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Tu DZ, Liu PQ, Zhu GH, Zeng HR, Deng YY, Huang J, Niu XT, Liu YF, Hu J, Liang XM, Finel M, Wang P, Ge GB. Human UDP-glucuronosyltransferase 1As catalyze aristolochic acid D O-glucuronidation to form a lesser nephrotoxic glucuronide. JOURNAL OF ETHNOPHARMACOLOGY 2024; 328:118116. [PMID: 38548118 DOI: 10.1016/j.jep.2024.118116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/17/2024] [Accepted: 03/25/2024] [Indexed: 04/08/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Aristolochic acids (AAs) are naturally occurring nitro phenanthrene carboxylic acids primarily found in plants of the Aristolochiaceae family. Aristolochic acid D (AAD) is a major constituent in the roots and rhizomes of the Chinese herb Xixin (the roots and rhizomes of Asarum heterotropoides F. Schmidt), which is a key material for preparing a suite of marketed Chinese medicines. Structurally, AAD is nearly identical to the nephrotoxic aristolochic acid I (AAI), with an additional phenolic group at the C-6 site. Although the nephrotoxicity and metabolic pathways of AAI have been well-investigated, the metabolic pathway(s) of AAD in humans and the influence of AAD metabolism on its nephrotoxicity has not been investigated yet. AIM OF THE STUDY To identify the major metabolites of AAD in human tissues and to characterize AAD O-glucuronidation kinetics in different enzyme sources, as well as to explore the influence of AAD O-glucuronidation on its nephrotoxicity. MATERIALS AND METHODS The O-glucuronide of AAD was biosynthesized and its chemical structure was fully characterized by both 1H-NMR and 13C-NMR. Reaction phenotyping assays, chemical inhibition assays, and enzyme kinetics analyses were conducted to assess the crucial enzymes involved in AAD O-glucuronidation in humans. Docking simulations were performed to mimic the catalytic conformations of AAD in human UDP-glucuronosyltransferases (UGTs), while the predicted binding energies and distances between the deprotonated C-6 phenolic group of AAD and the glucuronyl moiety of UDPGA in each tested human UGT isoenzyme were measured. The mitochondrial membrane potentials (MMP) and reactive oxygen species (ROS) levels in HK-2 cells treated with either AAI, or AAD, or AAD O-glucuronide were tested, to elucidate the impact of O-glucuronidation on the nephrotoxicity of AAD. RESULTS AAD could be rapidly metabolized in human liver and intestinal microsomes (HLM and HIM, respectively) to form a mono-glucuronide, which was purified and fully characterized as AAD-6-O-β-D-glucuronide (AADG) by NMR. UGT1A1 was the predominant enzyme responsible for AAD-6-O-glucuronidation, while UGT1A9 contributed to a lesser extent. AAD-6-O-glucuronidation in HLM, HIM, UGT1A1 and UGT1A9 followed Michaelis-Menten kinetics, with the Km values of 4.27 μM, 9.05 μM, 3.87 μM, and 7.00 μM, respectively. Docking simulations suggested that AAD was accessible to the catalytic cavity of UGT1A1 or UGT1A9 and formed catalytic conformations. Further investigations showed that both AAI and AAD could trigger the elevated intracellular ROS levels and induce mitochondrial dysfunction and in HK-2 cells, but AADG was hardly to trigger ROS accumulation and mitochondrial dysfunction. CONCLUSION Collectively, UGT1A-catalyzed AAD 6-O-glucuronidation represents a crucial detoxification pathway of this naturally occurring AAI analogs in humans, which is very different from that of AAI.
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Affiliation(s)
- Dong-Zhu Tu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Pei-Qi Liu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Guang-Hao Zhu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Hai-Rong Zeng
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yan-Yan Deng
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Jian Huang
- Pharmacology and Toxicology Division, Shanghai Institute of Food and Drug Control, Shanghai, 201203, China
| | - Xiao-Ting Niu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yan-Fang Liu
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Jing Hu
- Department of Nephrology, The Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Xin-Miao Liang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Moshe Finel
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, 00014, Finland
| | - Ping Wang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Guang-Bo Ge
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
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Rong Y, Li N, Qiao X, Yang L, Han P, Meng Z, Gan H, Wu Z, Zhu X, Sun Y, Liu S, Dou G, Gu R. Icaritin exhibits potential drug-drug interactions through the inhibition of human UDP-glucuronosyltransferase in vitro. Biopharm Drug Dispos 2024. [PMID: 38886878 DOI: 10.1002/bdd.2397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 06/03/2024] [Accepted: 06/03/2024] [Indexed: 06/20/2024]
Abstract
Icaritin is a prenylflavonoid derivative of the genus Epimedium (Berberidaceae) and has a variety of pharmacological actions. Icaritin is approved by the National Medical Products Administration as an anticancer drug that exhibits efficacy and safety advantages in patients with hepatocellular carcinoma cells. This study aimed to evaluate the inhibitory effects of icaritin on UDP-glucuronosyltransferase (UGT) isoforms. 4-Methylumbelliferone (4-MU) was employed as a probe drug for all the tested UGT isoforms using in vitro human liver microsomes (HLM). The inhibition potentials of UGT1A1 and 1A9 in HLM were further tested by employing 17β-estradiol (E2) and propofol (PRO) as probe substrates, respectively. The results showed that icaritin inhibits UGT1A1, 1A3, 1A4, 1A7, 1A8, 1A10, 2B7, and 2B15. Furthermore, icaritin exhibited a mixed inhibition of UGT1A1, 1A3, and 1A9, and the inhibition kinetic parameters (Ki) were calculated to be 3.538, 2.117, and 0.306 (μM), respectively. The inhibition of human liver microsomal UGT1A1 and 1A9 both followed mixed mechanism, with Ki values of 2.694 and 1.431 (μM). This study provides supporting information for understanding the drug-drug interaction (DDI) potential of the flavonoid icaritin and other UGT-metabolized drugs in clinical settings. In addition, the findings provide safety evidence for DDI when liver cancer patients receive a combination therapy including icaritin.
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Affiliation(s)
- Yi Rong
- Office of Pharmacotoxicology, Center for Drug Evaluation, NMPA, Beijing, China
| | - Nanxi Li
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Xuan Qiao
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Lei Yang
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Peng Han
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Zhiyun Meng
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Hui Gan
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Zhuona Wu
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Xiaoxia Zhu
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Yunbo Sun
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Shuchen Liu
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Guifang Dou
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Ruolan Gu
- Beijing Institute of Radiation Medicine, Beijing, China
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Liu P, Li Q, Zhu G, Zhang T, Tu D, Zhang F, Finel M, He Y, Ge G. Characterization of the glucuronidating pathway of pectolinarigenin, the major active constituent of the Chinese medicine Daji, in humans and its influence on biological activities. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117280. [PMID: 37797876 DOI: 10.1016/j.jep.2023.117280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/13/2023] [Accepted: 10/03/2023] [Indexed: 10/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The Chinese medicine Daji (the aerial part of Cirsium japonicum DC.) and its charred product (Cirsii Japonici Herba Carbonisata) have been widely used as hemostatic agents or diuretic agents to prepare a variety of Chinese herbal formula. Pectolinarigenin (PEC), one of the most abundant constituents in both Daji and its charred product, has been considered as the key effective substance responsible for the major pharmacological activities of Daji, including hemostasis, hepatoprotective, anti-tumor and anti-osteoporosis effects. However, the major metabolic pathways of PEC in humans and the influence of PEC metabolism on its biological activities are poorly understood. AIM OF THE STUDY To characterize the main metabolic pathway(s) and key enzymes of PEC in human biological systems, as well as to reveal the influence of PEC metabolism on its biological activities. MATERIALS AND METHODS The metabolic stability assays of PEC were investigated in human liver microsomes (HLM). The O-glucuronide of PEC was biosynthesized and characterized by nuclear magnetic resonance (NMR) spectroscopy. The key enzymes responsible for O-glucuronidation of PEC in humans were assigned by performing UGT reaction phenotyping, chemical inhibition and enzymatic kinetic assays. The agonist effects of PEC and its O-glucuronide on nuclear factor erythroid2-related factor 2 (Nrf2), Peroxisome proliferator activated receptors (PPARα and PPARβ) were tested at the cellular level. RESULTS PEC could be readily metabolized to form a mono-O-glucuronide in both human liver microsome (HLM) and human intestinal microsome (HIM). The mono-O-glucuronide was bio-synthesized by mouse liver S9 and its structure was fully characterized as PEC-7-O-β-D-glucuronide (PEC-O-7-G). UGT1A1, UGT1A3 and UGT1A9 are key enzymes responsible for PEC-7-O-glucuronidation in HLM, while UGT1A1, UGT1A9 and 1A10 may play key roles in this reaction in HIM. Biological tests revealed that PEC displayed strong agonist effects on Nrf2, PPARα and PPARβ, whereas PEC-7-O-glucuronide showed relatively weak Nrf2 agonist effect and very weak PPAR agonist effects, indicating that PEC-7-O-glucuronidation strongly weaken its agonist effects on Nrf2 and PPAR. CONCLUSIONS Our results demonstrate that 7-O-glucuronidation is the major metabolic pathway of PEC in human tissues, while UGT1A1, 1A3 and 1A9 are key contributing enzymes responsible for PEC-7-O-glucuronidation in human liver. It is also found that PEC 7-O-glucuronidation significantly weakens the Nrf2 and PPAR agonist effects. All these findings are very helpful for the pharmacologists to deep understand the metabolic rates of PEC in humans.
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Affiliation(s)
- Peiqi Liu
- School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou, China; Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Qian Li
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Guanghao Zhu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Tiantian Zhang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Dongzhu Tu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Feng Zhang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Moshe Finel
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, 00014, Finland
| | - Yuqi He
- School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou, China.
| | - Guangbo Ge
- School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou, China; Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
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Bao MY, Li M, Bu QR, Yang Y, Song H, Wang CZ, Wang TM, Li N. The effect of herbal medicine in innate immunity to Candida albicans. Front Immunol 2023; 14:1096383. [PMID: 37483621 PMCID: PMC10359817 DOI: 10.3389/fimmu.2023.1096383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 03/06/2023] [Indexed: 07/25/2023] Open
Abstract
Candida albicans (C. albicans) is an opportunistic pathogenic fungus that often causes mucosal and systemic infections. Several pattern recognition receptors (PRRs), such as Toll-like receptors (TLRs) and C-type lectin receptors (CLRs), have been implicated in the host recognition of C. albicans. These PRRs recognize the pathogen-associated molecular patterns (PAMPs) of C. albicans to activate innate immune cells, thereby rapidly inducing various inflammatory responses by activating intracellular signaling cascades. Herbal medicine and its active components deserve priority development due to their low toxicity and high antibacterial, antiviral and antifungal activities. This review discussed the activities of herbal compounds against C. albicans and their related mechanisms, especially their regulatory role on innate immune cells such as neutrophils, macrophages, and dendritic cells (DCs) implicated in C. albicans infections. Our work aims to find new therapeutic drugs and targets to prevent and treat diseases caused by C. albicans infection with the mechanisms by which this fungus interacts with the innate immune response.
