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Maeda I, Tamura S, Ogura Y, Serizawa T, Shimada T, Kunimoto R, Miyao T. Scaffold-Hopped Compound Identification by Ligand-Based Approaches with a Prospective Affinity Test. J Chem Inf Model 2024; 64:5557-5569. [PMID: 38950192 PMCID: PMC11267578 DOI: 10.1021/acs.jcim.4c00342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 06/05/2024] [Accepted: 06/18/2024] [Indexed: 07/03/2024]
Abstract
Scaffold-hopped (SH) compounds are bioactive compounds structurally different from known active compounds. Identifying SH compounds in the ligand-based approaches has been a central issue in medicinal chemistry, and various molecular representations of scaffold hopping have been proposed. However, appropriate representations for SH compound identification remain unclear. Herein, the ability of SH compound identification among several representations was fairly evaluated based on retrospective validation and prospective demonstration. In the retrospective validation, the combinations of two screening algorithms and four two- and three-dimensional molecular representations were compared using controlled data sets for the early identification of SH compounds. We found that the combination of the support vector machine and extended connectivity fingerprint with bond diameter 4 (SVM-ECFP4) and SVM and the rapid overlay of chemical structures (SVM-ROCS) showed a relatively high performance. The compounds that were highly ranked by SVM-ROCS did not share substructures with the active training compounds, while those ranked by SVM-ECFP4 were mostly recombinant. In the prospective demonstration, 93 SH compounds were prepared by screening the Namiki database using SVM-ROCS, targeting ABL1 inhibitors. The primary screening using surface plasmon resonance suggested five active compounds; however, in the competitive binding assays with adenosine triphosphate, no hits were found.
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Affiliation(s)
- Itsuki Maeda
- Graduate
School of Science and Technology, Nara Institute
of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Shunsuke Tamura
- Graduate
School of Science and Technology, Nara Institute
of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Yoshihiro Ogura
- Medicinal
Chemistry Research Laboratories, R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Takayuki Serizawa
- Medicinal
Chemistry Research Laboratories, R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Takashi Shimada
- Structure-Based
Drug Design Group, Organic & Biomolecular Chemistry Department, Daiichi Sankyo RD Novare Co., Ltd., 1-16-13 Kitakasai, Edogawa-ku, Tokyo 134-8630, Japan
| | - Ryo Kunimoto
- Discovery
Intelligence Research Laboratories, R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Tomoyuki Miyao
- Graduate
School of Science and Technology, Nara Institute
of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
- Data
Science Center, Nara Institute of Science
and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
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2
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Kumar N, Acharya V. Advances in machine intelligence-driven virtual screening approaches for big-data. Med Res Rev 2024; 44:939-974. [PMID: 38129992 DOI: 10.1002/med.21995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 07/15/2023] [Accepted: 10/29/2023] [Indexed: 12/23/2023]
Abstract
Virtual screening (VS) is an integral and ever-evolving domain of drug discovery framework. The VS is traditionally classified into ligand-based (LB) and structure-based (SB) approaches. Machine intelligence or artificial intelligence has wide applications in the drug discovery domain to reduce time and resource consumption. In combination with machine intelligence algorithms, VS has emerged into revolutionarily progressive technology that learns within robust decision orders for data curation and hit molecule screening from large VS libraries in minutes or hours. The exponential growth of chemical and biological data has evolved as "big-data" in the public domain demands modern and advanced machine intelligence-driven VS approaches to screen hit molecules from ultra-large VS libraries. VS has evolved from an individual approach (LB and SB) to integrated LB and SB techniques to explore various ligand and target protein aspects for the enhanced rate of appropriate hit molecule prediction. Current trends demand advanced and intelligent solutions to handle enormous data in drug discovery domain for screening and optimizing hits or lead with fewer or no false positive hits. Following the big-data drift and tremendous growth in computational architecture, we presented this review. Here, the article categorized and emphasized individual VS techniques, detailed literature presented for machine learning implementation, modern machine intelligence approaches, and limitations and deliberated the future prospects.
