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Yumoto Y, Endo T, Harada H, Kobayashi K, Nakabayashi T, Abe Y. High-throughput assay to simultaneously evaluate activation of CYP3A and the direct and time-dependent inhibition of CYP3A, CYP2C9, and CYP2D6 using liquid chromatography-tandem mass spectrometry. Xenobiotica 2024; 54:45-56. [PMID: 38265764 DOI: 10.1080/00498254.2024.2308818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 01/18/2024] [Indexed: 01/25/2024]
Abstract
In the early stages of drug discovery, adequate evaluation of the potential drug-drug interactions (DDIs) of drug candidates is important. Several CYP3A activators are known to lead to underestimation of DDIs. These compounds affect midazolam 1'-hydroxylation but not midazolam 4-hydroxylation.We used both metabolic reactions of midazolam to evaluate the activation and inhibition of CYP3A activators simultaneously. For our CYP inhibition assay using cocktail probe substrates, simultaneous liquid chromatography-tandem mass spectrometry monitoring of 1'-hydroxymidazolam and 4-hydroxymidazolam for CYP3A was established in addition to monitoring of 4-hydroxydiclofenac and 1'-hydroxybufuralol for CYP2C9 and CYP2D6.The results of our cocktail inhibition assay were well correlated with those of a single inhibition assay, as were the estimated inhibition parameters for typical CYP3A inhibitors. In our assay, a proprietary compound that activated midazolam 1'-hydroxylation and tended to inhibit 4-hydroxylation was evaluated along with known CYP3A activators. All compounds were well characterised by comparison of the results of midazolam 1'- and 4-hydroxylation.In conclusion, our CYP cocktail inhibition assay can detect CYP3A activation and assess the direct and time-dependent inhibition potentials for CYP3A, CYP2C9, and CYP2D6. This method is expected to be very efficient in the early stages of drug discovery.
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Affiliation(s)
- Yu Yumoto
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Takuro Endo
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Hiroshi Harada
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Kaoru Kobayashi
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Takeshi Nakabayashi
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Yoshikazu Abe
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
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2
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Korzekwa K. Enzyme Kinetics of Oxidative Metabolism-Cytochromes P450. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2021; 2342:237-256. [PMID: 34272697 DOI: 10.1007/978-1-0716-1554-6_9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The cytochrome P450 enzymes (CYPs) are the most important enzymes in the oxidative metabolism of hydrophobic drugs and other foreign compounds (xenobiotics). The versatility of these enzymes results in some unusual kinetic properties, stemming from the simultaneous interaction of multiple substrates with the CYP active site. Often, the CYPs display kinetics that deviate from standard hyperbolic saturation or inhibition kinetics. Non-Michaelis-Menten or "atypical" saturation kinetics include sigmoidal, biphasic, and substrate inhibition kinetics (see Chapter 2 ). Interactions between substrates include competitive inhibition, noncompetitive inhibition, mixed inhibition, partial inhibition, activation, and activation followed by inhibition (see Chapters 4 and 6 ). Models and equations that can result in these kinetic profiles will be presented and discussed.
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Affiliation(s)
- Ken Korzekwa
- Department of Pharmaceutical Sciences, Temple University School of Pharmacy, Philadelphia, PA, USA.
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3
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Rasmussen MK. Porcine cytochrome P450 3A: current status on expression and regulation. Arch Toxicol 2020; 94:1899-1914. [PMID: 32172306 DOI: 10.1007/s00204-020-02710-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 03/09/2020] [Indexed: 12/15/2022]
Abstract
The cytochrome P450s (CYPs) constitute a family of enzymes maintaining vital functions in the body and are mostly recognized for their significant role in detoxification. Of the CYP subfamilies, CYP3A, is one of the most active in the clearance of drugs and other xenobiotics. During the last decades, much focus has been on exploring different models for human CYP3A regulation, expression and activity. In that respect, the growing knowledge of the porcine CYP3As is of great interest. Although many aspects of porcine CYP3A regulation and activity are still unknown, the current literature provides a basic understanding of the porcine CYP3As that can be used e.g., when translating results from studies done in the porcine model into human settings. In this review, the current knowledge about porcine CYP3A expression, regulation, activity and metabolic significance are highlighted. Future research needs are also identified.
