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Kumar N, He J, Rusling JF. Electrochemical transformations catalyzed by cytochrome P450s and peroxidases. Chem Soc Rev 2023; 52:5135-5171. [PMID: 37458261 DOI: 10.1039/d3cs00461a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
Cytochrome P450s (Cyt P450s) and peroxidases are enzymes featuring iron heme cofactors that have wide applicability as biocatalysts in chemical syntheses. Cyt P450s are a family of monooxygenases that oxidize fatty acids, steroids, and xenobiotics, synthesize hormones, and convert drugs and other chemicals to metabolites. Peroxidases are involved in breaking down hydrogen peroxide and can oxidize organic compounds during this process. Both heme-containing enzymes utilize active FeIVO intermediates to oxidize reactants. By incorporating these enzymes in stable thin films on electrodes, Cyt P450s and peroxidases can accept electrons from an electrode, albeit by different mechanisms, and catalyze organic transformations in a feasible and cost-effective way. This is an advantageous approach, often called bioelectrocatalysis, compared to their biological pathways in solution that require expensive biochemical reductants such as NADPH or additional enzymes to recycle NADPH for Cyt P450s. Bioelectrocatalysis also serves as an ex situ platform to investigate metabolism of drugs and bio-relevant chemicals. In this paper we review biocatalytic electrochemical reactions using Cyt P450s including C-H activation, S-oxidation, epoxidation, N-hydroxylation, and oxidative N-, and O-dealkylation; as well as reactions catalyzed by peroxidases including synthetically important oxidations of organic compounds. Design aspects of these bioelectrocatalytic reactions are presented and discussed, including enzyme film formation on electrodes, temperature, pH, solvents, and activation of the enzymes. Finally, we discuss challenges and future perspective of these two important bioelectrocatalytic systems.
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Affiliation(s)
- Neeraj Kumar
- Department of Chemistry, University of Connecticut, Storrs, CT 06269-3136, USA.
| | - Jie He
- Department of Chemistry, University of Connecticut, Storrs, CT 06269-3136, USA.
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269-3136, USA
| | - James F Rusling
- Department of Chemistry, University of Connecticut, Storrs, CT 06269-3136, USA.
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269-3136, USA
- Department of Surgery and Neag Cancer Center, Uconn Health, Farmington, CT 06030, USA
- School of Chemistry, National University of Ireland at Galway, Galway, Ireland
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Koroleva PI, Gilep AA, Kraevsky SV, Tsybruk TV, Shumyantseva VV. Improving the Efficiency of Electrocatalysis of Cytochrome P450 3A4 by Modifying the Electrode with Membrane Protein Streptolysin O for Studying the Metabolic Transformations of Drugs. BIOSENSORS 2023; 13:bios13040457. [PMID: 37185532 PMCID: PMC10136652 DOI: 10.3390/bios13040457] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/30/2023] [Accepted: 04/02/2023] [Indexed: 05/17/2023]
Abstract
In the present work, screen-printed electrodes (SPE) modified with a synthetic surfactant, didodecyldimethylammonium bromide (DDAB) and streptolysin O (SLO) were prepared for cytochrome P450 3A4 (CYP3A4) immobilization, direct non-catalytic and catalytic electrochemistry. The immobilized CYP3A4 demonstrated a pair of redox peaks with a formal potential of -0.325 ± 0.024 V (vs. the Ag/AgCl reference electrode). The electron transfer process showed a surface-controlled mechanism ("protein film voltammetry") with an electron transfer rate constant (ks) of 0.203 ± 0.038 s-1. Electrochemical CYP3A4-mediated reaction of N-demethylation of erythromycin was explored with the following parameters: an applied potential of -0.5 V and a duration time of 20 min. The system with DDAB/SLO as the electrode modifier showed conversion of erythromycin with an efficiency higher than the electrode modified with DDAB only. Confining CYP3A4 inside the protein frame of SLO accelerated the enzymatic reaction. The increases in product formation in the reaction of the electrochemical N-demethylation of erythromycin for SPE/DDAB/CYP3A4 and SPE/DDAB/SLO/CYP3A4 were equal to 100 ± 22% and 297 ± 7%, respectively. As revealed by AFM images, the SPE/DDAB/SLO possessed a more developed surface with protein cavities in comparison with SPE/DDAB for the effective immobilization of the CYP3A4 enzyme.
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Affiliation(s)
- Polina I Koroleva
- Institute of Biomedical Chemistry, Pogodinskaya Street, 10, Build 8, 119121 Moscow, Russia
| | - Andrei A Gilep
- Institute of Biomedical Chemistry, Pogodinskaya Street, 10, Build 8, 119121 Moscow, Russia
- Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, 220141 Minsk, Belarus
| | - Sergey V Kraevsky
- Institute of Biomedical Chemistry, Pogodinskaya Street, 10, Build 8, 119121 Moscow, Russia
| | - Tatiana V Tsybruk
- Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, 220141 Minsk, Belarus
| | - Victoria V Shumyantseva
- Institute of Biomedical Chemistry, Pogodinskaya Street, 10, Build 8, 119121 Moscow, Russia
- Faculty of Biomedicine, Pirogov Russian National Research Medical University, Ostrovitianov Street, 1, 117997 Moscow, Russia
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Cheropkina H, Catucci G, Cesano F, Marucco A, Gilardi G, Sadeghi SJ. Bioelectrochemical platform with human monooxygenases: FMO1 and CYP3A4 tandem reactions with phorate. Bioelectrochemistry 2023; 150:108327. [PMID: 36446195 DOI: 10.1016/j.bioelechem.2022.108327] [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: 09/20/2022] [Revised: 10/30/2022] [Accepted: 11/18/2022] [Indexed: 11/25/2022]
Abstract
It is highly advantageous to devise an in vitro platform that can predict the complexity of an in vivo system. The first step of this process is the identification of a xenobiotic whose monooxygenation is carried out by two sequential enzymatic reactions. Pesticides are a good model for this type of tandem reactions since in specific cases they are initially metabolised by human flavin-containing monooxygenase 1 (hFMO1), followed by cytochrome P450 (CYP). To assess the feasibility of such an in vitro platform, hFMO1 is immobilised on glassy carbon electrodes modified with graphene oxide (GO) and cationic surfactant didecyldimethylammonium bromide (DDAB). UV-vis, contact angle and AFM measurements support the effective decoration of the GO sheets by DDAB which appear as 3 nm thick structures. hFMO1 activity on the bioelectrode versus three pesticides; fenthion, methiocarb and phorate, lead to the expected sulfoxide products with KM values of 29.5 ± 5.1, 38.4 ± 7.5, 29.6 ± 4.1 µM, respectively. Moreover, phorate is subsequently tested in a tandem system with hFMO1 and CYP3A4 resulting in both phorate sulfoxide as well as phoratoxon sulfoxide. The data demonstrate the feasibility of using bioelectrochemical platforms to mimic the complex metabolic reactions of xenobiotics within the human body.