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Affiliation(s)
- Meng-Yuan Bao
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
| | - Ming Li
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Qing-Ru Bu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
| | - Yue Yang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Hang Song
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Chang-Zhong Wang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Tian-Ming Wang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Ning Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, School of Pharmacy, Anhui Medical University, Hefei, China
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Zhu L, Lv H, Xiao L, Hou Y, Li W, Ge G, Ai C. Diverse effects of α-/β-estradiol on catalytic activities of human UDP-glucuronosyltransferases (UGT). J Steroid Biochem Mol Biol 2023; 225:106196. [PMID: 36181991 DOI: 10.1016/j.jsbmb.2022.106196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/21/2022] [Accepted: 09/26/2022] [Indexed: 02/01/2023]
Abstract
β-estradiol (β-E2) and α-estradiol (α-E2) act as an endo- and an exon-estrogen in humans, respectively. There is a structural variation in C17-OH configuration of the two estrogens. UDP-glucuronosyltransferases (UGT) are responsible for termination of activities of a variety of endogenous hormones, clinical drugs, and environmental toxicants. The current study was conducted to investigate the effects of the two estrogens towards catalytic activities of UGTs. It was found that β-E2 could decrease activities of UGT1A9, - 2B4 and - 2B7, with Ki values of a few micro-molars. β-E2 could additionally accelerate the activity of UGT2B17 via promoting enzyme-substrate binding and increasing the turn over number. Comparatively, α-E2 displayed much stronger inhibitory potentials towards UGT2B7 and - 2B4, but showed little influence to UGT1A9 and - 2B17. The Ki values for inhibition of UGT2B7 in glucuronidation of different substrates by α-E2 were in a nanomolar range that is only about 1/100-1/50 of β-E2. UGT2B7 structural model was fatherly constructed to explore the mechanism underlying dramatically different inhibition selectivity of the two estrogens. Compared to β-E2, α-E2 formed more hydrophobic and hydrogen-bonded interactions with the residues in the active pocket. It is concluded that the configuration of E2-17-OH determines the inhibitory potentials towards UGTs. The results are useful in better understanding ligand selectivity of UGTs, as well as in further development of α-E2 in health protection.
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Affiliation(s)
- Liangliang Zhu
- School of Life Science and Research Center of Aquatic Organism Conservation & Water Ecosystem Restoration, Anqing Normal University, Anqing 246133, China
| | - Hui Lv
- School of Life Science and Research Center of Aquatic Organism Conservation & Water Ecosystem Restoration, Anqing Normal University, Anqing 246133, China
| | - Ling Xiao
- School of Resources and Environment and Key Laboratory of Aqueous Environment Protection & Pollution Control of Yangtze River, Anqing Normal University, Anqing 246133, China
| | - Yanyao Hou
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, China
| | - Wenjuan Li
- School of Life Science and Research Center of Aquatic Organism Conservation & Water Ecosystem Restoration, Anqing Normal University, Anqing 246133, China
| | - Guangbo Ge
- Institute of Interdisciplinary Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Chunzhi Ai
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, China.
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Niu L, Hou Y, Jiang M, Bai G. The rich pharmacological activities of Magnolia officinalis and secondary effects based on significant intestinal contributions. JOURNAL OF ETHNOPHARMACOLOGY 2021; 281:114524. [PMID: 34400262 DOI: 10.1016/j.jep.2021.114524] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 08/01/2021] [Accepted: 08/13/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Magnolia officinalis Cortex (M. officinalis) is a traditional herbal drug widely used in Asian countries. Depending on its multiple biological activities, M. officinalis is used to regulate gastrointestinal (GI) motility, relieve cough and asthma, prevent cardiovascular and cerebrovascular diseases, and treat depression and anxiety. AIM OF THE REVIEW We aimed to review the abundant form of pharmacodynamics activity and potential mechanisms of action of M. officinalis and the characteristics of the internal processes of the main components. The potential mechanisms of local and distance actions of M. officinalis based on GI tract was provided, and it was used to reveal the interconnections between traditional use, phytochemistry, and pharmacology. MATERIALS AND METHODS Published literatures about M. officinalis and its main components were collected from several scientific databases, including PubMed, Elsevier, ScienceDirect, Google Scholar and Web of Science etc. RESULTS: M. officinalis was shown multiple effects including effects on digestive system, respiratory system, central system, which is consistent with traditional applications, as well as some other activities such as cardiovascular system, anticancer, anti-inflammatory and antioxidant effects and so on. The mechanisms of these activities are abundant. Its chief ingredients such as magnolol and honokiol can be metabolized into active metabolites in vivo, which can increase water solubility and bioavailability and exert pharmacological activity in the whole body. In the GI tract, M. officinalis and its main ingredient can regulate GI hormones and substance metabolism, protect the intestinal barrier and affect the gut microbiota (GM). These actions are effective to improve local discomfort and some distal symptoms such as depression, asthma, or metabolic disorders. CONCLUSIONS Although M. officinalis has rich pharmacological effects, the GI tract makes great contributions to it. The GI tract is not only an important place for absorption and metabolism but also a key site to help M. officinalis exert local and distal efficacy. Pharmacodynamical studies on the efficacies of distal tissues based on the contributions of the GI tract hold great potential for understanding the benefits of M. officinalis and providing new ideas for the treatment of important diseases.
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Affiliation(s)
- Lin Niu
- Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, People's Republic of China
| | - Yuanyuan Hou
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Haihe Education Park, 38 Tongyan Road, Tianjin, 300353, People's Republic of China
| | - Min Jiang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Haihe Education Park, 38 Tongyan Road, Tianjin, 300353, People's Republic of China
| | - Gang Bai
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Haihe Education Park, 38 Tongyan Road, Tianjin, 300353, People's Republic of China.
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Li M, He Q, Yao L, Wang X, Tang Z, Zhu X, Lin HS, Xiang X. Simultaneous Quantification of Propylthiouracil and Its N-β-d Glucuronide by HPLC-MS/MS: Application to a Metabolic Study. Pharmaceuticals (Basel) 2021; 14:1194. [PMID: 34832976 PMCID: PMC8622909 DOI: 10.3390/ph14111194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 11/16/2022] Open
Abstract
Propylthiouracil (PTU) is commonly prescribed for the management of hyperthyroidism and thyrotoxicosis. Although the exact mechanism of action is not fully understood, PTU is associated with hepatoxicity in pediatric population. Glucuronidation mediated by uridine 5'-diphospho-glucuronosyltransferases (UGTs), which possess age-dependent expression, has been proposed as an important metabolic pathway of PTU. To further examine the metabolism of PTU, a reliable HPLC-MS/MS method for the simultaneous quantification of PTU and its N-β-D glucuronide (PTU-GLU) was developed and validated. The chromatographic separation was achieved on a ZORBAX Extend-C18 column (2.1 × 50 mm, 1.8 μm) through gradient delivery of a mixture of formic acid, methanol and acetonitrile. The electrospray ionization (ESI) was operated in its negative ion mode while PTU and PTU-GLU were detected by multiple reaction monitoring (MRM). This analytical method displayed excellent linearity, sensitivity, accuracy, precision, recovery and stability while its matrix effect and carry-over were insignificant. Subsequently, the in vitro metabolism of PTU was assessed and UGT1A9 was identified as an important UGT isoform responsible for the glucuronidation of PTU. The information obtained from this study will facilitate future mechanistic investigation on the hepatoxicity of PTU and may optimize its clinical application.
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Affiliation(s)
- Min Li
- Department of Clinical Pharmacy and Pharmacy Administration, School of Pharmacy, Fudan University, Shanghai 201203, China; (M.L.); (Q.H.); (L.Y.); (X.W.); (Z.T.); (X.Z.)
| | - Qingfeng He
- Department of Clinical Pharmacy and Pharmacy Administration, School of Pharmacy, Fudan University, Shanghai 201203, China; (M.L.); (Q.H.); (L.Y.); (X.W.); (Z.T.); (X.Z.)
| | - Li Yao
- Department of Clinical Pharmacy and Pharmacy Administration, School of Pharmacy, Fudan University, Shanghai 201203, China; (M.L.); (Q.H.); (L.Y.); (X.W.); (Z.T.); (X.Z.)
| | - Xiaofeng Wang
- Department of Clinical Pharmacy and Pharmacy Administration, School of Pharmacy, Fudan University, Shanghai 201203, China; (M.L.); (Q.H.); (L.Y.); (X.W.); (Z.T.); (X.Z.)
| | - Zhijia Tang
- Department of Clinical Pharmacy and Pharmacy Administration, School of Pharmacy, Fudan University, Shanghai 201203, China; (M.L.); (Q.H.); (L.Y.); (X.W.); (Z.T.); (X.Z.)
| | - Xiao Zhu
- Department of Clinical Pharmacy and Pharmacy Administration, School of Pharmacy, Fudan University, Shanghai 201203, China; (M.L.); (Q.H.); (L.Y.); (X.W.); (Z.T.); (X.Z.)
| | - Hai-Shu Lin
- College of Pharmacy, Shenzhen Technology University, Shenzhen 518118, China
| | - Xiaoqiang Xiang
- Department of Clinical Pharmacy and Pharmacy Administration, School of Pharmacy, Fudan University, Shanghai 201203, China; (M.L.); (Q.H.); (L.Y.); (X.W.); (Z.T.); (X.Z.)
