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Zhdanov DD, Ivin YY, Shishparenok AN, Kraevskiy SV, Kanashenko SL, Agafonova LE, Shumyantseva VV, Gnedenko OV, Pinyaeva AN, Kovpak AA, Ishmukhametov AA, Archakov AI. Perspectives for the creation of a new type of vaccine preparations based on pseudovirus particles using polio vaccine as an example. Biomed Khim 2023; 69:253-280. [PMID: 37937429 DOI: 10.18097/pbmc20236905253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Traditional antiviral vaccines are currently created by inactivating the virus chemically, most often using formaldehyde or β-propiolactone. These approaches are not optimal since they negatively affect the safety of the antigenic determinants of the inactivated particles and require additional purification stages. The most promising platforms for creating vaccines are based on pseudoviruses, i.e., viruses that have completely preserved the outer shell (capsid), while losing the ability to reproduce owing to the destruction of the genome. The irradiation of viruses with electron beam is the optimal way to create pseudoviral particles. In this review, with the example of the poliovirus, the main algorithms that can be applied to characterize pseudoviral particles functionally and structurally in the process of creating a vaccine preparation are presented. These algorithms are, namely, the analysis of the degree of genome destruction and coimmunogenicity. The structure of the poliovirus and methods of its inactivation are considered. Methods for assessing residual infectivity and immunogenicity are proposed for the functional characterization of pseudoviruses. Genome integrity analysis approaches, atomic force and electron microscopy, surface plasmon resonance, and bioelectrochemical methods are crucial to structural characterization of the pseudovirus particles.
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Affiliation(s)
- D D Zhdanov
- Institute of Biomedical Chemistry, Moscow, Russia
| | - Yu Yu Ivin
- Institute of Biomedical Chemistry, Moscow, Russia; Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Moscow, Russia
| | | | | | | | | | - V V Shumyantseva
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - O V Gnedenko
- Institute of Biomedical Chemistry, Moscow, Russia
| | - A N Pinyaeva
- Institute of Biomedical Chemistry, Moscow, Russia; Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Moscow, Russia
| | - A A Kovpak
- Institute of Biomedical Chemistry, Moscow, Russia
| | - A A Ishmukhametov
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Moscow, Russia
| | - A I Archakov
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
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Masamrekh RA, Kuzikov AV, Filippova TA, Sherbakov KA, Veselovsky AV, Shumyantseva VV. Interaction of Abiraterone and Its Pharmacologically Active Metabolite D4A with Cytochrome P450 2C9 (CYP2C9). Biochem Moscow Suppl Ser B 2022. [DOI: 10.1134/s1990750822040059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Shumyantseva VV, Koroleva PI, Gilep AA, Napolskii KS, Ivanov YD, Kanashenko SL, Archakov AI. Increasing the Efficiency of Cytochrome P450 3A4 Electrocatalysis Using Electrode Modification with Spatially Ordered Anodic Aluminum Oxide-Based Nanostructures for Investigation of Metabolic Transformations of Drugs. DOKL BIOCHEM BIOPHYS 2022; 506:215-219. [DOI: 10.1134/s1607672922050131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/06/2022] [Accepted: 07/11/2022] [Indexed: 04/07/2023]
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Masamrekh RA, Kuzikov AV, Filippova TA, Sherbakov KA, Veselovsky AV, Shumyantseva VV. [The interactions of abiraterone and its pharmacologically active metabolite D4A with cytochrome P450 2C9 (CYP2C9)]. Biomed Khim 2022; 68:201-211. [PMID: 35717584 DOI: 10.18097/pbmc20226803201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Interactions of cytochrome P450 2C9 (CYP2C9) were studied with the antitumor drug abiraterone and its pharmacologically active metabolite D4A, promising as an agent for prostate cancer treatment. It was shown by absorption spectroscopy, that both investigated compounds induced spectral changes of CYP2C9, indicating interactions of the pyridine nitrogen atom with the heme iron ion of the active site of the enzyme, but interactions of the ligands with the enzyme could be mediated by a water molecule bound to the heme iron ion. Based on the spectral changes, the values of dissociation constants (KS) for complexes of abiraterone and D4A with CYP2C9 were calculated as 1.73±0.14 μM and 3.95±0.16 μM. Both compounds inhibited O-demethylase activity of CYP2C9 towards its substrate. At 100 μM concentration of naproxen the concentrations of abiraterone, D4A and sulfaphenazole inhibiting CYP2C9 activity by 50% (IC50) were determined as 13.9 μM, 40 μM and 41 μM, respectively. The obtained results can be used for prognosis of drug-drug interactions at CYP2C9 level during administration of abiraterone or D4A as an antitumor agent for prostate cancer treatment in complex pharmacotherapy.
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Affiliation(s)
- R A Masamrekh
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - A V Kuzikov
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - T A Filippova
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | | | - A V Veselovsky
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - V V Shumyantseva
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
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Agafonova LE, Bulko TV, Kuzikov AV, Masamrekh RA, Shumyantseva VV. Sensors for analysis of drugs, drug-drug interactions, and catalytic activity of enzymes. BRSMU 2022. [DOI: 10.24075/brsmu.2022.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Development of highly sensitive methods for drug analysis is an ongoing challenge posed by modern bioanalytical and pharmaceutical chemistry. Drug analysis is essential to monitor the quality and purity of pharmaceuticals, study the delivery vehicles for therapeutic agents, to assess the effectiveness of the substance incorporation into the drug delivery system, to estimate the kinetic parameters of reactions, catalyzed by enzymes involved in xenobiotic metabolism, and to study the mechanisms of the drug-DNA interactions from the perspective of pharmacogenomics. The study was aimed to develop an electrochemical technique for detection of a number of drugs. The method is based on electrochemical oxidation of organic molecules at positive potentials between +(0÷1.6) V. The commercially available three-contact electrodes obtained by screen printing with unmodified graphite working electrode were used for analysis. It is shown that electrochemical technique allows for simultaneous detection of several compounds at various working electrode potentials, and for detection of drugs over a wide range of the clinically meaningful drug concentrations (50 µM – 10 mМ), which could be used when working with biological fluids (blood plasma, blood serum, blood, urine), as well as when performing drug monitoring and drug–drug interaction analysis.
