Related Experiment Video
Updated: Aug 5, 2025
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Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
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Peripheral blood transcriptomic profiling indicates molecular mechanisms commonly regulated by binge-drinking and
Medrxiv : the Preprint Server for Health Sciences
|March 30, 2023
Summary
This study reveals alcohol
Area of Science:
- Molecular biology
- Pharmacology
- Human laboratory studies
Background:
- Investigating molecular mechanisms of alcohol consumption.
- Differentiating pharmacological effects from placebo effects in alcohol studies.
- Understanding dose-dependent molecular responses to alcohol.
Approach:
- Randomized, double-blind, cross-over trial with placebo, moderate, and binge alcohol doses.
- Transcriptome-wide RNA-seq analysis of peripheral blood samples (N=16).
- Generalized linear mixed-effects models to analyze differential gene expression.
Key Points:
- Identified 22 protein-coding differentially expressed genes (DEGs) responsive to alcohol doses.
- 11 DEGs were selectively responsive to binge-dose alcohol.
- Binge-dose significantly impacted Cytokine-cytokine receptor interaction pathway.
Conclusions:
- Alcohol consumption induces dose-dependent molecular changes.
- Placebo effects may trigger molecular responses in pathways also affected by alcohol.
- Further research needed to validate molecular correlates of alcohol's placebo effects.
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