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Indalkar S, Kumar Sahoo D, Bhange DS, Waghmode M, Shekh S, Gaikwad LD, Gadave KM. Pyrimidine-based sulfonamides and acetamides as potent antimicrobial Agents: Synthesis, Computational Studies, and biological assessment. Bioorg Chem 2024; 151:107667. [PMID: 39067418 DOI: 10.1016/j.bioorg.2024.107667] [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: 04/15/2024] [Revised: 07/09/2024] [Accepted: 07/21/2024] [Indexed: 07/30/2024]
Abstract
A series of novel sulfonamide and acetamide derivatives of pyrimidine were synthesized and their antimicrobial activities were assessed. Based on the Microbroth dilution method, the minimum inhibitory concentration (MIC) of the synthesized compounds demonstrated moderate to good levels of antifungal and antibacterial activity. Structure-activity relationship analysis suggested that the presence of electron-withdrawing groups, such as halogens, nitrile, and nitro groups, on the pyrimidine ring contributed to the enhanced antimicrobial potency, while electron-donating substituents led to a decrease in activity. Computational studies, including density functional theory (DFT), frontier molecular orbitals (FMO), and molecular electrostatic potential (MEP) analysis, provided insights into the electronic properties and charge distribution of the compounds. Drug-likeness evaluation using ADME/Tox analysis indicated that the synthesized compounds possess favorable physicochemical properties and could be potential drug candidates. Molecular docking against the Mycobacterium TB protein tyrosine phosphatase B (MtbPtpB) revealed that the synthesized compounds exhibited strong binding affinities (-46 kcal/mol to - 61 kcal/mol) and formed stable protein-ligand complexes through hydrogen bonding and π-π stacking interactions with key residues in the active site. The observed interactions from the docking simulations were consistent with the predicted interaction sites identified in the FMO and MEP analyses. These findings suggest that the synthesized pyrimidine derivatives could serve as promising antimicrobial agents and warrant further investigation for drug development.
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Affiliation(s)
- Supriya Indalkar
- Department of Chemistry Prof. Ramakrishna Arts Commerce and Science College, Savitribai Phule Pune University, India; Department of Chemistry, Dr. D.Y. Patil Arts, Commerce & Science College, Pimpri, Savitribai Phule Pune University, India.
| | - Dipak Kumar Sahoo
- School of Sciences, Woxsen University, Kamkole, Sadasivpet, Sangareddy District, Hyderabad 502345, Telangana, India.
| | - Dattatraya S Bhange
- Department of Chemistry Prof. Ramakrishna Arts Commerce and Science College, Savitribai Phule Pune University, India
| | | | - Shamasoddin Shekh
- Department of Chemical Sciences, Tata Institute of Fundamental Research, Mumbai 400005, India
| | - Lalaso D Gaikwad
- School of Chemical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, India
| | - Kisan M Gadave
- Annasaheb Magar College, Savitribai, Phule Pune University, India.
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2
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Arief I, Sunnardianto GK, Khairi S, Saputri WD. The potential of Mitragyna speciosa leaves as a natural source of antioxidants for disease prevention. J Integr Bioinform 2024:jib-2023-0030. [PMID: 39286883 DOI: 10.1515/jib-2023-0030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 07/09/2024] [Indexed: 09/19/2024] Open
Abstract
Mitragyna speciosa is famous for its addictive effect. On the other hand, this plant has good potential as an antioxidant agent, and so far, it was not explicitly explained what the most contributing compound in the leaves to that activity is. This study has been conducted using several computational methods to determine which compounds are the most active in interacting with cytochrome P450, myeloperoxidase, and NADPH oxidase proteins. First, virtual screening was carried out based on molecular docking, followed by profiling the properties of adsorption, distribution, metabolism, excretion, and toxicity (ADMET); the second one is the molecular dynamics (MD) simulations for 100 ns. The virtual screening results showed that three compounds acted as inhibitors for each protein: (-)-epicatechin, sitogluside, and corynoxeine. The ADMET profiles of the three compounds exhibit good drug ability and toxicity. The trajectories study from MD simulations predicts that the complexes of these three compounds with their respective target proteins are stable. Furthermore, these compounds identified in this computational study can be a potential guide for future experiments aimed at assessing the antioxidant properties through in vitro testing.
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Affiliation(s)
- Ihsanul Arief
- Research Center for Quantum Physics, 599846 National Research and Innovation Agency (BRIN) , South Tangerang 15314, Indonesia
- Akademi Farmasi Yarsi Pontianak, Pontianak 78232, Indonesia
| | - Gagus Ketut Sunnardianto
- Research Center for Quantum Physics, 599846 National Research and Innovation Agency (BRIN) , South Tangerang 15314, Indonesia
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Syahrul Khairi
- Department of Chemical Engineering, Faculty of Engineering, Universitas Tanjungpura, Pontianak 78124, Indonesia
| | - Wahyu Dita Saputri
- Research Center for Quantum Physics, 599846 National Research and Innovation Agency (BRIN) , South Tangerang 15314, Indonesia
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3
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Sinha P, Yadav AK. Identification of 3, 4-dihydroxy complexes as potential antiviral via DFT, molecular docking, molecular dynamics and MM/PBSA against rabies and dengue receptors. J Biomol Struct Dyn 2024; 42:7037-7053. [PMID: 37580968 DOI: 10.1080/07391102.2023.2246572] [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: 05/08/2023] [Accepted: 07/12/2023] [Indexed: 08/16/2023]
Abstract
The quest to identify antiviral drug candidates for dengue and rabies viral diseases is a great challenge for the researchers. While different research is being conducted on the repurposed drugs against these two viruses, no drug compound has gained success in treating them. Therefore, in this study, 3, 4-dihydroxy complexes have been virtually designed to investigate their antiviral properties and analyze their efficiency in interaction with the concerned viral diseases. DFT calculations are carried out to study the electronic and thermodynamic properties to understand the stability and reactivity of the reported compounds. These compounds were subjected to molecular docking studies to understand the binding interactions with NS5 Dengue virus mRNA 2'-O-methyltransferase and phosphoprotein C-terminal domain of Rabies virus. MD simulation, hydrogen bond analysis, and MM/PBSA were performed at 100 ns to support the obtained docking results.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Prashasti Sinha
- Department of Physics, School of Physical & Decision Science, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Anil Kumar Yadav
- Department of Physics, School of Physical & Decision Science, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
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4
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Tegegn DF, Belachew HZ, Etefa HF, Salau AO. Investigation of substituent effects on the electronic structure and antiviral activity of favipiravir derivatives for Covid-19 treatment using DFT and molecular docking. Sci Rep 2024; 14:17697. [PMID: 39085399 PMCID: PMC11291664 DOI: 10.1038/s41598-024-68712-0] [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: 04/17/2024] [Accepted: 07/26/2024] [Indexed: 08/02/2024] Open
Abstract
In this study, Density-functional theory/Time-dependent density-functional theory (DFT/TDDFT) and Molecular docking method was used to investigate the effect of methyl acetate, tetrahydrofuran and cyanobenzylidene substituents on the electronic structure and antiviral activity of favipiravir for treating COVID-19. The DFT and TDDFT computations were employed using the Gaussian 09 software package. The values were calculated using the 6-311++G(d, p) basis set and the hybrid B3LYP functional method. Autodock vina software was used for simulations to better predictions and to validate the modified compounds' binding affinities and poses. Results of the study indicate that compounds 1 to 6 all displayed a planar structure, where the pyrazine ring, carboxamide, hydroxyl groups, and other substituents are all situated within the same plane. In addition, the energy gaps (Egap) of these six compounds (Cpd 1, 2, 3, 4, 5, and 6) were compared. The significant dipole moment and binding affinity achieved implies a particular orientation for binding within the target protein, signaling the anticipated strength of the binding interaction. In all six compounds, the electrophilic domain is situated in the vicinity of the amine functional group within the carboxamide compound, whereas the nucleophilic domain encompasses both the carbonyl and hydroxyl groups. The most negatively charged sites are susceptible to electrophilic interactions. In conclusion, compounds 5 and 6 exhibit a high binding affinity of the target protein, while compound 6 has a high energy gap, which could enhance its antiviral activity against the COVID-19 virus.
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Affiliation(s)
- Dereje Fedasa Tegegn
- Department of Chemistry, College of Natural and Computational Science, Dambi Dollo University, P. O. Box. 260, Dambi Dollo, Oromia, Ethiopia
| | - Habtamu Zewude Belachew
- Department of Chemistry, College of Natural and Computational Science, Dambi Dollo University, P. O. Box. 260, Dambi Dollo, Oromia, Ethiopia
| | - Habtamu Fekadu Etefa
- Department of Physics, Walter Sisulu University, Private Bag X-1, Mathatha, 5117, South Africa
| | - Ayodeji Olalekan Salau
- Department of Electrical/Electronics and Computer Engineering, Afe Babalola University, Ado-Ekiti, Nigeria.
- Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India.
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5
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Fuentes G, Romero IE, Moller MN, Couto M, Romero AH. Photoproperties of favipiravir and its 6-substituted analogues: fluorescence controlled through halogen substitution and tautomerism. Org Biomol Chem 2024; 22:3910-3925. [PMID: 38656328 DOI: 10.1039/d4ob00397g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Herein, we have showed the photophysical properties of favipiravir and its 6-substituted analogues. Also, we interpreted the origin of fluorescence of favipiravir and its 6-substituted analogues as a function of tautomerism modulation in ground and excited states. Favipiravir, the 6-fluorine derivative, showed the best photophysical profile, exhibiting a dominant emission wavelength of 430 nm, a high quantum yield (Q.Y.) of 1.0 and a long-lived state (10 ns). Its analogues also showed a maximum emission at 430 nm, but their Q.Y. values were 5-fold lower than that found for favipiravir, decreasing as a function of 6-substitution as follows: F > Cl > Br > I > H. Pyrazines bearing the least electronegative 6-substituent (X = Br, I, H) showed an extra lifetime, which was shorter (0.2-0.3 ns) and less abundant (>15%) than the main lifetime (10 ns, 85%). Further 2D excitation-emission matrix and solvent studies supported that these 3-hydroxy-2-pyrazinecarboxamides present two emissive states. The first of them (λem = 430 nm), which was the most abundant, most fluorescent and long-lived state, was characterized as "locally excited" (LE). Its fluorescence was favored with an increase of the hydrogen-donor nature of the solvent and for pyrazines having a high enolic characteristic. Thus, the high LE-fluorescence of these types of pyrazines depends on the keto-tautomerization of the ground state using a protic solvent and its feasible enol-tautomerization upon excitation. Finally, the second excited state (λem = 536 nm) was suggested as an excited-state intramolecular proton-transfer (ESIPT), and it was observed only, although discretely, for pyrazines bearing the least electronegative 6-substituent.
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Affiliation(s)
- Germán Fuentes
- Grupo de Química Orgánica Medicinal, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400 Montevideo, Uruguay.
| | - Ivan E Romero
- Laboratorio de Síntesis Orgánica, Escuela de Química, Facultad de Ciencias, Universidad Central de Venezuela, Los Chaguaramos 1040, Caracas, Venezuela
| | - Matías N Moller
- Laboratorio de Fisicoquímica Biológica, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400 Montevideo, Uruguay
| | - Marcos Couto
- Grupo de Química Orgánica Medicinal, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400 Montevideo, Uruguay.
| | - Angel H Romero
- Grupo de Química Orgánica Medicinal, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400 Montevideo, Uruguay.
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6
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Ahmad G, Sohail M, Bilal M, Rasool N, Qamar MU, Ciurea C, Marceanu LG, Misarca C. N-Heterocycles as Promising Antiviral Agents: A Comprehensive Overview. Molecules 2024; 29:2232. [PMID: 38792094 PMCID: PMC11123935 DOI: 10.3390/molecules29102232] [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: 03/07/2024] [Revised: 04/22/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024] Open
Abstract
Viruses are a real threat to every organism at any stage of life leading to extensive infections and casualties. N-heterocycles can affect the viral life cycle at many points, including viral entrance into host cells, viral genome replication, and the production of novel viral species. Certain N-heterocycles can also stimulate the host's immune system, producing antiviral cytokines and chemokines that can stop the reproduction of viruses. This review focused on recent five- or six-membered synthetic N-heterocyclic molecules showing antiviral activity through SAR analyses. The review will assist in identifying robust scaffolds that might be utilized to create effective antiviral drugs with either no or few side effects.
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Affiliation(s)
- Gulraiz Ahmad
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan; (G.A.); (M.S.)
| | - Maria Sohail
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan; (G.A.); (M.S.)
| | - Muhammad Bilal
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China;
| | - Nasir Rasool
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan; (G.A.); (M.S.)
| | - Muhammad Usman Qamar
- Institute of Microbiology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan;
- Division of Infectious Diseases, Geneva University Hospitals, 1205 Geneva, Switzerland
- Department of Microbiology and Molecular Medicine, University of Geneva, 1205 Geneva, Switzerland
| | - Codrut Ciurea
- Faculty of Medicine, Transilvania University of Brasov, 500036 Brasov, Romania; (L.G.M.)
| | - Luigi Geo Marceanu
- Faculty of Medicine, Transilvania University of Brasov, 500036 Brasov, Romania; (L.G.M.)
| | - Catalin Misarca
- Faculty of Medicine, Transilvania University of Brasov, 500036 Brasov, Romania; (L.G.M.)
