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Tan BH, Ahemad N, Pan Y, Ong CE. Mechanism-based inactivation of cytochromes P450: implications in drug interactions and pharmacotherapy. Xenobiotica 2024; 54:575-598. [PMID: 39175333 DOI: 10.1080/00498254.2024.2395557] [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: 06/15/2024] [Revised: 08/17/2024] [Accepted: 08/19/2024] [Indexed: 08/24/2024]
Abstract
Cytochrome P40 (CYP) enzymes dominate the metabolism of numerous endogenous and xenobiotic substances. While it is commonly believed that CYP-catalysed reactions result in the detoxication of foreign substances, these reactions can also yield reactive intermediates that can bind to cellular macromolecules to cause cytotoxicity or irreversibly inactivate CYPs that create them.Mechanism-based inactivation (MBI) produces either irreversible or quasi-irreversible inactivation and is commonly caused by CYP metabolic bioactivation to an electrophilic reactive intermediate. Many drugs that have been known to cause MBI in CYPs have been discovered as perpetrators in drug-drug interactions throughout the last 20-30 years.This review will highlight the key findings from the recent literature about the mechanisms of CYP enzyme inhibition, with a focus on the broad mechanistic elements of MBI for widely used drugs linked to the phenomenon. There will also be a brief discussion of the clinical or pharmacokinetic consequences of CYP inactivation with regard to drug interaction and toxicity risk.Gaining knowledge about the selective inactivation of CYPs by common therapeutic drugs helps with the assessment of factors that affect the systemic clearance of co-administered drugs and improves comprehension of anticipated interactions with other drugs or xenobiotics.
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Affiliation(s)
- Boon Hooi Tan
- Division of Applied Biomedical Sciences and Biotechnology, International Medical University, Kuala Lumpur, Malaysia
| | - Nafees Ahemad
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Selangor, Malaysia
| | - Yan Pan
- Department of Biomedical Science, University of Nottingham Malaysia Campus, Semenyih, Selangor, Malaysia
| | - Chin Eng Ong
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
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Fukuno S, Nagai K, Kurotobi A, Sahori Y, Nakagawa R, Nomura R, Ito T, Konishi H. Danazol increases the oral bioavailability of midazolam by inactivation of hepatic and intestinal CYP3A in rats. Xenobiotica 2023; 53:421-428. [PMID: 37640546 DOI: 10.1080/00498254.2023.2253314] [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: 07/10/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 08/31/2023]
Abstract
Danazol (DNZ) is a synthetic androgen derivative used for the treatment of intractable hematological disorders. In this study, we investigated the effects of DNZ on CYP3A activity in hepatic and small intestinal microsomes and the pharmacokinetics of midazolam (MDZ), a typical substrate for CYP3A, in rats.MDZ 4-hydroxylation activities in hepatic and small intestinal microsomes significantly decreased 24 h after DNZ (100 mg/kg, i.p.) treatment. Time-dependent inactivation of MDZ 4-hydroxylation activities was noted when microsomes were pre-incubated with DNZ in the presence of a NADPH-generating system.The Western blot analysis indicated that the decrease observed in enzyme activity was not due to changes in the protein expression of CYP3A.In contrast to the intravenous administration, serum MDZ concentrations in DNZ-treated rats were markedly higher than those in control rats when administered orally. DNZ treatment increased MDZ oral bioavailability by approximately 2.5-folds.We herein demonstrated that DNZ increased the bioavailability of orally administered MDZ through irreversible inactivation of hepatic and intestinal CYP3A in rats.
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Affiliation(s)
- Shuhei Fukuno
- Laboratory of Clinical Pharmacy and Therapeutics, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Japan
| | - Katsuhito Nagai
- Laboratory of Clinical Pharmacy and Therapeutics, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Japan
| | - Akemi Kurotobi
- Laboratory of Clinical Pharmacy and Therapeutics, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Japan
| | - Yuki Sahori
- Laboratory of Clinical Pharmacy and Therapeutics, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Japan
| | - Ryo Nakagawa
- Laboratory of Clinical Pharmacy and Therapeutics, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Japan
| | - Rena Nomura
- Laboratory of Clinical Pharmacy and Therapeutics, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Japan
| | - Takuya Ito
- Laboratory of Natural Medicines, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Japan
| | - Hiroki Konishi
- Laboratory of Clinical Pharmacy and Therapeutics, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Japan
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Zhao Q, Wu ZE, Li B, Li F. Recent advances in metabolism and toxicity of tyrosine kinase inhibitors. Pharmacol Ther 2022; 237:108256. [DOI: 10.1016/j.pharmthera.2022.108256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/20/2022] [Accepted: 07/20/2022] [Indexed: 11/15/2022]
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Jackson KD, Argikar UA, Cho S, Crouch RD, Driscoll JP, Heck C, King L, Maw HH, Miller GP, Seneviratne HK, Wang S, Wei C, Zhang D, Khojasteh SC. Bioactivation and Reactivity Research Advances - 2021 year in review. Drug Metab Rev 2022; 54:246-281. [PMID: 35876116 DOI: 10.1080/03602532.2022.2097254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This year's review on bioactivation and reactivity began as a part of the annual review on biotransformation and bioactivation led by Cyrus Khojasteh (Khojasteh et al., 2021, 2020, 2019, 2018, 2017; Baillie et al., 2016). Increased contributions from experts in the field led to the development of a stand alone edition for the first time this year focused specifically on bioactivation and reactivity. Our objective for this review is to highlight and share articles which we deem influential and significant regarding the development of covalent inhibitors, mechanisms of reactive metabolite formation, enzyme inactivation, and drug safety. Based on the selected articles, we created two sections: (1) reactivity and enzyme inactivation, and (2) bioactivation mechanisms and safety (Table 1). Several biotransformation experts have contributed to this effort from academic and industry settings.
