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Nicotine Metabolite Ratio (3-Hydroxycotinine/Cotinine) in Plasma and Urine by Different Analytical Methods and Laboratories: Implications for Clinical Implementation.

机译:不同分析方法和实验室在血浆和尿液中的尼古丁代谢物比率(3-羟可宁/可替宁):对临床实施的意义。

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摘要

The highly genetically variable enzyme CYP2A6 metabolizes nicotine to cotinine (COT) and COT to trans-3'-hydroxycotinine (3HC). The nicotine metabolite ratio (NMR, 3HC/COT) is commonly used as a biomarker of CYP2A6 enzymatic activity, rate of nicotine metabolism, and total nicotine clearance; NMR is associated with numerous smoking phenotypes, including smoking cessation. Our objective was to investigate the impact of different measurement methods, at different sites, on plasma and urinary NMR measures from ad libitum smokers.
机译:高度遗传可变的酶CYP2A6将尼古丁代谢为可替宁(COT),将COT代谢为反式3'-羟基烟碱(3HC)。尼古丁代谢物比率(NMR,3HC / COT)通常用作CYP2A6酶活性,尼古丁代谢率和总尼古丁清除率的生物标记。 NMR与许多吸烟表型有关,包括戒烟。我们的目标是调查在任意场所使用不同测量方法对随意吸烟者血浆和尿NMR测量的影响。

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