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7
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Liu J, Xue Y, Bai K, Yan F, Long X, Guo H, Yan H, Huang G, Zhou J, Tang Y. Experimental and computational study on anti-gastric cancer activity and mechanism of evodiamine derivatives. Front Pharmacol 2024; 15:1380304. [PMID: 38783957 PMCID: PMC11113551 DOI: 10.3389/fphar.2024.1380304] [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: 02/01/2024] [Accepted: 04/15/2024] [Indexed: 05/25/2024] Open
Abstract
Introduction: Human topoisomerase 1 (TOP1) is an important target of various anticancer compounds. The design and discovery of inhibitors targeting TOP1 are of great significance for the development of anticancer drugs. Evodiamine and thieno [2,3-d] pyridine hybrids show potential antitumor activity. Herein, the anti-gastric cancer activities of these hybrids were investigated. Methods: The inhibitory effects of different concentrations of ten evodiamine derivatives on the gastric cancer cell line SGC-7901 were assessed using a methyl thiazolyl tetrazolium assay. Compounds EVO-1 and EVO-6 strongly inhibited gastric cancer cell proliferation, with inhibition rates of 81.17% ± 5.08% and 80.92% ± 2.75%, respectively. To discover the relationship between the structure and activity of these two derivatives, density functional theory was used to investigate their optimized geometries, natural population charges, frontier molecular orbitals, and molecular electrostatic potentials. To clarify their anti-gastric cancer mechanisms, molecular docking, molecular dynamics simulations, and binding free energy calculations were performed against TOP1. Results: The results demonstrated that these compounds could intercalate into the cleaved DNA-binding site to form a TOP1-DNA-ligand ternary complex, and the ligand remained secure at the cleaved DNA-binding site to form a stable ternary complex. As the binding free energy of compound EVO-1 with TOP1 (-38.33 kcal·mol-1) was lower than that of compound EVO-6 (-33.25 kcal·mol-1), compound EVO-1 could be a more potent anti-gastric cancer agent than compound EVO-6. Discussion: Thus, compound EVO-1 could be a promising anti-gastric cancer drug candidate. This study may facilitate the design and development of novel TOP1 inhibitors.
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Affiliation(s)
- Jingli Liu
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Yingying Xue
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Kaidi Bai
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Fei Yan
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Xu Long
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Hui Guo
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Hao Yan
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Guozheng Huang
- College of Chemistry and Chemical Engineering, Anhui University of Technology, Ma’anshan, Anhui, China
| | - Jing Zhou
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Yuping Tang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
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de Santiago-Silva KM, Camargo PG, Carvalho Constant LE, Costa SDS, Frensel GB, Allonso D, Nakazato G, Lima CHDS, Bispo MDLF. Molecular modelling studies and in vitro enzymatic assays identified A 4-(nitrobenzyl)guanidine derivative as inhibitor of SARS-CoV-2 Mpro. Sci Rep 2024; 14:8620. [PMID: 38616188 PMCID: PMC11016540 DOI: 10.1038/s41598-024-59292-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 04/09/2024] [Indexed: 04/16/2024] Open
Abstract
Scientists and researchers have been searching for drugs targeting the main protease (Mpro) of SARS-CoV-2, which is crucial for virus replication. This study employed a virtual screening based on molecular docking to identify benzoylguanidines from an in-house chemical library that can inhibit Mpro on the active site and three allosteric sites. Molecular docking was performed on the LaSMMed Chemical Library using 88 benzoylguanidine compounds. Based on their RMSD values and conserved pose, three potential inhibitors (BZG1, BZG2, and BZG3) were selected. These results indicate that BZG1 and BZG3 may bind to the active site, while BZG2 may bind to allosteric sites. Molecular dynamics data suggest that BZG2 selectively targets allosteric site 3. In vitro tests were performed to measure the proteolytic activity of rMpro. The tests showed that BZG2 has uncompetitive inhibitory activity, with an IC50 value of 77 µM. These findings suggest that benzoylguanidines possess potential as Mpro inhibitors and pave the way towards combating SARS-Cov-2 effectively.
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Affiliation(s)
- Kaio Maciel de Santiago-Silva
- Laboratório de Síntese de Moléculas Medicinais (LaSMMed), Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Priscila Goes Camargo
- Laboratório de Síntese de Moléculas Medicinais (LaSMMed), Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Larissa Esteves Carvalho Constant
- Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Stephany da Silva Costa
- Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Giovanna Barbosa Frensel
- Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Diego Allonso
- Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Gerson Nakazato
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Camilo Henrique da Silva Lima
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcelle de Lima Ferreira Bispo
- Laboratório de Síntese de Moléculas Medicinais (LaSMMed), Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Brazil.
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9
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Tegegn DF, Belachew HZ, Salau AO. DFT/TDDFT calculations of geometry optimization, electronic structure and spectral properties of clevudine and telbivudine for treatment of chronic hepatitis B. Sci Rep 2024; 14:8146. [PMID: 38584189 PMCID: PMC10999419 DOI: 10.1038/s41598-024-58599-2] [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: 01/15/2024] [Accepted: 04/01/2024] [Indexed: 04/09/2024] Open
Abstract
Chronic hepatitis B remains a worldwide health concern. Presently, many drugs, such as Clevudine and Telbivudine, are recommended for the treatment of chronic hepatitis B disease. For this purpose, the quantum chemical analysis of ELUMO-HOMO (Egap), ionization potential (IP), electron affinity (EA), electronegativity (EN), chemical hardness (η), chemical potential (μ), chemical softness (S), electrophilicity index (ω), electron accepting capability (ω+), electron-donating capability (ω-), Nucleophilicity index (N), additional electronic charge (∆Nmax), Optical softness (σ0) and Dipole Moment, IR and UV-Vis spectra, molecular electrostatic potential (MEP) profile, Mulliken charge analysis, natural bond orbital (NBO) were examined in this study. The dipole moment of the compounds suggests their binding pose and predicted binding affinity. The electrophilic and nucleophilic regions were identified, and techniques such as NBO, UV-Vis, and IR were used to gain insights into the molecular structure, electronic transitions, and potential drug design for Hepatitis B treatment. Calculations for this study were carried out using the Gaussian 09 program package coupled with the DFT/TDDFT technique. The hybrid B3LYP functional method and the 6-311++G(d, p) basis set were used for the calculations.
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Affiliation(s)
- Dereje Fedasa Tegegn
- Department of Chemistry, College of Natural and Computational Science, Dambi Dollo University, Dambi Dollo, P. O. Box. 260, Oromia, Ethiopia
| | - Habtamu Zewude Belachew
- Department of Chemistry, College of Natural and Computational Science, Dambi Dollo University, Dambi Dollo, P. O. Box. 260, Oromia, Ethiopia
| | - Ayodeji Olalekan Salau
- Department of Electrical/Electronics and Computer Engineering, Afe Babalola University, Ado-Ekiti, Nigeria.
- Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India.
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10
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Maaghloud FE, Moukhfi F, Abdou A, Chadli N, Aboulmouhajir A, Elmakssoudi H, El Hakmaoui A, Jamal Eddine J, Akssira M, Dakir M. A simple synthesis of α-Costic acid analogue with antibacterial potential, DFT and molecular docking. Nat Prod Res 2024; 38:1381-1391. [PMID: 36382772 DOI: 10.1080/14786419.2022.2144851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/26/2022] [Accepted: 11/03/2022] [Indexed: 11/18/2022]
Abstract
Natural products extracted from plants has been recognized as the most efficient starting materials to synthesize new derivatives of medicinal interest. Our research focuses on the isolation and characterization of sesquiterpene derivatives from Dittrichia Viscosa (L), as well as their hemisynthesis. To that end, a phytochemical study of Dittrichia viscosa leaves was conducted in order to obtain a sesquiterpenoid, α -Costic acid, which will be further transformed to γ -Costic acid with high yield using simple processes. Optimized molecular geometry and vibrational frequencies of both products were computed using the density functional theory. In addition, the antibacterial activity of isolated and hemisynthesized products were analyzed in vitro against Escherichia coli resistant to β-lactamase 616, Pseudomonas aeruginosa, and Staphylococcus aureus. The obtained compounds were investigated by in silico biological method to evaluate their potential inhibitory activity against same strains using FtsA, LasR proteins and DNA polymerase III enzyme.
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Affiliation(s)
- F E Maaghloud
- Laboratory of Organic Synthesis, Extraction and Valorization, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - F Moukhfi
- Laboratory of Biodiversity and Immunology, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - A Abdou
- Laboratory of Organic Synthesis, Extraction and Valorization, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - N Chadli
- Laboratory of Biodiversity and Immunology, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - A Aboulmouhajir
- Laboratory of Organic Synthesis, Extraction and Valorization, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - H Elmakssoudi
- Laboratory of Organic Synthesis, Extraction and Valorization, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - A El Hakmaoui
- Laboratory of Physical Chemistry & Bioorganic Chemistry, Faculty of Sciences and Technologies Mohammedia, Hassan II University of Casablanca, Casablanca, Morocco
| | - J Jamal Eddine
- Laboratory of Organic Synthesis, Extraction and Valorization, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - M Akssira
- Laboratory of Physical Chemistry & Bioorganic Chemistry, Faculty of Sciences and Technologies Mohammedia, Hassan II University of Casablanca, Casablanca, Morocco
| | - M Dakir
- Laboratory of Organic Synthesis, Extraction and Valorization, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
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11
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Bitencourt-Ferreira G, Villarreal MA, Quiroga R, Biziukova N, Poroikov V, Tarasova O, de Azevedo Junior WF. Exploring Scoring Function Space: Developing Computational Models for Drug Discovery. Curr Med Chem 2024; 31:2361-2377. [PMID: 36944627 DOI: 10.2174/0929867330666230321103731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 12/15/2022] [Accepted: 12/29/2022] [Indexed: 03/23/2023]
Abstract
BACKGROUND The idea of scoring function space established a systems-level approach to address the development of models to predict the affinity of drug molecules by those interested in drug discovery. OBJECTIVE Our goal here is to review the concept of scoring function space and how to explore it to develop machine learning models to address protein-ligand binding affinity. METHODS We searched the articles available in PubMed related to the scoring function space. We also utilized crystallographic structures found in the protein data bank (PDB) to represent the protein space. RESULTS The application of systems-level approaches to address receptor-drug interactions allows us to have a holistic view of the process of drug discovery. The scoring function space adds flexibility to the process since it makes it possible to see drug discovery as a relationship involving mathematical spaces. CONCLUSION The application of the concept of scoring function space has provided us with an integrated view of drug discovery methods. This concept is useful during drug discovery, where we see the process as a computational search of the scoring function space to find an adequate model to predict receptor-drug binding affinity.
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Affiliation(s)
| | - Marcos A Villarreal
- CONICET-Departamento de Matemática y Física, Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC), Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba, Argentina
| | - Rodrigo Quiroga
- CONICET-Departamento de Matemática y Física, Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC), Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba, Argentina
| | - Nadezhda Biziukova
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10/8, Moscow, 119121, Russia
| | - Vladimir Poroikov
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10/8, Moscow, 119121, Russia
| | - Olga Tarasova
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10/8, Moscow, 119121, Russia
| | - Walter F de Azevedo Junior
- Pontifical Catholic University of Rio Grande do Sul - PUCRS, Porto Alegre-RS, Brazil
- Specialization Program in Bioinformatics, The Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6681 Porto Alegre / RS 90619-900, Brazil
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12
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Yin Q, Zhang H, Huang T, Liu B, Negm S, El-Kott AF. Anti-collagenase, Anti-elastase, Anti-urease, and Anti-cancer Potentials of Isokaempferide as Natural Compound: In vitro and in silico Study. J Oleo Sci 2024; 73:187-199. [PMID: 38311409 DOI: 10.5650/jos.ess23176] [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] [Indexed: 02/10/2024] Open
Abstract
One of the main goals of medicinal chemistry in recent years has been the development of new enzyme inhibitors and anti-cancer medicines. The isokaempferide' ability to inhibit the enzymes urease, elastase, and collagenase were also studied. The results showed that isokaempferide was the most effective compound against the assigned enzymes, with IC 50 values of 23.05 µM for elastase, 12.83 µM for urease, and 33.62 µM for collagenase respectively. It should be emphasized that natural compound was more effective at inhibiting some enzymes. Additionally, the compound was tested for their anti-cancer properties using colon, lung, breast cancer cell lines. The chemical activities of isokaempferide against urease, collagenase, and elastase were investigated utilizing the molecular docking study. The anti-cancer activities of the compound were evaluated against lung cancer cells such as SPC-A-1, SK-LU-1, 95D, breast cancer cells like MCF7, Hs 578Bst, Hs 319.T, and UACC-3133 cell lines, and colon cancer cell lines like CL40, SW1417, LS1034, and SW480. The chemical activities of isokaempferide against some of the expressed surface receptor proteins (EGFR, estrogen receptor, CD47, progesterone receptor, folate receptor, CD44, HER2, CD155, CXCR4, CD97, and endothelin receptor) in the mentioned cell lines were assessed using the molecular docking calculations. The results showed the probable interactions and their characteristics at an atomic level. The docking scores revealed that isokaempferide has a strong binding affinity to the enzymes and proteins. In addition, the compound formed powerful contact with the enzymes and receptors. Thus, isokaempferide could be potential inhibitor for enzymes and cancer cells.
