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[Lymphocyte adenylate cyclase activity in alcoholics]
M Watanabe1, Y Katamura, A Nabeshima
1Department of Neuropsychiatry, Sapporo Medical College, Japan.
Arukoru Kenkyu to Yakubutsu Izon = Japanese Journal of Alcohol Studies & Drug Dependence
|October 1, 1992
Summary
Lymphocyte adenylate cyclase (AC) activity may serve as a biological marker for alcoholism. While not altered in acute withdrawal, it is reduced in long-term abstinent alcoholics, especially when exposed to ethanol.
Area of Science:
- Biochemistry
- Neuroscience
- Addiction Research
Context:
- Alcoholism is a chronic relapsing disease with complex biological underpinnings.
- Investigating cellular mechanisms in alcohol dependence is crucial for understanding its pathology.
Purpose:
- To examine lymphocyte adenylate cyclase (AC) activity as a potential biological marker in alcoholics.
- To assess AC activity in different stages of alcohol use and abstinence.
Summary:
- Lymphocyte AC activity stimulated by Gpp(NH)p was unchanged in alcoholics during acute withdrawal.
- In long-term abstinent alcoholics (≥1 year), Gpp(NH)p-stimulated AC activity showed a non-significant reduction.
- However, ethanol-induced AC activity was significantly reduced in lymphocytes from long-term abstinent alcoholics.
Impact:
- Lymphocyte AC activity, particularly its response to ethanol, could serve as a valuable biological marker for identifying individuals with a history of alcoholism.
- These findings may contribute to developing objective diagnostic tools for alcohol dependence.