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Affiliation(s)
- Neeraj Kumar
- Artificial Intelligence for Computational Biology Lab (AICoB), Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- Academy of Scientific and Innovative Research, Ghaziabad, India
| | - Vishal Acharya
- Artificial Intelligence for Computational Biology Lab (AICoB), Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- Academy of Scientific and Innovative Research, Ghaziabad, India
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3
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Li Z, Fang F, Li Y, Lv X, Zheng R, Jiao P, Wang Y, Zhu G, Jin Z, Xu X, Qiu Y, Zhang G, Li Z, Liu Z, Zhang L. Carbazole and tetrahydro-carboline derivatives as dopamine D 3 receptor antagonists with the multiple antipsychotic-like properties. Acta Pharm Sin B 2023; 13:4553-4577. [PMID: 37969740 PMCID: PMC10638516 DOI: 10.1016/j.apsb.2023.07.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/28/2023] [Accepted: 07/19/2023] [Indexed: 11/17/2023] Open
Abstract
Dopamine D3 receptor (D3R) is implicated in multiple psychotic symptoms. Increasing the D3R selectivity over dopamine D2 receptor (D2R) would facilitate the antipsychotic treatments. Herein, novel carbazole and tetrahydro-carboline derivatives were reported as D3R selective ligands. Through a structure-based virtual screen, ZLG-25 (D3R Ki = 685 nmol/L; D2R Ki > 10,000 nmol/L) was identified as a novel D3R selective bitopic ligand with a carbazole scaffold. Scaffolds hopping led to the discovery of novel D3R-selective analogs with tetrahydro-β-carboline or tetrahydro-γ-carboline core. Further functional studies showed that most derivatives acted as hD3R-selective antagonists. Several lead compounds could dose-dependently inhibit the MK-801-induced hyperactivity. Additional investigation revealed that 23j and 36b could decrease the apomorphine-induced climbing without cataleptic reaction. Furthermore, 36b demonstrated unusual antidepressant-like activity in the forced swimming tests and the tail suspension tests, and alleviated the MK-801-induced disruption of novel object recognition in mice. Additionally, preliminary studies confirmed the favorable PK/PD profiles, no weight gain and limited serum prolactin levels in mice. These results revealed that 36b provided potential opportunities to new antipsychotic drugs with the multiple antipsychotic-like properties.
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Affiliation(s)
- Zhongtang Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Fan Fang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Yiyan Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xuehui Lv
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Ruqiu Zheng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Peili Jiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Yuxi Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Guiwang Zhu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zefang Jin
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xiangqing Xu
- Jiangsu Nhwa Pharmaceutical Co., Ltd., Xuzhou 221116, China
| | - Yinli Qiu
- Jiangsu Nhwa Pharmaceutical Co., Ltd., Xuzhou 221116, China
| | - Guisen Zhang
- Jiangsu Key Laboratory of Marine Biological Resources and Environment, Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, School of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Zhongjun Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zhenming Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Liangren Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
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4
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Mensa S, Sahin E, Tacchino F, Kl Barkoutsos P, Tavernelli I. Quantum machine learning framework for virtual screening in drug discovery: a prospective quantum advantage. MACHINE LEARNING: SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1088/2632-2153/acb900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
Abstract
Machine Learning for ligand based virtual screening (LB-VS) is an important in-silico tool for discovering new drugs in a faster and cost-effective manner, especially for emerging diseases such as COVID-19. In this paper, we propose a general-purpose framework combining a classical Support Vector Classifier algorithm with quantum kernel estimation for LB-VS on real-world databases, and we argue in favor of its prospective quantum advantage. Indeed, we heuristically prove that our quantum integrated workflow can, at least in some relevant instances, provide a tangible advantage compared to state-of-art classical algorithms operating on the same datasets, showing strong dependence on target and features selection method. Finally, we test our algorithm on IBM Quantum processors using ADRB2 and COVID-19 datasets, showing that hardware simulations provide results in line with the predicted performances and can surpass classical equivalents.