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Affiliation(s)
- Qian Yin
- Department of Pathology, The Third Clinical Medical College of China Three Gorges University·Gezhouba Central Hospital of Sinopharm
| | - Hao Zhang
- Department of Endocrinology, The Third Clinical Medical College of China Three Gorges University·Gezhouba Central Hospital of Sinopharm
| | - Ting Huang
- Department of Oncology, No. 215 Hospital of Shaanxi Nuclear Industry
| | - Bin Liu
- Department of General Surgery, Dalian University Affiliated Xinhua Hospital
| | - Sally Negm
- Department of Life Sciences, College of Science and Art Mahyel Aseer, King Khalid University
| | - Attalla F El-Kott
- Department of Biology, College of Science, King Khalid University
- Department of Zoology, Faculty of Science, Damanhour University
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Pushpam S, Christopher Jeyaseelan S, Jesintha Rani R, Hussain S, Milton Franklin Benial A. Spectroscopic, quantum chemical investigation and molecular docking studies on N-(2-benzoylamino) phenyl benzamide: A novel SARS-CoV-2 drug. J Mol Recognit 2023; 36:e3057. [PMID: 37696749 DOI: 10.1002/jmr.3057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/13/2023]
Abstract
The present work describes the structural and spectral properties of N-(2-benzoylamino) phenyl benzamide (NBPB). The geometrical parameters of NBPB molecule such as bond lengths, bond angles and dihedral angles are calculated and compared with experimental values. The assigned vibrational wave numbers are in good agreement with the experimental FTIR and FT Raman spectra. The vibrational frequency of C=O stretching was downshifted to a lower wave number (red shift) due to mesomeric effect. The UV-Vis spectrum of the title compound was simulated and validated experimentally. The energy gap and charge transfer interaction of the title molecule were studied using frontier molecular orbital analysis. The electrophilic and nucleophilic reactivity sites of NBPB were investigated through the analysis of the molecular electrostatic potential surface and the Fukui function. An assessment of the intramolecular stabilization interactions of the molecule was performed using natural bond orbital analysis. The drug-likeness parameter was calculated. To investigate the inhibitory potential of the molecule, molecular docking analysis was conducted against SARS-CoV-2 proteins, revealing its capability to serve as a novel inhibitor against SARS-CoV-2. The high binding affinity of NBPB molecule was due to the presence of hydrogen bonds along with different hydrophobic interactions between the drug and the SARS-CoV-2 protein receptor. Hence, the title molecule is identified to be a potential candidate for SARS-CoV-2.
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Affiliation(s)
- S Pushpam
- PG and Research Department of Physics, N.M.S.S.V.N. College, Madurai, Tamil Nadu, India
| | | | - R Jesintha Rani
- Department of Physics, Government Arts College, Melur, Tamil Nadu, India
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Manwal A Mekoung P, Malloum A, Govindarajan M, Mballa RN, Patouossa I, Abouem A Zintchem A, Nanseu CP, Mbouombouo IN. Spectroscopic properties (FT-IR, NMR and UV) and DFT studies of amodiaquine. Heliyon 2023; 9:e22187. [PMID: 38076079 PMCID: PMC10709190 DOI: 10.1016/j.heliyon.2023.e22187] [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: 08/06/2023] [Revised: 11/03/2023] [Accepted: 11/06/2023] [Indexed: 06/19/2024] Open
Abstract
Amodiaquine (AQ) was synthesized by a condensation reaction and characterized by experimental FT-IR, 1H and 13C nuclear magnetic resonance (NMR) and UV spectroscopies. In the present work, Density Functional Theory (DFT) calculations. The structural and spectroscopic (FT-IR, 1H and 13C NMR and UV) data of amodiaquine molecule in ground state have been investigated by using Density Functional Theory (DFT). The calculations have been performed at the using B3LYP method with 6-311++G(d,p) and 6-311++G(2d, p) basis sets theory level were performed, first, to confirm its structure, then to explain its reactive nature through its molecular properties such as natural charges, local and global reactivity descriptors or natural bond orbital (NBO). Afterwards, the calculated properties were compared with experimental results. The 1H and 13C NMR chemical shifts were calculated by using the gauge-independent atomic orbital (GIAO) method, while the electronic UV-Vis spectrum is predicted using the time-dependent density functional theory (TD-DFT). Globally, the computerized results showed good agreement close similarity with the experimental values. The molecular properties such as natural charges, local and global reactivity descriptors, molecular electrostatic potential (MEP), natural bond orbital (NBO) of title molecule were calculated insights into the stability, reactivity and reactive sites on the molecule. The calculated energy band gap (ELUMO-EHOMO) value of AQ was found to be 4.09 eV suggesting that it could be considered as a hard molecule with high stability, supported by global reactivity descriptors. Molecular electrostatic potential (MEP) analysis revealed heteroatoms (oxygen and nitrogen) as the most putative nucleophilic sites when hydrogen atoms to which they are linked appear as electrophilic sites. The potential use of amodiaquine as non-linear optical (NLO) material and its thermodynamic indicators have also been assessed.
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Affiliation(s)
- Pélagie Manwal A Mekoung
- Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé I, P.O. Box 812 Yaoundé, Cameroon
- Computational Chemistry Laboratory, Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, P. O. Box 47 Yaoundé, Cameroon
- National Drug Quality Control and Valuation Laboratory, P.O. Box 12216 Yaoundé, Cameroon
| | - Alhadji Malloum
- Department of Physics, Faculty of Science, University of Maroua, P.O. Box 46 Maroua, Cameroon
- Department of Chemistry, University of the Free State, P. O. Box 339, Bloemfontein 9300, South Africa
| | - Munusamy Govindarajan
- Department of Physics, Avvivayar Government College for Women, Karaikal, Puducherry, India
- Arrignar Anna Govermnet Arts and Science College, Karaikal, Puducherry, India
| | - Rose Ngono Mballa
- National Drug Quality Control and Valuation Laboratory, P.O. Box 12216 Yaoundé, Cameroon
- Department of pharmacology and traditional medicine, FMSB, University of Yaoundé I, P. O. Box 1364 Yaoundé, Cameroon
| | - Issofa Patouossa
- Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé I, P.O. Box 812 Yaoundé, Cameroon
| | - Auguste Abouem A Zintchem
- Computational Chemistry Laboratory, Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, P. O. Box 47 Yaoundé, Cameroon
| | - Charles P.N. Nanseu
- Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé I, P.O. Box 812 Yaoundé, Cameroon
| | - Ibrahim N. Mbouombouo
- Computational Chemistry Laboratory, Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, P. O. Box 47 Yaoundé, Cameroon
- Department of Applied Chemistry, Faculty of Science, University of Ebolowa, PO. Box 812 Ebolowa, Cameroon
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15
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Milusheva M, Todorova M, Gledacheva V, Stefanova I, Feizi-Dehnayebi M, Pencheva M, Nedialkov P, Tumbarski Y, Yanakieva V, Tsoneva S, Nikolova S. Novel Anthranilic Acid Hybrids-An Alternative Weapon against Inflammatory Diseases. Pharmaceuticals (Basel) 2023; 16:1660. [PMID: 38139787 PMCID: PMC10747134 DOI: 10.3390/ph16121660] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/21/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
Anti-inflammatory drugs are used to relieve pain, fever, and inflammation while protecting the cardiovascular system. However, the side effects of currently available medications have limited their usage. Due to these adverse effects, there is a significant need for new drugs. The current trend of research has shifted towards the synthesis of novel anthranilic acid hybrids as anti-inflammatory agents. Phenyl- or benzyl-substituted hybrids exerted very good anti-inflammatory effects in preventing albumin denaturation. To confirm their anti-inflammatory effects, additional ex vivo tests were conducted. These immunohistochemical studies explicated the same compounds with better anti-inflammatory potential. To determine the binding affinity and interaction mode, as well as to explain the anti-inflammatory activities, the molecular docking simulation of the compounds was investigated against human serum albumin. The biological evaluation of the compounds was completed, assessing their antimicrobial activity and spasmolytic effect. Based on the experimental data, we can conclude that a collection of novel hybrids was successfully synthesized, and they can be considered anti-inflammatory drug candidates-alternatives to current therapeutics.
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Affiliation(s)
- Miglena Milusheva
- Department of Organic Chemistry, Faculty of Chemistry, University of Plovdiv, 4000 Plovdiv, Bulgaria or (M.M.); (M.T.)
- Department of Bioorganic Chemistry, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
| | - Mina Todorova
- Department of Organic Chemistry, Faculty of Chemistry, University of Plovdiv, 4000 Plovdiv, Bulgaria or (M.M.); (M.T.)
| | - Vera Gledacheva
- Department of Medical Physics and Biophysics, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (V.G.); (I.S.); (M.P.)
| | - Iliyana Stefanova
- Department of Medical Physics and Biophysics, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (V.G.); (I.S.); (M.P.)
| | - Mehran Feizi-Dehnayebi
- Department of Chemistry, Faculty of Science, University of Sistan and Baluchestan, Zahedan P.O. Box 98135-674, Iran;
| | - Mina Pencheva
- Department of Medical Physics and Biophysics, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (V.G.); (I.S.); (M.P.)
| | - Paraskev Nedialkov
- Department of Pharmacognosy, Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria;
| | - Yulian Tumbarski
- Department of Microbiology, Technological Faculty, University of Food Technologies, 4002 Plovdiv, Bulgaria; (Y.T.); (V.Y.)
| | - Velichka Yanakieva
- Department of Microbiology, Technological Faculty, University of Food Technologies, 4002 Plovdiv, Bulgaria; (Y.T.); (V.Y.)
| | - Slava Tsoneva
- Department of Analytical Chemistry and Computer Chemistry, University of Plovdiv, 4000 Plovdiv, Bulgaria;
| | - Stoyanka Nikolova
- Department of Organic Chemistry, Faculty of Chemistry, University of Plovdiv, 4000 Plovdiv, Bulgaria or (M.M.); (M.T.)