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Affiliation(s)
- Hanna Cheropkina
- Department of Life Sciences and Systems Biology, University of Torino, via Accademia Albertina, Torino 10123, Italy
| | - Gianluca Catucci
- Department of Life Sciences and Systems Biology, University of Torino, via Accademia Albertina, Torino 10123, Italy
| | - Federico Cesano
- Department of Chemistry & INSTM-UdR Torino, Via Giuria 7, Torino 10125, Italy; Centre for Nanostructured Interfaces and Surfaces, University of Torino, via Pietro Giuria 7, 10125 Torino, Italy
| | - Arianna Marucco
- Department of Life Sciences and Systems Biology, University of Torino, via Accademia Albertina, Torino 10123, Italy
| | - Gianfranco Gilardi
- Department of Life Sciences and Systems Biology, University of Torino, via Accademia Albertina, Torino 10123, Italy; Centre for Nanostructured Interfaces and Surfaces, University of Torino, via Pietro Giuria 7, 10125 Torino, Italy
| | - Sheila J Sadeghi
- Department of Life Sciences and Systems Biology, University of Torino, via Accademia Albertina, Torino 10123, Italy; Centre for Nanostructured Interfaces and Surfaces, University of Torino, via Pietro Giuria 7, 10125 Torino, Italy.
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Biotransformation of phenytoin in the electrochemically-driven CYP2C19 system. Biophys Chem 2022; 291:106894. [PMID: 36174335 DOI: 10.1016/j.bpc.2022.106894] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/08/2022] [Accepted: 09/13/2022] [Indexed: 11/21/2022]
Abstract
The possibility of the detection of atypical kinetic profiles of drug biotransformation using electrochemical systems based on immobilized cytochromes P450 with phenytoin hydroxylation by cytochrome P450 2C19 (CYP2C19) as an example was evaluated for the first time. For this purpose, we developed an electrochemical system, where one of the electrodes was modified by didodecyldimethylammonium bromide (DDAB) and was used as an electron donor for reduction of heme iron ion of the immobilized CYP2C19 and initiation of the catalytic reaction, while the second electrode was not modified and served for an electrochemical quantitation of 4-hydroxyphenytoin, which is a metabolite of antiepileptic drug phenytoin, by its oxidation peak. It was revealed that the dependence of the rate of 4-hydroxyphenytoin formation on phenytoin concentration is described by the equation for two enzymes or two binding sites indicating the existing of high- and low-affinity forms of the enzyme. The atypical kinetics and the kinetic parameters of CYP2C19-mediated phenytoin hydroxylation in the electrochemical system correlate to the same characteristics obtained by other authors in an alternative enzymatic system. Our results demonstrate the possibility of electrochemical systems based on cytochromes P450 to be applied for the detection of atypical kinetic profiles of drug metabolism.
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Shumyantseva VV, Koroleva PI, Bulko TV, Shkel TV, Gilep AA, Veselovsky AV. Approaches for increasing the electrocatalitic efficiency of cytochrome P450 3A4. Bioelectrochemistry 2022; 149:108277. [DOI: 10.1016/j.bioelechem.2022.108277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 09/22/2022] [Accepted: 09/22/2022] [Indexed: 11/25/2022]
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Catucci G, Ciaramella A, Di Nardo G, Zhang C, Castrignanò S, Gilardi G. Molecular Lego of Human Cytochrome P450: The Key Role of Heme Domain Flexibility for the Activity of the Chimeric Proteins. Int J Mol Sci 2022; 23:ijms23073618. [PMID: 35408976 PMCID: PMC8998974 DOI: 10.3390/ijms23073618] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 03/22/2022] [Accepted: 03/24/2022] [Indexed: 02/04/2023] Open
Abstract
The cytochrome P450 superfamily are heme-thiolate enzymes able to carry out monooxygenase reactions. Several studies have demonstrated the feasibility of using a soluble bacterial reductase from Bacillus megaterium, BMR, as an artificial electron transfer partner fused to the human P450 domain in a single polypeptide chain in an approach known as ‘molecular Lego’. The 3A4-BMR chimera has been deeply characterized biochemically for its activity, coupling efficiency, and flexibility by many different biophysical techniques leading to the conclusion that an extension of five glycines in the loop that connects the two domains improves all the catalytic parameters due to improved flexibility of the system. In this work, we extend the characterization of 3A4-BMR chimeras using differential scanning calorimetry to evaluate stabilizing role of BMR. We apply the ‘molecular Lego’ approach also to CYP19A1 (aromatase) and the data show that the activity of the chimeras is very low (<0.003 min−1) for all the constructs tested with a different linker loop length: ARO-BMR, ARO-BMR-3GLY, and ARO-BMR-5GLY. Nevertheless, the fusion to BMR shows a remarkable effect on thermal stability studied by differential scanning calorimetry as indicated by the increase in Tonset by 10 °C and the presence of a cooperative unfolding process driven by the BMR protein domain. Previously characterized 3A4-BMR constructs show the same behavior of ARO-BMR constructs in terms of thermal stabilization but a higher activity as a function of the loop length. A comparison of the ARO-BMR system to 3A4-BMR indicates that the design of each P450-BMR chimera should be carefully evaluated not only in terms of electron transfer, but also for the biophysical constraints that cannot always be overcome by chimerization.
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Human Cytochrome P450 2C9 and Its Polymorphic Modifications: Electroanalysis, Catalytic Properties, and Approaches to the Regulation of Enzymatic Activity. Processes (Basel) 2022. [DOI: 10.3390/pr10020383] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
The electrochemical properties of cytochrome P450 2C9 (CYP2C9) and polymorphic modifications P450 2C9*2 (CYP2C9*2) and P450 2C9*3 (CYP2C9*3) were studied. To analyze the comparative electrochemical and electrocatalytic activity, the enzymes were immobilized on electrodes modified with a membrane-like synthetic surfactant (didodecyldimethylammonium bromide (DDAB)). An adequate choice of the type of modified electrode was confirmed by cyclic voltammetry of cytochromes P450 under anaerobic conditions, demonstrating well-defined peaks of reduction and oxidation of the heme iron. The midpoint potential, Emid, of cytochrome P450 2C9 is −0.318 ± 0.01 V, and Emid = −0.324 ± 0.01 V, and Emid = −0.318 ± 0.03 V for allelic variant 2C9*2 and allelic variant 2C9*3, respectively. In the presence of substrate diclofenac under aerobic conditions, cytochrome P450 2C9 and its polymorphic modifications P450 2C9*2 and P450 2C9*3 exhibit catalytic properties. Stimulation of the metabolism of diclofenac by cytochrome P450 2C9 in the presence of antioxidant medications mexidol and taurine was shown.