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5
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Nishida Y, Yanagisawa S, Morita R, Shigematsu H, Shinzawa-Itoh K, Yuki H, Ogasawara S, Shimuta K, Iwamoto T, Nakabayashi C, Matsumura W, Kato H, Gopalasingam C, Nagao T, Qaqorh T, Takahashi Y, Yamazaki S, Kamiya K, Harada R, Mizuno N, Takahashi H, Akeda Y, Ohnishi M, Ishii Y, Kumasaka T, Murata T, Muramoto K, Tosha T, Shiro Y, Honma T, Shigeta Y, Kubo M, Takashima S, Shintani Y. Identifying antibiotics based on structural differences in the conserved allostery from mitochondrial heme-copper oxidases. Nat Commun 2022; 13:7591. [PMID: 36481732 PMCID: PMC9731990 DOI: 10.1038/s41467-022-34771-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 11/07/2022] [Indexed: 12/13/2022] Open
Abstract
Antimicrobial resistance (AMR) is a global health problem. Despite the enormous efforts made in the last decade, threats from some species, including drug-resistant Neisseria gonorrhoeae, continue to rise and would become untreatable. The development of antibiotics with a different mechanism of action is seriously required. Here, we identified an allosteric inhibitory site buried inside eukaryotic mitochondrial heme-copper oxidases (HCOs), the essential respiratory enzymes for life. The steric conformation around the binding pocket of HCOs is highly conserved among bacteria and eukaryotes, yet the latter has an extra helix. This structural difference in the conserved allostery enabled us to rationally identify bacterial HCO-specific inhibitors: an antibiotic compound against ceftriaxone-resistant Neisseria gonorrhoeae. Molecular dynamics combined with resonance Raman spectroscopy and stopped-flow spectroscopy revealed an allosteric obstruction in the substrate accessing channel as a mechanism of inhibition. Our approach opens fresh avenues in modulating protein functions and broadens our options to overcome AMR.
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Affiliation(s)
- Yuya Nishida
- grid.410796.d0000 0004 0378 8307Department of Molecular Pharmacology, National Cerebral and Cardiovascular Center, Suita, Osaka Japan ,grid.136593.b0000 0004 0373 3971Department of Medical Biochemistry, Osaka University Graduate School of Frontier Biological Science, Suita, Osaka Japan
| | - Sachiko Yanagisawa
- grid.266453.00000 0001 0724 9317Graduate School of Science, University of Hyogo, Hyogo, Japan
| | - Rikuri Morita
- grid.20515.330000 0001 2369 4728Center for Computational Sciences, University of Tsukuba, Tsukuba, Ibaraki Japan
| | - Hideki Shigematsu
- grid.472717.0RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo, Hyogo Japan ,grid.410592.b0000 0001 2170 091XPresent Address: Structural Biology Division, Japan Synchrotron Radiation Research Institute, SPring-8; Sayo, Hyogo, Japan
| | - Kyoko Shinzawa-Itoh
- grid.266453.00000 0001 0724 9317Graduate School of Science, University of Hyogo, Hyogo, Japan
| | - Hitomi Yuki
- grid.508743.dRIKEN Center for Biosystems Dynamics Research, Yokohama, Kanagawa Japan
| | - Satoshi Ogasawara
- grid.136304.30000 0004 0370 1101Department of Chemistry, Graduate School of Science, Chiba University, Inage, Chiba Japan
| | - Ken Shimuta
- grid.410795.e0000 0001 2220 1880Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan ,grid.410795.e0000 0001 2220 1880Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Tokyo, Japan
| | - Takashi Iwamoto
- grid.136593.b0000 0004 0373 3971Department of Medical Biochemistry, Osaka University Graduate School of Frontier Biological Science, Suita, Osaka Japan
| | - Chisa Nakabayashi
- grid.410796.d0000 0004 0378 8307Department of Molecular Pharmacology, National Cerebral and Cardiovascular Center, Suita, Osaka Japan ,grid.136593.b0000 0004 0373 3971Department of Medical Biochemistry, Osaka University Graduate School of Frontier Biological Science, Suita, Osaka Japan
| | - Waka Matsumura
- grid.266453.00000 0001 0724 9317Graduate School of Science, University of Hyogo, Hyogo, Japan
| | - Hisakazu Kato
- grid.136593.b0000 0004 0373 3971Department of Medical Biochemistry, Osaka University Graduate School of Frontier Biological Science, Suita, Osaka Japan
| | | | - Takemasa Nagao
- grid.410796.d0000 0004 0378 8307Department of Molecular Pharmacology, National Cerebral and Cardiovascular Center, Suita, Osaka Japan
| | - Tasneem Qaqorh
- grid.410796.d0000 0004 0378 8307Department of Molecular Pharmacology, National Cerebral and Cardiovascular Center, Suita, Osaka Japan ,grid.136593.b0000 0004 0373 3971Department of Medical Biochemistry, Osaka University Graduate School of Frontier Biological Science, Suita, Osaka Japan