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S AlOmar T, Rauf A, Rashid U, Sarfaraz S, Ayub K, Hussain F, Almasoud N, S AlOmar A, Rehman G, Ahmad Z, Muhammad N, Ali Shah Z. Molecular docking, DFT studies, and anti-inflammatory evaluation of peshawaraquinone isolated from Fernandoa adenophylla. J Biomol Struct Dyn 2023:1-13. [PMID: 37707992 DOI: 10.1080/07391102.2023.2258402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 08/22/2023] [Indexed: 09/16/2023]
Abstract
In recent years, there has been growing interest in exploring natural compounds with anti-inflammatory properties for potential therapeutic applications. This study focuses on investigating the anti-inflammatory potential of peshawaraquinone (PAQ), a compound isolated from Fernandoa adenophylla, which is known for its local use in pain relief. We aim to evaluate the efficacy of peshawaraquinone in both in vitro and in vivo models and gain insights into its mode of action. In the in vitro Human red blood cell (HRBC) assay, various concentrations of peshawaraquinone were tested for their ability to inhibit the hemolysis of red blood cells, a well-established indicator of anti-inflammatory activity. The results demonstrated a maximum percent inhibition of 79.69 at a concentration of 100 µM, indicating significant anti-inflammatory potential. Furthermore, the in vivo xylene-induced ear edema model was employed to assess the compound's efficacy in reducing inflammation. Xylene was topically applied to the ear to induce edema, and peshawaraquinone was administered to evaluate its inhibitory effects. The findings revealed a substantial 74.19% reduction in ear edema, accompanied by decreased ear thickness and histopathological improvements, such as inhibited cell infiltration and epidermal hyperplasia. To gain further insights into the compound's mechanism of action, density functional theory (DFT) calculations were performed to investigate its spectroscopic characteristics and geometric properties. Additionally, docking studies were conducted on key targets involved in inflammation, including COX-1 and COX-2. In conclusion, this study showcases the significant anti-inflammatory potential of peshawaraquinone, offering promising prospects for its use as a natural anti-inflammatory agent. The results from both in vitro and in vivo models, as well as the mechanistic insights gained from computational analyses, provide a solid basis for further exploration of peshawaraquinone's therapeutic applications.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Taghrid S AlOmar
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Abdur Rauf
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
- Department of Chemistry, University of Swabi, Swabi, Pakistan
| | - Umer Rashid
- Department of Chemistry, COMSATS University Islamabad, Islamabad, Pakistan
| | - Sehrish Sarfaraz
- Department of Chemistry, COMSATS University Islamabad, Islamabad, Pakistan
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Islamabad, Islamabad, Pakistan
| | - Fahad Hussain
- Department of Chemistry, COMSATS University Islamabad, Islamabad, Pakistan
| | - Najla Almasoud
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Abdulaziz S AlOmar
- College of Medicine, Al-Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
| | - Gauhar Rehman
- Department of Zoology, Abdul Wali Khan University, Mardan, Pakistan
| | - Zubair Ahmad
- Department of Chemistry, University of Swabi, Swabi, Pakistan
| | - Naveed Muhammad
- Department of Pharmacy, Abdul Wali Khan University, Mardan, Pakistan
| | - Zafar Ali Shah
- Department of Biochemistry, Agriculture University of Peshawar, Peshawar, Pakistan
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Haritha M, Suresh CH. Quantum chemical studies on the binding domain of SARS-CoV-2 S-protein: human ACE2 interface complex. J Biomol Struct Dyn 2023; 41:7354-7364. [PMID: 36099187 DOI: 10.1080/07391102.2022.2120537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 08/29/2022] [Indexed: 10/14/2022]
Abstract
A two-layer ONIOM(B3LYP/6-31G*:PM7) method is used to model the binding of several drug/drug-like molecules (L) at the SARS-CoV-2 S-protein: human ACE2 protein interface cavity. The selected molecules include a set of thirty-five ligands from the study of Smith and Smith which showed a high docking score in the range of -7.0 to -7.7 kcal/mol and another set of seven repurposing drugs, viz. favipiravir, remdesivir, EIDD, galidesivir, triazavirin, ruxolitinib, and baricitinib. The ONIOM model of the cavity (M) showed a highly polarized electron distribution along its top-to-bottom direction while Ls with lengths in the range 1.0 - 1.5 nm fitted well inside the cavity in a head-to-tail fashion to yield ML complexes. The ligands showed a large variation in the ONIOM-level binding energy (Eb), in the range -2.7 to -85.4 kcal/mol. The Eb of ML complexes better than -40.0 kcal/mol is observed for myricetin, fidarestat, protirelin, m-digallic acid, glucogallin, benserazide hydrochlorideseradie, remdesivir, tazobactum, sapropterin, nitrofurantoin, quinonoid, pyruvic acid calcium isoniazid, and aspartame, and among them the highest Eb -85.4 kcal/mol is observed for myricetin. A hydroxy substitution is suggested for the phenyl ring of aspartame to improve its binding behavior at the cavity, and the resulting ligand 43 showed the best Eb -84.5 kcal/mol. The ONIOM-level study is found to be effective for the interpretation of the noncovalent interactions resulting from residues such as arginine, histidine, tyrosine, lysine, carboxylate, and amide moieties in the active site and suggests rational design strategies for COVID-19 drug development.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mambatta Haritha
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Cherumuttathu H Suresh
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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Santiago-Silva KMD, Camargo P, Felix da Silva Gomes G, Sotero AP, Orsato A, Perez CC, Nakazato G, da Silva Lima CH, Bispo M. In silico approach identified benzoylguanidines as SARS-CoV-2 main protease (M pro) potential inhibitors. J Biomol Struct Dyn 2023; 41:7686-7699. [PMID: 36124832 DOI: 10.1080/07391102.2022.2123396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 09/06/2022] [Indexed: 10/14/2022]
Abstract
The coronavirus disease-2019 (COVID-19) pandemic, caused by the novel coronavirus severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2), became the highest public health crisis nowadays. Although the use of approved vaccines for emergency immunization and the reuse of FDA-approved drugs remains at the forefront, the search for new, more selective, and potent drug candidates from synthetic compounds is also a viable alternative to combat this viral disease. In this context, the present study employed a computational virtual screening approach based on molecular docking and molecular dynamics (MD) simulation to identify possible inhibitors for SARS-CoV-2 Mpro (main protease), an important molecular target required for the maturation of the various polyproteins involved in viral replication. The virtual screening approach selected four potential inhibitors against SARS-CoV-2 Mpro. In addition, MD simulation studies revealed changes in the positions of the ligands during the simulations compared to the complex obtained in the molecular docking studies, showing the benzoylguanidines LMed-110 and LMed-136 have a higher affinity for the active site compared to the other structures that tended to leave the active site. Besides, there was a better understanding of the formation and stability of the existing H-bonds in the formed complexes and the energetic contributions to the stability of the target-ligand molecular complexes. Finally, the in silico prediction of the ADME profile suggested that LMed-136 has drug-like characteristics and good pharmacokinetic properties. Therefore, from the present study, it can be suggested that these structures can inhibit SARS-CoV-2 Mpro. Nevertheless, further studies are needed in vitro assays to investigate the antiviral properties of these structures against SARS-CoV-2.
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Affiliation(s)
- Kaio Maciel de Santiago-Silva
- Laboratório de Síntese de Moléculas Medicinais (LaSMMed), Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Priscila Camargo
- Laboratório de Síntese de Moléculas Medicinais (LaSMMed), Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Gabriel Felix da Silva Gomes
- Laboratório de Síntese de Moléculas Medicinais (LaSMMed), Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Ana Paula Sotero
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alexandre Orsato
- Laboratório de Síntese de Moléculas Medicinais (LaSMMed), Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Carla Cristina Perez
- Laboratório de Síntese de Moléculas Medicinais (LaSMMed), Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Gerson Nakazato
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Camilo Henrique da Silva Lima
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcelle Bispo
- Laboratório de Síntese de Moléculas Medicinais (LaSMMed), Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Brazil
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19
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Lefin N, Herrera-Belén L, Farias JG, Beltrán JF. Review and perspective on bioinformatics tools using machine learning and deep learning for predicting antiviral peptides. Mol Divers 2023:10.1007/s11030-023-10718-3. [PMID: 37626205 DOI: 10.1007/s11030-023-10718-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023]
Abstract
Viruses constitute a constant threat to global health and have caused millions of human and animal deaths throughout human history. Despite advances in the discovery of antiviral compounds that help fight these pathogens, finding a solution to this problem continues to be a task that consumes time and financial resources. Currently, artificial intelligence (AI) has revolutionized many areas of the biological sciences, making it possible to decipher patterns in amino acid sequences that encode different functions and activities. Within the field of AI, machine learning, and deep learning algorithms have been used to discover antimicrobial peptides. Due to their effectiveness and specificity, antimicrobial peptides (AMPs) hold excellent promise for treating various infections caused by pathogens. Antiviral peptides (AVPs) are a specific type of AMPs that have activity against certain viruses. Unlike the research focused on the development of tools and methods for the prediction of antimicrobial peptides, those related to the prediction of AVPs are still scarce. Given the significance of AVPs as potential pharmaceutical options for human and animal health and the ongoing AI revolution, we have reviewed and summarized the current machine learning and deep learning-based tools and methods available for predicting these types of peptides.
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Affiliation(s)
- Nicolás Lefin
- Department of Chemical Engineering, Faculty of Engineering and Science, University of La Frontera, Ave. Francisco Salazar, 01145, Temuco, Chile
| | - Lisandra Herrera-Belén
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomás, Temuco, Chile
| | - Jorge G Farias
- Department of Chemical Engineering, Faculty of Engineering and Science, University of La Frontera, Ave. Francisco Salazar, 01145, Temuco, Chile
| | - Jorge F Beltrán
- Department of Chemical Engineering, Faculty of Engineering and Science, University of La Frontera, Ave. Francisco Salazar, 01145, Temuco, Chile.
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20
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Akinyele OF, Fakola EG, Adeboye OO, Chinuomah SC. Investigation of Methyl-5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxyhydrazide Derivatives as Potential Inhibitors of COVID-19 Main Protease: DFT and Molecular Docking Study. Bioinform Biol Insights 2023; 17:11779322231182050. [PMID: 37377795 PMCID: PMC10291222 DOI: 10.1177/11779322231182050] [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: 01/31/2023] [Accepted: 05/27/2023] [Indexed: 06/29/2023] Open
Abstract
The search for effective therapeutics to combat COVID-19 has led to the exploration of the biological activity of numerous compounds. In this study, hydrazones derived from oseltamivir intermediate, methyl 5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate have been investigated for their potential as drug candidates against the COVID-19 virus using computational methods, including density functional theory (DFT) studies, molecular docking, and absorption, distribution, metabolism, excretion and toxicity (ADMET) analysis. The DFT studies provide information on the electronic properties of the compounds while the molecular docking results using AutoDock reported the binding energies between the main protease of COVID-19 and the compounds. The DFT results revealed that the energy gap of the compounds ranged from 4.32 to 5.82 eV while compound HC had the highest energy gap (5.82 eV) and chemical potential (2.90 eV). The electrophilicity index values of the 11 compounds ranged from 2.49 to 3.86, thus they were classified as strong electrophiles. The molecular electrostatic potential (MESP) revealed electron-rich and electron-deficient regions of the compounds. The docking results reveal that all the compounds had better docking scores than remdesivir and chloroquine, frontline drugs employed in combating COVID-19, with HC having the best docking score of -6.5. The results were visualized using Discovery studio, which revealed hydrogen bonding, pi-alkyl interaction, alkyl interaction, salt bridge interaction, halogen interaction as being responsible for the docking scores. The drug-likeness results showed that the compounds qualify as oral drug candidates as none of them violated Vebers and Lipinski's rule. Thus, they could serve as potential inhibitors of COVID-19.
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21
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Schake P, Dishnica K, Kaiser F, Leberecht C, Haupt VJ, Schroeder M. An interaction-based drug discovery screen explains known SARS-CoV-2 inhibitors and predicts new compound scaffolds. Sci Rep 2023; 13:9204. [PMID: 37280244 DOI: 10.1038/s41598-023-35671-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 05/19/2023] [Indexed: 06/08/2023] Open
Abstract
The recent outbreak of the COVID-19 pandemic caused by severe acute respiratory syndrome-Coronavirus-2 (SARS-CoV-2) has shown the necessity for fast and broad drug discovery methods to enable us to react quickly to novel and highly infectious diseases. A well-known SARS-CoV-2 target is the viral main 3-chymotrypsin-like cysteine protease (Mpro), known to control coronavirus replication, which is essential for the viral life cycle. Here, we applied an interaction-based drug repositioning algorithm on all protein-compound complexes available in the protein database (PDB) to identify Mpro inhibitors and potential novel compound scaffolds against SARS-CoV-2. The screen revealed a heterogeneous set of 692 potential Mpro inhibitors containing known ones such as Dasatinib, Amodiaquine, and Flavin mononucleotide, as well as so far untested chemical scaffolds. In a follow-up evaluation, we used publicly available data published almost two years after the screen to validate our results. In total, we are able to validate 17% of the top 100 predictions with publicly available data and can furthermore show that predicted compounds do cover scaffolds that are yet not associated with Mpro. Finally, we detected a potentially important binding pattern consisting of 3 hydrogen bonds with hydrogen donors of an oxyanion hole within the active side of Mpro. Overall, these results give hope that we will be better prepared for future pandemics and that drug development will become more efficient in the upcoming years.
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Affiliation(s)
- Philipp Schake
- Bioinformatics, Biotechnology Center (BIOTEC), Technische Universität Dresden, Dresden, Saxony, Germany.
| | | | | | | | | | - Michael Schroeder
- Bioinformatics, Biotechnology Center (BIOTEC), Technische Universität Dresden, Dresden, Saxony, Germany
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22
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Rescifina A. Progress of the "Molecular Informatics" Section in 2022. Int J Mol Sci 2023; 24:ijms24119442. [PMID: 37298393 DOI: 10.3390/ijms24119442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023] Open
Abstract
This is the first Editorial of the "Molecular Informatics" Section (MIS) of the International Journal of Molecular Sciences (IJMS), which was created towards the end of 2018 (the first article was submitted on 27 September 2018) and has experienced significant growth from 2018 to now [...].
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Affiliation(s)
- Antonio Rescifina
- Department of Drug and Health Sciences, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
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23
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Al-Wahaibi LH, Abou-Zied HA, Beshr EAM, Youssif BGM, Hayallah AM, Abdel-Aziz M. Design, Synthesis, Antiproliferative Actions, and DFT Studies of New Bis-Pyrazoline Derivatives as Dual EGFR/BRAF V600E Inhibitors. Int J Mol Sci 2023; 24:9104. [PMID: 37240450 PMCID: PMC10218941 DOI: 10.3390/ijms24109104] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 05/14/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Some new Bis-pyrazoline hybrids 8-17 with dual EGFR and BRAFV600E inhibitors have been developed. The target compounds were synthesized and tested in vitro against four cancer cell lines. Compounds 12, 15, and 17 demonstrated strong antiproliferative activity with GI50 values of 1.05 µM, 1.50 µM, and 1.20 µM, respectively. Hybrids showed dual inhibition of EGFR and BRAFV600E. Compounds 12, 15, and 17 inhibited EGFR-like erlotinib and exhibited promising anticancer activity. Compound 12 is the most potent inhibitor of cancer cell proliferation and BRAFV600E. Compounds 12 and 17 induced apoptosis by increasing caspase 3, 8, and Bax levels, and resulted in the downregulation of the antiapoptotic Bcl2. The molecular docking studies verified that compounds 12, 15, and 17 have the potential to be dual EGFR/BRAFV600E inhibitors. Additionally, in silico ADMET prediction revealed that most synthesized bis-pyrazoline hybrids have low toxicity and adverse effects. DFT studies for the two most active compounds, 12 and 15, were also carried out. The values of the HOMO and LUMO energies, as well as softness and hardness, were computationally investigated using the DFT method. These findings agreed well with those of the in vitro research and molecular docking study.
