1
|
Sharfalddin AA, Al-Younis IM, Emwas AH, Jaremko M. Investigating the Biological Potency of Nitazoxanide-Based Cu(II), Ni(II) and Zn(II) Complexes Synthesis, Characterization and Anti-COVID-19, Antioxidant, Antibacterial and Anticancer Activities. Molecules 2023; 28:6126. [PMID: 37630378 PMCID: PMC10458470 DOI: 10.3390/molecules28166126] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/17/2023] [Accepted: 07/17/2023] [Indexed: 08/27/2023] Open
Abstract
In this work, the biological potency of nitazoxanide (NTZ) was enhanced through coordination with transition metal ions Cu(II), Ni(II), and Zn(II). Initially, complexes with a ligand-metal stoichiometry of 2:1 were successfully synthesized and characterized by spectroscopic techniques and thermogravimetric methods. Measurement of the infrared spectrum revealed the bidentate nature of the ligand and excluded the possibility of the metal ion-amide group interaction. Nuclear magnetic resonance spectra showed a reduction in the NH- intensity signal and integration, indicating the possibility of enolization and the formation of keto-enol tautomers. To interpret these results, density functional theory was utilized under B3LYP/6-311G** for the free ligand and B3LYP/LANL2DZ for the metal complexes. We used UV-Vis and fluorescence spectroscopy to understand the biological properties of the complexes. This showed stronger interactions of NTZ-Cu(II) and NTZ-Ni(II) with DNA molecules than the NTZ-Zn(II) compound, with a binding constant (Kb) for the copper complex of 7.00 × 105 M-1. Both Cu(II)- and Ni(II)-NTZ had functional binding to the SARS-CoV-2 (6LU7) protease. Moreover, all metal complexes showed better antioxidation properties than the free ligand, with NTZ-Ni(II) having the best IC50 value of 53.45 μg/mL. NTZ-Ni(II) was an effective antibacterial, with a mean inhibitory concentration of 6 μM, which is close to that of ampicillin (a reference drug). The metal complexes had moderated anticancer potencies, with NTZ-Cu(II) having IC50 values of 24.5 and 21.5 against human breast cancer cells (MCF-7) and cancerous cervical tumor cells (HeLa), respectively. All obtained complexes exhibited high selectivity. Finally, the metal ions showed a practical role in improving the biological effectiveness of NTZ molecules.
Collapse
Affiliation(s)
- Abeer A. Sharfalddin
- Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Inas M. Al-Younis
- Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia;
| | - Abdul-Hamid Emwas
- Core Labs, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia;
| | - Mariusz Jaremko
- Smart-Health Initiative (SHI) and Red Sea Research Center (RSRC), Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| |
Collapse
|
2
|
Sharfalddin AA, Inas Muta'eb Alyounis E, Emwas AH, Jaremko M. Biological efficacy of novel metal complexes of Nitazoxanide: Synthesis, characterization, anti-COVID-19, antioxidant, antibacterial and anticancer activity studies. J Mol Liq 2022; 368:120808. [PMID: 36411838 PMCID: PMC9670593 DOI: 10.1016/j.molliq.2022.120808] [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: 06/07/2022] [Revised: 09/24/2022] [Accepted: 11/12/2022] [Indexed: 11/18/2022]
Abstract
It has been repeatedly reported that nitazoxanide (NTZ) exhibits a wide range of antiviral activities against various viral infections and has shown antimicrobial properties against anaerobic bacteria, helminths and protozoa. To improve these properties, three novel metal complexes were synthesized. The bidentate characteristic of the NTZ ligand was characterized by different spectroscopic techniques, including Fourier transform infrared (FT-IR), thermogravimetric, nuclear magnetic resonance (NMR) and UV - visible spectroscopy. The geometries of the formed compounds were evaluated by density functional theory, and the results revealed that NTZ-Ru(III) has an octahedral geometry, while NTZ-Au(III) and NTZ-Ag(I) complexes have distorted square planar structures. Binding between the metal complexes and calf thymus DNA (Ct-DNA) has been studied via absorption spectra. Moreover, human albumen serum (HAS) titration has been carried out to test their susceptibility to interact with a major target molecule via absorption and fluorescence spectroscopic techniques. Several in vitro bioassays were performed to evaluate the biological activity, antibacterial potency against E. coli, antioxidant activity and cytotoxicity of the ligand and the obtained complexes. The results showed that complexes Ru(III) and Au(III) have the highest radical scavenging percentage while the Ag(I) demonstrated the greatest antibacterial activity. Moreover, the metal complexes presented potentially effective against E. coli. Furthermore, compared with NTZ-Ag and the free ligand, the in vitro cytotoxicity assay showed that both NTZ-Ru(III) and NTZ-Au(III) exhibited significant anticancer activity against HeLa cells. The efficiency of the novel compounds as antivirals was tested by molecular docking with two COVID-19 receptors to obtain all interaction details.