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Affiliation(s)
- LE Agafonova
- Institute of Biomedical Chemistry (IBMC), Moscow, Russia
| | - TV Bulko
- Institute of Biomedical Chemistry (IBMC), Moscow, Russia
| | - AV Kuzikov
- Institute of Biomedical Chemistry (IBMC), Moscow, Russia
| | - RA Masamrekh
- Institute of Biomedical Chemistry (IBMC), Moscow, Russia
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Shumyantseva VV, Bulko TV, Gnedenko OV, Yablokov EO, Usanov SA, Ivanov AS. [Adrenodoxins and their role in the cytochrome P450 systems]. Biomed Khim 2022; 68:47-54. [PMID: 35221296 DOI: 10.18097/pbmc20226801047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The role of partner proteins in the formation of functional complexes in cytochrome P450 systems was investigated by means of optical biosensor technique. Kinetic constants and equilibrium dissociation constants of complexes of cytochrome CYP11A1 (P450scc) with wild-type adrenodoxin (Adx WT) and mutant forms of adrenodoxin R106D and D109R were determined using an optical biosensor. Wild-type adrenodoxin (Kd = (1.23±0.09)⋅10⁻⁶ M) and mutant D109R (Kd = (2.37±0.09)⋅10⁻⁸ M) formed complexes with cytochrome P450scc. For the R106D mutant, no complex formation was detected. To investigate the possibility of the participation of adrenodoxins and their mutant variants in the process of electron transfer as electron donors in mitochondrial cytochrome P450 systems, the electrochemical properties of these iron-sulfur proteins Adx WT and mutant forms of adrenodoxins were studied. Adx WT, mutant forms R106D and D109R have redox potentials E1/2 significantly more negative than cytochromes P450 (-579±10 mV, -590±15 mV, and -528±10 mV, respectively). These results suggest that Adx WT and mutant forms may be electron donors in the cytochrome P450 systems.
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Affiliation(s)
- V V Shumyantseva
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - T V Bulko
- Institute of Biomedical Chemistry, Moscow, Russia
| | - O V Gnedenko
- Institute of Biomedical Chemistry, Moscow, Russia
| | - E O Yablokov
- Institute of Biomedical Chemistry, Moscow, Russia
| | - S A Usanov
- Institute of Bioorganic Chemistry, Minsk, Belarus
| | - A S Ivanov
- Institute of Biomedical Chemistry, 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. Biochem Moscow Suppl Ser B 2021. [DOI: 10.1134/s1990750821010030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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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]. Biomed Khim 2020; 66:241-249. [PMID: 32588830 DOI: 10.18097/pbmc20206603241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [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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Kuzikov AV, Bulko TV, Koroleva PI, Masamrekh RA, Babkina SS, Gilep AA, Shumyantseva VV. [Electroanalytical and electrocatalytical characteristics of cytochrome P450 3A4 using electrodes modified with nanocomposite carbon nanomaterials]. Biomed Khim 2020; 66:64-70. [PMID: 32116227 DOI: 10.18097/pbmc20206601064] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The electroanalytical characteristics of recombinant cytochrome P450 3A4 (P450 3A4) immobilized on the surface of screen-printed graphite electrodes modified with multi-walled carbon nanotubes have been studied. The role and the influence of graphite working electrode modification with carbon nanotubes on electroanalytical characteristics of cytochrome P450 3A4 have been demonstrated. The conditions for the immobilization of cytochrome P450 3A4 on the obtained screen-printed graphite electrodes modified with carbon multi-walled nanotubes have been optimized. The electrochemical parameters of the oxidation and reduction of the heme iron of the enzyme have been estimated. The midpoint potential E0' was -0.35±0.01 V vs Ag/AgCl; the calculated heterogeneous electron transfer rate constant ks, was 0.57±0.04 s-1; the amount of electroactive cytochrome P450 3A4 on the electrode Г0, was determined as (2.6±0.6)⋅10-10 mol/cm2. The functioning mechanism of P450 3A4-based electrochemical sensor followed the "protein film voltammetry". In order to develop electrochemical analysis of drugs being substrates of that hemoprotein and respective medical biosensors the voltammetric study of catalytic activity of immobilized cytochrome P450 3A4 was carried out. Electrocatalytic properties of cytochrome P450 3A4, immobilized on modified screen-printed graphite electrodes, has been investigated using erythromycin (macrolide antibiotics). It has been shown that the modification of electrodes plays a decisive role for the study of the properties of cytochromes P450 in electrochemical investigations. Smart electrodes can serve as sensors for analytical purposes, as well as electrocatalysts for the study of biotransformation processes and metabolic processes. Electrodes modified with carbon nanomaterials are applicable for analytical purposes in the registration of hemoproteins. Electrodes modified with synthetic membrane-like compounds (e.g. didodecyldimethylammonium bromide) are effective in enzyme-dependent electrocatalysis.
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Affiliation(s)
- A V Kuzikov
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - T V Bulko
- Institute of Biomedical Chemistry, Moscow, Russia
| | - P I Koroleva
- Institute of Biomedical Chemistry, Moscow, Russia
| | - R A Masamrekh
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - S S Babkina
- Russian Technological University, Moscow, Russia
| | - A A Gilep
- Institute of Bioorganic Chemistry, Minsk, Belarus
| | - V V Shumyantseva
- Institute of Biomedical Chemistry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
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Kuzikov AV, Masamrekh RA, Shumyantseva VV, Archakov AI. A New Method for Quantitative Determination of Steroid Metabolites of Cytochrome P450-Dependent Reactions Using Fluorescent Spectroscopy. DOKL BIOCHEM BIOPHYS 2019; 483:302-305. [PMID: 30607725 DOI: 10.1134/s1607672918060054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Indexed: 11/23/2022]
Abstract
A method for determination of hydroxylase activity of cytochrome P450 3A4 (CYP3A4) towards its substrate hydrocortisone using fluorescent analysis of the product was developed. 6β-hydroxycortisol, formed during CYP3A4-dependent electrocatalysis, has a characteristic fluorescent peak at λ = 427 ± 2 nm after treating with the sulfuric acid : ethanol (3 : 1) mixture and excitation at λ = 365 nm, which is different from the substrate (hydrocortisone) fluorescence (λ = 525 ± 2 nm). The limit of detection of 6β-hydroxycortisol was 0.32 μM. The developed analytical approach was used to determine the kinetic parameters of CYP3A4-dependent hydrocortisone hydroxylation.