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Affiliation(s)
- Lamya H. Al-Wahaibi
- Department of Chemistry, College of Sciences, Princess Nourah bint Abdulrahman University, Riyadh 11564, Saudi Arabia;
| | - Hesham A. Abou-Zied
- Medicinal Chemistry Department, Faculty of Pharmacy, Deraya University, Minia 61111, Egypt; (H.A.A.-Z.); (M.A.-A.)
| | - Eman A. M. Beshr
- Medicinal Chemistry Department, Faculty of Pharmacy, Minia University, Minia 61519, Egypt;
| | - Bahaa G. M. Youssif
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Alaa M. Hayallah
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Sphinx University, Assiut 71515, Egypt
| | - Mohamed Abdel-Aziz
- Medicinal Chemistry Department, Faculty of Pharmacy, Deraya University, Minia 61111, Egypt; (H.A.A.-Z.); (M.A.-A.)
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24
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Manikanttha M, Deepti K, Tej MB, Tej MB, Gopi Reddy A, Kapavarapu R, Barange DK, V Basaveswara Rao M, Pal M. Ultrasound assisted Cu-catalyzed Ullmann-Goldberg type coupling-cyclization in a single pot: Synthesis and in silico evaluation of 11 H-pyrido[2,1- b]quinazolin-11-ones against SARS-CoV-2 RdRp. J Mol Struct 2023; 1280:135044. [PMID: 36743447 PMCID: PMC9884102 DOI: 10.1016/j.molstruc.2023.135044] [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: 12/07/2022] [Revised: 01/13/2023] [Accepted: 01/26/2023] [Indexed: 01/30/2023]
Abstract
The in silico evaluation of 11H-pyrido[2,1-b]quinazolin-11-one derivatives against SARS-CoV-2 RdRp was undertaken based on the reports on antiviral activities of this class of compounds in addition to the promising interactions of the antiviral drug penciclovir as well as quinazoline derivatives with SARS-CoV-2 RdRp in silico. The target compounds were prepared via an Ullmann-Goldberg type coupling followed by the subsequent cyclization (involving amidation) in a single pot. The methodology involved a CuI-catalyzed reaction of 2-iodobenzoate ester with 2-aminopyridine or quinolin-2-amine or thiazol-2-amine under ultrasound to give the expected products in acceptable (51-93%) yields. The molecular interactions of the synthesized 11H-pyrido[2,1-b]quinazolin-11-one derivatives with the SARS-CoV-2 RdRp (PDB: 7AAP) were evaluated in silico. The study suggested that though none of these compounds showed interactions better than penciclovir but the compound 3a and 3n appeared to be comparable along with 3b seemed to be nearly comparable to favipiravir and remdesivir. The compound 3n with the best binding energy (-79.85 Kcal/mol) participated in the H-bond interactions through its OMe group with THR556 as well as ARG624 and via the N-5 atom with the residue SER682. The in silico studies further suggested that majority of the compounds interacted with the main cavity of active site pocket whereas 3h and 3o that showed relatively lower binding energies (-66.06 and -66.28 Kcal/mol) interacted with the shallow cavity underneath the active site of SARS CoV-2 RdRp. The study also revealed that a OMe group was favourable for interaction with respect to its position in the order C-8 > C-1 > C-2. Further, the presence of a fused quinoline ring was tolerated whereas a fused thiazole ring decreased the interaction significantly. The in silico predictions of pharmacokinetic properties of 3a, 3b and 3n indicated that besides the BBB (Blood Brain Barrier) penetration potential these molecules may show a good overall ADME. Overall, the regioisomers 3a, 3b and 3n have emerged as molecules of possible interest in the context of targeting COVID-19.
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Affiliation(s)
- Matta Manikanttha
- Department of Chemistry, Koneru Lakshmaiah Education Foundation, Greenfields, Vaddeswaram, Guntur, Andhra Pradesh 522 502, India
| | - Kolli Deepti
- Department of Chemistry, Koneru Lakshmaiah Education Foundation, Greenfields, Vaddeswaram, Guntur, Andhra Pradesh 522 502, India
| | - Mandava Bhuvan Tej
- Department of Healthcare informatics, Sacred Heart University, 5151 Park Avenue, Fair fields, Connecticut CT06825, USA
| | - Mandava Bhagya Tej
- Department of MBBS, NRI Academi of Medical Sciences, Chinakakani, Guntur, Andhra Pradesh 522503, India
| | - A. Gopi Reddy
- Department of Pharmaceutical Chemistry, SANA College of Pharmacy, Kodad, Telangana, India
| | - Ravikumar Kapavarapu
- Department of Pharmaceutical Chemistry and Phytochemistry, Nirmala College of Pharmacy, Mangalagiri, Andhra Pradesh, India
| | | | - M. V Basaveswara Rao
- Department of Chemistry, Krishna University, Krishna District, Andhra Pradesh, India,Corresponding authors
| | - Manojit Pal
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Hyderabad 500046, India,Corresponding authors
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Bodun DS, Omoboyowa DA, Omotuyi OI, Olugbogi EA, Balogun TA, Ezeh CJ, Omirin ES. QSAR-based virtual screening of traditional Chinese medicine for the identification of mitotic kinesin Eg5 inhibitors. Comput Biol Chem 2023; 104:107865. [PMID: 37062146 DOI: 10.1016/j.compbiolchem.2023.107865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/31/2023] [Accepted: 04/01/2023] [Indexed: 04/18/2023]
Abstract
Cell division is a crucial process for the growth and development of all living organisms. Unfortunately, uncontrolled cell division and growth is a hallmark of cancer, leading to the formation of tumors. The Human Eg5 protein, also known as the mitotic kinesin Eg5, plays a vital role in the regulation of cell division and its dysfunction has been linked to cancer development. This study aimed to identify new inhibitors of the Human Eg5 protein. Over 2000 Traditional Chinese Medicine (TCM) compounds were screened through a combination of virtual and structure-based screening methods. The top five compounds (Compounds 1-5) showed improved binding affinity to Human Eg5 compared to the standard drug Monastrol, as demonstrated by docking and MMGBSA scores, as well as interactions with key amino acids GLY 116 and GLY 118. The potential absorption and bioactivity of these compounds were also predicted through ADMET properties and a QSAR model, respectively, and showed improved results compared to the standard. Further quantum mechanics docking confirmed the better binding affinity of the lead compound, Compound 1. Our findings highlight Compound 1-5 as promising hits for inhibiting Human Eg5 and the need for experimental validation of their potential in treating cancer.
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Affiliation(s)
- Damilola S Bodun
- Department of Biochemistry, Adekunle Ajasin University, Akungba-Akoko, Ondo State, Nigeria.
| | - Damilola A Omoboyowa
- Department of Biochemistry, Adekunle Ajasin University, Akungba-Akoko, Ondo State, Nigeria
| | - Olaposi I Omotuyi
- Department of Pharmacology and Toxicology, College of Pharmacy, Afe Babalola University, Ado Ekiti, Nigeria
| | - Ezekiel A Olugbogi
- Department of Biochemistry, Adekunle Ajasin University, Akungba-Akoko, Ondo State, Nigeria
| | - Toheeb A Balogun
- Department of Biological Sciences, University of California, San Diego, San Diego, CA, United States
| | - Chiamaka J Ezeh
- Department of Biochemistry, Micheal Okpara University of Agriculture, Umudike, Abia State, Nigeria
| | - Emmanuel S Omirin
- Department of Biochemistry, Adekunle Ajasin University, Akungba-Akoko, Ondo State, Nigeria
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26
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Şahin İ, Çeşme M, Yüce N, Tümer F. Discovery of new 1,4-disubstituted 1,2,3-triazoles: in silico ADME profiling, molecular docking and biological evaluation studies. J Biomol Struct Dyn 2023; 41:1988-2001. [PMID: 35057704 DOI: 10.1080/07391102.2022.2025905] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
In this work, eight new 1,2,3-triazoles (6a-h) were synthesized from acetylenes' "click" reaction with p-substituted azide derivatives. The structures of the compounds were characterized using standard analytical and spectroscopic methods (elemental analysis, FT-IR, 1H(13C)NMR). The anticancer, antioxidant, α-amylase, ADME, molecular docking studies of synthesized triazoles were investigated. According to α -amylase enzyme inhibition results, all compounds except 6c (IC50: 2299 μg/mL) were found to have a higher IC50 value than the standard drug acarbose (IC50: 891 μg/mL). Compound 6g (IC50: 68 μg/mL) exhibited 13 times higher activity than standard acarbose. All compounds, except 6e, have been shown to have greater DPPH radical scavenging capabilities than BHT and β-carotene standards. According to ABTS radical scavenging studies, all compounds showed higher scavenging activity than ascorbic acid and Trolox. To determine the anticancer activity of the synthesized compounds, they were screened against the Hela cell line, and the results were compared with standard cisplatin (IC50: 16.30 μg/mL). Compound 6a (IC50: 49.03 μg/mL) was determined to have moderate activity relative to cisplatin. The compounds were examined comprehensively for ADME characteristics and did not violate any drug-likeness rule. ADME data showed that all physicochemical and pharmacological parameters of the compounds remained within defined limits as specified in Lipinski's rules (RO5) and put forth a high bioavailability profile. The molecular docking findings show that all molecules have a high affinity by exhibiting polar and apolar contact with essential residues in the binding pocket of α-amylase.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- İrfan Şahin
- Department of Chemistry, Faculty of Art and Sciences, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Mustafa Çeşme
- Department of Chemistry, Faculty of Art and Sciences, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Neslihan Yüce
- Department of Medical Biochemistry, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Ferhan Tümer
- Department of Chemistry, Faculty of Art and Sciences, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
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27
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Oner E, Demirhan I, Miraloglu M, Yalin S, Kurutas EB. Investigation of antiviral substances in Covid 19 by Molecular Docking: In Silico Study. Afr Health Sci 2023; 23:23-36. [PMID: 37545919 PMCID: PMC10398506 DOI: 10.4314/ahs.v23i1.4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023] Open
Abstract
Aims This paper aimed to investigate the antiviral drugs against Sars-Cov-2 main protease (MPro) using in silico methods. Material and Method A search was made for antiviral drugs in the PubChem database and antiviral drugs such as Bictegravir, Emtricitabine, Entecavir, Lamivudine, Tenofovir, Favipiravir, Hydroxychloroquine, Lopinavir, Oseltamavir, Remdevisir, Ribavirin, Ritonavir were included in our study. The protein structure of Sars-Cov-2 Mpro (PDB ID: 6LU7) was taken from the Protein Data Bank (www.rcsb. Org) system and included in our study. Molecular docking was performed using AutoDock/Vina, a computational docking program. Protein-ligand interactions were performed with the AutoDock Vina program. 3D visualizations were made with the Discovery Studio 2020 program. N3 inhibitor method was used for our validation. Results In the present study, bictegravir, remdevisir and lopinavir compounds in the Sars-Cov-2 Mpro structure showed higher binding affinity compared to the antiviral compounds N3 inhibitor, according to our molecular insertion results. However, the favipiravir, emtricitabine and lamuvidune compounds were detected very low binding affinity. Other antiviral compounds were found close binding affinity with the N3 inhibitor. Conclusion Bictegravir, remdevisir and lopinavir drugs showed very good results compared to the N3 inhibitor. Therefore, they could be inhibitory in the Sars Cov-2 Mpro target.
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Affiliation(s)
- Erkan Oner
- Department of Biochemistry, Faculty of Pharmacy, Mersin University, Mersin, 33090, Türkey
| | - Ilter Demirhan
- Vocational School of Health Services, Department of Electronics-Automation Biomedical Device Tecnology Program, Harran University, Sanlıurfa, 63090, Türkey
| | - Meral Miraloglu
- Department of Medical Microbiology, Cukurova University, Medical Faculty, Adana, Türkey
| | - Serap Yalin
- Department of Biochemistry, Faculty of Pharmacy, Mersin University, Mersin, 33090, Türkey
| | - Ergul Belge Kurutas
- Department of Medical Biochemistry, Faculty of Medicine, Sutcu Imam Univestiy, Kahramanmaras, 46090, Türkey
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28
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Hosny S, Ragab MS, Abd El-Baki RF. Synthesis of a new sulfadimidine Schiff base and their nano complexes as potential anti-COVID-19 and anti-cancer activity. Sci Rep 2023; 13:1502. [PMID: 36707628 PMCID: PMC9880939 DOI: 10.1038/s41598-023-28402-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 01/18/2023] [Indexed: 01/29/2023] Open
Abstract
The primary objective of this study was to describe the cytotoxicity on HEPG-2 cells and to study the COVID‑19 activities of the novel H2L ligand and its Cr and Cu nano-complexes. As well as exploring the chemistry of the prepared nano-complexes. In this paper novel Schiff base, N-(4, 6-dimethyl pyrimidin-2-yl)-4-(((2-hydroxyl naphthalene-1-y l) methylene) amino) benzene-sulfonamidesulfonyl) amide has been synthesized. The novel Schiff base H2L is used to synthesize novel nano and micro-complexes with CrCl2.6H2O and CuCl2.2H2O. The prepared ligand and micro complexes were interpreted by different spectroscopic techniques. The nano-sized Cr and Cu complexes were synthesized in an environmentally friendly manner using Coriandrum sativum (CS) media extract in ethanol. The structure, morphologies and particle size of the nano-sized complexes were determined using FT-IR, TEM, and PXRD. The results showed that the nano-domain complexes are on the Sub-nano scale. Furthermore, using TGA, we studied the effect of heat on the size of newly prepared nano-complexes. Experimental data were supported by DFT calculations. The findings revealed that the metal complexes investigated are more stable than the free ligand H2L. The antitumor activity was examined before and after heating the nano-complexes at 200 °C. The results reveal the Cr nano complex, after heating, exhibited strong antitumor activity with IC50 value (3.349 μg/ml). The tested Cu nano-complex shows good DNA cleavage. The liver cancer and COVID19 proteins were examined using molecular docking to identify the potential binding energy of inhibitors.