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Shumyantseva VV, Koroleva PI, Bulko TV, Sergeev GV, Usanov SA. Predicting drug-drug interactions by electrochemically driven cytochrome P450 3A4 reactions. Drug Metab Pers Ther 2021; 37:241-248. [PMID: 34860476 DOI: 10.1515/dmpt-2021-0116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 08/31/2021] [Indexed: 12/29/2022]
Abstract
OBJECTIVES Human cytochrome P450 3A4 is the most abundant hepatic and intestinal Phase I enzyme that metabolizes approximately 60% marketed drugs. Simultaneous administration of several drugs may result in appearance of drug-drug interaction. Due to the great interest in the combination therapy, the exploration of the role of drug as "perpetrator" or "victim" is important task in pharmacology. In this work the model systems based on electrochemically driven cytochrome P450 3A4 for the analysis of drug combinations was used. We have shown that the analysis of electrochemical parameters of cytochrome P450 3A4 and especially, potential of the start of catalysis, Eonset, possess predictive properties in the determination of the leading ("perpetrator") properties of drug. Based on these experimental data, we concluded, that the more positive potential of the start of catalysis, Eonset, the more pronounced the role of drug as leading medication. METHODS Electrochemically driven cytochrome P450 3A4 was used as probe and measuring tool for the estimation of the role of interacting drugs. RESULTS It is shown that the electrochemical non-invasive model systems for monitoring the catalytic activity of cytochrome P450 3A4 can be used as prognostic devise in assessment of drug/drug interacting medications. CONCLUSIONS Cytochrome P450 3A4 activity was studied in electrochemically driven system. Method was implemented to monitor drug/drug interactions. Based on the obtained experimental data, we can conclude that electrochemical parameter such as potential of onset of catalysis, Eonset, has predictive efficiency in assessment of drug/drug interacting medications in the case of the co-administration.
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Affiliation(s)
- Victoria V Shumyantseva
- Institute of Biomedical Chemistry, Moscow, Russia.,Pirogov Russian National Research Medical University, Moscow, Russia
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Koroleva PI, Kuzikov AV, Masamrekh RA, Filimonov DA, Dmitriev AV, Zaviyalova MG, Rikova SM, Shich EV, Makhova AA, Bulko TV, Gilep AA, Shumyantseva VV. Modeling of Drug-Drug Interactions between Omeprazole and Erythromycin in the Cytochrome P450-Dependent System In vitro. BIOCHEMISTRY (MOSCOW), SUPPLEMENT SERIES B: BIOMEDICAL CHEMISTRY 2021. [DOI: 10.1134/s1990750821010030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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10
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Sadeghi SJ, Di Nardo G, Gilardi G. Chimeric cytochrome P450 3A4 used for in vitro prediction of food-drug interactions. Biotechnol Appl Biochem 2020; 67:541-548. [PMID: 32713008 DOI: 10.1002/bab.1993] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 07/18/2020] [Indexed: 12/26/2022]
Abstract
Inhibition of cytochrome P450 (CYP)-mediated drug metabolism by dietary substances is the main cause of drug-food interactions in humans. The present study reports on the in vitro inhibition assays of human CYP3A4 genetically linked to the reductase domain of bacterial BM3 of Bacillus megaterium (BMR) resulting in the chimeric protein CYP3A4-BMR. The activity of this chimeric enzyme was initially measured colorimetrically with erythromycin as the substrate where KM values similar to published data were determined. Subsequently, the inhibition assays with three different dietary products, grapefruit juice, curcumin, and resveratrol, were carried out with the chimeric enzyme both in solution and immobilized on electrode surfaces. For the solution studies, nicotinamide adenine dinucleotide phosphate was added as the electron donor, whereas the need for this cofactor was obviated in the immobilized enzyme as it was supplied by the electrode. Inhibition of the N-demethylation of erythromycin by CYP3A4-BMR chimera was measured at increasing concentrations of the different dietary compounds with calculated IC50 values of 0.5%, 31 μM, and 250 μM for grapefruit juice, curcumin, and resveratrol measured in solution compared with 0.7%, 24 μM, and 208 μM measured electrochemically, respectively. These data demonstrate the feasibility of the use of both CYP3A4-BMR chimera as well as bioelectrochemistry for in vitro studies of not only drug-food interactions but also prediction of adverse drug reactions in this important P450 enzyme.
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Affiliation(s)
- Sheila J Sadeghi
- Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy.,Centre for Nanostructured Interfaces and Surfaces, University of Torino, Torino, Italy
| | - Giovanna Di Nardo
- Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy
| | - Gianfranco Gilardi
- Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy.,Centre for Nanostructured Interfaces and Surfaces, University of Torino, Torino, Italy
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Makhova AA, Shikh EV, Bulko TV, Gilep AA, Usanov SA, Shumyantseva VV. No effect of lipoic acid on catalytic activity of cytochrome P450 3A4. Drug Metab Pers Ther 2020; 35:dmpt-2020-0105. [PMID: 32712589 DOI: 10.1515/dmpt-2020-0105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 05/13/2020] [Indexed: 01/10/2023]
Abstract
Objectives α-Lipoic acid is used as an antioxidant in multivitamin formulations to restore the normal level of intracellular glutathione after depletion caused by environmental pollutants or during physiological aging of the body, as a chelating agent, as a dietary supplement, in anti-aging compositions. Lipoic acid (LA) acts as a buffer in cancer therapy and in therapy of diseases associated with oxidative stress. The effect of LA on the catalytic functions of cytochrome P450 3A4 as the main enzyme of the biotransformation of drugs was studied. It was shown that LA in the concentration range of 50-200 μM affects the stage of electron transfer (stage of cytochrome P450 3A4 heme reduction), decreasing the cathodic reduction current by an average of 20 ± 5%. The kinetic parameters (k cat) of the N-demethylation reaction of erythromycin, the antibiotic of the macrolide group, used as a marker substrate for the comparative analysis of the catalytic activity of cytochrome P450 3A4, both in the presence of α-lipoic acid and in the cytochrome P450 3A4-erythromycin complex, amounted to comparable values of 3.5 ± 0.9 and 3.4 ± 0.9 min-1, respectively. Based on these experimental data, we can conclude that there is no significant effect of α-lipoic acid on the catalysis of cytochrome P450 3A4. These results can be projected on the possibility of using α-lipoic acid in complex therapy without negative impact on the enzymatic cytochrome P450 system. Methods The analysis was performed in electrochemical non-invasive model systems for recording the catalytic activity of cytochrome P450 3A4, using screen-printed electrodes, modified with membranous didodecyldimethylammonium bromide. Results It was shown that LA did not affect the N-demethylation of macrolide antibiotic erythromycin. Catalytic constant (k cat) of N-demethylation of erythromycin corresponds to 3.4 ± 0.9 min-1 and in the presence of LA corresponds to 3.5 ± 0.9 min-1. Conclusions Based on the obtained experimental data, we can conclude that there is no significant effect of α-lipoic acid on individual stages and processes of catalysis of cytochrome P450 3A4. LA can be recommended for inclusion in complex therapy as an antioxidant, antitoxic and chelating compound without negative impact on the enzymatic cytochrome P450 3A4 activity of the human body.