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Affiliation(s)
- Klarissa D Jackson
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA
| | - Upendra A Argikar
- Non-clinical Development, Bill & Melinda Gates Medical Research Institute, Cambridge, MA, 02139, USA
| | - Sungjoon Cho
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Rachel D Crouch
- Department of Pharmaceutical Sciences, Lipscomb University College of Pharmacy and Health Sciences, Nashville, TN, 37203, USA
| | - James P Driscoll
- Department of Drug Metabolism and Pharmacokinetics. Bristol Myers Squibb, Brisbane, CA, 94005, USA
| | - Carley Heck
- Medicine Design, Pfizer Worldwide Research, Development and Medical, Eastern Point Road, Groton, Connecticut, USA
| | - Lloyd King
- Department of DMPK, UCB Biopharma UK, 216 Bath Road, Slough, SL1 3WE, UK
| | - Hlaing Holly Maw
- Drug Metabolism and Pharmacokinetics, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, 06877, USA
| | - Grover P Miller
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, 4301 W Markham St Slot 516, Little Rock, Arkansas, 72205, USA
| | - Herana Kamal Seneviratne
- Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Shuai Wang
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Cong Wei
- Drug Metabolism & Pharmacokinetics, Biogen Inc., Cambridge, MA, 02142, USA
| | - Donglu Zhang
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - S Cyrus Khojasteh
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., 1 DNA Way, MS412a, South San Francisco, CA, 94080, USA
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Ni KD, Liu JY. The Functions of Cytochrome P450 ω-hydroxylases and the Associated Eicosanoids in Inflammation-Related Diseases. Front Pharmacol 2021; 12:716801. [PMID: 34594219 PMCID: PMC8476763 DOI: 10.3389/fphar.2021.716801] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 09/01/2021] [Indexed: 12/17/2022] Open
Abstract
The cytochrome P450 (CYP) ω-hydroxylases are a subfamily of CYP enzymes. While CYPs are the main metabolic enzymes that mediate the oxidation reactions of many endogenous and exogenous compounds in the human body, CYP ω-hydroxylases mediate the metabolism of multiple fatty acids and their metabolites via the addition of a hydroxyl group to the ω- or (ω-1)-C atom of the substrates. The substrates of CYP ω-hydroxylases include but not limited to arachidonic acid, docosahexaenoic acid, eicosapentaenoic acid, epoxyeicosatrienoic acids, leukotrienes, and prostaglandins. The CYP ω-hydroxylases-mediated metabolites, such as 20-hyroxyleicosatrienoic acid (20-HETE), 19-HETE, 20-hydroxyl leukotriene B4 (20-OH-LTB4), and many ω-hydroxylated prostaglandins, have pleiotropic effects in inflammation and many inflammation-associated diseases. Here we reviewed the classification, tissue distribution of CYP ω-hydroxylases and the role of their hydroxylated metabolites in inflammation-associated diseases. We described up-regulation of CYP ω-hydroxylases may be a pathogenic mechanism of many inflammation-associated diseases and thus CYP ω-hydroxylases may be a therapeutic target for these diseases. CYP ω-hydroxylases-mediated eicosanods play important roles in inflammation as pro-inflammatory or anti-inflammatory mediators, participating in the process stimulated by cytokines and/or the process stimulating the production of multiple cytokines. However, most previous studies focused on 20-HETE,and further studies are needed for the function and mechanisms of other CYP ω-hydroxylases-mediated eicosanoids. We believe that our studies of CYP ω-hydroxylases and their associated eicosanoids will advance the translational and clinal use of CYP ω-hydroxylases inhibitors and activators in many diseases.