Collapse
Affiliation(s)
- Abeer A Sharfalddin
- Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | | | - Abdul-Hamid Emwas
- King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Mariusz Jaremko
- Smart-Health Initiative (SHI) and Red Sea Research Center (RSRC), Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Jeddah, Saudi Arabia
| |
Collapse
|
3
|
Hayes S, Taki AC, Lum KY, Byrne JJ, Ekins MG, Gasser RB, Davis RA. Using UHPLC-MS profiling for the discovery of new sponge-derived metabolites and anthelmintic screening of the NatureBank bromotyrosine library. Beilstein J Org Chem 2022; 18:1544-1552. [PMID: 36474969 PMCID: PMC9679598 DOI: 10.3762/bjoc.18.164] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 11/03/2022] [Indexed: 09/22/2023] Open
Abstract
In order to further expand the NatureBank open access compound library, chemical investigations of the Australian marine sponge, Ianthella basta, were undertaken since UHPLC-MS analysis of the extract from this sponge indicated the presence of a new alkaloid. Large-scale extraction and mass-directed isolation studies on the CH2Cl2/MeOH I. basta extract resulted in the purification of a new bromotyrosine-derived alkaloid, 5-debromopurealidin H (1), along with the known marine natural product, ianthesine E (2). The chemical structure of the new compound was determined following detailed spectroscopic and spectrometric data analysis. These two compounds (1 and 2) along with seven previously reported marine bromotyrosine alkaloids from the NatureBank open access library, which included psammaplysins F (3) and H (4), bastadins 4 (5), 8 (6) and 13 (7), aerothionin (8) and hexadellin A (9), were evaluated for their nematocidal activity against exsheathed third-stage larvae of Haemonchus contortus, a highly pathogenic parasite of ruminants. Of the nine compounds, bastadin 8 (6), hexadellin A (9) and bastadin 4 (5) showed inhibition towards larval motility after 72 h of exposure with IC50 values of 1.6 µM, 10.0 µM and 33.3 µM, respectively.
Collapse
Affiliation(s)
- Sasha Hayes
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Brisbane, 4111, Australia
| | - Aya C Taki
- Department of Veterinary Biosciences, The University of Melbourne, Flemington Road, Parkville, 3010, Australia
| | - Kah Yean Lum
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Brisbane, 4111, Australia
| | - Joseph J Byrne
- Department of Veterinary Biosciences, The University of Melbourne, Flemington Road, Parkville, 3010, Australia
| | - Merrick G Ekins
- Biodiversity and Geosciences, Queensland Museum, Grey Street, Brisbane, 4101, Australia
| | - Robin B Gasser
- Department of Veterinary Biosciences, The University of Melbourne, Flemington Road, Parkville, 3010, Australia
| | - Rohan A Davis
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Brisbane, 4111, Australia
| |
Collapse
|
4
|
Kumar R, Bidgood CL, Levrier C, Gunter JH, Nelson CC, Sadowski MC, Davis RA. Synthesis of a Unique Psammaplysin F Library and Functional Evaluation in Prostate Cancer Cells by Multiparametric Quantitative Single Cell Imaging. JOURNAL OF NATURAL PRODUCTS 2020; 83:2357-2366. [PMID: 32691595 DOI: 10.1021/acs.jnatprod.0c00121] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The spirooxepinisoxazoline alkaloid psammaplysin F (1) was selected as a scaffold for the generation of a unique screening library for both drug discovery and chemical biology research. Large-scale extraction and isolation chemistry was performed on a marine sponge (Hyattella sp.) collected from the Great Barrier Reef in order to acquire >200 mg of the desired bromotyrosine-derived alkaloidal scaffold. Parallel solution-phase semisynthesis was employed to generate a series of psammaplysin-based urea (2-9) and amide analogues (10-11) in low to moderate yields. The chemical structures of all analogues were characterized using NMR and MS data. The absolute configuration of psammaplysin F and all semisynthetic analogues was determined as 6R, 7R by comparison of ECD data with literature values. All compounds (1-11) were evaluated for their effect on cell cycle distribution and changes to cancer metabolism in LNCaP prostate cancer cells using a multiparametric quantitative single-cell imaging approach. These investigations identified that in LNCaP cells psammaplysin F and some urea analogues caused loss of mitochondrial membrane potential, fragmentation of the mitochondrial tubular network, chromosome misalignment, and cell cycle arrest in mitosis.