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Affiliation(s)
- Shimaa Hosny
- Department of Chemistry, Faculty of Science, New Valley University, Alkharga, 72511, Egypt.
| | - Mona S Ragab
- Department of Chemistry, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Randa F Abd El-Baki
- Department of Chemistry, Faculty of Science, New Valley University, Alkharga, 72511, Egypt
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29
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Synthesis, DFT Studies, Molecular Docking and Biological Activity Evaluation of Thiazole-Sulfonamide Derivatives as Potent Alzheimer's Inhibitors. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020559. [PMID: 36677616 PMCID: PMC9860845 DOI: 10.3390/molecules28020559] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/18/2022] [Accepted: 12/30/2022] [Indexed: 01/09/2023]
Abstract
Alzheimer's disease is a major public brain condition that has resulted in many deaths, as revealed by the World Health Organization (WHO). Conventional Alzheimer's treatments such as chemotherapy, surgery, and radiotherapy are not very effective and are usually associated with several adverse effects. Therefore, it is necessary to find a new therapeutic approach that completely treats Alzheimer's disease without many side effects. In this research project, we report the synthesis and biological activities of some new thiazole-bearing sulfonamide analogs (1-21) as potent anti-Alzheimer's agents. Suitable characterization techniques were employed, and the density functional theory (DFT) computational approach, as well as in-silico molecular modeling, has been employed to assess the electronic properties and anti-Alzheimer's potency of the analogs. All analogs exhibited a varied degree of inhibitory potential, but analog 1 was found to have excellent potency (IC50 = 0.10 ± 0.05 µM for AChE) and (IC50 = 0.20 ± 0.050 µM for BuChE) as compared to the reference drug donepezil (IC50 = 2.16 ± 0.12 µM and 4.5 ± 0.11 µM). The structure-activity relationship was established, and it mainly depends upon the nature, position, number, and electron-donating/-withdrawing effects of the substituent/s on the phenyl rings.
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30
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Abdel‐Basset TA, Rezki N, Al‐Sodies SA, Aouad MR, Bashal AH, Sharfalddin AA, Jaremko M, Emwas A, Hagar M. Dielectric response and density functional theory assessment of fluorinated dicationic pyridinium ionic liquids. NANO SELECT 2022. [DOI: 10.1002/nano.202200016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Trob A. Abdel‐Basset
- Department of Physics Faculty of Science Taibah University Yanbu Saudi Arabia
- Department of Physics Faculty of Science Fayoum University Fayoum Egypt
| | - Nadjet Rezki
- Department of Chemistry College of Science Taibah University Al‐Madinah Al‐Munawarah Saudi Arabia
| | - Salsabeel A. Al‐Sodies
- Department of Chemistry College of Science Taibah University Al‐Madinah Al‐Munawarah Saudi Arabia
| | - Mohamed Reda Aouad
- Department of Chemistry College of Science Taibah University Al‐Madinah Al‐Munawarah Saudi Arabia
| | - Ali H Bashal
- Department of Chemistry College of Science Taibah University Al‐Madinah Al‐Munawarah Saudi Arabia
| | - Abeer A. Sharfalddin
- Department of Chemistry Faculty of Science King Abdulaziz University Jeddah Saudi Arabia
| | - Mariusz Jaremko
- Biological and Environmental Sciences & Engineering Division (BESE) King Abdullah University of Science and Technology (KAUST) Thuwal Saudi Arabia
| | - Abdul‐Hamid Emwas
- Core Labs King Abdullah University of Science and Technology Thuwal Saudi Arabia
| | - Mohamed Hagar
- Chemistry Department Faculty of Science Alexandria University Alexandria Egypt
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31
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Gider V, Budak C. Instruction of molecular structure similarity and scaffolds of drugs under investigation in ebola virus treatment by atom-pair and graph network: A combination of favipiravir and molnupiravir. Comput Biol Chem 2022; 101:107778. [DOI: 10.1016/j.compbiolchem.2022.107778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 11/26/2022]
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32
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Maghsoudi S, Taghavi Shahraki B, Rameh F, Nazarabi M, Fatahi Y, Akhavan O, Rabiee M, Mostafavi E, Lima EC, Saeb MR, Rabiee N. A review on computer-aided chemogenomics and drug repositioning for rational COVID-19 drug discovery. Chem Biol Drug Des 2022; 100:699-721. [PMID: 36002440 PMCID: PMC9539342 DOI: 10.1111/cbdd.14136] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/07/2022] [Accepted: 08/21/2022] [Indexed: 11/29/2022]
Abstract
Application of materials capable of energy harvesting to increase the efficiency and environmental adaptability is sometimes reflected in the ability of discovery of some traces in an environment-either experimentally or computationally-to enlarge practical application window. The emergence of computational methods, particularly computer-aided drug discovery (CADD), provides ample opportunities for the rapid discovery and development of unprecedented drugs. The expensive and time-consuming process of traditional drug discovery is no longer feasible, for nowadays the identification of potential drug candidates is much easier for therapeutic targets through elaborate in silico approaches, allowing the prediction of the toxicity of drugs, such as drug repositioning (DR) and chemical genomics (chemogenomics). Coronaviruses (CoVs) are cross-species viruses that are able to spread expeditiously from the into new host species, which in turn cause epidemic diseases. In this sense, this review furnishes an outline of computational strategies and their applications in drug discovery. A special focus is placed on chemogenomics and DR as unique and emerging system-based disciplines on CoV drug and target discovery to model protein networks against a library of compounds. Furthermore, to demonstrate the special advantages of CADD methods in rapidly finding a drug for this deadly virus, numerous examples of the recent achievements grounded on molecular docking, chemogenomics, and DR are reported, analyzed, and interpreted in detail. It is believed that the outcome of this review assists developers of energy harvesting materials and systems for detection of future unexpected kinds of CoVs or other variants.
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Affiliation(s)
- Saeid Maghsoudi
- Faculty of Medicine, Department of Physiology and PathophysiologyUniversity of ManitobaWinnipegManitobaCanada
- Biology of Breathing Group, Children's Hospital Research Institute of Manitoba (CHRIM), University of ManitobaWinnipegManitobaCanada
| | | | | | - Masoomeh Nazarabi
- Faculty of Organic Chemistry, Department of ChemistryUniversity of KashanKashanIran
| | - Yousef Fatahi
- Department of Pharmaceutical Nanotechnology, Faculty of PharmacyTehran University of Medical SciencesTehranIran
- Nanotechnology Research Center, Faculty of PharmacyTehran University of Medical SciencesTehranIran
| | - Omid Akhavan
- Department of PhysicsSharif University of TechnologyTehranIran
| | - Mohammad Rabiee
- Biomaterials Group, Department of Biomedical EngineeringAmirkabir University of TechnologyTehranIran
| | - Ebrahim Mostafavi
- Stanford Cardiovascular Institute, Stanford University School of MedicineStanfordCaliforniaUSA
- Department of MedicineStanford University School of MedicineStanfordCaliforniaUSA
| | - Eder C. Lima
- Institute of Chemistry, Federal University of Rio Grande Do Sul (UFRGS)Porto AlegreBrazil
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of ChemistryGdańsk University of TechnologyGdańskPoland
| | - Navid Rabiee
- Department of PhysicsSharif University of TechnologyTehranIran
- School of EngineeringMacquarie UniversitySydneyNew South WalesAustralia
- Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)PohangSouth Korea
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33
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Synthesis, molecular docking and anticancer potential of azolium based salts and their silver complexes: DNA/BSA interaction studies and cell cycle analysis. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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34
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Swain SS, Hussain T. Combined Bioinformatics and Combinatorial Chemistry Tools to Locate Drug-Able Anti-TB Phytochemicals: A Cost-Effective Platform for Natural Product-Based Drug Discovery. Chem Biodivers 2022; 19:e202200267. [PMID: 36307750 DOI: 10.1002/cbdv.202200267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 09/30/2022] [Indexed: 11/12/2022]
Abstract
Based on extensive experimental studies, a huge number of phytochemicals showed potential activity against tuberculosis (TB) at a lower minimum inhibitory concentration (MIC) and fewer toxicity profiles. However, these promising drugs have not been able to convert from 'lead' to 'mainstream' due to inadequate drug-ability profiles. Thus, early drug-prospective analyses are required at the primary stage to accelerate natural-product-based drug discovery with limited resources and time. In the present study, we have selected seventy-three potential anti-TB phytochemicals (MIC value ≤10 μg/mL) and assessed the drug-ability profiles using bioinformatics and combinatorial chemistry tools, systematically. Primarily, the molecular docking study was done against two putative drug targets, catalase-peroxidase enzyme (katG) and RNA polymerase subunit-β (rpoB) of Mycobacterium tuberculosis (Mtb) using AutoDock 4.2 software. Further, assessed the drug-ability score from Molsoft, toxicity profiles from ProTox, pharmacokinetics from SwisADME, hierarchical cluster analysis (HCA) by ChemMine tools and frontier molecular orbitals (FMOs) with Avogadro and structural activity relationships (SAR) analysis with ChemDraw 18.0 software. Above analyses indicated that, lower MIC exhibited anti-TB phytochemicals, abietane, 12-demethylmulticaulin exhibited poor docking and drug-ability scores, while tiliacorinine, 2-nortiliacorinine showed higher binding energy and drug-ability profiles. Overall, tiliacorinine, 2-nortiliacorinine, 7α-acetoxy-6β-hydroxyroyleanone (AHR), (2S)-naringenin and isovachhalcone were found as the most active and drug-able anti-TB candidates from 73 candidates. Phytochemicals are always a vital source of mainstream drugs, but the MIC value of a phytochemical is not sufficient for it to be promoted. An ideal drug-ability profile is therefore essential for achieving clinical success, where advanced bioinformatics tools help to assess and analyse that profile. Additionally, several natural pharmacophores found in existing anti-TB drugs in SAR analyses also provide crucial information for developing potential anti-TB drug. As a conclusion, combined bioinformatics and combinatorial chemistry are the most effective strategies to locate potent-cum-drug-able candidates in the current drug-development module.
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Affiliation(s)
- Shasank S Swain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Center, Bhubaneswar, 751023, Odisha, India
| | - Tahziba Hussain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Center, Bhubaneswar, 751023, Odisha, India
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35
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Liu J, Guo H, Zhou J, Wang Y, Yan H, Jin R, Tang Y. Evodiamine and Rutaecarpine as Potential Anticancer Compounds: A Combined Computational Study. Int J Mol Sci 2022; 23:ijms231911513. [PMID: 36232809 PMCID: PMC9570036 DOI: 10.3390/ijms231911513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/18/2022] [Accepted: 09/26/2022] [Indexed: 12/29/2022] Open
Abstract
Evodiamine (EVO) and rutaecarpine (RUT) are the main active compounds of the traditional Chinese medicinal herb Evodia rutaecarpa. Here, we fully optimized the molecular geometries of EVO and RUT at the B3LYP/6-311++G (d, p) level of density functional theory. The natural population analysis (NPA) charges, frontier molecular orbitals, molecular electrostatic potentials, and the chemical reactivity descriptors for EVO and RUT were also investigated. Furthermore, molecular docking, molecular dynamics simulations, and the analysis of the binding free energies of EVO and RUT were carried out against the anticancer target topoisomerase 1 (TOP1) to clarify their anticancer mechanisms. The docking results indicated that they could inhibit TOP1 by intercalating into the cleaved DNA-binding site to form a TOP1−DNA−ligand ternary complex, suggesting that they may be potential TOP1 inhibitors. Molecular dynamics (MD) simulations evaluated the binding stability of the TOP1−DNA−ligand ternary complex. The calculation of binding free energy showed that the binding ability of EVO with TOP1 was stronger than that of RUT. These results elucidated the structure−activity relationship and the antitumor mechanism of EVO and RUT at the molecular level. It is suggested that EVO and RUT may be potential compounds for the development of new anticancer drugs.
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Affiliation(s)
| | - Hui Guo
- Correspondence: (H.G.); (Y.T.)
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36
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Ying Z, Song Y, Wu G, Ju Y, Sun X, Ren X, Wei Q. Recovery of chromium (VI) from hazardous APV wastewater using a novel synergistic extraction system. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 839:156278. [PMID: 35654204 DOI: 10.1016/j.scitotenv.2022.156278] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/18/2022] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
As a well-known hazardous material, chromium (VI) in industrial wastewater has always attracted extensive attention. Many studies have focused on the recovery of Cr (VI) which is still challenging and received considerable interest. In this study, a novel synergistic extraction system using amide as extractant and Cyanex 272 as synergistic extractant was built to recover chromium (VI) from the APV wastewater. After optimizing the process parameters of extractant concentration, initial pH, extraction temperature, extraction time, extraction phase ratio, ammonia concentration and stripping phase ratio, the final extraction and stripping efficiency reached more than 99% and 98%, respectively. The Cr2O3 product with a purity of 99.52 was prepared and the organic phase could be effectively regenerated for recycling. The extraction mechanism of chromium (VI) in the synergistic extraction system was investigated in-depth with slope method, ESI-MS analysis and FT-IR analysis. In addition, molecular electrostatic potentials analysis was used to display visually the formation process of the extract complex. This paper offered a unique approach to guide sustainable chromium (VI) recovery from hazardous wastewater with great industrial and theoretical significance.
