective</h3> Prenatal alcohol exposure results in fetal death and neurobehavioral complications including learning impairment. Previously synthetic peptides derived from activity-dependent neurotrophic factor have been shown to prevent aspects of alcohol-induced damage in pregnancy. The objective of this work was to evaluate whether activity-dependent neurotrophic factor-12 could prevent alcohol-induced damage in a model of fetal alcohol syndrome. <h3>Study design</h3> Using a well-characterized model, C57Bl6/J mice on gestational day 8 were treated with placebo, alcohol (30% volume/volume alcohol 0.03 mL/kg), alcohol plus activity-dependent neurotrophic factor-12 30 minutes prior to alcohol, or activity-dependent neurotrophic factor-12 alone. Fetal death was assessed on gestational day 18 (25 litters were evaluated: alcohol, n=5; placebo, n=9; alcohol plus activity-dependent neurotrophic factor-12, n=11). Neonatal behavior tests were performed on postnatal days 1 through 21 with the offspring of 12 dams (alcohol, n=16; placebo, n=46; alcohol plus activity-dependent neurotrophic factor-12, n=23; and activity-dependent neurotrophic factor-12, n=35). Adult males were tested in the Morris water maze for learning assessment and with the hole punch activity test for exploratory activity. Statistical analysis included Kruskal-Wallis and analysis of variance. <h3>Results</h3> Fetal death was greater in alcohol (67% ± 13%) vs placebo (8.4% ± 3%, <i>P</i><.001). Pretreatment with activity-dependent neurotrophic factor-12 prevented the alcohol-induced fetal death (2.2% ± 8.1%) with levels similar to control (<i>P</i>=.12). Alcohol exposure caused a delay in achieving developmental milestones, with alcohol achieving milestones later than all other groups (all <i>P</i><.001). Pretreatment with activity-dependent neurotrophic factor-12 prevented the alcohol-induced milestone delays. In the Morris water maze, the placebo learned, decreasing their latency to find the hidden platform over 70% (<i>P</i><.01). Alcohol plus activity-dependent neurotrophic factor-12 also significantly learned, with a learning curve not different from placebo (all <i>P</i>>.5) and significantly better than alcohol on days 4, 6, and 7 (all <i>P</i><.05). Alcohol exposure resulted in significantly less time in hole punch activity (<i>P</i><.02) than control. Activity-dependent neurotrophic factor-12 pretreatment prevented the alcohol-induced decline, with levels the same as control (<i>P</i>=.1). <h3>Conclusion</h3> The novel peptide activity-dependent neurotrophic factor-12 prevents alcohol-induced fetal death and developmental and learning abnormalities in a model of fetal alcohol syndrome. This demonstrates that a single treatment with a peptide is efficacious and may be of value in the prevention of alcohol-induced damage." @default.
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- W1968846839 date "2005-09-01" @default.
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- W1968846839 title "Prevention of alcohol-induced developmental delays and learning abnormalities in a model of fetal alcohol syndrome" @default.
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- W1968846839 doi "https://doi.org/10.1016/j.ajog.2005.05.052" @default.
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