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Identification of UDP-glucuronosyltransferase isoforms involved in hepatic and intestinal glucuronidation of phytochemical carvacrol. 2012

Rui-Hua Dong, and Zhong-Ze Fang, and Liang-Liang Zhu, and Guang-Bo Ge, and Ling Yang, and Ze-Yuan Liu
Department of Clinical Pharmacology, Affiliated Hospital, Academy of Military Medical Sciences, Beijing, China.

1. Carvacrol (2-methyl-5-(1-methylethyl)-phenol), one of the main components occurring in many essential oils of the family Labiatae, has been widely used in food, spice and pharmaceutical industries. 2. The carvacrol glucuronidation was characterized by human liver microsomes (HLMs), human intestinal microsomes (HIMs) and 12 recombinant UGT (rUGT) isoforms. 3. One metabolite was identified as a mono-glucuronide by liquid chromatography/mass spectrometry with HLMs, HIMs, rUGT1A3, rUGT1A6, rUGT1A7, rUGT1A9 and rUGT2B7. 4. The study with a chemical inhibition, rUGT, and kinetics study demonstrated that rUGT1A9 was the major isozyme responsible for glucuronidation in HLMs, and rUGT1A7 played a major role for glucuronidation in HIMs.

UI MeSH Term Description Entries
D007422 Intestines The section of the alimentary canal from the STOMACH to the ANAL CANAL. It includes the LARGE INTESTINE and SMALL INTESTINE. Intestine
D007527 Isoenzymes Structurally related forms of an enzyme. Each isoenzyme has the same mechanism and classification, but differs in its chemical, physical, or immunological characteristics. Alloenzyme,Allozyme,Isoenzyme,Isozyme,Isozymes,Alloenzymes,Allozymes
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008297 Male Males
D008862 Microsomes, Liver Closed vesicles of fragmented endoplasmic reticulum created when liver cells or tissue are disrupted by homogenization. They may be smooth or rough. Liver Microsomes,Liver Microsome,Microsome, Liver
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance

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