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Developmental Ethanol Exposure Impacts Purkinje Cells but Not Microglia in the Young Adult Cerebellum

Journal Article · · Cells
Fetal alcohol spectrum disorders (FASD) caused by developmental ethanol exposure lead to cerebellar impairments, including motor problems, decreased cerebellar weight, and cell death. Alterations in the sole output of the cerebellar cortex, Purkinje cells, and central nervous system immune cells, microglia, have been reported in animal models of FASD. To determine how developmental ethanol exposure affects adult cerebellar microglia and Purkinje cells, we used a human third-trimester binge exposure model in which mice received ethanol or saline from postnatal (P) days 4–9. In adolescence, cerebellar cranial windows were implanted and mice were aged to young adulthood for examination of microglia and Purkinje cells in vivo with two-photon imaging or in fixed tissue. Ethanol had no effect on microglia density, morphology, dynamics, or injury response. However, Purkinje cell linear frequency was reduced by ethanol. Microglia–Purkinje cell interactions in the Purkinje Cell Layer were altered in females compared to males. Overall, developmental ethanol exposure had few effects on cerebellar microglia in young adulthood and Purkinje cells appeared to be more susceptible to its effects.
Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
Eunice Kennedy Shriver National Institute of Child Health and Human Development; National Institute on Alcohol Abuse and Alcoholism (NIAAA); National Institutes of Health (NIH); USDOE; University of Rochester Intellectual and Developmental Disabilities Research Center
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
2407283
Report Number(s):
PNNL-SA--194532
Journal Information:
Cells, Journal Name: Cells Journal Issue: 5 Vol. 13; ISSN 2073-4409
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English

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  • Zamudio‐Bulcock, Paula A.; Morton, Russell A.; Valenzuela, C. Fernando
  • Alcoholism: Clinical and Experimental Research, Vol. 38, Issue 5 https://doi.org/10.1111/acer.12362
journal April 2014
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