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Affiliation(s)
- Anna A Makhova
- Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Evgeniya V Shikh
- Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Tatiana V Bulko
- Institute of Biomedical Chemistry, Moscow, Russian Federation
| | | | | | - Victoria V Shumyantseva
- Institute of Biomedical Chemistry, Moscow, Russian Federation.,Pirogov Russian National Research Medical University, Moscow, Russian Federation
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Koroleva PI, Kuzikov AV, Masamrekh RA, Filimonov DA, Dmitriev AV, Zaviyalova MG, Rikova SM, Shich EV, Makhova AA, Bulko TV, Gilep AA, Shumyantseva VV. [Modeling of drug-drug interactions between omeprazole and erythromycin with cytochrome P450 3A4 in vitro assay]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2020; 66:241-249. [PMID: 32588830 DOI: 10.18097/pbmc20206603241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In the present study the electrochemical system based on recombinant cytochrome P450 3A4 (CYP3A4) was used for the investigation of potential drug-drug interaction between medicinal preparations employed for Helicobacter pylori eradication therapy. Drug interactions were demonstrated in association of omeprazole as a proton pump inhibitor (PPI) and macrolide antibiotic erythromycin during cytochrome P450 3A4-mediated metabolism. It was shown that in the presence of omeprazole the rate of N-demethylase activity of CYP3A4 to erythromycin measured by means of product (formaldehyde) formation decreased. Mass-spectrometry analysis of omeprazole sulfone as a CYP3A4-mediated metabolite demonstrated the absence of erythromycin influence on CYP3A4-dependent omeprazole metabolism. This phenomenon may be explained by lower spectral dissociation constant of CYP3A4-omeprazole complex (Kd = 18±2 μM) than that of CYP3A4-erythromycin complex (Kd = 52 μM). Using the electrochemical model of electrochemically-driven drug metabolism it is possible to register CYP3A4-mediated catalytic conversion of certain drugs. In vitro experiments of potential CYP3A4-mediated drug-drug interactions are in accordance with in silico modeling with program PASS and PoSMNA descriptors in the case of omeprazole/erythromycin combinations.
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Affiliation(s)
- P I Koroleva
- Institute of Biomedical Chemistry, Moscow, Russia
| | - A V Kuzikov
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia
| | - R A Masamrekh
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia
| | | | - A V Dmitriev
- Institute of Biomedical Chemistry, Moscow, Russia
| | | | - S M Rikova
- Sechenov First Moscow Medical State University (Sechenov University), Moscow, Russia
| | - E V Shich
- Sechenov First Moscow Medical State University (Sechenov University), Moscow, Russia
| | - A A Makhova
- Sechenov First Moscow Medical State University (Sechenov University), Moscow, Russia
| | - T V Bulko
- Institute of Biomedical Chemistry, Moscow, Russia
| | - A A Gilep
- Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, Minsk, Belarus
| | - V V Shumyantseva
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia
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Makhova AA, Shikh EV, Bulko TV, Sizova ZM, Shumyantseva VV. The influence of taurine and L-carnitine on 6 β-hydroxycortisol/cortisol ratio in human urine of healthy volunteers. Drug Metab Pers Ther 2019; 34:dmpt-2019-0013. [PMID: 31603853 DOI: 10.1515/dmpt-2019-0013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 08/16/2019] [Indexed: 12/21/2022]
Abstract
Background Cytochrome P450s (CYPs, EC 1.14.14.1) are the main enzymes of drug metabolism. The functional significance of CYPs also includes the metabolism of foreign chemicals and endogenic biologically active compounds. The CYP3A4 isoform contributes to the metabolism of about half of all marketed medicinal preparations. The aim of this study was to investigate the effects of two biologically active compounds: 2-aminoethane-sulfonic acid (taurine) and 3-hydroxy-4-trimethylaminobutyrate (L-carnitine) on urinary 6β-hydroxycortisol/cortisol (6β-OHC/cortisol) metabolic ratio as a biomarker of the CYP3A4 activity of healthy volunteers. Taurine is used for the treatment of chronic heart failure and liver disease. Cardiologists, nephrologists, neurologists, gerontologists in addition to the main etiopathogenetic therapies, use L-carnitine. The quantification of the 6β-OHC/cortisol metabolic ratio as a biomarker of CYP3A4 activity in human urine was used for the assessment of CYP3A4 catalytic activity as a non-invasive test. Methods The study included 18 healthy male volunteers (aged from 18 to 35 years old). The volunteers took taurine in a dose of 500 mg twice a day or L-carnitine in a dose of 2.5 mL 3 times a day for 14 consecutive days. The test drug was given 20 min before meals. The collection of urine samples was performed before and after 3, 7, 10, and 14 days after taurine intake. The metabolic ratio of 6β-OHC/cortisol in morning spot urine samples was studied by the liquid chromatography/mass spectroscopy (LC/MS) method. Results The ratio of 6-6β-OHC/cortisol was used as a biomarker to study the taurine and L-carnitine influence on CYP3A4 metabolism of cortisol. The ratio of urinary 6β-OCH/cortisol in the morning urine samples of volunteers before the beginning of taurine therapy (baseline ratio) was 2.71 ± 0.2. Seven days after the administration of taurine in a dose of 500 mg twice a day, the 6β-OCH/cortisol ratio was 3.3 ± 0.2, which indicated the increased catalytic activity of CYP3A4 towards cortisol. As for the L-carnitine supplementation, analysis of the 6β-OCH/cortisol ratio in the urine for 14 days did not show any significant changes in this baseline ratio, indicating the lack of L-carnitine influence on the catalytic activity of CYP3A4 to cortisol. Conclusions The results obtained demonstrated the influence of taurine on 6β-OCH/cortisol metabolic ratio as a biomarker of CYP3A4 catalytic activity to cortisol. L-carnitine did not affect the activity of CYP3A4. The lack of a clinically meaningful effect of L-carnitine was established.