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Affiliation(s)
- A V Kuzikov
- Institute of Biomedical Chemistry, ul. Pogodinskaya 10, str. 8, Moscow, 119121, Russia.,Pirogov Russian National Research Medical University, ul. Ostrovityanova 1, Moscow, 117997, Russia
| | - R A Masamrekh
- Institute of Biomedical Chemistry, ul. Pogodinskaya 10, str. 8, Moscow, 119121, Russia.,Pirogov Russian National Research Medical University, ul. Ostrovityanova 1, Moscow, 117997, Russia
| | - V V Shumyantseva
- Institute of Biomedical Chemistry, ul. Pogodinskaya 10, str. 8, Moscow, 119121, Russia. .,Pirogov Russian National Research Medical University, ul. Ostrovityanova 1, Moscow, 117997, Russia.
| | - A I Archakov
- Institute of Biomedical Chemistry, ul. Pogodinskaya 10, str. 8, Moscow, 119121, Russia.,Pirogov Russian National Research Medical University, ul. Ostrovityanova 1, Moscow, 117997, Russia
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Kuzikov AV, Masamrekh RA, Archakov AI, Shumyantseva VV. Methods for Determination of Functional Activity of Cytochrome P450 Isoenzymes. Biochem Moscow Suppl Ser B 2018. [DOI: 10.1134/s1990750818030046] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [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]. Biomed Khim 2018; 64:149-168. [PMID: 29723145 DOI: 10.18097/pbmc20186402149] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [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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Shumyantseva VV, Bulko TV, Sigolaeva LV, Kuzikov AV, Archakov AI. Polymer matrices with molecular memory as affine adsorbents for the determination of myoglobin as a cardiac marker of acute myocardial infarction by voltammetry. J Anal Chem 2017. [DOI: 10.1134/s106193481704013x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Suprun EV, Zharkova MS, Veselovsky AV, Archakov AI, Shumyantseva VV. Electrochemical oxidation of thrombin on carbon screen printed electrodes. RUSS J ELECTROCHEM+ 2017. [DOI: 10.1134/s1023193517010141] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Voeikova TA, Shebanova AS, Ivanov YD, Kaysheva AL, Novikova LM, Zhuravliova OA, Shumyantseva VV, Shaitan KV, Kirpichnikov MP, Debabov VG. The role of proteins of the outer membrane of Shewanella oneidensis MR-1 in the formation and stabilization of silver sulfide nanoparticles. APPL BIOCHEM MICRO+ 2017. [DOI: 10.1134/s0003683816080081] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Shumyantseva VV, Bulko TV, Sigolaeva LV, Kuzikov AV, Archakov AI. Electroanalysis of myoglobin based on electropolymerized molecularly imprinted polymer poly-o-phenylenediamine and carbon nanotubes/screen printed electrode. DOKL BIOCHEM BIOPHYS 2016; 468:213-6. [DOI: 10.1134/s1607672916030157] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Indexed: 11/23/2022]
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Stulov SV, Dugin NO, Zharkova MS, Shcherbinin DS, Kuzikov AV, Shumyantseva VV, Misharin AY, Veselovsky AV. [Interaction of novel oxazoline derivatives of 17(20)e-pregna-5,17(20)-diene with cytochrome P450 17A1]. Biomed Khim 2016; 62:38-44. [PMID: 26973185 DOI: 10.18097/pbmc20166201038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In order to find novel inhibitors of 17a-hydroxylase-17,20-lyase (cytochrome P450 17A1, CYP17A1), a key enzyme of biosynthesis of androgens, molecular docking of six new oxazoline-containing derivatives 17(20)E-pregna-5,17(20)-diene has been carried out to the active site of the crystal structure of CYP17A1 (pdb 3ruk). Results of this study indicate that: 1) complex formation of docked compounds with CYP17A1 causes their isomerization in energetically less favorable 17(20)Z-isomer; 2) the localization of the steroid moiety of all compounds in the active site is basically the same; 3) the structure of the oxazoline moiety significantly influences its position relative to heme as well as the energy of complex formation; 4) coordination of the nitrogen atom of the oxazoline moiety and the heme iron is only possible in the 17(20)Z-conformation with anti oriented double bonds 17(20), and C=N; 5) the presence of two substituents at C4' of the oxazoline moiety significantly impairs ligand binding; 6) oxazoline--and benzoxazole-containing derivatives 17(20)E-pregna-5,17(20)-diene can effectively inhibit the catalytic activity CYP17A1 and may be of interest as a basis for the development of new drugs for the treatment of androgen-dependent cancer.
