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Alteration of Substrate Specificity by Common Variants, E158K/E308G and V257M, in Human Hepatic Drug-metabolizing Enzyme, Flavin-containing Monooxygenase 3
Jung-KyuLee, Ju-HeeKang, Young-NamCha, Woon-GyeChung, , Chang-ShinPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 6 157-162 (6 pages)
Our earlier studies found a significant correlation between the activities of ranitidine N-oxidation catalyzed by hepatic flavin-containing monooxygenase (FMO) and the presence of mutations in exon 4 (E158K) and exon 7 (E308G) of the FMO3 gene in Korean volunteers. However, caffeine N-1 demethylation (which is also partially catalyzed by FMO) was not significantly correlated with these FMO3 mutations. In this study, we examined another common mutation (V257M) in exon 6 of FMO3 gene. The V257M... -
Enhancement of Cyclosporine-Induced Oxidative Damage of Kidney Mitochondria by Iron
Yoon-YoungJang, Eun-SookHan, Chung-SooLee, Young-KiKim, Jin-HoSong, Yong-KyooShin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.6 12 631-640 (10 pages)
on cyclosporine-induced kidney mitochondrial damage. Damaging effect of 50 μM cyclosporine plus 20 μM Fe2 on mitochondrial lipids and proteins of rat kidney and hyaluronic acid was greater than the summation of oxidizing action of each compound alone, except sulfhydryl oxidation. Cyclosporine and 100 μM ascorbate showed an enhanced damaging effect on lipids but not on proteins. The peroxidative action of cyclosporine on lipids was enhanced with increasing concentrations of Fe2.... -
Thiobenzamide S-oxidation in Perfused Rat Liver Ex Vivo Determination of Hepatic Flavin-Containing Monooxygenase Activity
Woon-GyeChung, Hyung-KeunRoh, Young-NamCha 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.5 15 591-595 (5 pages)
An ex vivo assay determining the flavin-containing monooxygenase (FMO) activity in perfused rat liver has been developed by assessing the rate of thiobenzamide S-oxide (TBSO) formation from the infused thiobenzamide (TB). The hepatotoxicity by TB or TBSO was not a critical factor for maintaining the FMO activity for up to 50 min. The FMO activity expressed in nmoles TBSO produced/g liver/min was the same for the recycling and non-recycling perfusion. This implies that reduction of the oxidized... -
Enalapril Maleate 정제의 동등성에 관한 연구 ; 약동학적 성상 및 혈장 ACE 활성도 억제 효과
장인진(In-Jin Jang), 장병수(Byung-Soo Jang), 신상구(Sang-Goo Shin), 신재국(Jae-Gook Shin), 노일근(Il-Kun Rho), 이경훈(Kyeong Hun Lee), 박찬웅(Chan Woong Pa 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1990, 제 26권 제 2호 14 219-226 (8 pages)
국내 생산 enalapril maleate 10mg 제제 (Beartec？？)의 생물학적 동등성을 검토키위해, 원 제조원인 Merck사의 Vasotec？？을 기준 제제로하여 12명의 건강한 남성지원자를 대상으로 10mg 1회 경구 투여 교차시험후 약동학적 성상, ACE활성억제의 경시적 변화 및 혈압 변동을 검토한 결과는 다음과 같다. 1. 혈장 enalapril 및 활성형 대사물인 enalaprilat의 생체이용율 지표들(AUC, Tmax 및 Cmax)의 평균치는 시험제제에서 enalapril의 최고 혈장농도 도달시간(Tmax)이 약 27%(0.21시간)지연되었을 뿐 타 지포는 대조제제에 대한...