Collapse
Affiliation(s)
- Rohitesh Kumar
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia
| | - Charles L Bidgood
- Queensland University of Technology, Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Faculty of Health, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Claire Levrier
- Queensland University of Technology, Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Faculty of Health, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Jennifer H Gunter
- Queensland University of Technology, Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Faculty of Health, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Colleen C Nelson
- Queensland University of Technology, Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Faculty of Health, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Martin C Sadowski
- Queensland University of Technology, Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Faculty of Health, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Rohan A Davis
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia
| |
Collapse
|
5
|
Rono CK, Darkwa J, Meyer D, Makhubela BCE. A Novel Series of N-aryltriazole and N-acridinyltriazole Hybrids as Potential Anticancer Agents. Curr Org Synth 2020; 16:900-912. [PMID: 31984911 DOI: 10.2174/1570179416666190704112904] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/14/2019] [Accepted: 03/29/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Triazoles are a class of aza-heterocycles with broad spectrum of biological importance. The synthetic tunability of the triazole moiety allows for the development of new pharmacophores with applications as drugs to contend with the burden of cancer. OBJECTIVE In this study, we aimed to develop a series of N-aryltriazole and N-acridinyltriazole molecular hybrids and evaluate their potential as anticancer agents. METHODS The triazole derivatives (1-10) were synthesized via a tandem nucleophilic substitution of aryl chlorides with sodium azide followed by 1,3-dipolar cycloaddition of the resulting organic azides with terminal/internal alkynes. From terminal alkynes, the well established copper(I) catalyzed azide-alkynes 1,3- dipolar cycloaddition, a premier example of click chemistry, was employed to access the 1,4-regioisomers of N-benzyl-1H-1,2,3-triazoles and N-acridynyl-1H-1,2,3-triazoles. All the compounds thus synthesized were characterized by 1D and 2D NMR spectroscopy and high resolution mass spectrometry. RESULTS Thermally controlled 1,3-dipolar cycloaddition was used to deliver N-aryl-1H-1,2,3-triazoles with 1,4,5-substitution on the triazole framework. The unprecedented high regioselectivity promoted by the sterically-strained silylated 1,4,5-trisubstituted moiety 4a offers a useful synthetic precursor with the silyl group being a synthetic handle for further structural elaboration to the desired 1,(4),5-di(tri)substituted 1,2,3- triazoles. Notably, anticancer evaluation revealed good cytotoxic activities of the novel acridinyltriazole hybrids (6-10) at micromolar concentrations in the range of 12.5 µM-100 µM against cervical cancer HeLa, kidney cancer HEK293, lung cancer A549 and leukemic MT4 cancer cell lines (p < 0.05). CONCLUSION A series of novel triazole-based acridine hybrids have been developed as potential leads for the development of multifaceted anticancer agents.