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Affiliation(s)
- Anna A Makhova
- I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Eugenia V Shikh
- I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | | | - Zhanna M Sizova
- I.M. Sechenov First Moscow State Medical University, Moscow, Russia
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Masamrekh RA, Kuzikov AV, Haurychenka YI, Shcherbakov KA, Veselovsky AV, Filimonov DA, Dmitriev AV, Zavialova MG, Gilep AA, Shkel TV, Strushkevich NV, Usanov SA, Archakov AI, Shumyantseva VV. In vitro
interactions of abiraterone, erythromycin, and CYP3A4: implications for drug–drug interactions. Fundam Clin Pharmacol 2019; 34:120-130. [DOI: 10.1111/fcp.12497] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 06/12/2019] [Accepted: 07/04/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Rami A. Masamrekh
- Institute of Biomedical Chemistry Pogodinskaya Street, 10, Build 8 Moscow 119121 Russia
- Pirogov Russian National Research Medical University Ostrovityanova Street, 1 Moscow 117997 Russia
| | - Alexey V. Kuzikov
- Institute of Biomedical Chemistry Pogodinskaya Street, 10, Build 8 Moscow 119121 Russia
- Pirogov Russian National Research Medical University Ostrovityanova Street, 1 Moscow 117997 Russia
| | - Yaraslau I. Haurychenka
- Pirogov Russian National Research Medical University Ostrovityanova Street, 1 Moscow 117997 Russia
| | - Kirill A. Shcherbakov
- Institute of Biomedical Chemistry Pogodinskaya Street, 10, Build 8 Moscow 119121 Russia
| | | | - Dmitrii A. Filimonov
- Institute of Biomedical Chemistry Pogodinskaya Street, 10, Build 8 Moscow 119121 Russia
| | - Alexander V. Dmitriev
- Institute of Biomedical Chemistry Pogodinskaya Street, 10, Build 8 Moscow 119121 Russia
| | - Maria G. Zavialova
- Institute of Biomedical Chemistry Pogodinskaya Street, 10, Build 8 Moscow 119121 Russia
| | - Andrei A. Gilep
- Institute of Bioorganic Chemistry NASB 5 Academician V.F. Kuprevich Street, Build 2 Minsk BY‐220141 Belarus
| | - Tatsiana V. Shkel
- Institute of Bioorganic Chemistry NASB 5 Academician V.F. Kuprevich Street, Build 2 Minsk BY‐220141 Belarus
| | - Natallia V. Strushkevich
- Institute of Bioorganic Chemistry NASB 5 Academician V.F. Kuprevich Street, Build 2 Minsk BY‐220141 Belarus
| | - Sergey A. Usanov
- Institute of Bioorganic Chemistry NASB 5 Academician V.F. Kuprevich Street, Build 2 Minsk BY‐220141 Belarus
| | - Alexander I. Archakov
- Institute of Biomedical Chemistry Pogodinskaya Street, 10, Build 8 Moscow 119121 Russia
- Pirogov Russian National Research Medical University Ostrovityanova Street, 1 Moscow 117997 Russia
| | - Victoria V. Shumyantseva
- Institute of Biomedical Chemistry Pogodinskaya Street, 10, Build 8 Moscow 119121 Russia
- Pirogov Russian National Research Medical University Ostrovityanova Street, 1 Moscow 117997 Russia
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Kuzikov A, Masamrekh R, Shkel T, Strushkevich N, Gilep A, Usanov S, Archakov A, Shumyantseva V. Assessment of electrocatalytic hydroxylase activity of cytochrome P450 3A4 (CYP3A4) by means of derivatization of 6β-hydroxycortisol by sulfuric acid for fluorimetric assay. Talanta 2019; 196:231-236. [DOI: 10.1016/j.talanta.2018.12.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 12/12/2018] [Accepted: 12/13/2018] [Indexed: 12/29/2022]
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16
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Shumyantseva VV, Makhova AA, Shikh EV, Bulko TV, Kuzikov AV, Masamrekh RA, Shkel T, Usanov S, Gilep A, Archakov AI. Bioelectrochemical Systems as Technologies for Studying Drug Interactions Related to Cytochrome P450. BIONANOSCIENCE 2018. [DOI: 10.1007/s12668-018-0567-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Electrochemical oxidation of acetaminophen in the presence of diclofenac and piroxicam - Synthesis of new derivatives and kinetic investigation of toxic quinone imine/drugs interactions. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.09.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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18
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From electrochemistry to enzyme kinetics of cytochrome P450. Biosens Bioelectron 2018; 121:192-204. [PMID: 30218927 DOI: 10.1016/j.bios.2018.08.040] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 08/02/2018] [Accepted: 08/17/2018] [Indexed: 12/23/2022]
Abstract
This review is an attempt to describe advancements in the electrochemistry of cytochrome P450 enzymes (EC 1.14.14.1) and to study molecular aspects and catalytic behavior of enzymatic electrocatalysis. Electroanalysis of cytochrome P450 demonstrates how to translate theoretical laws and equations of classical electrochemistry for the calculation of the kinetic parameters of enzymatic reactions and then translation of kinetic parameters to interpretation of drug-drug interactions. The functional significance of cytochrome P450s (CYPs) includes the metabolism of drugs, foreign chemicals, and endogenic compounds. The pharmaceutical industry needs sensitive and cost-effective systems for screening new drugs and investigation of drug-drug interactions. The development of different types of CYP-based biosensors is now in great demand. This review also highlights the characteristics of electrode processes and electrode properties for optimization of the cytochrome P450 electroanalysis. Electrochemical cytochrome P450-biosensors are the most studied. In this review, we analyzed electrode/cytochrome P450 systems in terms of the mechanisms underlying P450-catalyzed reactions. Screening of potential substrates or inhibitors of cytochromes P450 by means of electrodes were described.
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Kuzikov AV, Masamrekh RA, Archakov AI, Shumyantseva VV. Methods for Determination of Functional Activity of Cytochrome P450 Isoenzymes. BIOCHEMISTRY MOSCOW-SUPPLEMENT SERIES B-BIOMEDICAL CHEMISTRY 2018. [DOI: 10.1134/s1990750818030046] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Kuzikov AV, Masamrekh RA, Archakov AI, Shumyantseva VV. [Methods for determining of cytochrome P450 isozymes functional activity]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2018; 64:149-168. [PMID: 29723145 DOI: 10.18097/pbmc20186402149] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The review is dedicated to modern methods and technologies for determining of cytochrome P450 isozymes functional activity, such as absorbance and fluorescent spectroscopy, electron paramagnetic resonance (EPR), nuclear magnetic resonance (NMR), Raman, Mossbauer, and X-ray spectroscopy, surface plasmon resonance (SPR), atomic force microscopy (AFM). Methods of molecular genetic analysis were reviewed from personalized medicine point of view. The use of chromate-mass-spectrometric methods for cytochrome P450-dependent catalytic reactions' products was discussed. The review covers modern electrochemical systems based on cytochrome P450 isozymes for their catalytic activity analysis, their use in practice and further development perspectives for experimental pharmacology, biotechnology and translational medicine.
