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Gopal J, Muthu M, Sivanesan I. A Comprehensive Survey on the Expediated Anti-COVID-19 Options Enabled by Metal Complexes-Tasks and Trials. Molecules 2023; 28:molecules28083354. [PMID: 37110587 PMCID: PMC10143858 DOI: 10.3390/molecules28083354] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/31/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
Contemporary pharmacology dating back to the late 19th/early 20th centuries has benefitted largely from the incorporation of metal complexes. Various biological attributes have been successfully realized using metal/metal complex-based drugs. Among anticancer, antimicrobial, and antiviral applications, anticancer applications have extracted the maximum benefit from the metal complex, Cisplatin. The following review has compiled the various antiviral benefits harnessed through inputs from metal complexes. As a result of exploiting the pharmacological aspects of metal complexes, the anti-COVID-19 deliverables have been summarized. The challenges ahead, the gaps in this research area, the need to improvise incorporating nanoaspects in metal complexes, and the need to test metal complex-based drugs in clinical trials have been discussed and deliberated. The pandemic shook the entire world and claimed quite a percentage of the global population. Metal complex-based drugs are already established for their antiviral property with respect to enveloped viruses and extrapolating them for COVID-19 can be an effective way to manipulate drug resistance and mutant issues that the current anti-COVID-19 drugs are facing.
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Affiliation(s)
- Judy Gopal
- Department of Research and Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 602105, Tamil Nadu, India
| | - Manikandan Muthu
- Department of Research and Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 602105, Tamil Nadu, India
| | - Iyyakkannu Sivanesan
- Department of Bioresources and Food Science, Institute of Natural Science and Agriculture, Konkuk University, Gwangjin-gu, Seoul 05029, Republic of Korea
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Sinicropi MS, Ceramella J, Iacopetta D, Catalano A, Mariconda A, Rosano C, Saturnino C, El-Kashef H, Longo P. Metal Complexes with Schiff Bases: Data Collection and Recent Studies on Biological Activities. Int J Mol Sci 2022; 23:ijms232314840. [PMID: 36499170 PMCID: PMC9739361 DOI: 10.3390/ijms232314840] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 12/02/2022] Open
Abstract
Metal complexes play a crucial role in pharmaceutical sciences owing to their wide and significant activities. Schiff bases (SBs) are multifaceted pharmacophores capable of forming chelating complexes with various metals in different oxidation states. Complexes with SBs are extensively studied for their numerous advantages, including low cost and simple synthetic strategies. They have been reported to possess a variety of biological activities, including antimicrobial, anticancer, antioxidant, antimalarial, analgesic, antiviral, antipyretic, and antidiabetic ones. This review summarizes the most recent studies on the antimicrobial and antiproliferative activities of SBs-metal complexes. Moreover, recent studies regarding mononuclear and binuclear complexes with SBs are described, including antioxidant, antidiabetic, antimalarial, antileishmanial, anti-Alzheimer, and catecholase activities.
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Affiliation(s)
- Maria Stefania Sinicropi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy
| | - Jessica Ceramella
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy
| | - Domenico Iacopetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy
| | - Alessia Catalano
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy
- Correspondence: ; Tel.: +39-0805442746
| | | | - Camillo Rosano
- Proteomics and Mass Spectrometry Unit, IRCCS Policlinico San Martino, Largo Rosanna Benzi, 10, 16132 Genoa, Italy
| | - Carmela Saturnino
- Department of Science, University of Basilicata, 85100 Potenza, Italy
| | - Hussein El-Kashef
- Department of Chemistry, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Pasquale Longo
- Department of Chemistry and Biology, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy
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Noor A, Qayyum S, Ali Z, Muhammad N. Syntheses and Structural Characterization of Divalent Metal Complexes (Co, Ni, Pd and Zn) of Sterically Hindered Thiourea Ligand and A Theoretical Insight of their Interaction with SARS-CoV-2 Enzyme. J Mol Struct 2022; 1274:134442. [PMID: 36337589 PMCID: PMC9621400 DOI: 10.1016/j.molstruc.2022.134442] [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: 08/25/2022] [Revised: 10/14/2022] [Accepted: 10/27/2022] [Indexed: 11/08/2022]
Abstract
Reacting two equivalents of sterically hindered 1,3-bis(2,6-diethylphenyl)thiourea ligand (L) with CoCl2, NiBr2, PdX2 (X = Cl; Br) and ZnI2 in acetonitrile afforded the corresponding bulky thiourea ligand stabilized four coordinated monomeric [L2CoCl2] (1), [L2NiBr2] (2), [L2PdX2] (3a: X = Cl; 3b: X = Br) and [L2ZnI2] (4.2CH3CN) complexes. Compound 1, 2 and 4.2CH3CN are tetrahedral whereas Pd complexes (3a and 3b) are square planar. In solution, palladium complexes are dominated by cis-isomers. Structural characterization shows inter- and intramolecular hydrogen bonding. Hirshfeld surface and fingerprint plots indicated significant intermolecular interactions in the crystal network. Molecular docking analysis revealed relatively higher SARS-CoV-2 enzyme interacting abilities of the synthesized complexes compared to the free ligand. All compounds have been characterized by elemental analyses, NMR spectroscopy and single-crystal X-ray diffraction.