| | - Yusuke Takahashi
- grid.410796.d0000 0004 0378 8307Department of Molecular Pharmacology, National Cerebral and Cardiovascular Center, Suita, Osaka Japan
| | - Satoru Yamazaki
- grid.410796.d0000 0004 0378 8307Department of Molecular Pharmacology, National Cerebral and Cardiovascular Center, Suita, Osaka Japan
| | - Katsumasa Kamiya
- grid.419709.20000 0004 0371 3508Center for Basic Education Integrated Learning, Kanagawa Institute of Technology, Atsugi, Kanagawa Japan
| | - Ryuhei Harada
- grid.20515.330000 0001 2369 4728Center for Computational Sciences, University of Tsukuba, Tsukuba, Ibaraki Japan
| | - Nobuhiro Mizuno
- grid.410592.b0000 0001 2170 091XProtein Crystal Analysis Division, Japan Synchrotron Radiation Research Institute, SPring-8, Sayo, Hyogo Japan
| | - Hideyuki Takahashi
- grid.410795.e0000 0001 2220 1880Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yukihiro Akeda
- grid.410795.e0000 0001 2220 1880Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Makoto Ohnishi
- grid.410795.e0000 0001 2220 1880Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yoshikazu Ishii
- grid.265050.40000 0000 9290 9879Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
| | - Takashi Kumasaka
- grid.410592.b0000 0001 2170 091XProtein Crystal Analysis Division, Japan Synchrotron Radiation Research Institute, SPring-8, Sayo, Hyogo Japan
| | - Takeshi Murata
- grid.136304.30000 0004 0370 1101Department of Chemistry, Graduate School of Science, Chiba University, Inage, Chiba Japan
| | - Kazumasa Muramoto
- grid.266453.00000 0001 0724 9317Graduate School of Science, University of Hyogo, Hyogo, Japan
| | - Takehiko Tosha
- grid.472717.0RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo, Hyogo Japan
| | - Yoshitsugu Shiro
- grid.266453.00000 0001 0724 9317Graduate School of Science, University of Hyogo, Hyogo, Japan
| | - Teruki Honma
- grid.508743.dRIKEN Center for Biosystems Dynamics Research, Yokohama, Kanagawa Japan
| | - Yasuteru Shigeta
- grid.20515.330000 0001 2369 4728Center for Computational Sciences, University of Tsukuba, Tsukuba, Ibaraki Japan
| | - Minoru Kubo
- grid.266453.00000 0001 0724 9317Graduate School of Science, University of Hyogo, Hyogo, Japan
| | - Seiji Takashima
- grid.136593.b0000 0004 0373 3971Department of Medical Biochemistry, Osaka University Graduate School of Frontier Biological Science, Suita, Osaka Japan
| | - Yasunori Shintani
- grid.410796.d0000 0004 0378 8307Department of Molecular Pharmacology, National Cerebral and Cardiovascular Center, Suita, Osaka Japan ,grid.136593.b0000 0004 0373 3971Department of Medical Biochemistry, Osaka University Graduate School of Frontier Biological Science, Suita, Osaka Japan
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Ligand-based approaches to activity prediction for the early stage of structure–activity–relationship progression. J Comput Aided Mol Des 2022; 36:237-252. [DOI: 10.1007/s10822-022-00449-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 03/07/2022] [Indexed: 11/27/2022]
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7
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Zarnecka J, Lukac I, Messham SJ, Hussin A, Coppola F, Enoch SJ, Dossetter AG, Griffen EJ, Leach AG. Mapping Ligand-Shape Space for Protein-Ligand Systems: Distinguishing Key-in-Lock and Hand-in-Glove Proteins. J Chem Inf Model 2021; 61:1859-1874. [PMID: 33755448 DOI: 10.1021/acs.jcim.1c00089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Many of the recently developed methods to study the shape of molecules permit one conformation of one molecule to be compared to another conformation of the same or a different molecule: a relative shape. Other methods provide an absolute description of the shape of a conformation that does not rely on comparisons or overlays. Any absolute description of shape can be used to generate a self-organizing map (shape map) that places all molecular shapes relative to one another; in the studies reported here, the shape fingerprint and ultrafast shape recognition methods are employed to create such maps. In the shape maps, molecules that are near one another have similar shapes, and the maps for the 102 targets in the DUD-E set have been generated. By examining the distribution of actives in comparison with their physical-property-matched decoys, we show that the proteins of key-in-lock type (relatively rigid receptor and ligand) can be distinguished from those that are more of a hand-in-glove type (more flexible receptor and ligand). These are linked to known differences in protein flexibility and binding-site size.