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Affiliation(s)
- A V Kuzikov
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia
| | - R A Masamrekh
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia
| | - A I Archakov
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia
| | - V V Shumyantseva
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia
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21
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Castrignanò S, D'Avino S, Di Nardo G, Catucci G, Sadeghi SJ, Gilardi G. Modulation of the interaction between human P450 3A4 and B. megaterium reductase via engineered loops. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2017; 1866:116-125. [PMID: 28734977 DOI: 10.1016/j.bbapap.2017.07.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 07/09/2017] [Accepted: 07/17/2017] [Indexed: 10/19/2022]
Abstract
Chimerogenesis involving cytochromes P450 is a successful approach to generate catalytically self-sufficient enzymes. However, the connection between the different functional modules should allow a certain degree of flexibility in order to obtain functional and catalytically efficient proteins. We previously applied the molecular Lego approach to develop a chimeric P450 3A4 enzyme linked to the reductase domain of P450 BM3 (BMR). Three constructs were designed with the connecting loop containing no glycine, 3 glycine or 5 glycine residues and showed a different catalytic activity and coupling efficiency. Here we investigate how the linker affects the ability of P450 3A4 to bind substrates and inhibitors. We measure the electron transfer rates and the catalytic properties of the enzyme also in the presence of ketoconazole as inhibitor. The data show that the construct 3A4-5GLY-BMR with the longest loop better retains the binding ability and cooperativity for testosterone, compared to P450 3A4. In both 3A4-3GLY-BMR and 3A4-5GLY-BMR, the substrate induces an increase in the first electron transfer rate and a shorter lag phase related to a domain rearrangements, when compared to the construct without Gly. These data are consistent with docking results and secondary structure predictions showing a propensity to form helical structures in the loop of the 3A4-BMR and 3A4-3GLY-BMR. All three chimeras retain the ability to bind the inhibitor ketoconazole and show an IC50 comparable with those reported for the wild type protein. This article is part of a Special Issue entitled: Cytochrome P450 biodiversity and biotechnology, edited by Erika Plettner, Gianfranco Gilardi, Luet Wong, Vlada Urlacher, Jared Goldstone.
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Affiliation(s)
- Silvia Castrignanò
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, Torino, Italy
| | - Serena D'Avino
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, Torino, Italy
| | - Giovanna Di Nardo
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, Torino, Italy
| | - Gianluca Catucci
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, Torino, Italy
| | - Sheila J Sadeghi
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, Torino, Italy
| | - Gianfranco Gilardi
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, Torino, Italy.
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22
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Catucci G, Polignano I, Cusumano D, Medana C, Gilardi G, Sadeghi SJ. Identification of human flavin-containing monooxygenase 3 substrates by a colorimetric screening assay. Anal Biochem 2017; 522:46-52. [DOI: 10.1016/j.ab.2017.01.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Revised: 01/24/2017] [Accepted: 01/25/2017] [Indexed: 11/30/2022]
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Abstract
Electrochemistry has emerged as a powerful analytical technique for chemical analysis of living cells, biologically active molecules and metabolites. Electrochemical biosensor, microfluidics and mass spectrometry are the most frequently used methods for electrochemical detection and monitory, which comprise a collection of extremely useful measurement tools for various fields of biology and medicine. Most recently, electrochemistry has been shown to be coupled with nanotechnology and genetic engineering to generate new enabling technologies, providing rapid, selective, and sensitive detection and diagnosis platforms. The primary focus of this review is to highlight the utility of electrochemical strategies and their conjunction with other approaches for drug metabolism and discovery. Current challenges and possible future developments and applications of electrochemistry in drug studies are also discussed.
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Shumyantseva VV, Makhova AA, Bulko TV, Bernhardt R, Kuzikov AV, Shich EV, Kukes VG, Archakov AI. Taurine modulates catalytic activity of cytochrome P450 3A4. BIOCHEMISTRY (MOSCOW) 2015; 80:366-73. [DOI: 10.1134/s0006297915030116] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Bioelectrochemistry as a tool for the study of aromatization of steroids by human aromatase. Electrochem commun 2015. [DOI: 10.1016/j.elecom.2015.01.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Cytochrome P450 Enzymes and Electrochemistry: Crosstalk with Electrodes as Redox Partners and Electron Sources. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 851:229-46. [DOI: 10.1007/978-3-319-16009-2_9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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28
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Shumyantseva VV, Makhova AA, Bulko TV, Kuzikov AV, Shich EV, Kukes V, Archakov AI. Electrocatalytic cycle of P450 cytochromes: the protective and stimulating roles of antioxidants. RSC Adv 2015. [DOI: 10.1039/c5ra09998f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This study reports the investigation of the catalytic activity of isolated cytochromes from the cytochrome P450 superfamily. Electrochemically driven CYP reactions may have practical relevance, providing a useful tool for drug assay studies.
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Affiliation(s)
| | - A. A. Makhova
- I. M. Sechenov First Moscow State Medical University
- Russia
| | - T. V. Bulko
- Institute of Biomedical Chemistry
- Moscow 119121
- Russia
| | - A. V. Kuzikov
- Institute of Biomedical Chemistry
- Moscow 119121
- Russia
| | - E. V. Shich
- I. M. Sechenov First Moscow State Medical University
- Russia
| | - V. Kukes
- I. M. Sechenov First Moscow State Medical University
- Russia
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29
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Bi Y, Zhuang X, Zhu H, Song F, Liu Z, Liu S. Studies on metabolites and metabolic pathways of bulleyaconitine A in rat liver microsomes using LC-MSncombined with specific inhibitors. Biomed Chromatogr 2014; 29:1027-34. [DOI: 10.1002/bmc.3388] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Revised: 10/08/2014] [Accepted: 10/13/2014] [Indexed: 12/26/2022]
Affiliation(s)
- Yunfeng Bi
- National Centre of Mass Spectrometry in Changchun; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 People's Republic of China
- College of Food Science and Engineering; Jilin Agricultural University; Changchun 130118 China
| | - Xiaoyu Zhuang
- National Centre of Mass Spectrometry in Changchun; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 People's Republic of China
| | - Hongbin Zhu
- National Centre of Mass Spectrometry in Changchun; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 People's Republic of China
| | - Fengrui Song
- National Centre of Mass Spectrometry in Changchun; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 People's Republic of China
| | - Zhiqiang Liu
- National Centre of Mass Spectrometry in Changchun; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 People's Republic of China
| | - Shuying Liu
- National Centre of Mass Spectrometry in Changchun; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 People's Republic of China
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Kuzikov AV, Dugin NO, Stulov SV, Shcherbinin DS, Zharkova MS, Tkachev YV, Timofeev VP, Veselovsky AV, Shumyantseva VV, Misharin AY. Novel oxazolinyl derivatives of pregna-5,17(20)-diene as 17α-hydroxylase/17,20-lyase (CYP17A1) inhibitors. Steroids 2014; 88:66-71. [PMID: 24971814 DOI: 10.1016/j.steroids.2014.06.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Revised: 06/05/2014] [Accepted: 06/17/2014] [Indexed: 11/28/2022]
Abstract
New oxazolinyl derivatives of [17(20)E]-pregna-5,17(20)-diene: 2'-{[(E)-3β-hydroxyandrost-5-en-17-ylidene]methyl}-4',5'-dihydro-1',3'-oxazole 1 and 2'-{[(E)-3β-hydroxyandrost-5-en-17-ylidene]methyl}-4',4'-dimethyl-4',5'-dihydro-1',3'-oxazole 2 were evaluated as potential CYP17A1 inhibitors in comparison with 17-(pyridin-3-yl)androsta-5,16-dien-3β-ol 3 (abiraterone). Differential absorption spectra of human recombinant CYP17A1 in the presence of compound 1 (λmax=422 nm, λmin=386 nm) and compound 2 (λmax=416 nm) indicated significant differences in enzyme/inhibitors complexes. CYP17A1 activity was measured using electrochemical methods. Inhibitory activity of compound 1 was comparable with abiraterone 3 (IC50=0.9±0.1 μM, and IC50=1.3±0.1 μM, for compounds 1 and 3, respectively), while compound 2 was found to be weaker inhibitor (IC50=13±1 μM). Docking of aforementioned compounds to CYP17A1 revealed that steroid fragments of compound 1 and abiraterone 3 occupied close positions; oxazoline cycle of compound 1 was coordinated with heme iron similarly to pyridine cycle of abiraterone 3. Configuration of substituents at 17(20) double bond in preferred docked position corresponded to Z-isomers of compounds 1 and 2. Presence of 4'-substituents in oxazoline ring of compound 2 prevents coordination of oxazoline nitrogen with heme iron and worsens its docking score in comparison with compound 1. These data indicate that oxazolinyl derivative of [17(20)E]-pregna-5,17(20)-diene 1 (rather than 4',4'-dimethyl derivative 2) may be considered as potential CYP17A1 inhibitor and template for development of new compounds affecting growth and proliferation of prostate cancer cells.
