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Britten NS, Butler JA. Ruthenium metallotherapeutics: novel approaches to combatting parasitic infections. Curr Med Chem 2022; 29:5159-5178. [DOI: 10.2174/0929867329666220401105444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 01/15/2022] [Accepted: 01/24/2022] [Indexed: 11/22/2022]
Abstract
Human parasitic infections cause a combined global mortality rate of over one million people per annum and represent some of the most challenging diseases for medical intervention. Current chemotherapeutic strategies often require prolonged treatment, coupled with subsequent drug-induced cytotoxic morbidity to the host, while resistance generation is also a major concern. Metals have been used extensively throughout the history of medicine, with more recent applications as anticancer and antimicrobial agents. Ruthenium metallotherapeutic antiparasitic agents are highly effective at targeting a range of key parasites, including the causative agents of malaria, trypanosomiasis, leishmaniasis, amoebiasis, toxoplasmosis and other orphan diseases, while demonstrating lower cytotoxicity profiles than current treatment strategies. Generally, such compounds also demonstrate activity against multiple cellular target sites within parasites, including inhibition of enzyme function, cell membrane perturbation, and alterations to metabolic pathways, therefore reducing the opportunity for resistance generation. This review provides a comprehensive and subjective analysis of the rapidly developing area of ruthenium metal-based antiparasitic chemotherapeutics, in the context of rational drug design and potential clinical approaches to combatting human parasitic infections.
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Affiliation(s)
- Nicole S. Britten
- Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom
| | - Jonathan A. Butler
- Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom
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2
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Hernández‐Ayala LF, Novoa‐Ramírez CS, Reina M, Ruiz‐Azuara L. Mixed Ru
II
Complexes Containing Diseleno‐Ligand and α,β‐Diketones Donors with Anticancer Activity. Synthesis, Characterization, Electrochemical and DFT Studies. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100756] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Luis Felipe Hernández‐Ayala
- Laboratorio de Química Inorgánica Medicinal Facultad de Química Universidad Nacional Autónoma de México Av. Universidad 3000, Circuito Exterior s/n, CU, P.O. Box 70–360 04510 México City México
| | - Cynthia Sinaí Novoa‐Ramírez
- Laboratorio de Química Inorgánica Medicinal Facultad de Química Universidad Nacional Autónoma de México Av. Universidad 3000, Circuito Exterior s/n, CU, P.O. Box 70–360 04510 México City México
| | - Miguel Reina
- Laboratorio de Química Inorgánica Medicinal Facultad de Química Universidad Nacional Autónoma de México Av. Universidad 3000, Circuito Exterior s/n, CU, P.O. Box 70–360 04510 México City México
| | - Lena Ruiz‐Azuara
- Laboratorio de Química Inorgánica Medicinal Facultad de Química Universidad Nacional Autónoma de México Av. Universidad 3000, Circuito Exterior s/n, CU, P.O. Box 70–360 04510 México City México
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Antimicrobial effect of Casiopeinas® copper- and ruthenium-based compounds on Aggregatibacter actinomycetemcomitans and in vitro cell viability onto osteoblasts cells. Braz J Microbiol 2021; 53:179-184. [PMID: 34741282 DOI: 10.1007/s42770-021-00648-3] [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: 03/09/2021] [Accepted: 10/26/2021] [Indexed: 10/19/2022] Open
Abstract
OBJECTIVES The present study aims to evaluate the antimicrobial property of Casiopeinas® copper- and ruthenium-based compounds against Aggregatibacter actinomycetemcomitans serotype b (ATCC® 43,718™), as well as the cytotoxicity on an osteoblasts cell line of both compounds. MATERIAL AND METHODS The antibacterial effect of the copper-based compounds (CasII-gly, CasIII-ia) and the ruthenium-based compound (RuN-6) at four different concentrations was evaluated as the inhibition ratio of the bacterial growth after 48 h under anaerobic conditions, and the cell viability was measured through resazurin assay. RESULTS The copper- and ruthenium-based compounds used for this assay were (CasII-gly, CasIII-ia, and RuN-6), showing inhibitory activity between 39 and 62% compared to the antibiotic employed as control 66%. Cell viability was established between 61 and 96%. CONCLUSIONS Casiopeinas® and ruthenium showed dose and time dependent, inhibitory activity on A. actinomycetemcomitans, and low toxicity on cells (osteoblast) underexposure. The compound CasII-gly showed the best antimicrobial effect, and it could be considered a possible antimicrobial agent in periodontal therapy.