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Zhu M, Tian Z, Jin L, Huo X, Wang C, Cui J, Tian Y, Tian X, Feng L. A highly selective fluorescent probe for real-time imaging of UDP-glucuronosyltransferase 1A8 in living cells and tissues. Front Chem Sci Eng 2021. [DOI: 10.1007/s11705-021-2064-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Zhang R, Wei Y, Yang T, Huang X, Zhou J, Yang C, Zhou J, Liu Y, Shi S. Inhibitory effects of quercetin and its major metabolite quercetin-3-O-β-D-glucoside on human UDP-glucuronosyltransferase 1A isoforms by liquid chromatography-tandem mass spectrometry. Exp Ther Med 2021; 22:842. [PMID: 34149888 PMCID: PMC8210293 DOI: 10.3892/etm.2021.10274] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 08/19/2020] [Indexed: 12/17/2022] Open
Abstract
Quercetin is a flavonoid that is widely present in plant-derived food. Quercetin-3-O-β-D-glucoside (Q3GA) is a predominant metabolite of quercetin in animal and human plasma. The inhibitory effects of the UDP-glucuronosyl transferases (UGTs) caused by herbal components may be a key factor for the clinical assessment of herb-drug interactions (HDIs). The present study aimed to investigate the inhibitory profile of quercetin and Q3GA on recombinant UGT1A isoforms in vitro. The metabolism of the nonspecific substrate 4-methylumbelliferone (4-MU) by the UGT1A isoforms was assessed by liquid chromatography-tandem mass spectrometry. Preliminary screening experiments indicated that quercetin exhibited stronger inhibitory effects on UGT1A1, UGT1A3, UGT1A6 and UGT1A9 enzymes than Q3GA. Kinetic experiments were performed to characterize the type of inhibition caused by quercetin and Q3GA towards these UGT isoforms. Quercetin exerted non-competitive inhibition on UGT1A1 and UGT1A6, with half maximal inhibitory concentration (IC50) values of 7.47 and 7.07 µM and inhibition kinetic parameter (Ki) values of 2.18 and 28.87 µM, respectively. Quercetin also exhibited competitive inhibition on UGT1A3 and UGT1A9, with IC50 values of 10.58 and 2.81 µM and Ki values of 1.60 and 0.51 µM, respectively. However, Q3GA displayed weak inhibition on UGT1A1, UGT1A3 and UGT1A6 enzymes with IC50 values of 45.21, 106.5 and 51.37 µM, respectively. In the present study, quercetin was a moderate inhibitor of UGT1A1 and UGT1A3, a weak inhibitor of UGT1A6, and a strong inhibitor on UGT1A9. The results of the present study suggested potential HDIs that may occur following quercetin co-administration with drugs that are mainly metabolized by UGT1A1, UGT1A3 and UGT1A9 enzymes.
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Affiliation(s)
- Rui Zhang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Ye Wei
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Tingyu Yang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Xixi Huang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Jinping Zhou
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Chunxiao Yang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Jiani Zhou
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Yani Liu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Shaojun Shi
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
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10
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Zhou QH, Lv X, Tian ZH, Finel M, Feng L, Huo PC, Zhu YD, Lu Y, Hou J, Ge GB. A fluorescence-based microplate assay for high-throughput screening and evaluation of human UGT inhibitors. Anal Chim Acta 2021; 1153:338305. [PMID: 33714444 DOI: 10.1016/j.aca.2021.338305] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 01/25/2021] [Accepted: 02/06/2021] [Indexed: 01/13/2023]
Abstract
Human UDP-glucuronosyltransferase enzymes (hUGTs), one of the most important classes of conjugative enzymes, are responsible for the glucuronidation and detoxification of a variety of endogenous substances and xenobiotics. Inhibition of hUGTs may cause undesirable effects or adverse drug-drug interactions (DDI) via modulating the glucuronidation rates of endogenous toxins or the drugs that are primarily conjugated by the inhibited hUGTs. Herein, to screen hUGTs inhibitors in a more efficient way, a novel fluorescence-based microplate assay has been developed by utilizing a fluorogenic substrate. Following screening of series of 4-hydroxy-1,8-naphthalimide derivatives, we found that 4-HN-335 is a particularly good substrate for a panel of hUGTs. Under physiological conditions, 4-HN-335 can be readily O-glucuronidated by ten hUGTs, such reactions generate a single O-glucuronide with a high quantum yield (Ф = 0.79) and bring remarkable changes in fluorescence emission. Subsequently, a fluorescence-based microplate assay is developed to simultaneously measure the inhibitory effects of selected compound(s) on ten hUGTs. The newly developed fluorescence-based microplate assay is time- and cost-saving, easy to manage and can be adapted for 96-well microplate format with the Z-factor of 0.92. We further demonstrate the utility of the fluorescence-based assay for high-throughput screening of two compound libraries, resulting in the identification of several potent UGT inhibitors, including natural products and FDA-approved drugs. Collectively, this study reports a novel fluorescence-based microplate assay for simultaneously sensing the residual activities of ten hUGTs, which strongly facilitates the identification and characterization of UGT inhibitors from drugs or herbal constituents and the investigations on UGT-mediated DDI.
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Affiliation(s)
- Qi-Hang Zhou
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China; Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xia Lv
- Dalian Medical University, Dalian, China
| | - Zhen-Hao Tian
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Moshe Finel
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Finland
| | - Lei Feng
- Dalian Medical University, Dalian, China
| | - Peng-Chao Huo
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ya-Di Zhu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yin Lu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jie Hou
- Dalian Medical University, Dalian, China.
| | - Guang-Bo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
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11
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Zhou QH, Qin WW, Finel M, He QQ, Tu DZ, Wang CR, Ge GB. A broad-spectrum substrate for the human UDP-glucuronosyltransferases and its use for investigating glucuronidation inhibitors. Int J Biol Macromol 2021; 180:252-261. [PMID: 33741369 DOI: 10.1016/j.ijbiomac.2021.03.073] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 03/12/2021] [Accepted: 03/13/2021] [Indexed: 02/07/2023]
Abstract
Strong inhibition of the human UDP-glucuronosyltransferase enzymes (UGTs) may lead to undesirable effects, including hyperbilirubinaemia and drug/herb-drug interactions. Currently, there is no good way to examine the inhibitory effects and specificities of compounds toward all the important human UGTs, side-by-side and under identical conditions. Herein, we report a new, broad-spectrum substrate for human UGTs and its uses in screening and characterizing of UGT inhibitors. Following screening a variety of phenolic compound(s), we have found that methylophiopogonanone A (MOA) can be readily O-glucuronidated by all tested human UGTs, including the typical N-glucuronidating enzymes UGT1A4 and UGT2B10. MOA-O-glucuronidation yielded a single mono-O-glucuronide that was biosynthesized and purified for structural characterization and for constructing an LC-UV based MOA-O-glucuronidation activity assay, which was then used for investigating MOA-O-glucuronidation kinetics in recombinant human UGTs. The derived Km values were crucial for selecting the most suitable assay conditions for assessing inhibitory potentials and specificity of test compound(s). Furthermore, the inhibitory effects and specificities of four known UGT inhibitors were reinvestigated by using MOA as the substrate for all tested UGTs. Collectively, MOA is a broad-spectrum substrate for the human UGTs, which offers a new and practical tool for assessing inhibitory effects and specificities of UGT inhibitors.
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Affiliation(s)
- Qi-Hang Zhou
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Wei-Wei Qin
- Department of Pharmacy, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Moshe Finel
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, 00014, Finland
| | - Qing-Qing He
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Dong-Zhu Tu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Chao-Ran Wang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Guang-Bo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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12
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Kuang Y, Chai Y, Xu L, Wang Z, Liang L, Qiao X, Ye M. Glabrone as a specific UGT1A9 probe substrate and its application in discovering the inhibitor glycycoumarin. Eur J Pharm Sci 2021; 161:105786. [PMID: 33684484 DOI: 10.1016/j.ejps.2021.105786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 02/10/2021] [Accepted: 03/01/2021] [Indexed: 10/22/2022]
Abstract
UDP-glucuronosyltransferase 1A9 (UGT1A9) is one of the most important UGT isoforms, and plays an important role in the metabolic elimination of therapeutic drugs via glucuronidation. Herbal medicines affecting the activity of UGT1A9 may influence the metabolism of related drugs, thus causing herb-drug interactions and even adverse effects. However, few methods are available to evaluate the activity of UGT1A9. In this study, a natural product glabrone was discovered as an isoform-specific probe substrate for UGT1A9. The Vmax and Km values of glabrone were 362.6 nmol/min/mg protein and 17.2 μM for human liver microsomes (HLMs), and 382.3 nmol/min/mg protein and 16.6 μM for recombinant human UGT1A9, respectively. Glabrone 7-O-glucuronide, the UGT1A9 metabolite of glabrone, was prepared by using a plant glucuronosyltransferase UGT88D1, and the structure was identified by NMR spectroscopy. Using glabrone as a probe, we established a rapid HPLC method to screen UGT1A9 inhibitors from 54 natural products isolated from the Chinese herbal medicine licorice. Among them, glycycoumarin was found as a potent UGT1A9 inhibitor with an IC50 value of 6.04 μM. In rats, the pretreatment of glycycoumarin (4 mg/kg, i.p.) for 3 days could remarkably increase the plasma concentrations of dapagliflozin while decrease the concentrations of dapagliflozin-O-glucuronide after administration of dapagliflozin (1 mg/kg, i.v.), which is mainly metabolized by UGT1A9. The results indicated the potential risk of herb-drug interactions between licorice and UGT1A9-metabolizing drugs.
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Affiliation(s)
- Yi Kuang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Yue Chai
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Lulu Xu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Zilong Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Lei Liang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Xue Qiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China.
| | - Min Ye
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China; Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University, 38 Xueyuan Road, Beijing 100191, China.
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13
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Lv H, Wang J, Wang M, Shen L, Xiao L, Chen T, Sun T, Li W, Zhu L, Zhang X. Potent inhibition of tributyltin (TBT) and triphenyltin (TPT) against multiple UDP-glucuronosyltransferases (UGT): A new potential mechanism underlying endocrine disrupting actions. Food Chem Toxicol 2021; 149:112039. [DOI: 10.1016/j.fct.2021.112039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 01/13/2021] [Accepted: 01/29/2021] [Indexed: 02/03/2023]
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14
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Miners JO, Rowland A, Novak JJ, Lapham K, Goosen TC. Evidence-based strategies for the characterisation of human drug and chemical glucuronidation in vitro and UDP-glucuronosyltransferase reaction phenotyping. Pharmacol Ther 2020; 218:107689. [PMID: 32980440 DOI: 10.1016/j.pharmthera.2020.107689] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 09/17/2020] [Accepted: 09/18/2020] [Indexed: 12/26/2022]
Abstract
Enzymes of the UDP-glucuronosyltransferase (UGT) superfamily contribute to the elimination of drugs from almost all therapeutic classes. Awareness of the importance of glucuronidation as a drug clearance mechanism along with increased knowledge of the enzymology of drug and chemical metabolism has stimulated interest in the development and application of approaches for the characterisation of human drug glucuronidation in vitro, in particular reaction phenotyping (the fractional contribution of the individual UGT enzymes responsible for the glucuronidation of a given drug), assessment of metabolic stability, and UGT enzyme inhibition by drugs and other xenobiotics. In turn, this has permitted the implementation of in vitro - in vivo extrapolation approaches for the prediction of drug metabolic clearance, intestinal availability, and drug-drug interaction liability, all of which are of considerable importance in pre-clinical drug development. Indeed, regulatory agencies (FDA and EMA) require UGT reaction phenotyping for new chemical entities if glucuronidation accounts for ≥25% of total metabolism. In vitro studies are most commonly performed with recombinant UGT enzymes and human liver microsomes (HLM) as the enzyme sources. Despite the widespread use of in vitro approaches for the characterisation of drug and chemical glucuronidation by HLM and recombinant enzymes, evidence-based guidelines relating to experimental approaches are lacking. Here we present evidence-based strategies for the characterisation of drug and chemical glucuronidation in vitro, and for UGT reaction phenotyping. We anticipate that the strategies will inform practice, encourage development of standardised experimental procedures where feasible, and guide ongoing research in the field.