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Wright WC, Chenge J, Wang J, Girvan HM, Yang L, Chai SC, Huber AD, Wu J, Oladimeji PO, Munro AW, Chen T. Clobetasol Propionate Is a Heme-Mediated Selective Inhibitor of Human Cytochrome P450 3A5. J Med Chem 2020; 63:1415-1433. [PMID: 31965799 PMCID: PMC7087482 DOI: 10.1021/acs.jmedchem.9b02067] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The human cytochrome P450 (CYP) enzymes CYP3A4 and CYP3A5 metabolize most drugs and have high similarities in their structure and substrate preference. Whereas CYP3A4 is predominantly expressed in the liver, CYP3A5 is upregulated in cancer, contributing to drug resistance. Selective inhibitors of CYP3A5 are, therefore, critical to validating it as a therapeutic target. Here we report clobetasol propionate (clobetasol) as a potent and selective CYP3A5 inhibitor identified by high-throughput screening using enzymatic and cell-based assays. Molecular dynamics simulations suggest a close proximity of clobetasol to the heme in CYP3A5 but not in CYP3A4. UV-visible spectroscopy and electron paramagnetic resonance analyses confirmed the formation of an inhibitory type I heme-clobetasol complex in CYP3A5 but not in CYP3A4, thus explaining the CYP3A5 selectivity of clobetasol. Our results provide a structural basis for selective CYP3A5 inhibition, along with mechanistic insights, and highlight clobetasol as an important chemical tool for target validation.
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Affiliation(s)
- William C. Wright
- Department of Chemical Biology and Therapeutics, St. Jude
Children’s Research Hospital, Memphis, Tennessee 38105-3678, USA
- Integrated Biomedical Sciences Program, University of
Tennessee Health Science Center, Memphis, Tennessee 38163, USA
| | - Jude Chenge
- Department of Chemical Biology and Therapeutics, St. Jude
Children’s Research Hospital, Memphis, Tennessee 38105-3678, USA
| | - Jingheng Wang
- Department of Chemical Biology and Therapeutics, St. Jude
Children’s Research Hospital, Memphis, Tennessee 38105-3678, USA
| | - Hazel M. Girvan
- Manchester Institute of Biotechnology, School of Natural
Sciences, Department of Chemistry, The University of Manchester, Manchester, M1 7DN,
UK
| | - Lei Yang
- Department of Chemical Biology and Therapeutics, St. Jude
Children’s Research Hospital, Memphis, Tennessee 38105-3678, USA
| | - Sergio C. Chai
- Department of Chemical Biology and Therapeutics, St. Jude
Children’s Research Hospital, Memphis, Tennessee 38105-3678, USA
| | - Andrew D. Huber
- Department of Chemical Biology and Therapeutics, St. Jude
Children’s Research Hospital, Memphis, Tennessee 38105-3678, USA
| | - Jing Wu
- Department of Chemical Biology and Therapeutics, St. Jude
Children’s Research Hospital, Memphis, Tennessee 38105-3678, USA
| | - Peter O. Oladimeji
- Department of Chemical Biology and Therapeutics, St. Jude
Children’s Research Hospital, Memphis, Tennessee 38105-3678, USA
| | - Andrew W. Munro
- Manchester Institute of Biotechnology, School of Natural
Sciences, Department of Chemistry, The University of Manchester, Manchester, M1 7DN,
UK
| | - Taosheng Chen
- Department of Chemical Biology and Therapeutics, St. Jude
Children’s Research Hospital, Memphis, Tennessee 38105-3678, USA
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5
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Lu C, Di L. In vitro
and
in vivo
methods to assess pharmacokinetic drug– drug interactions in drug discovery and development. Biopharm Drug Dispos 2020; 41:3-31. [DOI: 10.1002/bdd.2212] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 09/27/2019] [Accepted: 10/28/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Chuang Lu
- Department of DMPKSanofi Company Waltham MA 02451
| | - Li Di
- Pharmacokinetics, Dynamics and MetabolismPfizer Worldwide Research & Development Groton CT 06340
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6
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Wright WC, Chenge J, Chen T. Structural Perspectives of the CYP3A Family and Their Small Molecule Modulators in Drug Metabolism. LIVER RESEARCH 2019; 3:132-142. [PMID: 32789028 PMCID: PMC7418881 DOI: 10.1016/j.livres.2019.08.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Cytochrome P450 enzymes function to catalyze a wide range of reactions, many of which are critically important for drug response. Members of the human cytochrome P450 3A (CYP3A) family are particularly important in drug clearance, and they collectively metabolize more than half of all currently prescribed medications. The ability of these enzymes to bind a large and structurally diverse set of compounds increases the chances of their modulating or facilitating drug metabolism in unfavorable ways. Emerging evidence suggests that individual enzymes in the CYP3A family play discrete and important roles in catalysis and disease progression. Here we review the similarities and differences among CYP3A enzymes with regard to substrate recognition, metabolism, modulation by small molecules, and biological consequence, highlighting some of those with clinical significance. We also present structural perspectives to further characterize the basis of these comparisons.
