Analytical method development for synthesized conjugated metabolites of trans-resveratrol, and application to pharmacokinetic studies.

Analytical method development for synthesized conjugated metabolites of trans-resveratrol, and application to pharmacokinetic studies.
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DOI:
10.1016/j.jpba.2011.12.006
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发表时间:
2012-04-07
影响因子:
3.4
通讯作者:
Nagar, Swati
Nagar, Swati
中科院分区:
医学3区
文献类型:
--
作者:
Iwuchukwu, Otito F.;Sharan, Satish;Canney, Daniel J.;Nagar, Swati

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反式-3,5,4 ′-三羟基二苯乙烯(trans-resveratrol,RES)由于广泛的共轭代谢,生物利用度很低。RES代谢产物是否表现出药理学活性是非常感兴趣的。本研究旨在合成RES的单缀合物-3-和4′单硫酸酯(R3 S和R4′S)和3-和4′单葡萄糖醛酸酯(R3 G和R4′G)。描述了合成、纯化和产率。利用合成的代谢物开发灵敏的LC-MSn测定法,用于直接定量所有分析物。验证了该试验的日内和日间精密度和准确度。RES偶联物的合成以及灵敏的生物分析测定的开发和验证应用于RES及其循环单偶联物在C57 BL小鼠中的药代动力学评价。该研究是第一次报告的直接定量RES单硫酸盐和单葡萄糖醛酸。这些结果将有助于表征RES及其主要或活性代谢物在体内的处置。
Trans -3,5,4′-trihydroxystilbene (trans-resveratrol, RES) exhibits very low bioavailability due to extensive conjugative metabolism. Whether RES metabolites exhibit pharmacologic activity is of great interest. The present study aimed at synthesis of monoconjugates of RES – the 3- and 4′ monosulfates (R3S and R4′S), and the 3- and 4′ monoglucuronides (R3G and R4′G). Synthesis, purification, and yield are described. Synthesized metabolites were utilized to develop a sensitive LC-MSn assay for direct quantitation of all analytes. The assay was validated for intra- and inter-day precision and accuracy. Synthesis of RES conjugates and development and validation of a sensitive bioanalytical assay were applied to pharmacokinetic evaluation of RES and its circulating monoconjugates in C57BL mice. The study is a first report of direct quantitation of RES monosulfates and monoglucuronides. These results will aid in characterizing the disposition of RES and its major or active metabolites in vivo.
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