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Affiliation(s)
- John O Miners
- Department of Clinical Pharmacology and Flinders Centre for Innovation in Cancer, College of Medicine and Public Health, Flinders University, Adelaide, Australia.
| | - Andrew Rowland
- Department of Clinical Pharmacology and Flinders Centre for Innovation in Cancer, College of Medicine and Public Health, Flinders University, Adelaide, Australia
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15
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Xiao L, Chi D, Sheng G, Li W, Lin P, Liang S, Zhu L, Dong P. Inhibitory effects of UDP-glucuronosyltransferase (UGT) typical ligands against E. coli beta-glucuronidase (GUS). RSC Adv 2020; 10:22966-22971. [PMID: 35520305 PMCID: PMC9054634 DOI: 10.1039/d0ra02311f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 05/30/2020] [Indexed: 12/16/2022] Open
Abstract
Selectivity of ligand overlaps between UDP-glucuronosyltransferases (UGTs) and β-glucuronidase (GUS).
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Affiliation(s)
- Ling Xiao
- School of Resources and Environment
- Key Laboratory of Aqueous Environment Protection and Pollution Control of Yangtze River
- Anqing Normal University
- Anqing 246133
- China
| | - Dehui Chi
- Department of Food Science and Technology
- School of Life Science and Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration
- Anqing Normal University
- Anqing 246133
- China
| | - Guiju Sheng
- Department of Food Science and Technology
- School of Life Science and Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration
- Anqing Normal University
- Anqing 246133
- China
| | - Wenjuan Li
- Department of Food Science and Technology
- School of Life Science and Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration
- Anqing Normal University
- Anqing 246133
- China
| | - Penghui Lin
- Center for Environmental and Systems Biochemistry
- Markey Cancer Center, and Dept. of Toxicology & Cancer Biology
- University of Kentucky
- Lexington
- USA
| | - Sicheng Liang
- School of Pharmacy
- The Affiliated Hospital of Southwest Medical University
- Luzhou 646000
- China
| | - Liangliang Zhu
- Department of Food Science and Technology
- School of Life Science and Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration
- Anqing Normal University
- Anqing 246133
- China
| | - Peipei Dong
- College of Integrative Medicine
- Dalian Medical University
- Dalian 116044
- China
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16
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Lee H, Heo JK, Lee GH, Park SY, Jang SN, Kim HJ, Kwon MJ, Song IS, Liu KH. Ginsenoside Rc Is a New Selective UGT1A9 Inhibitor in Human Liver Microsomes and Recombinant Human UGT Isoforms. Drug Metab Dispos 2019; 47:1372-1379. [DOI: 10.1124/dmd.119.087965] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 09/25/2019] [Indexed: 12/17/2022] Open
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17
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Song YQ, Weng ZM, Dou TY, Finel M, Wang YQ, Ding LL, Jin Q, Wang DD, Fang SQ, Cao YF, Hou J, Ge GB. Inhibition of human carboxylesterases by magnolol: Kinetic analyses and mechanism. Chem Biol Interact 2019; 308:339-349. [DOI: 10.1016/j.cbi.2019.06.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 05/22/2019] [Accepted: 06/03/2019] [Indexed: 12/24/2022]
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18
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Insights on the Multifunctional Activities of Magnolol. BIOMED RESEARCH INTERNATIONAL 2019; 2019:1847130. [PMID: 31240205 PMCID: PMC6556366 DOI: 10.1155/2019/1847130] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/03/2019] [Accepted: 05/15/2019] [Indexed: 12/31/2022]
Abstract
Over years, various biological constituents are isolated from Traditional Chinese Medicine and confirmed to show multifunctional activities. Magnolol, a hydroxylated biphenyl natural compound isolated from Magnolia officinalis, has been extensively documented and shows a range of biological activities. Many signaling pathways include, but are not limited to, NF-κB/MAPK, Nrf2/HO-1, and PI3K/Akt pathways, which are implicated in the biological functions mediated by magnolol. Thus, magnolol is considered as a promising therapeutic agent for clinic research. However, the low water solubility, the low bioavailability, and the rapid metabolism of magnolol dramatically limit its clinical application. In this review, we will comprehensively discuss the last five-year progress of the biological activities of magnolol, including anti-inflammatory, antimicroorganism, antioxidative, anticancer, neuroprotective, cardiovascular protection, metabolism regulation, and ion-mediating activity.
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19
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Xia Y, Pang H. Glucuronidation of d-Luciferin In Vitro: Isoform Selectivity and Kinetics Characterization. Eur J Drug Metab Pharmacokinet 2019; 44:549-556. [DOI: 10.1007/s13318-019-00549-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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20
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Identification and characterization of in vitro inhibitors against UDP-glucuronosyltransferase 1A1 in uva-ursi extracts and evaluation of in vivo uva-ursi-drug interactions. Food Chem Toxicol 2018; 120:651-661. [DOI: 10.1016/j.fct.2018.07.058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 06/27/2018] [Accepted: 07/30/2018] [Indexed: 02/06/2023]
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21
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Xia YL, Dou TY, Lv X, Ge GB. In vitro characterization of the glucuronidation pathways of licochalcone A mediated by human UDP-glucuronosyltransferases. Xenobiotica 2018; 49:671-677. [DOI: 10.1080/00498254.2018.1495345] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yang-Liu Xia
- School of Life Science and Medicine, Dalian University of Technology, Panjin, China
| | - Tong-Yi Dou
- School of Life Science and Medicine, Dalian University of Technology, Panjin, China
| | - Xia Lv
- College of Life Science, Dalian Minzu University, Dalian, China
| | - Guang-Bo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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22
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Catechol-O-Methyltransferase and UDP-Glucuronosyltransferases in the Metabolism of Baicalein in Different Species. Eur J Drug Metab Pharmacokinet 2018; 42:981-992. [PMID: 28536775 DOI: 10.1007/s13318-017-0419-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Baicalein is the major bioactive flavonoid in some herb medicines and dietary plants; however, the detailed metabolism pathway of its major metabolite oroxylin A-7-O-β-D-glucuronide in human was not clear. It was important to illustrate the major metabolic enzymes that participate in its elimination for the clinic use of baicalein. OBJECTIVES We first revealed a two-step metabolism profile for baicalein and illustrated the combination of catechol-O-methyltransferase (COMT) and uridine diphosphate-glucuronosyltransferases (UGTs) in drug metabolism, further evaluated its bioactivity variation during drug metabolism. METHODS The metabolism profiles were systematically characterized in different human biology preparations; after then, the anti-inflammatory activities of metabolites were evaluated in LPS-induced RAW264.7 cell. RESULTS The first-step metabolite of baicalein was isolated and identified as oroxylin A; soluble-bound COMT (S-COMT) was the major enzyme responsible for its biotransformation. Specially, position 108 mutation of S-COMT significantly decreases the elimination. Meantime, oroxylin A was rapidly metabolized by UGTs, UGT1A1, -1A3, -1A6, -1A7, -1A8, -1A9, and -1A10 which were involved in the glucuronidation. Considerable species differences were observed with 1060-fold K m (3.05 ± 1.86-3234 ± 475 μM) and 330-fold CLint (5.93-1973 μL/min/mg) variations for baicalein metabolism. Finally, the middle metabolite oroxylin A exhibited a potent anti-inflammatory activity with the IC50 value of 28 μM. CONCLUSION The detailed kinetic parameters indicated that COMT provide convenience for the next glucuronidation; monkey would be a preferred animal model for the preclinical investigation of baicalein. Importantly, oroxylin A should be reconsidered in evaluating baicalein efficacy against inflammatory diseases.
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23
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Lv X, Zhang JB, Wang XX, Hu WZ, Shi YS, Liu SW, Hao DC, Zhang WD, Ge GB, Hou J, Yang L. Amentoflavone is a potent broad-spectrum inhibitor of human UDP-glucuronosyltransferases. Chem Biol Interact 2018; 284:48-55. [DOI: 10.1016/j.cbi.2018.02.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 02/03/2018] [Accepted: 02/12/2018] [Indexed: 11/25/2022]
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24
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Xiao L, Zhu L, Li W, Li C, Cao Y, Ge G, Sun X. New Insights into SN-38 Glucuronidation: Evidence for the Important Role of UDP Glucuronosyltransferase 1A9. Basic Clin Pharmacol Toxicol 2017; 122:424-428. [DOI: 10.1111/bcpt.12929] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 10/20/2017] [Indexed: 11/28/2022]
Affiliation(s)
- Ling Xiao
- Laboratory of Environmental Science; School of Resources and Environment; Anqing Normal University; Anqing China
- Anhui Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration; Anqing Normal University; Anqing China
| | - Liangliang Zhu
- Anhui Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration; Anqing Normal University; Anqing China
- Department of Food Science and Technology; School of Life Science; Anqing Normal University; Anqing China
| | - Wenjuan Li
- Anhui Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration; Anqing Normal University; Anqing China
- Department of Food Science and Technology; School of Life Science; Anqing Normal University; Anqing China
| | - Conghu Li
- Anhui Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration; Anqing Normal University; Anqing China
- Department of Food Science and Technology; School of Life Science; Anqing Normal University; Anqing China
| | - Yunfeng Cao
- Joint Center for Translational Medicine; Dalian Institute of Chemical Physics and the first Affiliated Hospital of Liaoning Medical University; Dalian China
| | - Guangbo Ge
- Institute of Interdisciplinary Integrative Medicine Research; Shanghai University of Traditional Chinese Medicine; Shanghai China
| | - Xiaoyu Sun
- Joint Center for Translational Medicine; Dalian Institute of Chemical Physics and the first Affiliated Hospital of Liaoning Medical University; Dalian China
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25
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Lv X, Feng L, Ai CZ, Hou J, Wang P, Zou LW, Cheng J, Ge GB, Cui JN, Yang L. A Practical and High-Affinity Fluorescent Probe for Uridine Diphosphate Glucuronosyltransferase 1A1: A Good Surrogate for Bilirubin. J Med Chem 2017; 60:9664-9675. [PMID: 29125289 DOI: 10.1021/acs.jmedchem.7b01097] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This study aimed to develop a practical and high-affinity fluorescent probe for uridine diphosphate glucuronosyltransferase 1A1 (UGT1A1), a key conjugative enzyme responsible for the elimination and detoxification of many potentially harmful compounds. Several substrates derived from N-butyl-4-phenyl-1,8-naphthalimide were designed and synthesized on the basis of the substrate preference of UGT1A1 and the principle of photoinduced electron transfer (PET). Following the preliminary screening, substrate 2 was found with a high specificity and high affinity toward UGT1A1, while such biotransformation brought remarkable changes in fluorescence emission. Both inhibition kinetic analyses and molecular docking simulations demonstrated that 2 could bind on UGT1A1 at the same ligand-binding site as bilirubin. Furthermore, this newly developed probe was successfully used for sensing UGT1A1 activities and the high-throughput screening of UGT1A1 modulators in complex biological samples. In conclusion, a practical and high-affinity fluorescent probe for UGT1A1 was designed and well-characterized, which could serve as a good surrogate for bilirubin to investigate UGT1A1-ligand interactions.