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Affiliation(s)
- Joanna Zarnecka
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, U.K
| | - Iva Lukac
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, U.K
| | - Stephen J Messham
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, U.K
| | - Alhusein Hussin
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, U.K
| | - Francesco Coppola
- Division of Pharmacy and Optometry, School of Health Sciences, University of Manchester, Stopford Building, Oxford Road, Manchester M13 9PT, U.K
| | - Steven J Enoch
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, U.K
| | | | - Edward J Griffen
- MedChemica Limited, Biohub, Mereside, Alderley Park, Macclesfield SK10 4TG, U.K
| | - Andrew G Leach
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, U.K.,MedChemica Limited, Biohub, Mereside, Alderley Park, Macclesfield SK10 4TG, U.K.,Division of Pharmacy and Optometry, School of Health Sciences, University of Manchester, Stopford Building, Oxford Road, Manchester M13 9PT, U.K
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8
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Sato A, Miyao T, Jasial S, Funatsu K. Comparing predictive ability of QSAR/QSPR models using 2D and 3D molecular representations. J Comput Aided Mol Des 2021; 35:179-193. [PMID: 33392949 DOI: 10.1007/s10822-020-00361-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 11/12/2020] [Indexed: 11/27/2022]
Abstract
Quantitative structure-activity relationship (QSAR) and quantitative structure-property relationship (QSPR) models predict biological activity and molecular property based on the numerical relationship between chemical structures and activity (property) values. Molecular representations are of importance in QSAR/QSPR analysis. Topological information of molecular structures is usually utilized (2D representations) for this purpose. However, conformational information seems important because molecules are in the three-dimensional space. As a three-dimensional molecular representation applicable to diverse compounds, similarity between a test molecule and a set of reference molecules has been previously proposed. This 3D representation was found to be effective on virtual screening for early enrichment of active compounds. In this study, we introduced the 3D representation into QSAR/QSPR modeling (regression tasks). Furthermore, we investigated relative merits of 3D representations over 2D in terms of the diversity of training data sets. For the prediction task of quantum mechanics-based properties, the 3D representations were superior to 2D. For predicting activity of small molecules against specific biological targets, no consistent trend was observed in the difference of performance using the two types of representations, irrespective of the diversity of training data sets.
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Affiliation(s)
- Akinori Sato
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan
| | - Tomoyuki Miyao
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan
- Data Science Center, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan
| | - Swarit Jasial
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan
- Data Science Center, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan
| | - Kimito Funatsu
- Data Science Center, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan.
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo. Bunkyo-ku, Tokyo, 113-8656, Japan.
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9
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Evaluation of different virtual screening strategies on the basis of compound sets with characteristic core distributions and dissimilarity relationships. J Comput Aided Mol Des 2019; 33:729-743. [DOI: 10.1007/s10822-019-00218-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 08/13/2019] [Indexed: 02/07/2023]
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10
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Maltarollo VG, Kronenberger T, Espinoza GZ, Oliveira PR, Honorio KM. Advances with support vector machines for novel drug discovery. Expert Opin Drug Discov 2018; 14:23-33. [PMID: 30488731 DOI: 10.1080/17460441.2019.1549033] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Novel drug discovery remains an enormous challenge, with various computer-aided drug design (CADD) approaches having been widely employed for this purpose. CADD, specifically the commonly used support vector machines (SVMs), can employ machine learning techniques. SVMs and their variations offer numerous drug discovery applications, which range from the classification of substances (as active or inactive) to the construction of regression models and the ranking/virtual screening of databased compounds. Areas covered: Herein, the authors consider some of the applications of SVMs in medicinal chemistry, illustrating their main advantages and disadvantages, as well as trends in their utilization, via the available published literature. The aim of this review is to provide an up-to-date review of the recent applications of SVMs in drug discovery as described by the literature, thereby highlighting their strengths, weaknesses, and future challenges. Expert opinion: Techniques based on SVMs are considered as powerful approaches in early drug discovery. The ability of SVMs to classify active or inactive compounds has enabled the prioritization of substances for virtual screening. Indeed, one of the main advantages of SVMs is related to their potential in the analysis of nonlinear problems. However, despite successes in employing SVMs, the challenges of improving accuracy remain.