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Affiliation(s)
- S V Stulov
- Institute of Biomedical Chemistry, Moscow, Russia
| | - N O Dugin
- Institute of Biomedical Chemistry, Moscow, Russia
| | - M S Zharkova
- Institute of Biomedical Chemistry, Moscow, Russia
| | | | - A V Kuzikov
- Institute of Biomedical Chemistry, Moscow, Russia
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Kuzikov AV, Bulko TV, Masamrekh RA, Makhova AA, Archakov AI, Usanov SA, Shikh EV, Shumyantseva VV. Analysis of mildronate effect on the catalytic activity of cytochrome Р450 3А4. Bulletin of RSMU 2016. [DOI: 10.24075/brsmu.2016-06-02] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Radko SP, Khmeleva SA, Suprun EV, Kozin SA, Bodoev NV, Makarov AA, Archakov AI, Shumyantseva VV. [Physico-chemical methods for studing β-amyloid aggregation]. Biomed Khim 2015; 61:203-18. [PMID: 25978387 DOI: 10.18097/pbmc20156102203] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Alzheimer's disease is the most prevalent neurodegenerative pathology. According to the amyloid cascade hypothesis, a key event of the Alzheimer's disease pathogenesis is a transition of the β-amyloid peptide (Аβ) from the monomeric form to the aggregated state. The mechanism of Аβ aggregation is intensively studied in vitro, by means of synthetic peptides and various physico-chemical methods allowing evaluation of size, molecular structure, and morphology of the formed aggregates. The paper reviews both the well-known and recently introduced physico-chemical methods for analysis of Аβ aggregation, including microscopу, optical and fluorescent methods, method of electron paramagnetic resonance, electrochemical and electrophoretic methods, gel-filtration, and mass spectrometric methods. Merits and drawbacks of the methods are discussed. The unique possibility to simultaneously observe Аβ monomers as well oligomers and large aggregates by means of atomic force microscopy or fluorescence correlation spectroscopy is emphasized. The high detection sensitivity of the latter method, monitoring the aggregation process in Аβ solutions at low peptide concentrations is underlined. Among mass spectrometric methods, the ion mobility mass spectrometry is marked out as a method enabling to obtain information about both the spectrum of Аβ oligomers and their structure. It is pointed out that the use of several methods giving the complementary data about Аβ aggregates is the best experimental approach to studying the process of b-amyloid peptide aggregation in vitro.
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Affiliation(s)
- S P Radko
- Institute of Biomedical Chemistry, Moscow, Russia; Engelhardt Institute of Molecular Biology, Moscow, Russia
| | - S A Khmeleva
- Institute of Biomedical Chemistry, Moscow, Russia
| | - E V Suprun
- Institute of Biomedical Chemistry, Moscow, Russia
| | - S A Kozin
- Engelhardt Institute of Molecular Biology, Moscow, Russia
| | - N V Bodoev
- Institute of Biomedical Chemistry, Moscow, Russia
| | - A A Makarov
- Engelhardt Institute of Molecular Biology, Moscow, Russia
| | - A I Archakov
- Institute of Biomedical Chemistry, Moscow, Russia
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Shumyantseva VV, Bulko TV, Kuzikov AV, Khan R, Archakov AI. [Functionalization of screen printed electrodes with organic-inorganic hybrid nano-composites for bio-sensing applications]. Biomed Khim 2015; 61:474-9. [PMID: 26350738 DOI: 10.18097/pbmc20156104474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
New types of organic-inorganic hybrid nanocomposites based on nanosized Titanium (IV) oxide TiO2 (<100 nm particle size) and carbon nanotubes (CNT, outer diameter 10-15 nm, inner diamentre 2-6 nm, length 0.1-10 µm) and phosphatidilcholine were elaborated for improvement of analytical characteristics of screen printed electrodes. These nanomaterials were employed as an interface for the immobilization of skeletal myoglobin. Electrochemical behavior of myoglobin on such interfaces was characterized with cyclic voltammetry (CV) and square wave voltammetry (SWV). Direct unmediated electron transfer between myoglobin and electrodes modified with organic-inorganic hybrid nanocomposites was registered. TiO2 film and CNT film are biocompartible nanomaterials for myoglobin as was demonstrated with UV-Vis spectra. The midpoint potential of Fe3+/Fe2+ pair of myoglobin corresponded to Е1/2=-0,263 V for CNT film, and Е1/2=-0,468 V for TiO2 nanocomposite (vs. Ag/AgCl reference electrode).
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Affiliation(s)
| | - T V Bulko
- Institute of Biomedical Chemistry, Moscow, Russia
| | - A V Kuzikov
- Institute of Biomedical Chemistry, Moscow, Russia
| | - R Khan
- Analytical Chemistry Division, CSIR-North East Institute of Science & Technology, Jorhat, Assam, India
| | - A I Archakov
- Institute of Biomedical Chemistry, Moscow, Russia
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Shumyantseva VV, Shebanova AS, Chalenko YM, Voeikova TA, Kirpichnikov MP, Shaitan KV, Debabov VG. Electroanalysis of Shewanella oneidensis MR-1. DOKL BIOCHEM BIOPHYS 2015; 464:325-8. [PMID: 26518560 DOI: 10.1134/s1607672915050154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Indexed: 11/22/2022]
Abstract
Electrochemical parameters of bacterial cells Shewanella oneidensis MR-1 were investigated. For registration of the direct electron transfer between S. oneidensis MR-1 and electrode, bacterial cells were pretreated with didodecyldimethylammonium bromide (DDAB), a synthetic membrane-like substance of polycationic nature that exhibits membrane-loosening properties. Such pretreatment of S. oneidensis MR-1 allowed increasing the efficiency of extracellular electron transfer by the proteobacterium due to better availability of electroactive proteins for registration of electron transfer processes. The electroanalysis of bacterial cells S. oneidensis MR-1 under anaerobic conditions allows registering redox-active proteins and biomolecules in the range of potentials of-0.40,-0.16, and-0 V, which corresponds to flavohemoproteins, quinone derivatives, and c-type cytochromes of the external membrane of S. oneidensis MR-1 cells.
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Affiliation(s)
- V V Shumyantseva
- Orekhovich Institute of Biomedical Chemistry of the Russian Academy of Medical Sciences, ul. Pogodinskaya 10/8, Moscow, 119121, Russia.