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Affiliation(s)
- Ziwen Ying
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yue Song
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Guixuan Wu
- Institute of Energy and Climate Research, Microstructure and Properties of Materials (IEK-2), Forschungszentrum Jülich GmbH, Leo-Brandt-Straße 1, 52425 Jülich, Germany; GTT-Technologies, Kaiserstraße 103, 52134 Herzogenrath, Germany
| | - Yun Ju
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xiangyu Sun
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xiulian Ren
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China.
| | - Qifeng Wei
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China.
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37
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Saloni, Kumari D, Ranjan P, Chakraborty T. A computational study of potential therapeutics for COVID-19 invoking conceptual density functional theory. Struct Chem 2022; 33:2195-2204. [PMID: 36097582 PMCID: PMC9452875 DOI: 10.1007/s11224-022-02048-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/28/2022] [Indexed: 01/18/2023]
Abstract
The pandemic, COVID-19, has caused social and economic disruption at a larger pace all over the world. Identification of an effective drug for the deadliest disease is still an exigency. One of the most promising approaches to combat the lethal disease is use of repurposed drugs. This study provides insights into some of the potential repurposed drugs viz. camostat mesylate, hydroxychloroquine, nitazoxanide, and oseltamivir in terms of the computational quantum chemical method. Properties of these compounds have been elucidated in terms of Conceptual Density Functional Theory (CDFT)-based descriptors, IR spectra, and thermochemical properties. Computed results specify that hydroxychloroquine is the most reactive drug among them. Thermochemical data reveals that camostat mesylate has the utmost heat capacity, entropy, and thermal energy. Our findings indicate that camostat mesylate and hydroxychloroquine may be investigated further as potential COVID-19 therapeutics. We anticipate that the current study will aid the scientific community to design and develop viable therapeutics against COVID-19.
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Affiliation(s)
- Saloni
- Department of Chemistry and Biochemistry, School of Basic Sciences and Research, Sharda University, 201310, Greater Noida, UP India
| | - Dimple Kumari
- Department of Chemistry and Biochemistry, School of Basic Sciences and Research, Sharda University, 201310, Greater Noida, UP India
| | - Prabhat Ranjan
- Department of Mechatronics Engineering, Manipal University Jaipur, Dehmi Kalan-303007, Rajasthan, India
| | - Tanmoy Chakraborty
- Department of Chemistry and Biochemistry, School of Basic Sciences and Research, Sharda University, 201310, Greater Noida, UP India
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38
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Çeşme M. 2-Aminophenol-based ligands and Cu(II) complexes: synthesis, characterization, X-ray structure, thermal and electrochemical properties, and in vitro biological evaluation, ADMET study and molecular docking simulation. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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39
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Swain SS, Singh SR, Sahoo A, Panda PK, Hussain T, Pati S. Integrated bioinformatics-cheminformatics approach toward locating pseudo-potential antiviral marine alkaloids against SARS-CoV-2-Mpro. Proteins 2022; 90:1617-1633. [PMID: 35384056 PMCID: PMC9111047 DOI: 10.1002/prot.26341] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 03/17/2022] [Accepted: 03/30/2022] [Indexed: 12/17/2022]
Abstract
The emergence of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) with the most contagious variants, alpha (B.1.1.7), beta (B.1.351), delta (B.1.617.2), and Omicron (B.1.1.529) has continuously added a higher number of morbidity and mortality, globally. The present integrated bioinformatics-cheminformatics approach was employed to locate potent antiviral marine alkaloids that could be used against SARS-CoV-2. Initially, 57 antiviral marine alkaloids and two repurposing drugs were selected from an extensive literature review. Then, the putative target enzyme SARS-CoV-2 main protease (SARS-CoV-2-Mpro) was retrieved from the protein data bank and carried out a virtual screening-cum-molecular docking study with all candidates using PyRx 0.8 and AutoDock 4.2 software. Further, the molecular dynamics (MD) simulation of the two most potential alkaloids and a drug docking complex at 100 ns (with two ligand topology files from PRODRG and ATB server, separately), the molecular mechanics/Poisson-Boltzmann surface area (MM/PBSA) free energy, and contributions of entropy were investigated. Then, the physicochemical-toxicity-pharmacokinetics-drug-likeness profiles, the frontier molecular orbitals energies (highest occupied molecular orbital, lowest unoccupied molecular orbital, and ΔE), and structural-activity relationship were assessed and analyzed. Based on binding energy, 8-hydroxymanzamine (-10.5 kcal/mol) and manzamine A (-10.1 kcal/mol) from all alkaloids with darunavir (-7.9 kcal/mol) and lopinavir (-7.4 kcal/mol) against SARS-CoV-2-Mpro were recorded. The MD simulation (RMSD, RMSF, Rg, H-bond, MM/PBSA binding energy) illustrated that the 8-hydroxymanzamine exhibits a static thermodynamic feature than the other two complexes. The predicted physicochemical, toxicity, pharmacokinetics, and drug-likeness profiles also revealed that the 8-hydroxymanzamine could be used as a potential lead candidate individually and/or synergistically with darunavir or lopinavir to combat SARS-CoV-2 infection after some pharmacological validation.
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Affiliation(s)
- Shasank S Swain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, Odisha, India
| | - Satya R Singh
- Department of Bioinformatics, Pondicherry University, Puducherry, India
| | - Alaka Sahoo
- Department of Skin & VD, Institute of Medical Sciences & SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, India
| | - Pritam Kumar Panda
- Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden
| | - Tahziba Hussain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, Odisha, India
| | - Sanghamitra Pati
- Division of Public Health and Research, ICMR-Regional Medical Research Centre, Bhubaneswar, Odisha, India
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40
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kerkour R, Chafai N, Moumeni O, Chafaa S. Novel α-aminophosphonate derivates synthesis, theoretical calculation, Molecular docking, and in silico prediction of potential inhibition of SARS-CoV-2. J Mol Struct 2022; 1272:134196. [PMID: 36193287 PMCID: PMC9519172 DOI: 10.1016/j.molstruc.2022.134196] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 09/07/2022] [Accepted: 09/21/2022] [Indexed: 01/18/2023]
Abstract
Using the Density Functional Theory approach and in silico docking, the current study analyzes the inhibitory role of a novel α-aminophosphonate derivative against SARS-CoV-2 major protease (Mpro) and RNA dependent RNA polymerase (RdRp) of SARS-CoV-2. FT-IR, UV–Vis, and NMR (1H, 13C, 31P) approaches were used to produce and confirm the novel α-aminophosphonate derivative. The quantum chemical parameters were detremined, and the reactivity of the synthesized molecule was discussed using DFT at the B3LYP/6-31G(d,p) level. In addition, the inhibitory function of the investigated derivative for SARS-CoV-2 major protease (Mpro) and RNA dependent RNA polymerase (RdRp) was estimated using in silico docking. These discoveries could pave the way for novel SARS-CoV-2 therapies to develop and be tested.
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41
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Tabbiche A, Bouchama A, Chafai N, Zaidi F, Chiter C, Yahiaoui M, Abiza A. New bis hydrazone: Synthesis, X-ray crystal structure, DFT computations, conformational study and in silico study of the inhibition activity of SARS-CoV-2. J Mol Struct 2022; 1261:132865. [PMID: 35345533 PMCID: PMC8934244 DOI: 10.1016/j.molstruc.2022.132865] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 12/16/2022]
Abstract
The aim of this work was to synthesize new bis hydrazone derived from benzil in good yield, namely: (1Z,2Z)-1,2-bis (3-Chlorophenyl Hydrazino) Benzil, encoded by 3-Cl BHB. The benzil (or 1,2-diphenyl ethanedione) reacts with 3-Cl phenyl hydrazine by reflux method using ethanol as solvent to obtain the target compound. The obtained product is depicted by UV-Vis, IR spectroscopy and XRD-crystals analysis. All various contacts intra and intermolecular found in 3-Cl BHB were determined by the X-ray diffraction technique performed on single crystals. On the other hand, the optimized geometric structure of 3-Cl BHB was computed by the DFT/B3LYP method with 6-31 G (d, p) level. So, the bond lengths and angles, frontier molecular orbitals (FMO), surface electrostatic potential of the molecule (MEP), global reactivity descriptors, Mulliken atomic charges, computed vibrational analysis and electronic absorption spectrum were determined to get a good understanding of the electronic properties and the active sites of 3-Cl BHB, then to compare them with experimental data. Additionally, a conformational study was carried out using the same method (DFT). The structure-activity relationships established through molecular docking studies showed that 3-Cl BHB structure strongly binds to the receptors Mpro (-8.90 Kcal/mol) and RdRp (-8.60 Kcal/mol) which confirm its inhibition activity against COVID-19.
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Affiliation(s)
- Abdelkader Tabbiche
- Laboratoire de Chimie, Ingénierie Moléculaire et Nanostructures, Université Ferhat Abbas Sétif 1, Sétif 19000, Algeria
- Département de chimie, Faculté des sciences, Université Ferhat Abbas-Sétif-1, Algeria
| | - Abdelaziz Bouchama
- Département de chimie, Faculté des sciences, Université Ferhat Abbas-Sétif-1, Algeria
| | - Nadjib Chafai
- Department of Process Engineering, Faculty of Technology, Laboratory of Electrochemistry of Molecular Materials and Complex (LEMMC). University of Ferhat ABBAS Setif-1, El-Mabouda campus, Sétif 19000, Algeria
| | - Farouk Zaidi
- Département de chimie, Faculté des sciences, Université Ferhat Abbas-Sétif-1, Algeria
| | - Chaabane Chiter
- Department of Process Engineering, Faculty of Technology, Laboratory of Electrochemistry of Molecular Materials and Complex (LEMMC). University of Ferhat ABBAS Setif-1, El-Mabouda campus, Sétif 19000, Algeria
| | - Messaoud Yahiaoui
- Department of Process Engineering, Faculty of Technology, Laboratory of Electrochemistry of Molecular Materials and Complex (LEMMC). University of Ferhat ABBAS Setif-1, El-Mabouda campus, Sétif 19000, Algeria
| | - Abdellah Abiza
- Laboratoire de Chimie, Ingénierie Moléculaire et Nanostructures, Université Ferhat Abbas Sétif 1, Sétif 19000, Algeria
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42
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Ansari WA, Ahamad T, Khan MA, Khan ZA, Khan MF. Exploration of Luteolin as Potential Anti-COVID-19 Agent: Molecular
Docking, Molecular Dynamic Simulation, ADMET and DFT Analysis. LETT DRUG DES DISCOV 2022. [DOI: 10.2174/1570180819666211222151725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background:
Coronavirus disease-2019 (COVID-19) has recently emerged as a pandemic
respiratory disease with mild to severe pneumonia symptoms. No clinical antiviral agent is available so
far. However, several repurposing drugs and vaccines are being given to individuals or in clinical trials
against SARS-CoV-2
Objective:
The aim of this study is to uncover the potential effects of Luteolin (Lut) as an inhibitor of
SARS-CoV2 encoded proteins via utilizing computational tools.
Method:
Molecular modelling to unfold the anti-SARS-CoV2 potential of Lut along with reference
drugs namely remdesivir and nafamostat was performed by the use of molecular docking, molecular dynamic
(MD) simulation, absorption, distribution, metabolism, excretion, toxicity (ADMET) and density
functional theory (DFT) methods against the five different SARS-CoV-2 encoded key proteins and one
human receptor protein. The chemical reactivity of Luteolin is done through prediction of HOMO-LUMO
gap energy and other chemical descriptors analysis.
Results:
In the present study, Lut binds effectively in the binding pockets of spike glycoprotein (6VSB),
ADP phosphatase of NSP3 (6W02), and RNA dependent RNA polymerase (7AAP) protein receptors with
significant values of docking scores -7.00, -7.25, and -6.46 respectively as compared to reference drugs
remdesivir and nafamostat.
Conclusion::
Thus, Lut can act as a therapeutic agent and is orally safe for human consumption as predicted
by molecular modelling against SARS-CoV-2 in the treatment of COVID-19.