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Affiliation(s)
- Vinicius Gonçalves Maltarollo
- a Departamento de Produtos Farmacêuticos, Faculdade de Farmácia , Universidade Federal de Minas Gerais , Belo Horizonte , Brazil
| | - Thales Kronenberger
- b Department of Internal Medicine VIII , University Hospital of Tübingen , Tübingen , Germany
| | - Gabriel Zarzana Espinoza
- c Escola de Artes, Ciências e Humanidades , Universidade de São Paulo (USP) , São Paulo , Brazil
| | - Patricia Rufino Oliveira
- c Escola de Artes, Ciências e Humanidades , Universidade de São Paulo (USP) , São Paulo , Brazil
| | - Kathia Maria Honorio
- c Escola de Artes, Ciências e Humanidades , Universidade de São Paulo (USP) , São Paulo , Brazil.,d Centro de Ciências Naturais e Humanas , Universidade Federal do ABC , Santo André , Brazil
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11
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Kumar A, Zhang KYJ. Advances in the Development of Shape Similarity Methods and Their Application in Drug Discovery. Front Chem 2018; 6:315. [PMID: 30090808 PMCID: PMC6068280 DOI: 10.3389/fchem.2018.00315] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 07/09/2018] [Indexed: 12/21/2022] Open
Abstract
Molecular similarity is a key concept in drug discovery. It is based on the assumption that structurally similar molecules frequently have similar properties. Assessment of similarity between small molecules has been highly effective in the discovery and development of various drugs. Especially, two-dimensional (2D) similarity approaches have been quite popular due to their simplicity, accuracy and efficiency. Recently, the focus has been shifted toward the development of methods involving the representation and comparison of three-dimensional (3D) conformation of small molecules. Among the 3D similarity methods, evaluation of shape similarity is now gaining attention for its application not only in virtual screening but also in molecular target prediction, drug repurposing and scaffold hopping. A wide range of methods have been developed to describe molecular shape and to determine the shape similarity between small molecules. The most widely used methods include atom distance-based methods, surface-based approaches such as spherical harmonics and 3D Zernike descriptors, atom-centered Gaussian overlay based representations. Several of these methods demonstrated excellent virtual screening performance not only retrospectively but also prospectively. In addition to methods assessing the similarity between small molecules, shape similarity approaches have been developed to compare shapes of protein structures and binding pockets. Additionally, shape comparisons between atomic models and 3D density maps allowed the fitting of atomic models into cryo-electron microscopy maps. This review aims to summarize the methodological advances in shape similarity assessment highlighting advantages, disadvantages and their application in drug discovery.
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Affiliation(s)
| | - Kam Y. J. Zhang
- Laboratory for Structural Bioinformatics, Center for Biosystems Dynamics Research, RIKEN, Yokohama, Japan
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Hu B, Kuang ZK, Feng SY, Wang D, He SB, Kong DX. Three-Dimensional Biologically Relevant Spectrum (BRS-3D): Shape Similarity Profile Based on PDB Ligands as Molecular Descriptors. Molecules 2016; 21:E1554. [PMID: 27869685 PMCID: PMC6273508 DOI: 10.3390/molecules21111554] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 11/10/2016] [Accepted: 11/11/2016] [Indexed: 01/11/2023] Open
Abstract
The crystallized ligands in the Protein Data Bank (PDB) can be treated as the inverse shapes of the active sites of corresponding proteins. Therefore, the shape similarity between a molecule and PDB ligands indicated the possibility of the molecule to bind with the targets. In this paper, we proposed a shape similarity profile that can be used as a molecular descriptor for ligand-based virtual screening. First, through three-dimensional (3D) structural clustering, 300 diverse ligands were extracted from the druggable protein-ligand database, sc-PDB. Then, each of the molecules under scrutiny was flexibly superimposed onto the 300 ligands. Superimpositions were scored by shape overlap and property similarity, producing a 300 dimensional similarity array termed the "Three-Dimensional Biologically Relevant Spectrum (BRS-3D)". Finally, quantitative or discriminant models were developed with the 300 dimensional descriptor using machine learning methods (support vector machine). The effectiveness of this approach was evaluated using 42 benchmark data sets from the G protein-coupled receptor (GPCR) ligand library and the GPCR decoy database (GLL/GDD). We compared the performance of BRS-3D with other 2D and 3D state-of-the-art molecular descriptors. The results showed that models built with BRS-3D performed best for most GLL/GDD data sets. We also applied BRS-3D in histone deacetylase 1 inhibitors screening and GPCR subtype selectivity prediction. The advantages and disadvantages of this approach are discussed.
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Affiliation(s)
- Ben Hu
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China.
- Agricultural Bioinformatics Key Laboratory of Hubei Province, College of Informatics, Huazhong Agricultural University, Wuhan 430070, China.
| | - Zheng-Kun Kuang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China.
