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[Possible alterations in brain neural network by ethanol]
Megumi Yamamoto1, Wataru Ukai, Masaru Tateno
1Department of Neuropsychiatry, Sapporo Medical University School of Medicine, Minami 1 Nishi 16, Chuo-ku, Sapporo 060-8543, Japan.
Nihon Arukoru Yakubutsu Igakkai Zasshi = Japanese Journal of Alcohol Studies & Drug Dependence
|April 3, 2004
Summary
Alcoholism is a chronic brain disorder caused by long-term ethanol consumption, impacting neural circuits and intracellular pathways. Further research is needed to understand the molecular changes underlying alcohol dependence.
Area of Science:
- Neuroscience
- Molecular Biology
- Neurochemistry
Context:
- Alcoholism is a chronic, relapsing brain disorder resulting from long-term ethanol exposure.
- Neuroscience research has identified neural circuits and intracellular signaling pathways affected by ethanol.
- Significant gaps remain in understanding the molecular basis of the transition to alcohol dependence.
Purpose:
- To review the biological underpinnings of alcoholism, focusing on the brain's reward system.
- To examine ethanol's effects on related receptors and intracellular signal transduction, particularly cyclic AMP and calcium signaling.
- To introduce neural stem cell research as a future direction for alcoholism pathophysiology.
Summary:
- This review synthesizes current knowledge on the neurobiological basis of alcoholism.
- It highlights the roles of the brain's reward system, receptors, and second messenger systems (cyclic AMP, Ca2+) in ethanol's effects.
- The review discusses findings related to neural stem cells in understanding alcoholism.
Impact:
- Provides a comprehensive overview of the biological mechanisms of alcoholism.
- Identifies key molecular targets and pathways involved in alcohol dependence.
- Suggests novel research avenues using neural stem cells for future alcoholism studies.