Chronic Ethanol Exposure
Chronic Ethanol Exposure - Related Videos
05:12
Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
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Cited by 6 •
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Presented here is a protocol for the 2BC/CIE model of alcohol dependence in mice to study alcohol use disorder.
02:40
Induction and Evaluation of Depression in Mice Through Chronic Stress Exposure
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2025
Source: Yan, Z., et al. Evaluating the Anti-depression Effect of Xiaoyaosan on Chronically-stressed Mice. J. Vis. Exp. (2019).The video demonstrates the process of establishing a mouse model of chronic stress-induced depression and assessing depressive behaviors. The chronic application of various stressors triggers the release of corticosterone, leading to neuronal over-excitation and eventual neuronal death, which results in depression-like symptoms in the mice.
08:17
Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure
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This study describes the successful generation of a new chronic obstructive pulmonary disease (COPD) animal model by repeatedly exposing mice to high concentrations of ozone.
10:11
Microdialysis of Ethanol During Operant Ethanol Self-administration and Ethanol Determination by Gas Chromatography
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A method to determine the time course of ethanol concentration in the brains of rats during operant ethanol self-administration is described. Gas chromatography with flame ionization detection is used to quantify ethanol in the dialysate samples, because it has the sensitivity required for the small volumes that are generated.
03:20
Studying Chronic Exposure of Mice to Ultraviolet B Radiation
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FAQs
Ethanol and its metabolites can affect several linked layers of host defense rather than a single immune pathway. They may weaken epithelial barriers, reshape gut microbial communities, and modify signaling in innate and adaptive immune cells. Together, these changes can alter inflammatory responses and reduce the efficiency of pathogen clearance, helping explain the broad nature of alcohol-associated immune dysfunction.
A compromised epithelial barrier can permit material from microbial communities to cross into tissues or circulation, a process known as microbial translocation. Chronic Ethanol Exposure is therefore relevant to studies connecting barrier injury with altered inflammation and infection susceptibility. Examining this relationship helps researchers link changes at tissue surfaces with broader immune consequences and potential tissue injury.
Changes in gut microbial communities may modify the signals that interact with epithelial and immune systems. In the setting of prolonged ethanol exposure, these microbial shifts can contribute to microbial translocation and change inflammatory responses. This provides a mechanistic connection between the gut environment, impaired host defense, and differences in how effectively the organism responds to invading pathogens.
Innate and adaptive immune cells contribute different aspects of host defense, so studying both can reveal whether ethanol-associated dysfunction affects immediate inflammatory activity, longer-term immune responses, or their coordination. This distinction matters because altered signaling may influence pathogen clearance and tissue injury through separate or interacting mechanisms, producing outcomes that cannot be explained by one immune compartment alone.
This model can be used to investigate how sustained ethanol-related changes affect host defense, susceptibility to infection, pathogen clearance, tissue injury, and recovery. It also supports analysis of microbial translocation and inflammatory disease. These applications allow researchers to connect altered barriers and immune signaling with functional outcomes relevant to alcohol-associated disease.
Interventions can be studied for their ability to restore immune competence after ethanol-associated disruption. Relevant questions include whether treatment improves barrier integrity, reduces harmful microbial translocation, normalizes altered immune signaling, or supports more effective pathogen clearance and recovery. This framework evaluates restoration across linked biological processes rather than focusing only on one inflammatory measurement.