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Affiliation(s)
- Xia Lv
- Institute of Interdisciplinary Medicine, Shanghai University of Traditional Chinese Medicine , Shanghai 201203, China.,College of Life Science, Dalian Minzu University , Dalian 116600, China.,Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023, China
| | - Lei Feng
- Dalian Medical University , Dalian 116044, China.,State Key Laboratory of Fine Chemicals, Dalian University of Technology , Dalian 116024, China
| | - Chun-Zhi Ai
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023, China
| | - Jie Hou
- Dalian Medical University , Dalian 116044, China.,State Key Laboratory of Fine Chemicals, Dalian University of Technology , Dalian 116024, China
| | - Ping Wang
- Institute of Interdisciplinary Medicine, Shanghai University of Traditional Chinese Medicine , Shanghai 201203, China.,Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023, China
| | - Li-Wei Zou
- Institute of Interdisciplinary Medicine, Shanghai University of Traditional Chinese Medicine , Shanghai 201203, China.,Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023, China
| | - Jie Cheng
- Center for Drug Evaluation and Research, Food and Drug Administration , Silver Spring, Maryland 20903, United States
| | - Guang-Bo Ge
- Institute of Interdisciplinary Medicine, Shanghai University of Traditional Chinese Medicine , Shanghai 201203, China.,Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023, China
| | - Jing-Nan Cui
- State Key Laboratory of Fine Chemicals, Dalian University of Technology , Dalian 116024, China
| | - Ling Yang
- Institute of Interdisciplinary Medicine, Shanghai University of Traditional Chinese Medicine , Shanghai 201203, China
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Xie H, Wu J, Liu D, Liu M, Zhang H, Huang S, Xiong Y, Xia C. In vitro inhibition of UGT1A3, UGT1A4 by ursolic acid and oleanolic acid and drug-drug interaction risk prediction. Xenobiotica 2017; 47:785-792. [PMID: 27600106 DOI: 10.1080/00498254.2016.1234087] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 09/05/2016] [Accepted: 09/05/2016] [Indexed: 12/13/2022]
Abstract
1. Ursolic acid (UA) and oleanolic acid (OA) may have important activity relevant to health and disease prevention. Thus, we studied the activity of UA and OA on UDP-glucuronosyltransferases (UGTs) and used trifluoperazine as a probe substrate to test UGT1A4 activity. Recombinant UGT-catalyzed 4-methylumbelliferone (4-MU) glucuronidation was used as a probe reaction for other UGT isoforms. 2. UA and OA inhibited UGT1A3 and UGT1A4 activity but did not inhibit other tested UGT isoforms. 3. UA-mediated inhibition of UGT1A3 catalyzed 4-MU-β-d-glucuronidation was via competitive inhibition (IC50 0.391 ± 0.013 μM; Ki 0.185 ± 0.015 μM). UA also competitively inhibited UGT1A4-mediated trifluoperazine-N-glucuronidation (IC50 2.651 ± 0.201 μM; Ki 1.334 ± 0.146 μM). 4. OA offered mixed inhibition of UGT1A3-mediated 4-MU-β-d-glucuronidation (IC50 0.336 ± 0.013 μM; Ki 0.176 ± 0.007 μM) and competitively inhibited UGT1A4-mediated trifluoperazine-N-glucuronidation (IC50 5.468 ± 0.697 μM; Ki 6.298 ± 0.891 μM). 5. Co-administering OA or UA with drugs or products that are substrates of UGT1A3 or UGT1A4 may produce drug-mediated side effects.
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Affiliation(s)
- Hongbo Xie
- a Clinical Pharmacology Institute, Nanchang University , Nanchang , P.R. China
| | - Jie Wu
- a Clinical Pharmacology Institute, Nanchang University , Nanchang , P.R. China
| | - Dan Liu
- a Clinical Pharmacology Institute, Nanchang University , Nanchang , P.R. China
| | - Mingyi Liu
- a Clinical Pharmacology Institute, Nanchang University , Nanchang , P.R. China
| | - Hong Zhang
- a Clinical Pharmacology Institute, Nanchang University , Nanchang , P.R. China
| | - Shibo Huang
- a Clinical Pharmacology Institute, Nanchang University , Nanchang , P.R. China
| | - Yuqing Xiong
- a Clinical Pharmacology Institute, Nanchang University , Nanchang , P.R. China
| | - Chunhua Xia
- a Clinical Pharmacology Institute, Nanchang University , Nanchang , P.R. China
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27
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Yang N, Sun R, Liao X, Aa J, Wang G. UDP-glucuronosyltransferases (UGTs) and their related metabolic cross-talk with internal homeostasis: A systematic review of UGT isoforms for precision medicine. Pharmacol Res 2017; 121:169-183. [PMID: 28479371 DOI: 10.1016/j.phrs.2017.05.001] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Revised: 05/03/2017] [Accepted: 05/03/2017] [Indexed: 12/11/2022]
Abstract
UDP-glucuronosyltransferases (UGTs) are the primary phase II enzymes catalyzing the conjugation of glucuronic acid to the xenobiotics with polar groups for facilitating their clearance. The UGTs belong to a superfamily that consists of diverse isoforms possessing distinct but overlapping metabolic activity. The abnormality or deficiency of UGTs in vivo is highly associated with some diseases, efficacy and toxicity of drugs, and precisely therapeutic personality. Despite the great effects and fruitful results achieved, to date, the expression and functions of individual UGTs have not been well clarified, the inconsistency of UGTs is often observed in human and experimental animals, and the complex regulation factors affecting UGTs have not been systematically summarized. This article gives an overview of updated reports on UGTs involving the various regulatory factors in terms of the genetic, environmental, pathological, and physiological effects on the functioning of individual UGTs, in turn, the dysfunction of UGTs induced disease risk and endo- or xenobiotic metabolism-related toxicity. The complex cross-talk effect of UGTs with internal homeostasis is systematically summarized and discussed in detail, which would be of great importance for personalized precision medicine.
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Affiliation(s)
- Na Yang
- Key Lab of Drug Metabolism and Pharmacokinetics, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
| | - Runbin Sun
- Key Lab of Drug Metabolism and Pharmacokinetics, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
| | - Xiaoying Liao
- Key Lab of Drug Metabolism and Pharmacokinetics, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
| | - Jiye Aa
- Key Lab of Drug Metabolism and Pharmacokinetics, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China.
| | - Guangji Wang
- Key Lab of Drug Metabolism and Pharmacokinetics, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
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28
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Yao Z, Li S, Qin Z, Hong X, Dai Y, Wu B, Ye W, Gonzalez FJ, Yao X. Characterization of human UDP-glucuronosyltransferases responsible for glucuronidation and inhibition of norbakuchinic acid, a primary metabolite of hepatotoxicity and nephrotoxicity component bakuchiol inPsoralea corylifolia L. RSC Adv 2017. [DOI: 10.1039/c7ra10376j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Norbakuchinic acid (NBKA) is the most abundant metabolite of bakuchiol (a hepatotoxicity and nephrotoxicity component inPsoralea corylifoliaL.) in plasma and urine.
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Affiliation(s)
- Zhihong Yao
- College of Pharmacy
- Jinan University
- Guangzhou 510632
- P. R. China
- Guangdong Provincial Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research
| | - Shishi Li
- College of Pharmacy
- Jinan University
- Guangzhou 510632
- P. R. China
| | - Zifei Qin
- College of Pharmacy
- Jinan University
- Guangzhou 510632
- P. R. China
- Guangdong Provincial Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research
| | - Xiaodan Hong
- College of Pharmacy
- Jinan University
- Guangzhou 510632
- P. R. China
- Guangzhou Research and Creativity Biotechnology Co. Ltd
| | - Yi Dai
- College of Pharmacy
- Jinan University
- Guangzhou 510632
- P. R. China
- Guangdong Provincial Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research
| | - Baojian Wu
- College of Pharmacy
- Jinan University
- Guangzhou 510632
- P. R. China
- Guangdong Provincial Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research
| | - Wencai Ye
- College of Pharmacy
- Jinan University
- Guangzhou 510632
- P. R. China
- Guangdong Provincial Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research
| | - Frank J. Gonzalez
- Laboratory of Metabolism
- Center for Cancer Research
- National Cancer Institute
- National Institutes of Health
- Bethesda
| | - Xinsheng Yao
- College of Pharmacy
- Jinan University
- Guangzhou 510632
- P. R. China
- Guangdong Provincial Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research
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29
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Wang C, Huo X, Tian X, Xu M, Dong P, Luan Z, Wang X, Zhang B, Zhang B, Huang S, Deng S, Ma X. Inhibition of melatonin metabolism in humans induced by chemical components from herbs and effective prediction of this risk using a computational model. Br J Pharmacol 2016; 173:3261-3275. [PMID: 27588415 DOI: 10.1111/bph.13612] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 07/08/2016] [Accepted: 08/24/2016] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND AND PURPOSE Herbs which are widely used as food and medicine, are involved in many physiopathological processes. Melatonin is a human hormone, synthesized and secreted by the pineal gland, with a range of biological functions. Here, we have evaluated the potential influences of components extracted from common herbs on melatonin metabolism in humans. EXPERIMENTAL APPROACH An in vivo pharmacokinetic study involving 12 healthy subjects, in vitro incubations with human liver microsomes (HLMs) and recombinant human cytochrome P (CYP) isoenzymes and an in silico quantitative structure-activity relationship (QSAR) model analysis using comparative molecular field analysis and comparative molecular similarity indices analysis methods were employed to explore these interactions. KEY RESULTS After systematic screening of 66 common herbs, Angelica dahurica exhibited the most potent inhibition of melatonin metabolism in vitro. The in vivo pharmacokinetic study indicated inhibition of melatonin metabolism, with approximately 12- and 4-fold increases in the AUC and Cmax of melatonin in human subjects. Coumarins from A. dahurica, including imperatorin, isoimperatorin, phellopterin, 5-methoxypsoralen and 8-methoxypsoralen, markedly inhibited melatonin metabolism with Ki values of 14.5 nM, 38.8 nM, 6.34 nM, 5.34 nM and 18 nM respectively, through inhibition of CYP 1A2, 1A1 and 1B1 in HLMs. A QSAR model was established and satisfactorily predicted the potential risk of coumarins for inhibition of melatonin metabolism in vivo. CONCLUSION AND IMPLICATIONS Coumarins from A. dahurica inhibited melatonin metabolism in vivo and in vitro. Our findings provide vital guidance for the clinical use of melatonin.