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Affiliation(s)
- Alexey V Kuzikov
- Orekhovich Institute of Biomedical Chemistry RAMS, Moscow, Russia
| | - Nikita O Dugin
- Orekhovich Institute of Biomedical Chemistry RAMS, Moscow, Russia
| | - Sergey V Stulov
- Orekhovich Institute of Biomedical Chemistry RAMS, Moscow, Russia
| | | | - Maria S Zharkova
- Orekhovich Institute of Biomedical Chemistry RAMS, Moscow, Russia
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Suprun EV, Shumyantseva VV, Archakov AI. Protein Electrochemistry: Application in Medicine. A Review. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.03.089] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Bernhardt R, Urlacher VB. Cytochromes P450 as promising catalysts for biotechnological application: chances and limitations. Appl Microbiol Biotechnol 2014; 98:6185-203. [PMID: 24848420 DOI: 10.1007/s00253-014-5767-7] [Citation(s) in RCA: 248] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2014] [Revised: 04/08/2014] [Accepted: 04/09/2014] [Indexed: 01/08/2023]
Abstract
Cytochromes P450 (CYPs) belong to the superfamily of heme b containing monooxygenases with currently more than 21,000 members. These enzymes accept a vast range of organic molecules and catalyze diverse reactions. These extraordinary capabilities of CYP systems that are unmet by other enzymes make them attractive for biotechnology. However, the complexity of these systems due to the need of electron transfer from nicotinamide adenine dinucleotide (phosphate) (NAD(P)H) via redox partner proteins for the initial hydroxylation step limits a broader technical implementation of CYP enzymes. There have been several reviews during the past years tackling the potential CYPs for synthetic application. The aim of this review is to give a critical overview about possibilities and chances for application of these interesting catalysts as well as to discuss drawbacks and problems related to their use. Solutions to overcome these limitations will be demonstrated, and several selected examples of successful CYP applications under industrial conditions will be reviewed.
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Affiliation(s)
- Rita Bernhardt
- Institute of Biochemistry, Saarland University, 66123, Saarbrücken, Germany,
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34
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Wang M, Baaden M, Wang J, Liang Z. A cooperative mechanism of clotrimazoles in P450 revealed by the dissociation picture of clotrimazole from P450. J Chem Inf Model 2014; 54:1218-25. [PMID: 24611729 DOI: 10.1021/ci400660e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The dissociation processes of clotrimazole (CLT) in several models are comparatively investigated by molecular dynamics simulations to explore the cooperative mechanism of clotrimazoles in P450. Our results suggest that when P450 only accommodates the active CLT (CLT1), CLT1 continually diffuses away from heme, and the partial BC loop (residues 73-88) and the extended FG loop (residues 173-186) first close and then open. When the enzyme binds to two CLT molecules, CLT1 basically keeps close to heme, and the partial BC loop and the extended FG loop move close to each other. Clearly, the effector CLT (CLT2) plays a cooperative role in the inhibition of CLT1 on P450. CLT2 restrains the dissociation of CLT1 first through direct π-π stacking interactions and then through the rearranged binding site induced by CLT2. The presence of CLT1 can help to stabilize the protein structure around CLT2 by interacting with M86, Q173, and M174.
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Affiliation(s)
- Mian Wang
- School of Chemistry and Chemical Engineering, Guangxi University , Nanning 530004, China
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35
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Castrignanò S, Ortolani A, Sadeghi SJ, Di Nardo G, Allegra P, Gilardi G. Electrochemical detection of human cytochrome P450 2A6 inhibition: a step toward reducing dependence on smoking. Anal Chem 2014; 86:2760-6. [PMID: 24527722 DOI: 10.1021/ac4041839] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Inhibition of human cytochrome P450 2A6 has been demonstrated to play an important role in nicotine metabolism and consequent smoking habits. Here, the "molecular Lego" approach was used to achieve the first reported electrochemical signal of human CYP2A6 and to improve its catalytic efficiency on electrode surfaces. The enzyme was fused at the genetic level to flavodoxin from Desulfovibrio vulgaris (FLD) to create the chimeric CYP2A6-FLD. Electrochemical characterization by cyclic voltammetry shows clearly defined redox transitions of the haem domain in both CYP2A6 and CYP2A6-FLD. Electrocatalysis experiments using coumarin as substrate followed by fluorimetric quantification of the product were performed with immobilized CYP2A6 and CYP2A6-FLD. Comparison of the kinetic parameters showed that coumarin catalysis was carried out with a higher efficiency by the immobilized CYP2A6-FLD, with a calculated kcat value significantly higher (P < 0.005) than that of CYP2A6, whereas the affinity for the substrate (KM) remained unaltered. The chimeric system was also successfully used to demonstrate the inhibition of the electrochemical activity of the immobilized CYP2A6-FLD, toward both coumarin and nicotine substrates, by tranylcypromine, a potent and selective CYP2A6 inhibitor. This work shows that CYP2A6 turnover efficiency is improved when the protein is linked to the FLD redox module, and this strategy can be utilized for the development of new clinically relevant biotechnological approaches suitable for deciphering the metabolic implications of CYP2A6 polymorphism and for the screening of CYP2A6 substrates and inhibitors.