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Affiliation(s)
- Kai-Di Ni
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Jun-Yan Liu
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing, China
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Ortega Ugalde S, Wallraven K, Speer A, Bitter W, Grossmann TN, Commandeur JNM. Acetylene containing cyclo(L-Tyr-L-Tyr)-analogs as mechanism-based inhibitors of CYP121A1 from Mycobacterium tuberculosis. Biochem Pharmacol 2020; 177:113938. [PMID: 32224137 DOI: 10.1016/j.bcp.2020.113938] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 03/24/2020] [Indexed: 11/28/2022]
Abstract
Tuberculosis (TB) is a globally significant infective disease that is caused by a single infectious agent, Mycobacterium tuberculosis (Mtb). Because of the rise in the number of multidrug-resistant (MDR) TB strains, identification of alternative drug targets for the development of drugs with different mechanism of actions is desired. CYP121A1, one of the twenty cytochrome P450 enzymes encoded in the Mtb genome, was previously shown to be essential for bacterial growth. This enzyme catalyzes the intramolecular C-C crosslinking reaction of the cyclopeptide cyclo(L-tyr-L-tyr) (cYY) yielding the metabolite mycocyclosin. In the present study, acetylene-substituted cYY-analogs were synthesized and evaluated as potential mechanism-based inhibitors of CYP121A1. The acetylene-substituted cYY-analogs were capable of binding to CYP121A1 with affinities comparable with cYY, and exhibited a Type I binding mode, indicative of a substrate-like binding, mandatory for metabolism. Only the cYY-analogs which contain an acetylene-substitution at one (2a) or both (3) para-positions of cYY showed mechanism-based inhibition of CYP121A1 activity. The values of KI and kinact were 236 µM and 0.045 min-1, respectively, for compound 2a, and 145 µM and 0.015 min-1, repectively, for compound 3 The inactivation could neither be reversed by dialysis nor be prevented by including glutathione. LC-MS analysis demonstrated that the inactivation results from covalent binding to the apoprotein, whereas the heme was unmodified. Interestingly, the mass increment of the CYP121A1 apoprotein was significantly smaller than was expected from the ketene formed by oxidation of the acetylene-group, indicative for a secondary cleavage reaction in the active site of CYP121A1. Although the two acetylene-containing cYY-analogs showed significant mechanism-based inhibition, growth inhibition of the Mtb strains was only observed at millimolar concentrations. This low efficacy may be due to insufficient irreversible inactivation of CYP121A1 and/or insufficient cellular uptake. Although the identified mechanism-based inhibitors have no perspective for Mtb-treatment, this study is the first proof-of-principle that mechanism-based inhibition of CYP121A1 is feasible and may provide the basis for new strategies in the design and development of compounds against this promising therapeutic target.
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Affiliation(s)
- Sandra Ortega Ugalde
- Division of Molecular and Computational Toxicology, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Faculty of Sciences, Vrije Universiteit, Amsterdam, The Netherlands
| | - Kerstin Wallraven
- Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit, Amsterdam, The Netherlands
| | - Alexander Speer
- Department of Medical Microbiology and Infection Control, Amsterdam UMC, Amsterdam, The Netherlands
| | - Wilbert Bitter
- Department of Medical Microbiology and Infection Control, Amsterdam UMC, Amsterdam, The Netherlands
| | - Tom N Grossmann
- Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit, Amsterdam, The Netherlands.
| | - Jan N M Commandeur
- Division of Molecular and Computational Toxicology, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Faculty of Sciences, Vrije Universiteit, Amsterdam, The Netherlands.
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Yadav J, Paragas E, Korzekwa K, Nagar S. Time-dependent enzyme inactivation: Numerical analyses of in vitro data and prediction of drug-drug interactions. Pharmacol Ther 2020; 206:107449. [PMID: 31836452 PMCID: PMC6995442 DOI: 10.1016/j.pharmthera.2019.107449] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Cytochrome P450 (CYP) enzyme kinetics often do not conform to Michaelis-Menten assumptions, and time-dependent inactivation (TDI) of CYPs displays complexities such as multiple substrate binding, partial inactivation, quasi-irreversible inactivation, and sequential metabolism. Additionally, in vitro experimental issues such as lipid partitioning, enzyme concentrations, and inactivator depletion can further complicate the parameterization of in vitro TDI. The traditional replot method used to analyze in vitro TDI datasets is unable to handle complexities in CYP kinetics, and numerical approaches using ordinary differential equations of the kinetic schemes offer several advantages. Improvement in the parameterization of CYP in vitro kinetics has the potential to improve prediction of clinical drug-drug interactions (DDIs). This manuscript discusses various complexities in TDI kinetics of CYPs, and numerical approaches to model these complexities. The extrapolation of CYP in vitro TDI parameters to predict in vivo DDIs with static and dynamic modeling is discussed, along with a discussion on current gaps in knowledge and future directions to improve the prediction of DDI with in vitro data for CYP catalyzed drug metabolism.
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Affiliation(s)
- Jaydeep Yadav
- Amgen Inc., 360 Binney Street, Cambridge, MA 02142, United States; Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19140, United States
| | - Erickson Paragas
- Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19140, United States
| | - Ken Korzekwa
- Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19140, United States
| | - Swati Nagar
- Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19140, United States.
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