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Affiliation(s)
- Chao Wang
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China.,Department of Neurosurgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xiaokui Huo
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China
| | - Xiangge Tian
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China
| | - Min Xu
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China
| | - Peipei Dong
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China
| | - Zhilin Luan
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China
| | - Xiaobo Wang
- Department of Pharmacy and Traditional Chinese Medicine, Chinese People's Liberation Army 210 Hospital, Dalian, China
| | - Baojing Zhang
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China
| | - Bo Zhang
- Department of Neurosurgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China.
| | - Shanshan Huang
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China
| | - Sa Deng
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China
| | - Xiaochi Ma
- Academy of Integrative Medicine, College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Dalian Medical University, Dalian, China. .,Department of Neurosurgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China.
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30
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In vitro stereoselective inhibition of ginsenosides toward UDP-glucuronosyltransferase (UGT) isoforms. Toxicol Lett 2016; 259:1-10. [DOI: 10.1016/j.toxlet.2016.07.108] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 07/21/2016] [Accepted: 07/22/2016] [Indexed: 12/15/2022]
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31
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Xu M, Dong P, Tian X, Wang C, Huo X, Zhang B, Wu L, Deng S, Ma X. Drug interaction study of natural steroids from herbs specifically toward human UDP-glucuronosyltransferase (UGT) 1A4 and their quantitative structure activity relationship (QSAR) analysis for prediction. Pharmacol Res 2016; 110:139-150. [DOI: 10.1016/j.phrs.2016.05.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 04/26/2016] [Accepted: 05/06/2016] [Indexed: 12/11/2022]
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32
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Zhu L, Xiao L, Li W, Zhang Y, Han W, Zhu Y, Ge G, Yang L. Human UDP-Glucuronosyltransferases 1A1, 1A3, 1A9, 2B4 and 2B7 are Inhibited by Diethylstilbestrol. Basic Clin Pharmacol Toxicol 2016; 119:505-511. [PMID: 27176228 DOI: 10.1111/bcpt.12618] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 04/29/2016] [Indexed: 01/05/2023]
Abstract
Inhibition of UDP-glucuronosyltransferases (UGTs) can result in many undesired side effects. Diethylstilbestrol (DES), a synthetic oestrogen famous for its multiple toxicities, was once widely administered to women in high dosages and now still gains application in clinics. This study investigated in vitro inhibitory effects of DES on catalytic activities of human UGTs, aiming at disclosing new potential toxic mechanisms on the basis of interactions between DES and metabolizing enzymes. DES (10 μM) could decrease activities of UGT1A1, 1A3, 1A9, 2B4 and 2B7 in catalysing 4-methylumbelliferone (4-Mu) glucuronidation. Further kinetic analyses showed that inhibition of these UGTs followed competitive (UGT1A1 and 1A9), mixed (UGT1A3 and 2B4) and non-competitive (UGT2B7) mechanisms, with Ki values ranging from 0.91 to 4.1 μM. The inhibition potentials of UGT1A9 and 2B7 in human liver microsomes (HLM) were further tested by employing propofol and zidovudine as probe substrates, respectively. The inhibition of human liver microsomal UGT1A9 followed mixed mechanism, with the Ki value of 3.5 μM and α of 4.1. On the other hand, DES displayed non-competitive inhibition against UGT2B7 in HLM, with the Ki value of 9.8 μM. The risks of in vivo inhibition of human UGTs were also predicted by calculation of plasma C/Ki values. Results suggest that DES can trigger in vivo inhibition of UGT1A1, 1A3, 1A9, 2B4 and 2B7 after the intravenous administration in high doses.
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Affiliation(s)
- Liangliang Zhu
- Department of Food Science and Technology, School of Life Science, Anqing Normal University, Anqing, China.,Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China.,Anhui Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration, Anqing Normal University, Anqing, China
| | - Ling Xiao
- Department of Food Science and Technology, School of Life Science, Anqing Normal University, Anqing, China.,Anhui Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration, Anqing Normal University, Anqing, China
| | - Wenjuan Li
- Department of Food Science and Technology, School of Life Science, Anqing Normal University, Anqing, China
| | - Yuan Zhang
- Department of Food Science and Technology, School of Life Science, Anqing Normal University, Anqing, China
| | - Wenwen Han
- Department of Food Science and Technology, School of Life Science, Anqing Normal University, Anqing, China
| | - Yu Zhu
- Department of Food Science and Technology, School of Life Science, Anqing Normal University, Anqing, China
| | - Guangbo Ge
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China.
| | - Ling Yang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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33
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Lv X, Wang XX, Hou J, Fang ZZ, Wu JJ, Cao YF, Liu SW, Ge GB, Yang L. Comparison of the inhibitory effects of tolcapone and entacapone against human UDP-glucuronosyltransferases. Toxicol Appl Pharmacol 2016; 301:42-9. [PMID: 27089846 DOI: 10.1016/j.taap.2016.04.009] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 04/12/2016] [Accepted: 04/14/2016] [Indexed: 01/15/2023]
Abstract
Tolcapone and entacapone are two potent catechol-O-methyltransferase (COMT) inhibitors with a similar skeleton and displaying similar pharmacological activities. However, entacapone is a very safe drug used widely in the treatment of Parkinson's disease, while tolcapone is only in limited use for Parkinson's patients and needs careful monitoring of hepatic functions due to hepatotoxicity. This study aims to investigate and compare the inhibitory effects of entacapone and tolcapone on human UDP-glucosyltransferases (UGTs), as well as to evaluate the potential risks from the view of drug-drug interactions (DDI). The results demonstrated that both tolcapone and entacapone exhibited inhibitory effects on UGT1A1, UGT1A7, UGT1A9 and UGT1A10. In contrast to entacapone, tolcapone exhibited more potent inhibitory effects on UGT1A1, UGT1A7, and UGT1A10, while their inhibitory potentials against UGT1A9 were comparable. It is noteworthy that the inhibition constants (Ki) of tolcapone and entacapone against bilirubin-O-glucuronidation in human liver microsomes (HLM) are determined as 0.68μM and 30.82μM, respectively, which means that the inhibition potency of tolcapone on UGT1A1 mediated bilirubin-O-glucuronidation in HLM is much higher than that of entacapone. Furthermore, the potential risks of tolcapone or entacapone via inhibition of human UGT1A1 were quantitatively predicted by the ratio of the areas under the plasma drug concentration-time curve (AUC). The results indicate that tolcapone may result in significant increase in AUC of bilirubin or the drugs primarily metabolized by UGT1A1, while entacapone is unlikely to cause a significant DDI through inhibition of UGT1A1.
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Affiliation(s)
- Xia Lv
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Southern Medical University, Guangzhou 510515, China
| | | | - Jie Hou
- Dalian Medical University, Dalian 116044, China
| | | | - Jing-Jing Wu
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Southern Medical University, Guangzhou 510515, China
| | | | - Shu-Wen Liu
- State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Southern Medical University, Guangzhou 510515, China
| | - Guang-Bo Ge
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Southern Medical University, Guangzhou 510515, China.
| | - Ling Yang
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; Jiangxi University of Traditional Chinese Medicine, Nanchang 330006, China.
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34
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Xin H, Qi XY, Wu JJ, Wang XX, Li Y, Hong JY, He W, Xu W, Ge GB, Yang L. Assessment of the inhibition potential of Licochalcone A against human UDP-glucuronosyltransferases. Food Chem Toxicol 2016; 90:112-22. [DOI: 10.1016/j.fct.2016.02.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 01/24/2016] [Accepted: 02/05/2016] [Indexed: 01/19/2023]
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35
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Liu D, Wu J, Xie H, Liu M, Takau I, Zhang H, Xiong Y, Xia C. Inhibitory Effect of Hesperetin and Naringenin on Human UDP-Glucuronosyltransferase Enzymes: Implications for Herb–Drug Interactions. Biol Pharm Bull 2016; 39:2052-2059. [DOI: 10.1248/bpb.b16-00581] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Dan Liu
- Clinical Pharmacology Institute, Nanchang University
| | - Jie Wu
- Clinical Pharmacology Institute, Nanchang University
| | - Hongbo Xie
- Clinical Pharmacology Institute, Nanchang University
| | - Mingyi Liu
- Clinical Pharmacology Institute, Nanchang University
| | - Isaiah Takau
- Clinical Pharmacology Institute, Nanchang University
| | - Hong Zhang
- Clinical Pharmacology Institute, Nanchang University
| | - Yuqing Xiong
- Clinical Pharmacology Institute, Nanchang University
| | - Chunhua Xia
- Clinical Pharmacology Institute, Nanchang University
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36
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Xin H, Xia YL, Hou J, Wang P, He W, Yang L, Ge GB, Xu W. Identification and characterization of human UDP-glucuronosyltransferases responsible for the in-vitro glucuronidation of arctigenin. J Pharm Pharmacol 2015; 67:1673-81. [PMID: 26407805 DOI: 10.1111/jphp.12483] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 07/28/2015] [Indexed: 01/19/2023]
Abstract
Abstract
Objectives
This study aimed to characterize the glucuronidation pathway of arctigenin (AR) in human liver microsomes (HLM) and human intestine microsomes (HIM).
Methods
HLM and HIM incubation systems were employed to catalyse the formation of AR glucuronide. The glucuronidation activity of commercially recombinant UGT isoforms towards AR was screened. A combination of chemical inhibition assay and kinetic analysis was used to determine the UGT isoforms involved in the glucuronidation of AR in HLM and HIM.
