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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Hyo-Jin (Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine) Seo, Kyung-Ah (Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine) Kim, Hyun-Mi (Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine) Lee, Hye-Suk (Drug Metabolism and Bioanalysis Laboratory College of Pharmacy, Wonkwang University) Lee, Choong-Hwan (Department of Biosciences and Biotechnology, IBST, Konkuk University) Shin, Jae-Gook (Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine) Liu, Kwang-Hyeon (Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine and Frontier Inje Research for Science and Technology, Inje University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제30권 제4호
발행연도
2007.1
수록면
469 - 474 (6page)

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KR-32570 (5-(2-Methoxy-5-chlorophenyl )furan-2-ylcarbonyl)guanidine) is a new cardioprotective agent for preventing ischemia-reperfusion injury. Human liver microsomal incubation of KR-32570 in the presence of NADPH resulted in the formation of two metabolites, hydroxy-KR-32570 and O-desmethyl-KR-32570. In this study, a kinetic analysis of the metabolism of two metabolites from KR-32570 was performed in human liver microsomes, and recombinant CYP1A2, and CYP3A4. The metabolism for hydroxy- and O-desmethyl-KR-32570 formation from KR-32570 by human liver microsomes was best described by a Michaelis-Menten equation and a Hill equation, respectively. The Cl$_{int}$ values of hydroxy- and O-desmethyl-KR-32570 formation were similar to each other (0.03 vs 0.04 ${\mu}$L/min/pmol CYP, respectively). CYP3A4 mediated the formation of hydroxy-KR-32570 from KR-32570 with Cl$_{int}$ = 0.24 ${\mu}$L/min/pmol CYP3A4. The intrinsic clearance for O-desmethyl-KR-32570 formation by CYP1A2 was 0.83${\mu}$L/min/pmol CYP1A2. These findings suggest that CYP3A4 and CYP1A2 enzymes are major enzymes contributing to the metabolism of KR-32570.

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