ArticleAlcoholism, clinical and experimental research2020
Early Ethanol Exposure Inhibits the Differentiation of Hippocampal Dentate Gyrus Granule Cells in a Mouse Model of Fetal Alcohol Spectrum Disorders.
Article in Alcoholism, clinical and experimental research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 2 citations in OpenAlex.
- Potential Role of MANF, an ER Stress Responsive Neurotrophic Factor, in Protecting Against Alcohol Neurotoxicity.Molecular neurobiology · 2022Review
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundAlcohol consumption during pregnancy may damage the developing central nervous system of the fetus and lead to brain structural and functional deficits in the children, known as fetal alcohol spectrum disorders. The underlying mechanisms have not been fully elucidated. Previously, using a third trimester-equivalent mouse model, ethanol (EtOH)-induced behavioral deficits (including spatial learning and memory dysfunction) in the mice were detected on postnatal day (PD) 35. The hippocampal formation is critically involved in spatial learning/memory and contains 2 major neuron populations: the pyramidal cells in the hippocampus proper and the dentate gyrus granule cells (DGGCs) in the dentate gyrus (DG). In rodents, while the pyramidal cells are almost exclusively generated prenatally, the DG granule neurons are majorly generated during the first 2 weeks postnatally, which coincides with the period of EtOH exposure in our mouse model. Therefore, in the current study the effects of EtOH exposure on the development of the DGGCs were examined.
methodsC57BL/6 mice were treated with 4 g/kg of EtOH by intubation on PD 4 to 10 to mimic alcohol exposure to the fetus during the third trimester in humans, and the development of DGGCs was examined by immunohistochemistry and quantified on PD 35.
resultsEtOH exposure does not affect the number of total or newly generated DGGCs, but reduces the number of mature DGGCs on PD 35 in both male and female mice. The ratio of immature DGGCs over total DGGCs was increased, and the ratio of mature DGGCs over total DGGCs was decreased by EtOH exposure. In addition, no sex-dependent effects of EtOH treatment were detected.
conclusionOur data indicate that EtOH exposure in mice during PD 4 to 10 does not affect the generation/proliferation but inhibits the differentiation of the DGGCs on PD 35.
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