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Affiliation(s)
- Waseem Ahmad Ansari
- Department of Biotechnology, Era’s Lucknow Medical College & Hospital, Era University, Lucknow 226003, UP,
India
| | - Tanveer Ahamad
- Department of Biotechnology, Era’s Lucknow Medical College & Hospital, Era University, Lucknow 226003, UP,
India
| | - Mohsin Ali Khan
- Department of Biotechnology, Era’s Lucknow Medical College & Hospital, Era University, Lucknow 226003, UP,
India
| | - Zaw Ali Khan
- Department of Biotechnology, Era’s Lucknow Medical College & Hospital, Era University, Lucknow 226003, UP,
India
| | - Mohammad Faheem Khan
- Department of Biotechnology, Era’s Lucknow Medical College & Hospital, Era University, Lucknow 226003, UP,
India
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43
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Investigate oxoazolidine-2,4-dione based eutectic mixture via DFT calculations and SAR. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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44
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Investigation of Major Flavonoids from Artemisia argyi as a Potential COVID-19 Drug: Molecular Docking and DFT Calculations. CRYSTALS 2022. [DOI: 10.3390/cryst12070990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Flavonoids from natural products are well-identified as potential antiviral agents in the treatment of SARS-CoV-2 (COVID-19) infection and related diseases. However, some major species of flavonoids from Chinese traditional folk medicine, such as of Artemisia argyi (A. argyi), have not been evaluated yet. Here, we choose five major flavonoids obtained from A. argyi, namely, Jaceosidin (1), Eupatilin (2), Apigenin (3), Eupafolin (4), and 5,6-Dihydroxy-7,3′,4′-trimethoxyflavone (5), compared to the well-studied Baicalein (6), as potential inhibitors analogs for COVID-19 by computational modeling strategies. The frontier molecular orbitals (FMOs), chemical reactivity descriptors, and electrostatic surface potential (ESP) were performed by density functional theory (DFT) calculations. Additionally, these flavonoids were docked on the main protease (PDB: 6LU7) of SARS-CoV-2 to evaluate the binding affinities. Computational analysis predicted that all of these compounds show a high affinity and might serve as potential inhibitors to SARS-CoV-2, among which compound (5) exhibits the least binding energy (−155.226 kcal/mol). The high binding affinity could be enhanced by increasing the electron repulsion due to the valence shell electron pair repulsion model (VSEPR). Consequently, the major flavonoids in Artemisia argyi have a significant ability to reduce the deterioration of COVID-19 in the terms of DFT calculations and molecular docking.
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45
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Gao K, Wang R, Chen J, Cheng L, Frishcosy J, Huzumi Y, Qiu Y, Schluckbier T, Wei X, Wei GW. Methodology-Centered Review of Molecular Modeling, Simulation, and Prediction of SARS-CoV-2. Chem Rev 2022; 122:11287-11368. [PMID: 35594413 PMCID: PMC9159519 DOI: 10.1021/acs.chemrev.1c00965] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Despite tremendous efforts in the past two years, our understanding of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), virus-host interactions, immune response, virulence, transmission, and evolution is still very limited. This limitation calls for further in-depth investigation. Computational studies have become an indispensable component in combating coronavirus disease 2019 (COVID-19) due to their low cost, their efficiency, and the fact that they are free from safety and ethical constraints. Additionally, the mechanism that governs the global evolution and transmission of SARS-CoV-2 cannot be revealed from individual experiments and was discovered by integrating genotyping of massive viral sequences, biophysical modeling of protein-protein interactions, deep mutational data, deep learning, and advanced mathematics. There exists a tsunami of literature on the molecular modeling, simulations, and predictions of SARS-CoV-2 and related developments of drugs, vaccines, antibodies, and diagnostics. To provide readers with a quick update about this literature, we present a comprehensive and systematic methodology-centered review. Aspects such as molecular biophysics, bioinformatics, cheminformatics, machine learning, and mathematics are discussed. This review will be beneficial to researchers who are looking for ways to contribute to SARS-CoV-2 studies and those who are interested in the status of the field.
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Affiliation(s)
- Kaifu Gao
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Rui Wang
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Jiahui Chen
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Limei Cheng
- Clinical
Pharmacology and Pharmacometrics, Bristol
Myers Squibb, Princeton, New Jersey 08536, United States
| | - Jaclyn Frishcosy
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Yuta Huzumi
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Yuchi Qiu
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Tom Schluckbier
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Xiaoqi Wei
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Guo-Wei Wei
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
- Department
of Electrical and Computer Engineering, Michigan State University, East Lansing, Michigan 48824, United States
- Department
of Biochemistry and Molecular Biology, Michigan
State University, East Lansing, Michigan 48824, United States
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46
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Toumi A, Boudriga S, Mandour YM, Mekki AA, Knorr M, Strohmann C, Kirchhoff JL, Sobeh M. Design of Novel Enantiopure Dispirooxindolopyrrolidine-Piperidones as Promising Candidates toward COVID-19: Asymmetric Synthesis, Crystal Structure and In Silico Studies. Molecules 2022; 27:molecules27123945. [PMID: 35745069 PMCID: PMC9228936 DOI: 10.3390/molecules27123945] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 06/13/2022] [Accepted: 06/13/2022] [Indexed: 02/04/2023] Open
Abstract
Despite the effectiveness of COVID-19 vaccines, there is still an urgent need for discovering new anti-viral drugs to address the awful spread and transmission of the rapidly modifiable virus. In this study, the ability of a small library of enantiomerically pure spirooxindolopyrrolidine-grafted piperidones to inhibit the main protease of SARS-CoV-2 (Mpro) is evaluated. These spiroheterocycles were synthesized by 1,3-dipolar cycloaddition of various stabilized azomethine ylides with chiral dipolarophiles derived from N-[(S)-(-)-methylbenzyl]-4-piperidone. The absolute configuration of contiguous carbons was confirmed by a single crystal X-ray diffraction analysis. The binding of these compounds to SARS-CoV-2 Mpro was investigated using molecular docking and molecular dynamics simulation. Three compounds 4a, 4b and 4e exhibited stable binding modes interacting with the key subsites of the substrate-binding pocket of SARS-CoV-2 Mpro. The synthesized compounds represent potential leads for the development of novel inhibitors of SARS-CoV-2 main protease protein for COVID-19 treatment.
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Affiliation(s)
- Amani Toumi
- Laboratory of Heterocyclic Chemistry Natural Product and Reactivity (LR11ES39), Department of Chemistry, Faculty of Science of Monastir, University of Monastir, Monastir 5019, Tunisia;
| | - Sarra Boudriga
- Laboratory of Heterocyclic Chemistry Natural Product and Reactivity (LR11ES39), Department of Chemistry, Faculty of Science of Monastir, University of Monastir, Monastir 5019, Tunisia;
- Correspondence: (S.B.); (M.S.)
| | - Yasmine M. Mandour
- School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, New Administrative Capital, Cairo 11578, Egypt; (Y.M.M.); (A.A.M.)
| | - Ahmed A. Mekki
- School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, New Administrative Capital, Cairo 11578, Egypt; (Y.M.M.); (A.A.M.)
| | - Michael Knorr
- Institut UTINAM-UMR CNRS 6213, Université Bourgogne Franche-Comté, 16 Route de Gray, 25030 Besançon, France;
| | - Carsten Strohmann
- Faculty of Chemistry and Chemical Biology, Inorganic Chemistry, Technische Universität Dortmund, Otto-Hahn-Strasse 6, 44227 Dortmund, Germany; (C.S.); (J.-L.K.)
| | - Jan-Lukas Kirchhoff
- Faculty of Chemistry and Chemical Biology, Inorganic Chemistry, Technische Universität Dortmund, Otto-Hahn-Strasse 6, 44227 Dortmund, Germany; (C.S.); (J.-L.K.)
| | - Mansour Sobeh
- AgroBioSciences Research, Mohammed VI Polytechnic University, Lot 660-Hay MoulayRachid, Ben Guerir 43150, Morocco
- Correspondence: (S.B.); (M.S.)
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BREAK LM, GOBOURI AA, Al-HSRTHI WS, HAGAR M, Al-KAFF NS, SAID MA. Design, synthesis, and greener pasture biological assessment of a novel nucleoside: 1-(α-D-ribofuranosyl)-6,7-difluoro-2-methyl-4-quinazolinone as an inhibitor of COVID-19 and Alzheimer's disease. Turk J Chem 2022; 46:1827-1840. [PMID: 37621349 PMCID: PMC10446935 DOI: 10.55730/1300-0527.3483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 12/19/2022] [Accepted: 06/16/2022] [Indexed: 12/24/2022] Open
Abstract
Synthesis of a new fluorinated nucleoside of 6,7-difluoro-2-methyl-4-quinazolinone was described. 2-Amino-4,5-difluorobenzoic acid 1 reacts with (CH3CO)2O followed by ammonia to form (1H)-6,7-difluoro-2-methyl-4-quinazolinone 3a. Ribosylation of a silylated 4 with l-O-acety1-2,3-5-tri-O-benzoyl-α-D-ribofuranose 5 forms a protected nucleoside 6 then unprotected from 6 to give a free nucleoside 7. Greener pasture biological docking of the cystine protease of COVID-19 [Mpro, code 7BQY, PDB] by novel nucleoside and fluoroquinazoline compounds is presented. LIGPLOT (2D) representations calculated for the same ligands are shown. A superposition of remdesivir approved medicine, N3 inhibitor, and our ligands docked together into the binding protein of 7BQY is also given for a fair comparison. The binding affinities of remdesivir, N3 inhibitor, the nucleoside 7, and fluoroquinazoline 3a, 3b compounds with 7BQY calculated under the same conditions are -7.7, -7.4, -7.6, -6.1, and -6.1 kcal mol-1, respectively. The high values were due to the existence of many hydrophobic interactions and hydrogen bonds between the ligands and the active amino acid residues of the receptor, indicating a promising candidate as a COVID-19 inhibitor. Pro Tox -II server showed that compound 7 has a similar feature to the approved antiviral drug remdesivir for COVID-19. Additionally, a fascinating molecular modeling investigation showed that our nucleoside demonstrated good binding inhibition of AChE enzyme towards advancing an efficient medication against Alzheimer's disease. Finally, DFT has been conducted to illustrate the MD results in terms of the molecular descriptor-based structural activity relationship calculated from FMOs.
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Affiliation(s)
- Laila M. BREAK
- Department of Chemistry, College of Science, Taif University, Taif,
Saudi Arabia
| | - Adil A. GOBOURI
- Department of Chemistry, College of Science, Taif University, Taif,
Saudi Arabia
| | - Wafa S. Al-HSRTHI
- Department of Chemistry, College of Science, Taif University, Taif,
Saudi Arabia
| | - Mohamed HAGAR
- Department of Chemistry, Faculty of Science, Alexandria University, Alexandria,
Egypt
| | - Nadia S. Al-KAFF
- Biology Department, College of Science, Taibah University, Al-Madinah Al-Munawara,
Saudi Arabia
| | - Musa A. SAID
- Chemistry Department, College of Science, Taibah University, Al-Madinah Al-Munawara,
Saudi Arabia
- Institute of Inorganic Chemistry, University of Stuttgart Pfaffenwaldring, Stuttgart,
Germany
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Madadi Mahani N, Mostaghni F, Shafiekhani H. Cuspareine as alkaloid against COVID-19 designed with ionic liquids: DFT and docking molecular approaches. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 231:112447. [PMID: 35483276 PMCID: PMC9020645 DOI: 10.1016/j.jphotobiol.2022.112447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 04/08/2022] [Accepted: 04/18/2022] [Indexed: 06/14/2023]
Abstract
Cuspareine as an antiviral alkaloid can be used in the treatment of COVID-19. In this study, we introduced the ionic liquids (ILs) concluded cuspareinium as a cation with CH3COO-, CF3COO-, and PF6 as anions. The optimized geometry, thermodynamic parameters, and reactivity descriptors were calculated with density functional theory (DFT) approach and time-dependent density functional theory (TD-DFT) using B3LYP/6-311G. In addition, the UV and IR spectra of the introduced ILs were investigated. Based on DFT calculation, the designed IL CH3COO- can be to the most suitable anions due to most solubility in the water. DFT studies displayed that all the introduced ILs have more polarity than pristine cuspareine and CH3COO--cuspareine is the most polarity due to high dipole moment. Also, the thermo- chemical data of the designed ionic liquids revealed that PF6-cuspareine is distinguished to be stable. A molecular docking study of the designed ILs with 6 LU7 protease was performed to display interactions and binding energy. Results of molecular docking displayed that CH3COO- ion liquid has the highest binding energy (- 7.20 kcal/mol) and Ala7, and Lys 5 residues are involved in an interaction. DFT and molecular docking studies of cuspareine as alkaloid based on ionic liquids can be helpful to for more pharmaceutical and biological researches of cuspareine as an antiviral agent against COVID-19.
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Affiliation(s)
| | - Fatemeh Mostaghni
- Department of Chemistry, Payame Noor University, 19395-4697 Tehran, Iran
| | - Homa Shafiekhani
- Department of Chemistry, Payame Noor University, 19395-4697 Tehran, Iran
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Pratap Singh Raman A, Babu Singh M, Chodhary M, Bahdur I, Jain P, Kaushik N, Ha Choi E, Kumar Kaushik N, Aryan Lal A, Singh P. DFT Calculations, Molecular Docking and QSAR investigation for the formation of Eutectic Mixture based on Thiourea and Salicylic acid. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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50
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Radder SB, Melavanki R, Radder U, Hiremath SM, Kusanur R, Khemalapure SS. Synthesis, spectroscopic (FT-IR, FT-Raman, NMR), reactivity (ELF, LOL and Fukui) and docking studies on 3-(2‑hydroxy-3‑methoxy-phenyl)-1-(3-nitro-phenyl)-propenone by experimental and DFT methods. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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