| | | | - Ya M Chalenko
- Orekhovich Institute of Biomedical Chemistry of the Russian Academy of Medical Sciences, ul. Pogodinskaya 10/8, Moscow, 119121, Russia
| | - T A Voeikova
- State Research Institute for Genetics and Selection of Industrial Microorganisms, 1 Dorozhnyi pr. 1, Moscow, 117545, Russia
| | | | - K V Shaitan
- Moscow State University, Moscow, 119991, Russia.,Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119991, Russia
| | - V G Debabov
- State Research Institute for Genetics and Selection of Industrial Microorganisms, 1 Dorozhnyi pr. 1, Moscow, 117545, Russia
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Shumyantseva VV, Bulko TV, Sigolaeva LV, Kuzikov AV, Shatskaya MA, Archakov AI. Electrosynthesis and binding properties of molecularly imprinted poly-o-phenylenediamine as artificial antibodies for electroanalysis of myoglobin. DOKL BIOCHEM BIOPHYS 2015; 464:275-8. [DOI: 10.1134/s1607672915050038] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Indexed: 01/07/2023]
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Gnedenko OV, Ivanov AS, Yablokov EO, Usanov SA, Mukha DV, Sergeev GV, Kuzikov AV, Bulko TV, Moskaleva NE, Shumyantseva VV, Archakov AI. [Protein-protein interactions of cytochromes P450 3A4 and 3A5 with their intermediate redox partners cytochromes b5]. Biomed Khim 2015; 61:468-73. [PMID: 26350737 DOI: 10.18097/pbmc20156104468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Molecular interactions between proteins redox partners (cytochromes Р450 3А4, 3А5 and cytochrome b5) within the monooxygenase system, which is known to be involved in drug biotransformation, were investigated. Human cytochromes Р450 3А4 and 3А5 (CYP3A4 and CYP3A5) form complexes with various cytochromes b5: the microsomal (b5mc) and mitochondrial (b5om) forms of this protein, as well as with 2 "chimeric" proteins, b5(om-mc), b5(mc-om). Kinetic constants and equilibrium dissociation constants were determined by the SPR biosensor. Essential distinction between CYP3A4 and CYP3A5 was only observed upon their interactions with cytochrome b5om. Electroanalytical characteristics of electrodes with immobilized hemoproteins were obtained. The electrochemical analysis of CYP3A4, CYP3A5, b5mc, b5om, b5(om-mc), and b5(mc-om) immobilized on screen printed graphite electrodes modified with membranous matrix revealed that these proteins have very close reduction potentials -0.435 -0.350 V (vs. Ag/AgCl). Cytochrome b5mc was shown to be capable of stimulating the electrocatalytic activity of CYP3A4 in the presence of its substrate testosterone.
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Affiliation(s)
- O V Gnedenko
- Institute of Biomedical Chemistry, Moscow, Russia
| | - A S Ivanov
- Institute of Biomedical Chemistry, Moscow, Russia
| | - E O Yablokov
- Institute of Biomedical Chemistry, Moscow, Russia
| | - S A Usanov
- Institute of Bioorganic Chemistry of NAS, Minsk, Belarus
| | - D V Mukha
- Institute of Bioorganic Chemistry of NAS, Minsk, Belarus
| | - G V Sergeev
- Institute of Bioorganic Chemistry of NAS, Minsk, Belarus
| | - A V Kuzikov
- Institute of Biomedical Chemistry, Moscow, Russia
| | | | | | | | - A I Archakov
- Institute of Biomedical Chemistry, Moscow, Russia
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Radko SP, Khmeleva SA, Suprun EV, Kozin SA, Bodoev NV, Makarov AA, Archakov AI, Shumyantseva VV. Physico-chemical methods for studying amyloid-β aggregation. Biochem Moscow Suppl Ser B 2015. [DOI: 10.1134/s1990750815030075] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Shumyantseva VV, Bulko TV, Suprun EV, Kuzikov AV, Agafonova LE, Archakov AI. [Electrochemical methods for biomedical investigations]. Biomed Khim 2015; 61:188-202. [PMID: 25978386 DOI: 10.18097/pbmc20156102188] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In the review, authors discussed recently published experimental data concerning highly sensitive electrochemical methods and technologies for biomedical investigations in the postgenomic era. Developments in electrochemical biosensors systems for the analysis of various bio objects are also considered: cytochrome P450s, cardiac markers, bacterial cells, the analysis of proteins based on electro oxidized amino acids as a tool for analysis of conformational events. The electroanalysis of catalytic activity of cytochromes P450 allowed developing system for screening of potential substrates, inhibitors or modulators of catalytic functions of this class of hemoproteins. The highly sensitive quartz crystal microbalance (QCM) immunosensor has been developed for analysis of bio affinity interactions of antibodies with troponin I in plasma. The QCM technique allowed real-time monitoring of the kinetic differences in specific interactions and nonspecific sorption, with out multiple labeling procedures and separation steps. The affinity binding process was characterized by the association (ka) and the dissociation (kd) kinetic constants and the equilibrium association (K) constant, calculated using experimental data. Based on the electroactivity of bacterial cells, the electrochemical system for determination of sensitivity of the microbial cells to antibiotics cefepime, ampicillin, amikacin, and erythromycin was proposed. It was shown that the minimally detectable cell number corresponds to 106 CFU per electrode. The electrochemical method allows estimating the degree of E.coli JM109 cells resistance to antibiotics within 2-5 h. Electrosynthesis of polymeric analogs of antibodies for myoglobin (molecularly imprinted polymer, MIP) on the surface of graphite screen-printed electrodes as sensor elements with o- phenylenediamine as the functional monomer was developed. Molecularly imprinted polymers demonstrate selective complementary binding of a template protein molecule (myoglobin) by the "key-lock" principle.