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Affiliation(s)
- Silvia Castrignanò
- Department of Life Sciences and Systems Biology, University of Torino , 10123 Torino, Italy
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37
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p-Aminothiophenol modification on gold surface improves stability for electrochemically driven cytochrome P450 microsome activity. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.10.170] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Sadeghi SJ, Gilardi G. Chimeric P450 enzymes: Activity of artificial redox fusions driven by different reductases for biotechnological applications. Biotechnol Appl Biochem 2013; 60:102-10. [DOI: 10.1002/bab.1086] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Accepted: 12/20/2012] [Indexed: 11/09/2022]
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Xue Q, Kato D, Kamata T, Guo Q, You T, Niwa O. Human cytochrome P450 3A4 and a carbon nanofiber modified film electrode as a platform for the simple evaluation of drug metabolism and inhibition reactions. Analyst 2013; 138:6463-8. [DOI: 10.1039/c3an01313h] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Di Nardo G, Gilardi G. Optimization of the bacterial cytochrome P450 BM3 system for the production of human drug metabolites. Int J Mol Sci 2012; 13:15901-24. [PMID: 23443101 PMCID: PMC3546669 DOI: 10.3390/ijms131215901] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Revised: 11/01/2012] [Accepted: 11/13/2012] [Indexed: 12/28/2022] Open
Abstract
Drug metabolism in human liver is a process involving many different enzymes. Among them, a number of cytochromes P450 isoforms catalyze the oxidation of most of the drugs commercially available. Each P450 isoform acts on more than one drug, and one drug may be oxidized by more than one enzyme. As a result, multiple products may be obtained from the same drug, and as the metabolites can be biologically active and may cause adverse drug reactions (ADRs), the metabolic profile of a new drug has to be known before this can be commercialized. Therefore, the metabolites of a certain drug must be identified, synthesized and tested for toxicity. Their synthesis must be in sufficient quantities to be used for metabolic tests. This review focuses on the progresses done in the field of the optimization of a bacterial self-sufficient and efficient cytochrome P450, P450 BM3 from Bacillus megaterium, used for the production of metabolites of human enzymes. The progress made in the improvement of its catalytic performance towards drugs, the substitution of the costly NADPH cofactor and its immobilization and scale-up of the process for industrial application are reported.
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Affiliation(s)
- Giovanna Di Nardo
- Department of Life Sciences and Systems Biology, University of Torino, via Accademia Albertina 13, 10123 Torino, Italy; E-Mail:
| | - Gianfranco Gilardi
- Department of Life Sciences and Systems Biology, University of Torino, via Accademia Albertina 13, 10123 Torino, Italy; E-Mail:
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Tsotsou GE, Di Nardo G, Sadeghi SJ, Fruttero R, Lazzarato L, Bertinaria M, Gilardi G. A rapid screening for cytochrome P450 catalysis on new chemical entities: cytochrome P450 BM3 and 1,2,5-oxadiazole derivatives. ACTA ACUST UNITED AC 2012; 18:211-8. [PMID: 22983164 DOI: 10.1177/1087057112459351] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This work presents the validation of a rapid screening procedure for the catalysis of cytochrome P450 on new chemical entities. The assay is tested on the prototypical, catalytically self-sufficient and soluble cytochrome P450 BM3 from Bacillus megaterium that shares a high degree of homology with mammalian counterparts. The so-called alkali assay developed in our laboratory is validated here also by product formation and molecular modeling on a number of derivatives sharing the molecular scaffold of the 1,2,5-oxadiazole ring, a class of molecules very different from the long-chain fatty acids known to be oxidized by cytochrome P450 BM3. The alkali assay reveals the ability of this cytochrome to oxidize NADPH in the presence of nine out of thirteen 1,2,5-oxadiazole derivatives tested. The enzyme shows high affinity and coupling efficiencies when incubated with four 1,2,5-oxadiazole derivatives. The presence of oxidation products deriving from catalysis was also confirmed by high-performance liquid chromatography (HPLC). Molecular docking suggests that a key factor for the 1,2,5-oxadiazole derivatives to enter the active site and induce catalysis is the presence of the -SO(2) moiety bridging the 1,2,5-oxadiazole and phenyl rings. These data indicate that the alkali assay is able to quickly and cheaply detect the recognition of new substrates by cytochrome P450. The assay is not intended to substitute HPLC-mass spectrometry analysis, but it is a preliminary screening that allows elimination of obvious nonsubstrates from the start.
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Affiliation(s)
- Georgia E Tsotsou
- Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy
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Rua F, Sadeghi SJ, Castrignanò S, Di Nardo G, Gilardi G. Engineering Macaca fascicularis cytochrome P450 2C20 to reduce animal testing for new drugs. J Inorg Biochem 2012; 117:277-84. [PMID: 22819650 DOI: 10.1016/j.jinorgbio.2012.05.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2012] [Revised: 05/16/2012] [Accepted: 05/30/2012] [Indexed: 11/16/2022]
Abstract
In order to develop in vitro methods as an alternative to P450 animal testing in the drug discovery process, two main requisites are necessary: 1) gathering of data on animal homologues of the human P450 enzymes, currently very limited, and 2) bypassing the requirement for both the P450 reductase and the expensive cofactor NADPH. In this work, P450 2C20 from Macaca fascicularis, homologue of the human P450 2C8 has been taken as a model system to develop such an alternative in vitro method by two different approaches. In the first approach called "molecular Lego", a soluble self-sufficient chimera was generated by fusing the P450 2C20 domain with the reductase domain of cytochrome P450 BM3 from Bacillus megaterium (P450 2C20/BMR). In the second approach, the need for the redox partner and also NADPH were both obviated by the direct immobilization of the P450 2C20 on glassy carbon and gold electrodes. Both systems were then compared to those obtained from the reconstituted P450 2C20 monooxygenase in presence of the human P450 reductase and NADPH using paclitaxel and amodiaquine, two typical drug substrates of the human P450 2C8. The K(M) values calculated for the 2C20 and 2C20/BMR in solution and for 2C20 immobilized on electrodes modified with gold nanoparticles were 1.9 ± 0.2, 5.9 ± 2.3, 3.0 ± 0.5 μM for paclitaxel and 1.2 ± 0.2, 1.6±0.2 and 1.4 ± 0.2 μM for amodiaquine, respectively. The data obtained not only show that the engineering of M. fascicularis did not affect its catalytic properties but also are consistent with K(M) values measured for the microsomal human P450 2C8 and therefore show the feasibility of developing alternative in vitro animal tests.
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Affiliation(s)
- Francesco Rua
- Department of Life Sciences and Systems Biology, University of Torino, Italy
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