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Chen JF, Ding JD, Wei TB. Pillararenes: fascinating planar chiral macrocyclic arenes. Chem Commun (Camb) 2021; 57:9029-9039. [PMID: 34498646 DOI: 10.1039/d1cc03778a] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Chiral macrocycles possess significant value in chiral science and supramolecular chemistry. Pillararenes, as a class of relatively young supramolecular macrocyclic hosts, have been widely used for host-guest recognition and self-assembly. Since the position of substituents on the benzene rings breaks the molecular symmetry (symmetric plane and symmetric center), pillararenes possess planar chirality. However, it is a great challenge to synthesize stable and resolvable enantiomers because of the easy rotation of the phenylene group. In this review, we summarize the construction methods of resolvable chiral pillararenes. We also focus on their applications in enantioselective recognition, chiral switches, chirality sensing, asymmetric catalysis, circularly polarized luminescence, metal-organic frameworks, and highly permeable membranes. Finally, we discuss the future research perspectives in this field of pillararene-based planar chiral materials. We hope that this review will encourage more researchers to work in this exciting field.
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Affiliation(s)
- Jin-Fa Chen
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Jin-Dong Ding
- Shaanxi Key Laboratory of National Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100, P. R. China
| | - Tai-Bao Wei
- Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730070, P. R. China.
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Reina M, Hernández-Ayala LF, Bravo-Gómez ME, Gómez V, Ruiz-Azuara L. Second generation of Casiopeinas®: A joint experimental and theoretical study. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120201] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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6
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New Protein-Coated Silver Nanoparticles: Characterization, Antitumor and Amoebicidal Activity, Antiproliferative Selectivity, Genotoxicity, and Biocompatibility Evaluation. Pharmaceutics 2021; 13:pharmaceutics13010065. [PMID: 33430184 PMCID: PMC7825588 DOI: 10.3390/pharmaceutics13010065] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 12/29/2020] [Accepted: 12/30/2020] [Indexed: 02/06/2023] Open
Abstract
Nanomaterials quickly evolve to produce safe and effective biomedical alternatives, mainly silver nanoparticles (AgNPs). The AgNPs' antibacterial, antiviral, and antitumor properties convert them into a recurrent scaffold to produce new treatment options. This work reported the full characterization of a highly biocompatible protein-coated AgNPs formulation and their selective antitumor and amoebicidal activity. The protein-coated AgNPs formulation exhibits a half-inhibitory concentration (IC50) = 19.7 µM (2.3 µg/mL) that is almost 10 times more potent than carboplatin (first-line chemotherapeutic agent) to inhibit the proliferation of the highly aggressive human adenocarcinoma HCT-15. The main death pathway elicited by AgNPs on HCT-15 is apoptosis, which is probably stimulated by reactive oxygen species (ROS) overproduction on mitochondria. A concentration of 111 µM (600 µg/mL) of metallic silver contained in AgNPs produces neither cytotoxic nor genotoxic damage on human peripheral blood lymphocytes. Thus, the AgNPs formulation evaluated in this work improves both the antiproliferative potency on HCT-15 cultures and cytotoxic selectivity ten times more than carboplatin. A similar mechanism is suggested for the antiproliferative activity observed on HM1-IMSS trophozoites (IC50 = 69.2 µM; 7.4 µg/mL). There is no change in cell viability on mice primary cultures of brain, liver, spleen, and kidney exposed to an AgNPs concentration range from 5.5 µM to 5.5 mM (0.6 to 600 µg/mL). The lethal dose was determined following the OECD guideline 420 for Acute Oral Toxicity Assay, obtaining an LD50 = 2618 mg of Ag/Kg body weight. All mice survived the observational period; the histopathology and biochemical analysis show no differences compared with the negative control group. In summary, all results from toxicological evaluation suggest a Category 5 (practically nontoxic) of the Globally Harmonized System of Classification and Labelling of Chemicals for that protein-coated AgNPs after oral administration for a short period and urge the completion of its preclinical toxicological profile. These findings open new opportunities in the development of selective, safe, and effective AgNPs formulations for the treatment of cancer and parasitic diseases with a significant reduction of side effects.