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Affiliation(s)
- V V Shumyantseva
- Institute of Biomedical Chemistry, Moscow, Russia; IBMC-EcoBioPharm Company, Moscow, Russia
| | - T V Bulko
- Institute of Biomedical Chemistry, Moscow, Russia
| | - E V Suprun
- Institute of Biomedical Chemistry, Moscow, Russia
| | - A V Kuzikov
- Institute of Biomedical Chemistry, Moscow, Russia
| | | | - A I Archakov
- Institute of Biomedical Chemistry, Moscow, Russia
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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] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Gnedenko OV, Ivanov AS, Yablokov EO, Usanov SA, Mukha DV, Sergeev GV, Kuzikov AV, Moskaleva NE, Bulko TV, Shumyantseva VV, Archakov AI. Protein-protein interactions in the systems of cytochromes P450 3A4 and 3A5. Biochem Moscow Suppl Ser B 2014. [DOI: 10.1134/s1990750814030068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Shumyantseva VV, Bulko TV, Kuzikov AV, Khan R, Archakov AI. Development of methods for functionalization of screen printed electrodes with biocompatible organic-inorganic hybrid nanocomposites for biosensing applications. Biochem Moscow Suppl Ser B 2014. [DOI: 10.1134/s1990750814030123] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Shumyantseva VV, Bulko TV, Lisitsyna VB, Urlacher VB, Kuzikov AV, Suprun EV, Archakov AI. Electrochemical measurement of intraprotein and interprotein electron transfer. Biophysics (Nagoya-shi) 2013. [DOI: 10.1134/s0006350913030172] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Shumyantseva VV, Shich EV, Machova AA, Bulko TV, Kukes VG, Sizova OS, Ramenskaya GV, Usanov SA, Archakov AI. The influence of B-group vitamins on monooxygenase activity of cytochrome P450 3A4: Pharmacokinetics and electro analysis of the catalytic properties. Biochem Moscow Suppl Ser B 2012. [DOI: 10.1134/s1990750812010143] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Shumyantseva VV, Bulko TV, Misharin AY, Archakov AI. Screening of potential substrates or inhibitors of cytochrome P450 17A1 (CYP17A1) by electrochemical methods. Biochem Moscow Suppl Ser B 2011. [DOI: 10.1134/s1990750811010124] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Shumyantseva VV, Bulko TV, Vagin MY, Suprun EV, Archakov AI. Electrochemical immunoanalysis of cardiac myoglobin. Biochem Moscow Suppl Ser B 2010. [DOI: 10.1134/s1990750810030042] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Shumyantseva VV, Suprun EV, Bulko TV, Dobrynina OV, Archakov AI. Sensor systems for medical application based on hemoproteins and nanocomposite materials. Biochem Moscow Suppl Ser B 2010. [DOI: 10.1134/s199075081001004x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Shumyantseva VV, Bulko TV, Kuznetsova GP, Samenkova NF, Archakov AI. Electrochemistry of cytochromes P450: Analysis of current-voltage characteristics of electrodes with immobilized cytochromes P450 for the screening of substrates and inhibitors. Biochemistry Moscow 2009; 74:438-44. [DOI: 10.1134/s0006297909040129] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Shumyantseva VV, Bulko TV, Rudakov YO, Kuznetsova GP, Samenkova NF, Lisitsa AV, Karuzina II, Archakov AI. Nanoelectrochemistry of cytochrome P450s: Direct electron transfer and electrocatalysis. Biochem Moscow Suppl Ser B 2007. [DOI: 10.1134/s1990750807040075] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Shumyantseva VV, Bulko TV, Kuznetsova GP, Lisitsa AV, Ponomarenko EA, Karuzina II, Archakov AI. Electrochemical reduction of sterol-14α-demethylase from Mycobacterium tuberculosis (CYP51b1). Biochemistry Moscow 2007; 72:658-63. [PMID: 17630911 DOI: 10.1134/s0006297907060090] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The electrochemical reduction of the heme protein sterol-14alpha-demethylase from Mycobacterium tuberculosis (CYP51b1, or further CYP51) was investigated. Direct electron transfer was demonstrated between CYP51 and graphite screen-printed electrodes modified with gold nanoparticles and with the membrane-like synthetic surfactant didodecyl dimethylammonium bromide. The formal potential of the Fe3+/Fe2+ pair, E(1/2), is equal to -273 mV (vs. Ag/AgCl). The cathodic current corresponding to the reduction of oxygen by immobilized heme protein was registered in the presence of oxygen. Addition of lanosterol, one of the substrates of the CYP51 family, to the oxygenated solution caused a concentration-dependent increase in the reduction current in voltammetric and amperometric experiments. Ketoconazole, an inhibitor of CYP51, inhibited the catalytic cathodic current in the presence of lanosterol. Electrochemical reduction of CYP51 may serve as an adequate alternative to the reconstituted system, which requires additional redox partners for the exhibition of catalytic activity of heme proteins of the cytochrome P450 superfamily.
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Affiliation(s)
- V V Shumyantseva
- Orekhovich Institute of Biomedical Chemistry, Russian Academy of Medical Sciences, Moscow 119121, Russia.
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Shumyantseva VV, Bulko TV, Rudakov YO, Kuznetsova GP, Samenkova NF, Lisitsa AV, Karuzina II, Archakov AI. Electrochemical properties of cytochroms P450 using nanostructured electrodes: Direct electron transfer and electro catalysis. J Inorg Biochem 2007; 101:859-65. [PMID: 17376532 DOI: 10.1016/j.jinorgbio.2007.01.015] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2006] [Revised: 01/31/2007] [Accepted: 01/31/2007] [Indexed: 10/23/2022]
Abstract
The present study demonstrates direct electron transfer between cytochromes P450 2B4 (CYP2B4), P450 1A2 (CYP1A2), sterol 14alpha-demethylase (CYP51b1) on the one hand and screen-printed graphite electrodes, modified with gold nanoparticles and didodecyldimethylammonium bromide (DDAB) on the other. Electro detection of heme proteins was possible when 2-200 pmol P450/electrode were adsorbed on the surface of nanostructured electrochemical interfaces. Electron transfer, direct electrochemical reduction and interaction with P450 substrates (oxygen, benzphetamine, and lanosterol) and with P450 inhibitor (ketoconazole) were analyzed using cyclic voltammetry (CV), square wave voltammetry (SWV) differential pulse voltammetry (DPV), and amperometry.
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Affiliation(s)
- V V Shumyantseva
- Institute of Biomedical Chemistry, Russian Academy of Medical Sciences, Pogodinskaya Street, 10, Moscow 119121, Russia.
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Shumyantseva VV, Bulko TV, Usanov SA, Schmid RD, Nicolini C, Archakov AI. Construction and characterization of bioelectrocatalytic sensors based on cytochromes P450. J Inorg Biochem 2001; 87:185-90. [PMID: 11744055 DOI: 10.1016/s0162-0134(01)00329-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Semisynthetic flavocytochromes RfP450 1A2, RfP450 2B4 and RfP450scc--molecular conjugates of protein with riboflavin--could be reduced on rhodium-graphite screen-printed thick film electrodes as was confirmed by cyclic voltammograms of immobilized enzymes. Amperometric enzyme electrodes for direct measurement of organic pollutants were developed. The efficiency of controlled potential electrolysis for the reduction of flavocytochromes P450 was comparable with traditional reduction by pyridine nucleotides. The rate constants for substrates conversion obtained by electrochemical methods were close to those obtained using NAD(P)H as an electron source.
