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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

The Expression and Regulation of CYP2D in a Monkey Model of Ethanol and Nicotine Exposure

Miller, Rebecca 15 July 2013 (has links)
CYP2D6 metabolizes a range of centrally acting drugs, neurotoxins, and endogenous neurochemicals. Higher levels of brain, but not liver, CYP2D6 have been identified in alcoholics and smokers, suggesting exposure to ethanol and/or nicotine may induce brain CYP2D6. We investigated the independent and combined effects of chronic ethanol self-administration and nicotine treatment on CYP2D expression. METHODS: Monkeys were randomized into 4 groups of 10/group consisting of a control group, ethanol-only group, nicotine-only group, and a combined ethanol and nicotine group; treatments occurred for 64 days. RESULTS: Exposure to chronic ethanol and nicotine induced CYP2D across various brain regions and cell types, particularly when both drugs were given in combination. No changes in protein levels were observed in liver or in CYP2D mRNA levels in liver and brain. CONCLUSIONS: Ethanol and nicotine increase brain CYP2D levels, which may affect CNS drug response, neurodegeneration and personality among those exposed to alcohol and/or nicotine.
2

The Expression and Regulation of CYP2D in a Monkey Model of Ethanol and Nicotine Exposure

Miller, Rebecca 15 July 2013 (has links)
CYP2D6 metabolizes a range of centrally acting drugs, neurotoxins, and endogenous neurochemicals. Higher levels of brain, but not liver, CYP2D6 have been identified in alcoholics and smokers, suggesting exposure to ethanol and/or nicotine may induce brain CYP2D6. We investigated the independent and combined effects of chronic ethanol self-administration and nicotine treatment on CYP2D expression. METHODS: Monkeys were randomized into 4 groups of 10/group consisting of a control group, ethanol-only group, nicotine-only group, and a combined ethanol and nicotine group; treatments occurred for 64 days. RESULTS: Exposure to chronic ethanol and nicotine induced CYP2D across various brain regions and cell types, particularly when both drugs were given in combination. No changes in protein levels were observed in liver or in CYP2D mRNA levels in liver and brain. CONCLUSIONS: Ethanol and nicotine increase brain CYP2D levels, which may affect CNS drug response, neurodegeneration and personality among those exposed to alcohol and/or nicotine.

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