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Ru(II) Complexes Bearing O, O-Chelated Ligands Induced Apoptosis in A549 Cells through the Mitochondrial Apoptotic Pathway. Bioinorg Chem Appl 2020; 2020:8890950. [PMID: 32879623 PMCID: PMC7448123 DOI: 10.1155/2020/8890950] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 07/23/2020] [Indexed: 12/18/2022] Open
Abstract
Two new Ru(II) complexes containing O, O-chelated ligands, Ru(dip)2(SA) (Ru-1) and Ru(dmp)2(SA) (Ru-2) (dip = 4,7-diphenyl-1,10-phenanthroline; dmp = 2,9-dimethyl-1,10-phenanthroline; SA = salicylate) were synthesized to evaluate their cytotoxicity in vitro. These complexes were found to exhibit moderate antitumor activity to different types of human cancers, including A549 (human lung carcinoma), MCF-7 (breast cancer), HeLa (human cervical cancer), and HepG2 (human hepatocellular carcinoma) cell lines, but displayed low toxicity to human normal cell lines BEAS-2B (immortalized human bronchial epithelial cells) when compared with that of cisplatin. Further studies revealed that these complexes could induce apoptosis in A549 cells, including activating caspase family proteins and poly (ADP-ribose) polymerase (PARP), reducing Bcl-2/Bax and Bcl-xl/Bad ratio, enhancing cellular reactive oxygen species (ROS) accumulation, triggering DNA damage, decreasing mitochondrial membrane potential (MMP), and leading cytochrome c release from mitochondria. Notably, complex Ru-1 showed low toxicity to developing zebrafish embryos. The obtained results suggest that these new synthetic complexes have the potential to be developed as low-toxicity agents for lung cancer treatment.
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Hernández-Ayala LF, Reina M, Flores-Alamo M, Ruiz-Azuara L. Pyridyl based mono and di-selenoethers: Synthesis, characterization and DFT study. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Cedillo-Gutiérrez EL, Hernández-Ayala LF, Torres-Gutiérrez C, Reina M, Flores-Alamo M, Carrero JC, Ugalde-Saldívar VM, Ruiz-Azuara L. Identification of descriptors for structure-activity relationship in ruthenium (II) mixed compounds with antiparasitic activity. Eur J Med Chem 2020; 189:112084. [DOI: 10.1016/j.ejmech.2020.112084] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 01/19/2020] [Accepted: 01/19/2020] [Indexed: 10/25/2022]
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Hernández-Ayala LF, Toledano-Magaña Y, Ortiz-Frade L, Flores-Alamo M, Galindo-Murillo R, Reina M, García-Ramos JC, Ruiz-Azuara L. Heteroleptic Ni II complexes: Synthesis, structural characterization, computational studies and amoebicidal activity evaluation. J Inorg Biochem 2020; 206:111043. [PMID: 32109662 DOI: 10.1016/j.jinorgbio.2020.111043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 02/14/2020] [Accepted: 02/16/2020] [Indexed: 11/19/2022]
Abstract
In this work, we present the synthesis, characterization, electrochemical studies, DFT calculations, and in vitro amoebicidal effect of seven new heteroleptic NiII coordination compounds. The crystal structures of [H2(pdto)](NO3)2 and [Ni(pdto)(NO3)]PF6 are presented, pdto = 2,2'-[1,2-ethanediylbis-(sulfanediyl-2,1-ethanediyl)]dipyridine. The rest of the compounds have general formulae: [Ni(pdto)(NN)](PF6) where N-N = 2,2'-bipyridine (bpy), 4,4'-dimethyl-2,2'-bipyridine (44dmbpy), 5,5'-dimethyl-2,2'-bipyridine (55dmbpy), 1,10-phenanthroline (phen), 4,7-dimethyl-1,10-phenanthroline (47dmphen) and 5,6-dimethyl-1,10-phenanthroline (56dmphen). The size of NN ligand and its substituents modulate the compound electronic features and influence their antiproliferative efficiency against Entamoeba histolytica. 56dmphen derivative, shows the biggest molar volume and presents a powerful amoebicidal activity (IC50 = 1.2 μM), being seven times more effective than the first-line drug for human amoebiasis metronidazole. Also, increases the reactive oxygen species concentration within the trophozoites. This could be the trigger of the E. histolytica growth inhibition. The antiparasitic effect is described using NiII electron density, molar volume, estimated by DFT, as well as the experimental redox potential and diffusion coefficients. In general, amoebicidal efficiency is directly proportional to the increment of the molar volume and decreases when the redox potential becomes more positive.