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Affiliation(s)
- V V Shumyantseva
- Institute of Biomedical Chemistry, Pogodinskaya St. 10, 119992, Moscow, Russia.
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Ivanov YD, Kanaeva IP, Gnedenko OV, Pozdnev VF, Shumyantseva VV, Samenkova NF, Kuznetsova GP, Tereza AM, Schmid RD, Archakov AI. Optical biosensor investigation of interactions of biomembrane and water-soluble cytochromes P450 and their redox partners with covalently immobilized phosphatidylethanolamine layers. J Mol Recognit 2001; 14:185-96. [PMID: 11391789 DOI: 10.1002/jmr.532] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A phospholipid-containing biochip was created by covalently immobilizing phospholipids on the optical biosensor's aminosilane cuvette and employed to monitor the interactions of the membrane and water-soluble proteins in cytochrome P450-containing monooxygenase systems with planary layers of dilauroylphosphatidylethanolamine (DLPE) and distearoylphosphatidylethanolamine (DSPE), differing in acyl chain length. It was shown that the full-length membrane proteins-cytochrome P4502B4 (d-2B4), cytochrome b5 (d-b5) and NADPH-cytochrome P450 reductase (d-Fp)-readily incorporated into the phospholipids. The incorporation was largely due to hydrophobic interactions of membranous protein fragments with the phospholipid layer. However, electrostatic forces were also but not always involved in the incorporation process. They promoted d-Fp incorporation but had no effect on d-b5 incorporation. In low ionic strength buffer, no incorporation of these two proteins into the DSPE lipid layer was observable. Incorporation of d-b5 into the DLPE layer was abruptly increased at temperatures exceeding phospholipid phase transition point. Incorporation of d-2B4 was dependent on its aggregation state and decreased with increasing protein aggregability. Water-soluble proteins either would not interact with the phospholipid layer (adrenodoxin) or would bind to the layer at the cost of only electrostatic (albumin) or both electrostatic and hydrophobic (P450cam) interactions.
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Affiliation(s)
- Y D Ivanov
- Institute of Biomedical Chemistry RAMS, Moscow 119832, Russia.
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Shumyantseva VV, Bulko TV, Bachmann TT, Bilitewski U, Schmid RD, Archakov AI. Electrochemical reduction of flavocytochromes 2B4 and 1A2 and their catalytic activity. Arch Biochem Biophys 2000; 377:43-8. [PMID: 10775439 DOI: 10.1006/abbi.2000.1739] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The present study shows that cytochromes P450 2B4 and 1A2 with a covalently attached riboflavin (semisynthetic flavocytochromes RfP450 2B4 and RfP450 1A2) can be reduced electrochemically on rhodium-graphite electrodes at a potential of -500 mV (vs Ag/AgCl). In the presence of substrates such as aminopyrine, aniline, 7-ethoxyresorufin, and 7-pentoxyresorufin, N-demethylation, p-hydroxylation, and O-dealkylation reactions proceeded, as was confirmed by product analysis. Rates of electrocatalytically driven reactions are comparable to those obtained using NAD(P)H as the source of reducing equivalents. These results suggest the practicality of developing flavocytochrome P450s as catalysts for oxidation reactions with different classes of organic substrates.
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Affiliation(s)
- V V Shumyantseva
- Institute of Biomedical Chemistry, Pogodinskaya st. 10, Moscow, 119832, Russia.
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Shumyantseva VV, Bulko TV, Alexandrova SA, Sokolov NN, Schmid RD, Bachmann T, Archakov AI. N-terminal truncated cytochrome P450 2B4: catalytic activities and reduction with alternative electron sources. Biochem Biophys Res Commun 1999; 263:678-80. [PMID: 10512738 DOI: 10.1006/bbrc.1999.1417] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
It was shown that riboflavin binds to the truncated cytochrome P450 2B4 and forms a complex with the K(d) = 26 microM. Noncovalent complex of truncated (Delta2-27) cytochrome P450 2B4 with riboflavin was essential for electron transfer realization and catalyzed the NADH-dependent and hydrogen peroxide-supported monooxygenase reactions of aminopyrine N-demethylation and aniline p-hydroxylation. Flavocytochrome molecular maquette was capable of supporting photoactivatable electron transfer and could be photoreduced and electroreduced quantitatively in the absence of pyridine nucleotides.
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Affiliation(s)
- V V Shumyantseva
- Institute of Biomedical Chemistry, Pogodinskaya Street 10, Moscow, 119832, Russia.
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Shumyantseva VV, Byakova OE, Archakov AI. Semisynthetic flavocytochromes based on cytochrome P450 2B4: reductase and oxygenase activities. Arch Biochem Biophys 1998; 354:133-8. [PMID: 9633607 DOI: 10.1006/abbi.1998.0628] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A synthetic flavocytochrome with the reductase and oxygenase activities was obtained by covalent binding of riboflavin to cytochrome P450 2B4. The reactions catalyzed by the newly synthesized flavocytochromes were studied. Formation of carbon monoxide complex with the reduced form of hemoprotein led to 60-80% inhibition of oxygenase reactions, indicating the leading role of reduced heme iron in generating active oxygen species by flavocytochromes.
