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The expression of NMDA receptor subunit mRNA in human chronic alcoholics: influence of cirrhosis and genotype

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Ridge, J. P., Ho, A. M.-C., Innes, D. J. and Dodd, P. R. (2008) The expression of NMDA receptor subunit mRNA in human chronic alcoholics: influence of cirrhosis and genotype. Annals of the New York Academy of Science, 1139 (1). pp. 10-19. ISSN 1749-6632

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Article Link: https://doi.org/10.1196/annals.1432.053

Abstract

Ethanol is a modulator at the N-methyl-d-aspartate class of glutamate receptors in the brain. In animal studies the receptor adapts to sustained ethanol exposure through altered expression of the subunits that make up the receptor complex. We used real-time RT-PCR normalized to GAPDH to assay NR1, NR2A, and NR2B subunit mRNA in superior frontal and primary motor cortex tissue obtained at autopsy from chronic alcoholics with and without co-morbid cirrhosis of the liver, and from matched controls. The expression of all three subunits was significantly lower in both areas of cirrhotic alcoholics than in the corresponding areas in both controls and alcoholics without co-morbid disease, who did not differ significantly from each other. The decrease was area-dependent when cases were partitioned by the 5-HTTLPR allele. Thus, polymorphisms in one gene can have a significant effect on the expression of a second, unrelated, gene. The expression of the N-methyl-d-aspartate glutamate receptor complex is under multifactorial control.

Item Type:Article
Subjects:Science > Biology > Biochemistry
Science > Biology > Genetics
Live Archive:20 Feb 2024 01:58
Last Modified:20 Feb 2024 01:58

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