Key findings
AR could be extensively metabolized to one mono-glucuronide in HLM and HIM. The mono-glucuronide was biosynthesized and characterized as 4′-O-glucuronide. UGT1A1, 1A3, 1A7, 1A8, 1A9, 1A10, 2B4, 2B7 and 2B17 participated in the formation of 4′-O-G, while UGT2B17 demonstrated the highest catalytic activity in this biotransformation. Both kinetic analysis and chemical inhibition assays demonstrated that UGT1A9, UGT2B7 and UGT2B17 played important roles in AR-4′-O-glucuronidation in HLM. Furthermore, HIM demonstrated moderate efficiency for AR-4′-O-glucuronidation, implying that AR may undergo a first-pass metabolism during the absorption process.
Conclusion
UGT1A9, UGT2B7 and UGT2B17 were the major isoforms responsible for the 4′-O-glucuronidation of AR in HLM, while UGT2B7 and UGT2B17 were the major contributors to this biotransformation in HIM.
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Affiliation(s)
- Hong Xin
- Department of Integrated Traditional and Western Medicine, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yang-Liu Xia
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Jie Hou
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, China
| | - Ping Wang
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Wei He
- Department of Integrated Traditional and Western Medicine, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ling Yang
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Guang-Bo Ge
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Wei Xu
- Department of Integrated Traditional and Western Medicine, First Affiliated Hospital of Harbin Medical University, Harbin, China
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37
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Lv X, Hou J, Xia YL, Ning J, He GY, Wang P, Ge GB, Xiu ZL, Yang L. Glucuronidation of bavachinin by human tissues and expressed UGT enzymes: Identification of UGT1A1 and UGT1A8 as the major contributing enzymes. Drug Metab Pharmacokinet 2015; 30:358-65. [PMID: 26320626 DOI: 10.1016/j.dmpk.2015.07.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 06/12/2015] [Accepted: 07/01/2015] [Indexed: 01/29/2023]
Abstract
Bavachinin (BCI), a major bioactive compound in Chinese herbal Psoralea corylifolia, possesses a wide range of biological activities. In this study, the glucuronidation pathway of BCI was characterized for the first time, by using pooled human liver microsomes (HLM), pooled human intestine microsomes (HIM) and recombinant human UDP-glucosyltransferases (UGTs). One mono-glucuronide was detected in HLM in the presence of uridine-diphosphate glucuronic acid (UDPGA), and it was biosynthesized and well-characterized as BCI-4'-O-glucuronide (BCIG). Reaction phenotyping assay showed that UGT1A1, UGT1A3 and UGT1A8 were involved in BCI-4'-O-glucuronidation, while UGT1A1 and UGT1A8 displayed the higher catalytic ability among all tested UGT isoforms. Kinetic analysis demonstrated that BCI-4'-O-glucuronidation in both HLM and UGT1A1 followed sigmoidal kinetic behaviors and displayed much close Km values (12.4 μM in HLM & 9.7 μM in UGT1A1). Both chemical inhibition assays and correlation analysis demonstrated that UGT1A1 displayed a predominant role in BCI-4'-O-glucuronidation in HLM. Both HIM and UGT1A8 exhibited substrate inhibition at high concentrations, and Km values of HIM and UGT1A8 were 3.6 and 2.3 μM, respectively. Similar catalytic efficiencies were observed for HIM (199.3 μL/min/mg) and UGT1A8 (216.2 μL/min/mg). These findings suggested that UGT1A1 and UGT1A8 were the primary isoforms involved in BCI-4'-O-glucuronidation in HLM, and HIM, respectively.
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Affiliation(s)
- Xia Lv
- Department of Bioscience and Biotechnology, Dalian University of Technology, Dalian, China; Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Jie Hou
- Dalian Medical University, Dalian, China
| | - Yang-Liu Xia
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Jing Ning
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China; Dalian Medical University, Dalian, China
| | - Gui-Yuan He
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Ping Wang
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Guang-Bo Ge
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China.
| | - Zhi-Long Xiu
- Department of Bioscience and Biotechnology, Dalian University of Technology, Dalian, China
| | - Ling Yang
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China.
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38
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Kim SB, Kang HE, Cho HJ, Kim YS, Chung SJ, Yoon IS, Kim DD. Metabolic interactions of magnolol with cytochrome P450 enzymes: uncompetitive inhibition of CYP1A and competitive inhibition of CYP2C. Drug Dev Ind Pharm 2015; 42:263-9. [PMID: 26133083 DOI: 10.3109/03639045.2015.1047846] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Magnolol (MAG; 5,5'-diallyl-2,2'-biphenyldiol) is a major bioactive component of Magnolia officinalis. We investigated the metabolic interactions of MAG with hepatic cytochrome P450 monooxygenase (CYP) through in vitro microsomal metabolism study using human (HLM) and rat liver microsomes (RLM). CYP2C and 3A subfamilies were significantly involved in the metabolism of MAG, while CYP1A subfamily was not in HLM and RLM. The relative contribution of phase I enzymes including CYP to the metabolism of MAG was comparable to that of uridine diphosphate glucuronosyltransferase (UGT) in RLM. Moreover, MAG potently inhibited the metabolic activity of CYP1A (IC50 of 1.62 μM) and 2C (IC50 of 5.56 μM), while weakly CYP3A (IC50 of 35.0 μM) in HLM and RLM. By the construction of Dixon plot, the inhibition type of MAG on CYP activity in RLM was determined as follows: uncompetitive inhibitor for CYP1A (Ki of 1.09-12.0 μM); competitive inhibitor for CYP2C (Ki of 10.0-15.2 μM) and 3A (Ki of 93.7-183 μM). Based on the comparison of the current IC50 and Ki values with a previously reported liver concentration (about 13 μM) of MAG after its seven times oral administration at a dose of 50 mg/kg in rats, it is suggested that MAG could show significant inhibition of CYP1A and 2C, but not CYP3A, in the in vivo rat system. These results could lead to further studies in clinically significant metabolism-mediated MAG-drug interactions.
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Affiliation(s)
- Sang-Bum Kim
- a College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University , Seoul , Republic of Korea
| | - Hee Eun Kang
- b College of Pharmacy, The Catholic University of Korea , Bucheon , Republic of Korea
| | - Hyun-Jong Cho
- c College of Pharmacy, Kangwon National University , Chuncheon , Republic of Korea
| | - Yeong Shik Kim
- d Natural Products Research Institute and College of Pharmacy, Seoul National University , Seoul , Republic of Korea , and
| | - Suk-Jae Chung
- a College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University , Seoul , Republic of Korea
| | - In-Soo Yoon
- e College of Pharmacy and Natural Medicine Research Institute, Mokpo National University , Jeonnam , Republic of Korea
| | - Dae-Duk Kim
- a College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University , Seoul , Republic of Korea
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Sun H, Ma Z, Lu D, Wu B. Regio- and Isoform-Specific Glucuronidation of Psoralidin: Evaluation of 3- O -Glucuronidation as a Functional Marker for UGT1A9. J Pharm Sci 2015; 104:2369-77. [DOI: 10.1002/jps.24464] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2015] [Revised: 03/17/2015] [Accepted: 04/08/2015] [Indexed: 01/05/2023]
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40
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Lv X, Ge GB, Feng L, Troberg J, Hu LH, Hou J, Cheng HL, Wang P, Liu ZM, Finel M, Cui JN, Yang L. An optimized ratiometric fluorescent probe for sensing human UDP-glucuronosyltransferase 1A1 and its biological applications. Biosens Bioelectron 2015; 72:261-7. [PMID: 25988789 DOI: 10.1016/j.bios.2015.05.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Revised: 04/15/2015] [Accepted: 05/04/2015] [Indexed: 01/10/2023]
Abstract
This study aimed to develop a practical ratiometric fluorescent probe for highly selective and sensitive detection of human UDP-glucuronosyltransferase 1A1 (UGT1A1), one of the most important phase II enzymes. 4-Hydroxy-1,8-naphthalimide (HN) was selected as the fluorophore for this study because it possesses intramolecular charge transfer (ICT) feature and displays outstanding optical properties. A series of N-substituted derivatives with various hydrophobic, acidic and basic groups were designed and synthesized to evaluate the selectivity of HN derivatives toward UGT1A1. Our results demonstrated that the introduction of an acidic group to HN could significantly improve the selectivity of UGT1A1. Among the synthesized fluorescent probes, NCHN (N-3-carboxy propyl-4-hydroxy-1,8-naphthalimide) displayed the best combination of selectivity, sensitivity and ratiometric fluorescence response following UGT1A1-catalyzed glucuronidation. UGT1A1-catalyzed NCHN-4-O-glucuronidation generated a single fluorescent product with a high quantum yield (Φ=0.688) and brought remarkable changes in both color and fluorescence in comparison with the parental substrate. The newly developed probe has been successfully applied for sensitive measurements of UGT1A1 activities in human liver preparations, as well as for rapid screening of UGT1A1 modulators, using variable enzyme sources. Furthermore, its potential applications for live imaging of endogenous UGT1A1in cells have also been demonstrated.
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Affiliation(s)
- Xia Lv
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Guang-Bo Ge
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, China
| | - Lei Feng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, China
| | - Johanna Troberg
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Liang-Hai Hu
- College of Life Science, Jilin University, Changchun, China
| | - Jie Hou
- Dalian Medical University, Dalian 116044, China
| | | | - Ping Wang
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Zhao-Ming Liu
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Moshe Finel
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Jing-Nan Cui
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, China.
| | - Ling Yang
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
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Guo B, Fang Z, Yang L, Xiao L, Xia Y, Gonzalez FJ, Zhu L, Cao Y, Ge G, Yang L, Sun H. Tissue and species differences in the glucuronidation of glabridin with UDP-glucuronosyltransferases. Chem Biol Interact 2015; 231:90-7. [PMID: 25765239 DOI: 10.1016/j.cbi.2015.03.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2014] [Revised: 02/10/2015] [Accepted: 03/02/2015] [Indexed: 02/04/2023]
Abstract
Glabridin (GA) has gained wide application in the cosmetics and food industry. This study was performed to investigate its metabolic inactivation and elimination by glucuronidation by use of liver and intestine microsomes from humans (HLM and HIM) and rats (RLM and RIM), and liver microsomes from cynomolgus monkeys and beagle dogs (CyLM and DLM). Both hydroxyl groups at the C2 and C4 positions of the B ring are conjugated to generate two mono-glucuronides (M1 and M2). HIM, RIM and RLM showed the most robust activity in catalyzing M2 formation with intrinsic clearance values (Clint) above 2000 μL/min/mg, with little measurable M1 formation activity. DLM displayed considerable activity both in M1 and M2 formation, with Clint values of 71 and 214 μL/min/mg, respectively, while HLM and CyLM exhibited low activities in catalyzing M1 and M2 formation, with Clint values all below 20 μL/min/mg. It is revealed that UGT1A1, 1A3, 1A9, 2B7, 2B15 and extrahepatic UGT1A8 and 1A10 are involved in GA glucuronidation. Nearly all UGTs preferred M2 formation except for UGT1A1. Notably, UGT1A8 displayed the highest activity with a Clint value more than 5-fold higher than the other isoforms. Chemical inhibition studies, using selective inhibitors of UGT1A1, 1A9, 2B7 and 1A8, further revealed that UGT1A8 contributed significantly to intestinal GA glucuronidation in humans. In summary, this in vitro study demonstrated large species differences in GA glucuronidation by liver and intestinal microsomes, and that intestinal UGTs are important for the pathway in humans.