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Shumyantseva VV, Avdeenko YL, Moskvitina TL, Bulko TV, Archakov AI. Hydrogen peroxide-supported activities of semisynthetic flavocytochrome 2B4. Biochem Mol Biol Int 1998; 45:171-9. [PMID: 9635141 DOI: 10.1080/15216549800202542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Semisynthetic flavocytochromes, obtained by covalent binding of riboflavin with cytochromes P450 2B4, were able to catalyze the H2O2-mediated reactions of aniline p-hydroxylation, aminopyrine N-demethylation and p-nitroanizole' O-dealkylation. The rates of the flavocytochrome-catalyzed, H2O2-supported reactions far exceeded those of the appropriate NADH-dependent reactions and were comparable with the cytochrome P450 2B4-catalyzed, peroxide-mediated reaction rates. The kinetic parameters (kcat, K(m)) for the peroxide-dependent flavocytochrome P450 2B4 reactions were obtained. Sodium cyanide and SKF-525A, a specific P450 inhibitor, were both shown to inhibit these reactions. The generation of active oxygen species by flavocytochrome 2B4 was registered by chemiluminescence intensity.
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Shumyantseva VV, Bulko TV, Zimin AG, Archakov AI. Design of an artificial hemoprotein based on human serum albumin. Biochem Mol Biol Int 1996; 39:503-10. [PMID: 8828801 DOI: 10.1080/15216549600201551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
For modelling cytochrome P450-catalyzed reactions, an artificial hemoprotein was designed. Upon complex formation of human serum albumin with iron protoporphyrine IX, there occurred the incorporation of heme into the protein and formation of a specific complex with the albumin to heme molar ratio 2:1. The apparent dissociation constant Kd of the complex, as determined by optical absorption spectroscopic technique, was 1.9 +/- 0.4 M-6. Based on spectral studies and molecular modelling of the complex spatial structure, it was assumed that His 31 or His 90 may be the most probable 5th ligand for the heme iron. The artificial hemoprotein was able to catalyze (in the presence of riboflavin as electron carrier) the NADH-dependent aniline hydroxylation and dimethylaniline and amidopyrine N-demethylation. The electron transfer pathway from NADH to substrate was demonstrated. Flavin appears to serve as an input center (mediator) for the rapid transfer of electrons from NADH to heme, where substrate is oxidized. The same reactions were accomplished using riboflavin photoreduction in the hemoalbumin-riboflavin system with the unfocussed laser emission at lambda = 457.9 nm. As electron donor, metallic zinc was used. The artificial hemoprotein obtained was also able to catalyze H2O2-dependent oxidase reactions.
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Shumyantseva VV, Uvarov VY, Byakova OE, Archakov AI. Reductase and oxygenase activities of semisynthetic flavocytochromes based on cytochrome P450 2B4. Biochem Mol Biol Int 1996; 38:829-38. [PMID: 8728113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A synthetic flavocytochrome with the reductase and oxygenase activities was obtained by covalent binding of riboflavin to cytochrome P450 2B4. The reactions catalyzed by the newly synthesized flavocytochromes were studied. Formation of carboxycomplex with the reduced form of hemoprotein led to 60-80% inhibition of oxygenase reactions indicating the leading role of reduced heme iron in generating active oxygen species by flavocytochromes.
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Abstract
1. This study deals with the oxidation of organophosphorus amino acid analogues by phenobarbital-induced rabbit liver microsomes. It has been shown that 1-aminoalkylphosphonous and 1-aminoalkylthiophosphonic acids are converted by P450 to 1-aminoalkylphosphonic acids. 2. Phosphonous analogues of amino acids cause type I spectral changes, and thiophosphonic analogues produce reverse type I changes in different spectra. 3. In the presence of NADPH, the 1-aminoalkylphosphonous acids form the corresponding 1-aminoalkylphosphonic acids by the reaction P-H-->P-OH, as monitored using 1H nmr spectroscopy. 4. Aminoalkylthiophosphonic acids have also proven to be the substrates for the NADPH-dependent monoxygenase system. During the course of oxidative desulphuration 1-aminoalkylphosphonic acids were formed by the reaction P = S-->P = O, as monitored by 31P-nmr spectroscopy. 5. Using resonance Raman (RR) spectroscopy, the interaction of 1-aminoisobutyl-phosphonous acid with P450 was investigated, and characteristic changes in spectral frequencies in the region between 1370 and 1700 cm-1 were demonstrated. These latter changes indicate that substrate binding of organophosphorus compounds leads to alterations in haem conformation and to redistribution of the electron density.
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Shumyantseva VV, Kuznetsova GP, Archakov AI. Membrane topology of N-terminal residues of cytochromes P-450 2B4 and 1A2. Biochem Mol Biol Int 1994; 34:183-90. [PMID: 7849620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The paper describes the reactivity of fluorescein isothiocyanate towards the N-terminus of cytochromes P450 2B4 and 1A2 in solution, in the natural membrane of microsomes and in proteoliposomes (cholate and ultrasonic). The results obtained indicate, that the N-terminus of microsomal or proteoliposomal cytochromes P-450 2B4 and 1A2 spans the membrane only once and faces the vesicles interior. It was suggested that of major importance in orientation of N-terminal residues in the membrane is not the hydrophobic segment itself but rather the positively charged fragment, following it.
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Shumyantseva VV, Bykhovskaya EA, Kolyada LN, Archakov AI. Semi-artificial hydroxylating enzymes created by flavins binding to cytochrome P450 2B4 and by bleomycin binding to NADPH-cytochrome P450 reductase. Biochem Biophys Res Commun 1994; 200:722-5. [PMID: 7513993 DOI: 10.1006/bbrc.1994.1510] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
To create a semi-artificial monomolecular oxygenase system, FAD or FMN were covalently bound to cytochrome P450 2B4 as electron donor centers and bleomycin to NADPH-cytochrome P450 reductase as a generator of active oxygen species. The most catalytically active was the conjugate of cytochrome P450 with FMN, able to initiate the reactions of dimethylaniline and aminopyrine demethylation along with the reaction of aniline p-hydroxylation. The conjugate of cytochrome P450 with FAD oxidized these substrates at a much slower rate. The bleomycin-reductase complex was capable of demethylating dimethylaniline and aminopyrine but failed to oxidize aniline.
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Shvarts GY, Faermark IF, Shumyantseva VV, Gandurina IA. Investigation of the antihypertensive activity and bradykinin-potentiating properties of amino acid derivatives of phosphonocarboxylic acids. Pharm Chem J 1989. [DOI: 10.1007/bf00758422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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