Collapse
Affiliation(s)
- Charles K Rono
- Department of Chemistry, University of Johannesburg, Kingsway Campus, 2006, Auckland Park, South Africa
| | - James Darkwa
- Department of Chemistry, University of Johannesburg, Kingsway Campus, 2006, Auckland Park, South Africa
| | - Debra Meyer
- Department of Biochemistry, University of Johannesburg, Kingsway Campus, 2006, Auckland Park, South Africa
| | - Banothile C E Makhubela
- Department of Chemistry, University of Johannesburg, Kingsway Campus, 2006, Auckland Park, South Africa
| |
Collapse
|
6
|
Galiana-Roselló C, Aceves-Luquero C, González J, Martínez-Camarena Á, Villalonga R, Fernández de Mattos S, Soriano C, Llinares J, García-España E, Villalonga P, González-Rosende ME. Toward a Rational Design of Polyamine-Based Zinc-Chelating Agents for Cancer Therapies. J Med Chem 2020; 63:1199-1215. [PMID: 31935092 DOI: 10.1021/acs.jmedchem.9b01554] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
In vitro viability assays against a representative panel of human cancer cell lines revealed that polyamines L1a and L5a displayed remarkable activity with IC50 values in the micromolar range. Preliminary research indicated that both compounds promoted G1 cell cycle arrest followed by cellular senescence and apoptosis. The induction of apoptotic cell death involved loss of mitochondrial outer membrane permeability and activation of caspases 3/7. Interestingly, L1a and L5a failed to activate cellular DNA damage response. The high intracellular zinc-chelating capacity of both compounds, deduced from the metal-specific Zinquin assay and ZnL2+ stability constant values in solution, strongly supports their cytotoxicity. These data along with quantum mechanical studies have enabled to establish a precise structure-activity relationship. Moreover, L1a and L5a showed appropriate drug-likeness by in silico methods. Based on these promising results, L1a and L5a should be considered a new class of zinc-chelating anticancer agents that deserves further development.
Collapse
Affiliation(s)
- Cristina Galiana-Roselló
- Instituto de Ciencia Molecular (ICMol), Departamento de Química Inorgánica , Universidad de Valencia , Paterna, 46980 Valencia , Spain.,Departamento de Farmacia, Facultad de Ciencias de la Salud , Universidad CEU Cardenal Herrera, C/ Ramón y Cajal, s/n , Alfara del Patriarca, 46115 Valencia , Spain
| | - Clara Aceves-Luquero
- Cancer Cell Biology Laboratory, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS) , Universitat de les Illes Balears, and Institut d'Investigació Sanitària Illes Balears (IdISBa) , Palma, 07122 Illes Balears , Spain
| | - Jorge González
- Instituto de Ciencia Molecular (ICMol), Departamento de Química Inorgánica , Universidad de Valencia , Paterna, 46980 Valencia , Spain
| | - Álvaro Martínez-Camarena
- Instituto de Ciencia Molecular (ICMol), Departamento de Química Inorgánica , Universidad de Valencia , Paterna, 46980 Valencia , Spain
| | - Ruth Villalonga
- Departament de Química , Universitat de les llles Balears , Palma, 07122 Illes Balears , Spain
| | - Silvia Fernández de Mattos
- Cancer Cell Biology Laboratory, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS) , Universitat de les Illes Balears, and Institut d'Investigació Sanitària Illes Balears (IdISBa) , Palma, 07122 Illes Balears , Spain.,Departament de Biologia Fonamental , Universitat de les Illes Balears , Palma, 07122 Illes Balears , Spain
| | - Concepción Soriano
- Departamento de Química Orgánica , Universidad de Valencia , C/Dr. Moliner s/n , Burjassot, 46100 Valencia , Spain
| | - José Llinares
- Departamento de Química Orgánica , Universidad de Valencia , C/Dr. Moliner s/n , Burjassot, 46100 Valencia , Spain
| | - Enrique García-España
- Instituto de Ciencia Molecular (ICMol), Departamento de Química Inorgánica , Universidad de Valencia , Paterna, 46980 Valencia , Spain
| | - Priam Villalonga
- Cancer Cell Biology Laboratory, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS) , Universitat de les Illes Balears, and Institut d'Investigació Sanitària Illes Balears (IdISBa) , Palma, 07122 Illes Balears , Spain
| | - María Eugenia González-Rosende
- Departamento de Farmacia, Facultad de Ciencias de la Salud , Universidad CEU Cardenal Herrera, C/ Ramón y Cajal, s/n , Alfara del Patriarca, 46115 Valencia , Spain
| |
Collapse
|