- Agricultural Bioinformatics Key Laboratory of Hubei Province, College of Informatics, Huazhong Agricultural University, Wuhan 430070, China.
| | - Shi-Yu Feng
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Dong Wang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Song-Bing He
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China.
| | - De-Xin Kong
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China.
- Agricultural Bioinformatics Key Laboratory of Hubei Province, College of Informatics, Huazhong Agricultural University, Wuhan 430070, China.
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Kearnes S, Pande V. ROCS-derived features for virtual screening. J Comput Aided Mol Des 2016; 30:609-17. [PMID: 27624668 DOI: 10.1007/s10822-016-9959-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 08/31/2016] [Indexed: 10/21/2022]
Abstract
Rapid overlay of chemical structures (ROCS) is a standard tool for the calculation of 3D shape and chemical ("color") similarity. ROCS uses unweighted sums to combine many aspects of similarity, yielding parameter-free models for virtual screening. In this report, we decompose the ROCS color force field into color components and color atom overlaps, novel color similarity features that can be weighted in a system-specific manner by machine learning algorithms. In cross-validation experiments, these additional features significantly improve virtual screening performance relative to standard ROCS.
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Affiliation(s)
- Steven Kearnes
- Stanford University, 318 Campus Dr. S296, Stanford, CA, 94305, USA. .,Google Inc., 1600 Amphitheatre Pkwy, Mountain View, CA, 94043, USA.
| | - Vijay Pande
- Stanford University, 318 Campus Dr. S296, Stanford, CA, 94305, USA
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Sun H, Pan P, Tian S, Xu L, Kong X, Li Y, Dan Li, Hou T. Constructing and Validating High-Performance MIEC-SVM Models in Virtual Screening for Kinases: A Better Way for Actives Discovery. Sci Rep 2016; 6:24817. [PMID: 27102549 PMCID: PMC4840416 DOI: 10.1038/srep24817] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 04/06/2016] [Indexed: 01/23/2023] Open
Abstract
The MIEC-SVM approach, which combines molecular interaction energy components (MIEC) derived from free energy decomposition and support vector machine (SVM), has been found effective in capturing the energetic patterns of protein-peptide recognition. However, the performance of this approach in identifying small molecule inhibitors of drug targets has not been well assessed and validated by experiments. Thereafter, by combining different model construction protocols, the issues related to developing best MIEC-SVM models were firstly discussed upon three kinase targets (ABL, ALK, and BRAF). As for the investigated targets, the optimized MIEC-SVM models performed much better than the models based on the default SVM parameters and Autodock for the tested datasets. Then, the proposed strategy was utilized to screen the Specs database for discovering potential inhibitors of the ALK kinase. The experimental results showed that the optimized MIEC-SVM model, which identified 7 actives with IC50 < 10 μM from 50 purchased compounds (namely hit rate of 14%, and 4 in nM level) and performed much better than Autodock (3 actives with IC50 < 10 μM from 50 purchased compounds, namely hit rate of 6%, and 2 in nM level), suggesting that the proposed strategy is a powerful tool in structure-based virtual screening.
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Affiliation(s)
- Huiyong Sun
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
- State Key Lab of CAD&CG, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Peichen Pan
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Sheng Tian
- Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Lei Xu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Xiaotian Kong
- Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Youyong Li
- Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Dan Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Tingjun Hou
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
- State Key Lab of CAD&CG, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
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Kumar A, Zhang KYJ. Application of Shape Similarity in Pose Selection and Virtual Screening in CSARdock2014 Exercise. J Chem Inf Model 2015; 56:965-73. [PMID: 26247231 DOI: 10.1021/acs.jcim.5b00279] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
To evaluate the applicability of shape similarity in docking-based pose selection and virtual screening, we participated in the CSARdock2014 benchmark exercise for identifying the correct docking pose of inhibitors targeting factor XA, spleen tyrosine kinase, and tRNA methyltransferase. This exercise provides a valuable opportunity for researchers to test their docking programs, methods, and protocols in a blind testing environment. In the CSARdock2014 benchmark exercise, we have implemented an approach that uses ligand 3D shape similarity to facilitate docking-based pose selection and virtual screening. We showed here that ligand 3D shape similarity between bound poses could be used to identify the native-like pose from an ensemble of docking-generated poses. Our method correctly identified the native pose as the top-ranking pose for 73% of test cases in a blind testing environment. Moreover, the pose selection results also revealed an excellent correlation between ligand 3D shape similarity scores and RMSD to X-ray crystal structure ligand. In the virtual screening exercise, the average RMSD for our pose prediction was found to be 1.02 Å, and it was one of the top performances achieved in CSARdock2014 benchmark exercise. Furthermore, the inclusion of shape similarity improved virtual screening performance of docking-based scoring and ranking. The coefficient of determination (r(2)) between experimental activities and docking scores for 276 spleen tyrosine kinase inhibitors was found to be 0.365 but reached 0.614 when the ligand 3D shape similarity was included.
