Related Experiment Video
Updated: Oct 15, 2025
09:26
Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
Published on: February 6, 2019
19.0K
Alcohol and the brain: from genes to circuits
Gabor Egervari1, Cody A Siciliano2, Ellanor L Whiteley3
1Department of Cell and Developmental Biology, Epigenetics Institute, University of Pennsylvania, Philadelphia, PA 19104, USA.
Trends in Neurosciences
|October 27, 2021
Summary
Alcohol use alters brain cell signaling and gene expression, leading to long-lasting brain changes. Understanding these adaptations is key to developing new treatments for alcohol use disorder (AUD).
Area of Science:
- Neuroscience
- Molecular Biology
- Addiction Research
Background:
- Alcohol consumption impacts the central nervous system through diverse molecular pathways.
- These molecular changes include alterations in intracellular signaling, gene expression, chromatin remodeling, and translation.
- Such molecular events contribute to the development and persistence of alcohol use disorder (AUD).
Purpose of the Study:
- To provide an updated overview of alcohol research.
- To focus on the multi-level adaptations induced by alcohol, from molecular to circuit levels.
- To highlight the potential for identifying novel therapeutic targets for AUD.
Main Methods:
- Review of current alcohol research literature.
- Analysis of intracellular signaling mechanisms affected by alcohol.
- Examination of changes in gene expression and neuronal circuits.
- Integration of findings across different levels of biological organization.
Main Results:
- Alcohol profoundly affects intracellular signaling pathways within neurons.
- These molecular alterations result in significant changes in gene expression and protein synthesis.
- Alcohol exposure leads to modifications in neuronal circuit activity and brain function.
- These adaptations contribute to the neurobiological underpinnings of AUD.
Conclusions:
- Understanding the complex interplay between alcohol's molecular and circuit-level effects is crucial.
- Identifying these interconnected mechanisms may reveal novel therapeutic strategies.
- Further research can lead to the development of more effective treatments for alcohol use disorder.
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