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Affiliation(s)
- William C. Wright
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, Tennessee 38105, USA
- Integrated Biomedical Sciences Program, University of Tennessee Health Science Center, Memphis, Tennessee 38163, USA
| | - Jude Chenge
- Integrated Biomedical Sciences Program, University of Tennessee Health Science Center, Memphis, Tennessee 38163, USA
| | - Taosheng Chen
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, Tennessee 38105, USA
- Integrated Biomedical Sciences Program, University of Tennessee Health Science Center, Memphis, Tennessee 38163, USA
- Corresponding author: Taosheng Chen, Department of Chemical Biology and Therapeutics, MS 1000, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA. Tel: (901) 595-5937; Fax: (901) 595-5715;
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7
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Denisov IG, Baylon JL, Grinkova YV, Tajkhorshid E, Sligar SG. Drug-Drug Interactions between Atorvastatin and Dronedarone Mediated by Monomeric CYP3A4. Biochemistry 2017; 57:805-816. [PMID: 29200287 DOI: 10.1021/acs.biochem.7b01012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Heterotropic interactions between atorvastatin (ARVS) and dronedarone (DND) have been deciphered using global analysis of the results of binding and turnover experiments for pure drugs and their mixtures. The in vivo presence of atorvastatin lactone (ARVL) was explicitly taken into account by using pure ARVL in analogous experiments. Both ARVL and ARVS inhibit DND binding and metabolism, while a significantly higher affinity of CYP3A4 for ARVL makes the latter the main modulator of activity (effector) in this system. Molecular dynamics simulations reveal significantly different modes of interactions of DND and ARVL with the substrate binding pocket and with a peripheral allosteric site. Interactions of both substrates with residues F213 and F219 at the allosteric site play a critical role in the communication of conformational changes induced by effector binding to productive binding of the substrate at the catalytic site.
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Affiliation(s)
- Ilia G Denisov
- Department of Biochemistry, ‡Center for Biophysics and Quantitative Biology, and §Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Javier L Baylon
- Department of Biochemistry, ‡Center for Biophysics and Quantitative Biology, and §Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Yelena V Grinkova
- Department of Biochemistry, ‡Center for Biophysics and Quantitative Biology, and §Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Emad Tajkhorshid
- Department of Biochemistry, ‡Center for Biophysics and Quantitative Biology, and §Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Stephen G Sligar
- Department of Biochemistry, ‡Center for Biophysics and Quantitative Biology, and §Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
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8
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Wu X. Up-regulation of YPEL1 and YPEL5 and down-regulation of ITGA2 in erlotinib-treated EGFR-mutant non-small cell lung cancer: A bioinformatic analysis. Gene 2017; 643:74-82. [PMID: 29221754 DOI: 10.1016/j.gene.2017.12.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 11/17/2017] [Accepted: 12/04/2017] [Indexed: 10/18/2022]
Abstract
PURPOSE This study aimed to identify genes with significant alteration following treatment of epidermal growth factor receptor (EGFR)-mutant non-small cell lung cancer (NSCLC) with tyrosine kinase inhibitors (TKIs). METHODS We downloaded microarray data of GSE67051 from the Gene Expression Omnibus (GEO) database. Genes with differential expression were identified in two groups: erlotinib-treated versus DMSO-treated PC9 cells and erlotinib-treated versus DMSO-treated HCC827 cells. Functional enrichment analysis and protein-protein interaction (PPI) network were performed on the overlapping differentially expressed genes (DEGs). Additionally, miRNAs that can regulate the DEGs were predicted. Small-molecule drugs, with possible synergistic or antagonistic actions with respect to erlotinib, were screened; data validation using another dataset was conducted. RESULTS In total, 1466 and 839 DEGs were identified in the aforementioned comparison groups, respectively, among which 267 overlapping up-regulated and 73 down-regulated were observed. The overlapping up- and down-regulated genes were significantly associated with different functions and pathways. ITGA2 had higher centrality scores in the PPI network. Seventy small-molecule drugs, with either possible synergistic or antagonistic roles with erlotinib, were identified. Moreover, up-regulated YPEL1, YPEL2, and YPEL5 were enriched in the miRNA-target regulatory network. Implementing data validation, we found YPEL1, YPEL5, and ITGA2 displayed similar expression profiles in the two datasets. CONCLUSION YPEL1 and YPEL5 may be related to the action of erlotinib, and down-regulation of ITGA2 may be associated with the development of acquired resistance to erlotinib in EGFR-mutant NSCLCs. Furthermore, several small-molecule drugs that may have synergistic and antagonistic roles with erlotinib were identified.
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Affiliation(s)
- Xiaoli Wu
- Department of pharmacy, Huai'an First People's Hospital, Nanjing Medical University, No. 1 West Huanghe Road, Huaiyin District, Huai'an, Jiangsu 223300, China.
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9
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Allosteric activation of midazolam CYP3A5 hydroxylase activity by icotinib – Enhancement by ketoconazole. Biochem Pharmacol 2016; 121:67-77. [DOI: 10.1016/j.bcp.2016.09.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 09/15/2016] [Indexed: 11/20/2022]
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