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Affiliation(s)
- Luis Felipe Hernández-Ayala
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, UNAM, Ciudad Universitaria, Ciudad de México, Mexico
| | - Yanis Toledano-Magaña
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, UNAM, Ciudad Universitaria, Ciudad de México, Mexico
| | - Luis Ortiz-Frade
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica, Sanfandila, Querétaro, Mexico
| | - Marcos Flores-Alamo
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, UNAM, Ciudad Universitaria, Ciudad de México, Mexico
| | - Rodrigo Galindo-Murillo
- College of Pharmacy, L.S. Skaggs Pharmacy Institute, University of Utah, Salt Lake City, UT 84112, United States of America
| | - Miguel Reina
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, UNAM, Ciudad Universitaria, Ciudad de México, Mexico
| | - Juan Carlos García-Ramos
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, UNAM, Ciudad Universitaria, Ciudad de México, Mexico
| | - Lena Ruiz-Azuara
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, UNAM, Ciudad Universitaria, Ciudad de México, Mexico.
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Rufino-González Y, Ponce-Macotela M, García-Ramos JC, Martínez-Gordillo MN, Galindo-Murillo R, González-Maciel A, Reynoso-Robles R, Tovar-Tovar A, Flores-Alamo M, Toledano-Magaña Y, Ruiz-Azuara L. Antigiardiasic activity of Cu(II) coordination compounds: Redox imbalance and membrane damage after a short exposure time. J Inorg Biochem 2019; 195:83-90. [DOI: 10.1016/j.jinorgbio.2019.03.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 03/14/2019] [Accepted: 03/15/2019] [Indexed: 02/09/2023]
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12
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Honorato J, Colina-Vegas L, Correa RS, Guedes APM, Miyata M, Pavan FR, Ellena J, Batista AA. Esterification of the free carboxylic group from the lutidinic acid ligand as a tool to improve the cytotoxicity of Ru(ii) complexes. Inorg Chem Front 2019. [DOI: 10.1039/c8qi00941d] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The esterification of the free carboxyl group in ruthenium complexes improves the complex interactions with biomolecules, lipophilicity, and cellular uptake, making them more selective against tumor cells than cisplatin.
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Affiliation(s)
- João Honorato
- Departamento de Química
- Universidade Federal de São Carlos – UFSCar
- São Carlos
- Brazil
| | - Legna Colina-Vegas
- Departamento de Química
- Universidade Federal de São Carlos – UFSCar
- São Carlos
- Brazil
| | - Rodrigo S. Correa
- Departamento de Química
- ICEB
- Universidade Federal de Ouro Preto – UFOP
- Ouro Preto MG
- Brazil
| | - Adriana P. M. Guedes
- Departamento de Química
- Universidade Federal de São Carlos – UFSCar
- São Carlos
- Brazil
| | - Marcelo Miyata
- Faculdade de Ciências Farmacêuticas
- Universidade Estadual Paulista – UNESP
- Araraquara
- Brazil
| | - Fernando R. Pavan
- Faculdade de Ciências Farmacêuticas
- Universidade Estadual Paulista – UNESP
- Araraquara
- Brazil
| | - Javier Ellena
- Instituto de Física de São Carlos
- Universidade de São Paulo – USP
- São Carlos
- Brazil
| | - Alzir A. Batista
- Departamento de Química
- Universidade Federal de São Carlos – UFSCar
- São Carlos
- Brazil
- Instituto de Química
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Synthesis, characterization, theoretical studies and biological activity of coordination compounds with essential metals containing N4-donor ligand 2,9-di(ethylaminomethyl)-1,10-phenanthroline. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.06.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Galindo-Murillo R, Cheatham TE. Computational DNA binding studies of (–)-epigallocatechin-3-gallate. J Biomol Struct Dyn 2017; 36:3311-3323. [DOI: 10.1080/07391102.2017.1389306] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Rodrigo Galindo-Murillo
- Department of Medicinal Chemistry, L. S. Skaggs Pharmacy Institute, University of Utah, Salt Lake City, UT 84112, USA
| | - Thomas E. Cheatham
- Department of Medicinal Chemistry, L. S. Skaggs Pharmacy Institute, University of Utah, Salt Lake City, UT 84112, USA
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Barbosa MIF, Correa RS, Bastos TM, Pozzi LV, Moreira DRM, Ellena J, Doriguetto AC, Silveira RG, Oliveira CR, Kuznetsov AE, Malta VS, Soares MBP, Batista AA. Structural isomerism of Ru(ii)-carbonyl complexes: synthesis, characterization and their antitrypanosomal activities. NEW J CHEM 2017. [DOI: 10.1039/c7nj00125h] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
New complexes with the formula [RuCl(CO)(dppb)(N–N)]PF6 were prepared by varying the CO position as well as the diimine ligand.
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