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Affiliation(s)
- Ashutosh Kumar
- Structural Bioinformatics Team, Center for Life Science Technologies, RIKEN , 1-7-22 Suehiro, Tsurumi, Yokohama, Kanagawa 230-0045, Japan
| | - Kam Y J Zhang
- Structural Bioinformatics Team, Center for Life Science Technologies, RIKEN , 1-7-22 Suehiro, Tsurumi, Yokohama, Kanagawa 230-0045, Japan
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Abstract
The emphasis of this review is particularly on multivariate statistical methods currently used in quantitative structure–activity relationship (QSAR) studies.
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Affiliation(s)
- Somayeh Pirhadi
- Drug Design in Silico Lab
- Chemistry Faculty
- K. N. Toosi University of Technology
- Tehran
- Iran
| | | | - Jahan B. Ghasemi
- Drug Design in Silico Lab
- Chemistry Faculty
- K. N. Toosi University of Technology
- Tehran
- Iran
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Feng T, Chen W, Li D, Lin H, Liu F, Bao Q, Lei Y, Zhang X, Xu X, Guo X, You Q, Sun H. Identification of novel JMJD2A inhibitor scaffold using shape and electrostatic similarity search combined with docking method and MM-GBSA approach. RSC Adv 2015. [DOI: 10.1039/c5ra11896d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We present a hierarchical workflow combining shape- and electrostatic-based virtual screening for the identification of novel Jumonji domain-containing protein 2A (JMJD2A) inhibitors.
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Kumar A, Ito A, Takemoto M, Yoshida M, Zhang KYJ. Identification of 1,2,5-oxadiazoles as a new class of SENP2 inhibitors using structure based virtual screening. J Chem Inf Model 2014; 54:870-80. [PMID: 24512059 DOI: 10.1021/ci4007134] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Small ubiquitin like modifier (SUMO) specific proteases (SENPs) are cysteine proteases that carry out the proteolytic processing of SUMO from its pro form as well as the deconjugation of SUMO from substrate proteins. SENPs are attractive targets for drug discovery due to their crucial role in the development of various diseases. However, the SENPs inhibitor discovery efforts were limited, and only a few inhibitors or activity based probes have been identified until now. Here, we report a new class of SENP2 inhibitors identified by a combination of structure based virtual screening and quantitative FRET based assay. Our virtual screening protocol initially involves the identification of small molecules that have similar shape and electrostatic properties with the conjugate of SUMO1 C-terminal residues and substrate lysine. Molecular docking was then used to prioritize these small molecules for a FRET based assay that quantifies their SENP2 endopeptidase activity. The initial round of virtual screening followed by FRET based assay has enabled the identification of eight compounds with >40% SENP2 inhibition at 30 μM compound concentration. Five of these compounds belong to two scaffolds containing a 1,2,5-oxadiazole core that represent a novel class of SENP2 inhibitors. To improve the inhibitory potency and explore the structure-activity relationship of these two 1,2,5-oxadiazole scaffolds, structurally related compounds were identified in another round of virtual screening. The biological assay results confirmed SENP2 inhibitory activity of these two scaffolds. The most potent compound of each scaffold showed an IC50 of 5.9 and 3.7 μM. Most of the compounds also inhibited closely related isoform SENP1, while no detectable inhibition on other proteases, such as papain and trypsin, was observed. Our study suggests that 1,2,5-oxadiazoles could be used as a starting point for the development of novel therapeutic agents against various diseases targeting SENPs.
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Affiliation(s)
- Ashutosh Kumar
- Zhang Initiative Research Unit, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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Finn PW, Morris GM. Shape-based similarity searching in chemical databases. WILEY INTERDISCIPLINARY REVIEWS-COMPUTATIONAL MOLECULAR SCIENCE 2012. [DOI: 10.1002/wcms.1128] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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