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Updated: May 12, 2026

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development
Published on: July 13, 2014
A systems-based computational model of alcohol's toxic effects on brain development
Julia M Gohlke1, Susanne Hiller-Sturmhöfel, Elaine M Faustman
1Laboratory of Molecular Toxicology, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina.
Fetal alcohol exposure disrupts neurodevelopment, impacting nerve cell generation and connections. Computational models show impaired neurogenesis causes more adult neuron loss than increased cell death during synaptogenesis.
Area of Science:
- Neuroscience
- Developmental Biology
- Computational Biology
Background:
- Neurodevelopment involves critical stages: neurogenesis, cell migration, synaptogenesis, and programmed cell death.
- Fetal alcohol exposure is known to disrupt these essential neurodevelopmental processes.
Purpose of the Study:
- To quantify the relative impact of alcohol-induced neurogenesis impairment versus synaptogenesis disruption on neurodevelopmental deficits.
- To utilize a systems biology approach to model and understand alcohol's effects across species.
Main Methods:
- Employed computational models of brain development.
- Studied neurogenesis and synaptogenesis in mice, rats, rhesus monkeys, and humans.
- Assessed the contribution of impaired cell division and increased cell death to neurodevelopmental outcomes.
Main Results:
- Alcohol's detrimental effect on neurogenesis (cell division) leads to greater long-term neuron deficits than alcohol-induced cell death during synaptogenesis.
- Accelerated development in certain primate brain regions may heighten sensitivity to alcohol's neurodevelopmental impacts.
Conclusions:
- Impaired neurogenesis is a primary driver of alcohol-related neurodevelopmental deficits.
- Systems-based computational models effectively translate molecular/cellular findings to assess human developmental risks from alcohol exposure.
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