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Affiliation(s)
- Bin Guo
- The First Affiliated Hospital of Liaoning Medical University, Jinzhou, China; Joint Center for Translational Medicine, Dalian Institute of Chemical Physics, Chinese Academy of Sciences and The First Affiliated Hospital of Liaoning Medical University, Dalian, China.
| | - Zhongze Fang
- Department of Toxicology, School of Public Health, Tianjin Medical University, Tianjin, China; Joint Center for Translational Medicine, Dalian Institute of Chemical Physics, Chinese Academy of Sciences and The First Affiliated Hospital of Liaoning Medical University, Dalian, China
| | - Lu Yang
- Joint Center for Translational Medicine, Dalian Institute of Chemical Physics, Chinese Academy of Sciences and The First Affiliated Hospital of Liaoning Medical University, Dalian, China
| | - Ling Xiao
- The Centre for Drug and Food Safety Evaluation, School of Life Science, Anqing Normal University, Anqing, China
| | - Yangliu Xia
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Frank J Gonzalez
- Laboratory of Metabolism, Center for Cancer Research, NCI, National Institutes of Health, USA
| | - Liangliang Zhu
- The Centre for Drug and Food Safety Evaluation, School of Life Science, Anqing Normal University, Anqing, China.
| | - Yunfeng Cao
- Joint Center for Translational Medicine, Dalian Institute of Chemical Physics, Chinese Academy of Sciences and The First Affiliated Hospital of Liaoning Medical University, Dalian, China; Key Laboratory of Contraceptives and Devices Research (NPFPC), Shanghai Engineer and Technology Research Center of Reproductive Health Drug and Devices, Shanghai Institute of Planned Parenthood Research, Shanghai, China
| | - Guangbo Ge
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Ling Yang
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Hongzhi Sun
- The First Affiliated Hospital of Liaoning Medical University, Jinzhou, China
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Fang ZZ, Wang H, Cao YF, Sun DX, Wang LX, Hong M, Huang T, Chen JX, Zeng J. Enantioselective inhibition of carprofen towards UDP-glucuronosyltransferase (UGT) 2B7. Chirality 2014; 27:189-93. [PMID: 25502512 DOI: 10.1002/chir.22412] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 10/17/2014] [Accepted: 10/21/2014] [Indexed: 11/06/2022]
Abstract
UDP-glucuronosyltransferases (UGTs)-catalyzed glucuronidation conjugation reaction plays an important role in the elimination of many important clinical drugs and endogenous substances. The present study aims to investigate the enantioselective inhibition of carprofen towards UGT isoforms. In vitro a recombinant UGT isoforms-catalyzed 4-methylumbelliferone (4-MU) glucuronidation incubation mixture was used to screen the inhibition potential of (R)-carprofen and (S)-carprofen towards multiple UGT isoforms. The results showed that (S)-carprofen exhibited stronger inhibition potential than (R)-carprofen towards UGT2B7. However, no significant difference was observed for the inhibition of (R)-carprofen and (S)-carprofen towards other UGT isoforms. Furthermore, the inhibition kinetic behavior was compared for the inhibition of (S)-carprofen and (R)-carprofen towards UGT2B7. A Lineweaver-Burk plot showed that both (S)-carprofen and (R)-carprofen exhibited competitive inhibition towards UGT2B7-catalyzed 4-MU glucuronidation. The inhibition kinetic parameter (Ki ) was calculated to be 7.0 μM and 31.1 μM for (S)-carprofen and (R)-carprofen, respectively. Based on the standard for drug-drug interaction, the threshold for (S)-carprofen and (R)-carprofen to induce a drug-drug interaction is 0.7 μM and 3.1 μM, respectively. In conclusion, enantioselective inhibition of carprofen towards UDP-glucuronosyltransferase (UGT) 2B7 was demonstrated in the present study. Using the in vitro inhibition kinetic parameter, the concentration threshold of (S)-carprofen and (R)-carprofen to possibly induce the drug-drug interaction was obtained. Therefore, clinical monitoring of the plasma concentration of (S)-carprofen is more important than (R)-carprofen to avoid a possible drug-drug interaction between carprofen and the drugs mainly undergoing UGT2B7-catalyzed metabolism.
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Affiliation(s)
- Zhong-Ze Fang
- Department of Toxicology, School of Public Health, Tianjin Medical University, Tianjin, P.R. China
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Joo J, Lee B, Lee T, Liu KH. Screening of six UGT enzyme activities in human liver microsomes using liquid chromatography/triple quadrupole mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2014; 28:2405-2414. [PMID: 25303469 DOI: 10.1002/rcm.7030] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2014] [Revised: 08/24/2014] [Accepted: 08/25/2014] [Indexed: 06/04/2023]
Abstract
RATIONALE Uridine 5'-diphosphoglucuronosyltransferase (UGT) enzymes are essential for the clearance of many drugs; however, altered UGT activity is a potential cause of adverse drug-drug interactions (DDI). The early detection of potential DDI is an important aspect of drug discovery that has led to the development of new screening methods for drug interactions. We developed a screening method for the simultaneous evaluation of six human liver UGT enzyme activites using in vitro cocktail incubation and tandem mass spectrometry. METHODS The two in vitro cocktail doses were developed to minimize drug interactions among substrates. The method is based on liquid chromatography/tandem mass spectrometry (LC/MS/MS). Electrospray ionization (ESI) in both positive and negative modes was used to quantify the metabolites and the diagnostic loss of the glucuronosyl moiety to form the aglycone product was estimated using the selected reaction monitoring (SRM) mode. RESULTS The method was validated by comparing inhibition data obtained from the incubation of each individual probe substrate alone with data from the cocktail method. The intra- and inter-day accuracy and precision data for the six UGT metabolites ranged from 92.2 to 100.3% and less than 15.2%, respectively. The IC(50) values showed no significant differences between individual and cocktail incubations. CONCLUSIONS As a screening technique for inhibitory interactions of these six human liver UGT enzymes, this method will be useful for advancing mechanistic understanding of drug interactions.
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Affiliation(s)
- Jeongmin Joo
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, 702-701, Korea
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Sun D, Zhu L, Xiao L, Xia Y, Ge G, Cao Y, Wu Y, Yin J, Yang L. In vitroglucuronidation of Armillarisin A: UDP-glucuronosyltransferase 1A9 acts as a major contributor and significant species differences. Xenobiotica 2014; 44:988-95. [DOI: 10.3109/00498254.2014.927084] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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45
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Tan B, Cai W, Zhang J, Zhou N, Ma G, Yang P, Zhu Q, Zhu Y. Identification of UDP-glucuronosyltransferase isoforms responsible for leonurine glucuronidation in human liver and intestinal microsomes. Xenobiotica 2014; 44:775-84. [DOI: 10.3109/00498254.2014.898808] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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46
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Yamamoto K, Mukai M, Nagaoka K, Hayashi K, Hichiya H, Okada K, Murata M, Shigeyama M, Narimatsu S, Hanioka N. Functional characterization of cynomolgus monkey UDP-glucuronosyltransferase 1A9. Eur J Drug Metab Pharmacokinet 2014; 39:195-202. [DOI: 10.1007/s13318-014-0177-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Accepted: 01/09/2014] [Indexed: 10/25/2022]
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Xia YL, Liang SC, Zhu LL, Ge GB, He GY, Ning J, Lv X, Ma XC, Yang L, Yang SL. Identification and Characterization of Human UDP-glucuronosyltransferases Responsible for the Glucuronidation of Fraxetin. Drug Metab Pharmacokinet 2014; 29:135-40. [DOI: 10.2133/dmpk.dmpk-13-rg-059] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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49
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Jiang HM, Fang ZZ, Cao YF, Hu CM, Sun XY, Hong M, Yang L, Ge GB, Liu Y, Zhang YY, Dong Q, Liu RJ. New insights for the risk of bisphenol A: inhibition of UDP-glucuronosyltransferases (UGTs). CHEMOSPHERE 2013; 93:1189-1193. [PMID: 23948605 DOI: 10.1016/j.chemosphere.2013.06.070] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Revised: 05/12/2013] [Accepted: 06/19/2013] [Indexed: 06/02/2023]
Abstract
Bisphenol A (BPA), the important endocrine-disrupting chemical (EDC), has been reported to be able to induce various toxicity. The present study aims to understand the toxicity behavior of bisphenol A through evaluating the inhibition profile of bisphenol A towards UDP-glucuronosyltransferase (UGT) isoforms. In vitro recombinant UGTs-catalyzed 4-methylumbelliferone (4-MU) glucuronidation reaction was employed as probe reaction for all the tested UGT isoforms. The results showed that bisphenol A exerted stronger inhibition towards UGT2B isoforms than UGT1A isoforms. Furthermore, the inhibition kinetic type and parameters (K(i)) were determined for the inhibition of bisphenol A towards UGT2B4, 2B7, 2B15, and 2B17. Bisphenol A exhibited the competitive inhibition towards UGT2B4, and noncompetitive inhibition towards UGT2B7, 2B15 and 2B17. The inhibition kinetic parameters (K(i)) were calculated to be 1.1, 32.6, 5.6, and 19.9 μM for UGT2B4, 2B7, 2B15 and 2B17, respectively. In combination with the in vivo concentration of bisphenol A, the elevation of exposure dose was predicted to increase by 29.1%, 1%, 5.7%, and 1.6% for UGT2B4, 2B7, 2B15, and 2B17, indicating the high influence of bisphenol A towards the in vivo UGT2B isofroms-mediated metabolism of xenobiotics and endogenous substances. All these data provide the supporting information for deeper understanding of toxicology of bisphenol A.
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Affiliation(s)
- Hua-Mao Jiang
- Liaoning Medical University, Jinzhou, Liaoning, China.
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Ai L, Zhu L, Yang L, Ge G, Cao Y, Liu Y, Fang Z, Zhang Y. Selectivity for inhibition of nilotinib on the catalytic activity of human UDP-glucuronosyltransferases. Xenobiotica 2013; 44:320-5. [DOI: 10.3109/00498254.2013.840750] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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