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Affiliation(s)
- Awal Noor
- Department of Basic Sciences, Preparatory Year Deanship, King Faisal University, 31982 Al-Hassa, Saudi Arabia,Corresponding Author:
| | - Sadaf Qayyum
- Department of Basic Sciences, Preparatory Year Deanship, King Faisal University, 31982 Al-Hassa, Saudi Arabia
| | - Zafar Ali
- Department of Chemistry, Abdul Wali Khan University, Mardan, KPK, Pakistan
| | - Niaz Muhammad
- Department of Chemistry, Abdul Wali Khan University, Mardan, KPK, Pakistan
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Development of Metal Complexes for Treatment of Coronaviruses. Int J Mol Sci 2022; 23:ijms23126418. [PMID: 35742870 PMCID: PMC9223400 DOI: 10.3390/ijms23126418] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/29/2022] [Accepted: 06/07/2022] [Indexed: 02/04/2023] Open
Abstract
Coronavirus disease (SARS-CoV-2) is a global epidemic. This pandemic, which has been linked to high rates of death, has forced some countries throughout the world to implement complete lockdowns in order to contain the spread of infection. Because of the advent of new coronavirus variants, it is critical to find effective treatments and vaccines to prevent the virus’s rapid spread over the world. In this regard, metal complexes have attained immense interest as antibody modifiers and antiviral therapies, and they have a lot of promise towards SARS-CoV-2 and their suggested mechanisms of action are discussed, i.e., a new series of metal complexes’ medicinal vital role in treatment of specific proteins or SARS-CoV-2 are described. The structures of the obtained metal complexes were fully elucidated by different analytical and spectroscopic techniques also. Molecular docking and pharmacophore studies presented that most of complexes studied influenced good binding affinity to the main protease SARS-CoV-2, which also was attained as from the RCSB pdb (Protein Data Bank) data PDB ID: 6 W41, to expect the action of metal complexes in contradiction of COVID-19. Experimental research is required to determine the pharmacokinetics of most of the complexes analyzed for the treatment of SARS-CoV-2-related disease. Finally, the toxicity of a metal-containing inorganic complex will thus be discussed by its capability to transfer metals which may bind with targeted site.
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Synthesis and crystal structures of new mixed-ligand Schiff base complexes containing N-donor heterocyclic co-ligands: molecular docking and pharmacophore modeling studies on the main proteases of SARS-CoV-2 virus (COVID-19 disease). Polyhedron 2022; 220:115825. [PMID: 35399322 PMCID: PMC8978451 DOI: 10.1016/j.poly.2022.115825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/01/2022] [Indexed: 12/04/2022]
Abstract
Three new mixed-ligand copper(II) complexes (1–3) with NN'O type unsymmetrical tridentate Schiff base ligands (SB) and N-donor heterocyclic co-ligands, with general formula [Cu(SB)(L)]ClO4, were synthesized and characterized using single crystal x-ray diffraction (SCXRD), FT-IR and UV–Vis spectroscopy and elemental analyses. The SB ligand is the half-unit form of the condensation of 1,3-propanediamine with 5-methoxysalicylaldehyde and the co-ligands (L) are pyridine (py in (1)), 2,2′-bipyridine (bpy in (2)) and 1,10-phenanthroline (phen in (3)). Crystal structures of (2) and (3) were obtained by SCXRD. Molecular docking and pharmacophore studies were performed to study the interactions between the synthesized complexes and SARS-CoV-2 virus main proteases (PDB IDs: 6LU7, 6WQF and 6W9C). Results revealed that complex (3) with phen co-ligand showed better docking scores with the three receptors, i.e. 6LU7 (−8.05 kcal.mol−1), 6W9C (−7.70 kcal.mol−1) and 6WQF (−7.75 kcal.mol−1). The order of the binding best energies for (3) was also as follows: 6LU7 > 6WQF > 6W9C. All of the studied complexes showed considerable performance, comparable to the standard drug, Favipiravir.
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In silico study of potential antiviral activity of copper(II) complexes with non–steroidal anti–inflammatory drugs on various SARS–CoV–2 target proteins. J Inorg Biochem 2022; 231:111805. [PMID: 35334392 PMCID: PMC8930182 DOI: 10.1016/j.jinorgbio.2022.111805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 03/08/2022] [Accepted: 03/14/2022] [Indexed: 11/21/2022]
Abstract
In silico molecular docking studies, in vitro toxicity and in silico predictions on the biological activity profile, pharmacokinetic properties, drug–likeness, ADMET (absorption, distribution, metabolism, excretion, and toxicity) physicochemical pharmacokinetic data, and target proteins and toxicity predictions were performed on six copper(II) complexes with the non–steroidal anti–inflammatory drugs ibuprofen, loxoprofen, fenoprofen and clonixin as ligands, in order to investigate the ability of these complexes to interact with the key therapeutic target proteins of SARS–CoV–2 (Severe Acute Respiratory Syndrome Coronavirus 2) 3C–like cysteine main protease (3CLpro/Mpro), viral papain–like protease (PLpro), RNA–dependent RNA polymerase (RdRp), and non–structural proteins (Nsps) Nsp16–Nsp10 2′–O–methyltransferase complex, and their capacity to act as antiviral agents, contributing thus to understanding the role they can play in the context of coronavirus 2019 (COVID–19) pandemic. Cytotoxic activity against five human cancer and normal cell lines were also evaluated.
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