Related Experiment Video
Updated: Jun 18, 2026
15:27
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
Impact of ethanol on the developing GABAergic system
Ricardo Noboro Isayama1, Paulo Emilio Correa Leite, Jean Pierre Mendes Lima
1Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
Anatomical Record (Hoboken, N.J. : 2007)
|November 28, 2009
Summary
Prenatal alcohol exposure severely impacts the developing brain by disrupting the GABAergic system, crucial for neuronal development. This review examines alcohol
Area of Science:
- Neuroscience
- Developmental Biology
- Pharmacology
Background:
- Alcohol consumption during pregnancy significantly affects fetal brain development.
- Fetal Alcohol Spectrum Disorders (FASD) are linked to disruptions in the nervous system.
- The GABAergic system plays a critical role in neurodevelopment.
Purpose of the Study:
- To review the neurodevelopmental impact of prenatal alcohol exposure on the GABAergic system.
- To present new experimental data on the GABAergic system in FASD.
- To elucidate the role of GABA in early brain development under alcohol exposure.
Main Methods:
- Experimental investigation of embryonic and early postnatal alcohol exposures.
- Focus on telencephalic models in rodents.
- Review of existing literature and presentation of new data.
Main Results:
- Alcohol exposure has a devastating effect on the GABAergic system.
- GABAergic system alterations impact neuronal proliferation, migration, differentiation, and synaptogenesis.
- These effects are observed in both developing and adult nervous systems.
Conclusions:
- Prenatal alcohol exposure profoundly disrupts the developing brain's GABAergic system.
- Understanding these disruptions is key to addressing FASD.
- Further research on GABAergic system modulation may offer therapeutic strategies for FASD.
Related Concept Videos
01:18Antiepileptic Drugs: GABAergic Pathway Potentiators
γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...
01:27CNS Depressants: Alcohol and Nicotine
Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
01:22Gut-Brain Axis
The gut–brain axis is a bidirectional communication system that connects the gastrointestinal tract and the brain. This interaction is mediated through multiple pathways, including the vagus nerve, hormonal signals, immune responses, and chemical messengers produced by gut microbes.Microbial Contributions to Brain FunctionGut microbiota contributes significantly to brain function by producing neuroactive compounds. These include neuroactive compounds that influence neurotransmitters such as...
01:27Production of Alcohol
Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...