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Matiuzzi BR, de Oliveira DF, de Queiroz Garcia R, Chaves OA, Pizzi GF, Costa LAS, de Boni L, Iglesias BA. The photophysical, photobiological, and DNA/HSA-binding properties of corroles containing carbazole and phenothiazine moieties. Int J Biol Macromol 2024; 268:131861. [PMID: 38670207 DOI: 10.1016/j.ijbiomac.2024.131861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 04/21/2024] [Accepted: 04/23/2024] [Indexed: 04/28/2024]
Abstract
This study characterized four corrole derivatives, namely Cbz-Cor, MetCbz-Cor, PTz-Cor, and PTzEt-Cor, examining their photophysical, electrochemical, photobiological, and biomolecule-binding properties. Experimental photophysical data of absorption and emission elements correlated with a theoretical analysis obtained through time-dependent density functional theory (TD-DFT). As for the photophysical properties, we observed lower fluorescence quantum yields and discernible differences between the excited and ground states, as indicated by Stokes shift values. Natural Transition Orbit (NTO) plots presented high occupied molecular orbital - low unoccupied molecular orbital (HOMO-LUMO) densities around the tetrapyrrolic macrocycle in all examples. Our findings demonstrate that corroles maintain stability in solution and offer photostability (<20 %), predominantly in DMSO(5 %)/Tris-HCl (pH 7.4) buffer solution. Furthermore, the singlet oxygen (1O2) quantum yield and log POW values underscore their potential application in photoinactivation approaches, as these corroles serve as effective ROS generators with more lipophilic features. We also evaluated their biomolecular binding capacity towards salmon sperm DNA and human serum albumin using spectroscopic techniques and molecular docking analysis for sustenance. Concerning biomolecule interaction profiles, the corrole derivatives showed a propensity for interacting in the minor grooves of the double helix DNA due to secondary forces, which were more pronounced in site III of the human serum protein.
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Affiliation(s)
- Bruna Rodrigues Matiuzzi
- Laboratório de Bioinorgânica e Materiais Porfirínicos, Departamento de Química, Universidade Federal de Santa Maria - UFSM, 97105-900 Santa Maria, RS, Brazil
| | - Diego Franca de Oliveira
- Instituto de Física, Universidade de São Paulo, Campus São Carlos, CP 369, São Carlos, SP 13560-970, Brazil
| | - Rafael de Queiroz Garcia
- Instituto de Física, Universidade de São Paulo, Campus São Carlos, CP 369, São Carlos, SP 13560-970, Brazil
| | - Otávio Augusto Chaves
- CQC-IMS, Departamento de Química, Universidade de Coimbra, Rua Larga, 3004-535 Coimbra, Portugal; Laboratório de Imunofarmacologia, Centro de Pesquisa, Inovação e Vigilância em COVID-19 e Emergências Sanitárias (CPIV), Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), Av. Brasil 4036 - Bloco 2, 21040-361 Rio de Janeiro, RJ, Brazil
| | - Gabriela Faria Pizzi
- NEQC - Núcleo de Estudos em Química Computacional, Departamento de Química, ICE, Universidade Federal de Juiz de Fora - UFJF, Campus Universitário s/n, 36036-900 Juiz de Fora, MG, Brazil
| | - Luiz Antônio Sodré Costa
- NEQC - Núcleo de Estudos em Química Computacional, Departamento de Química, ICE, Universidade Federal de Juiz de Fora - UFJF, Campus Universitário s/n, 36036-900 Juiz de Fora, MG, Brazil
| | - Leonardo de Boni
- Instituto de Física, Universidade de São Paulo, Campus São Carlos, CP 369, São Carlos, SP 13560-970, Brazil
| | - Bernardo Almeida Iglesias
- Laboratório de Bioinorgânica e Materiais Porfirínicos, Departamento de Química, Universidade Federal de Santa Maria - UFSM, 97105-900 Santa Maria, RS, Brazil.
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Soares MAG, de Aquino PA, Costa T, Serpa C, Chaves OA. Insights into the effect of glucose on the binding between human serum albumin and the nonsteroidal anti-inflammatory drug nimesulide. Int J Biol Macromol 2024; 265:131148. [PMID: 38547949 DOI: 10.1016/j.ijbiomac.2024.131148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/04/2024] [Accepted: 03/25/2024] [Indexed: 04/01/2024]
Abstract
Glucose interacts with human serum albumin (HSA, the main protein responsible for the biodistribution of drugs in the bloodstream) and consequently affects the binding capacity of exogenous compounds. Thus, in this work, the interactive profile between HSA and the anti-inflammatory drug nimesulide (NMD, used mainly by patients with diabetic neuropathy to relieve acute or chronic pains) was characterized in nonglycemic, normoglycemic (80 mg/dL), and hyperglycemic (320 mg/dL) conditions by biophysics techniques. There is a spontaneous and ground-state association HSA:NMD under physiological conditions. Therefore, the Stern-Volmer constant (Ksv) can also be used to estimate the binding affinity. The Ksv values for nonglycemic, normoglycemic, and hyperglycemic conditions are around 104 M-1, indicating a moderate affinity of NMD to albumin that was slightly improved by glucose levels. Additionally, the binding is enthalpically and entropically driven mainly into subdomains IIA or IIIA. The binding perturbs weakly the α-helix content of albumin, however, glucose potentially stabilizes the tertiary structure, decreasing the structural perturbation upon NMD binding and improves the complex HSA:NMD stability. Overall, the biophysical characterization indicated that glucose levels might slightly positively impact the pharmacokinetic profile of NMD, allowing NMD to achieve its therapeutical potential without affecting drastically its effective dosages.
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Affiliation(s)
- Marilia Amável Gomes Soares
- Comissão Brasileira de Energia Nuclear, Instituto de Engenharia Nuclear, Laboratório de Nanoradiofármacos e Síntese de Novos Radiofármacos, 21941906 Rio de Janeiro, Brazil.
| | - Paloma Anorita de Aquino
- Departamento de Ciências Farmacêuticas, Universidade Federal Rural do Rio de Janeiro, 23890-000 Seropédica, Rio de Janeiro, Brazil
| | - Telma Costa
- CQC-IMS, Departamento de Química, Universidade de Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| | - Carlos Serpa
- CQC-IMS, Departamento de Química, Universidade de Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| | - Otávio Augusto Chaves
- CQC-IMS, Departamento de Química, Universidade de Coimbra, Rua Larga, 3004-535 Coimbra, Portugal; Laboratório de Imunofarmacologia, Centro de Pesquisa, Inovação e Vigilância em COVID-19 e Emergências Sanitárias (CPIV), Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), 21040-361 Rio de Janeiro, RJ, Brazil.
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da Silva CB, Silva L, Debia NP, Chaves OA, Lüdtke DS, Rodembusch FS. Photoactive glycoconjugates with a very large Stokes shift: synthesis, photophysics, and copper(II) and BSA sensing. Org Biomol Chem 2023; 21:9242-9254. [PMID: 37966045 DOI: 10.1039/d3ob01388j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
This study presents the synthesis of novel glycoconjugates by connecting benzazole and carbohydrate units with a 1,2,3-triazole linker. A simple synthetic route employing a copper(I) catalyzed azide-alkyne 1,3-dipolar cycloaddition (CuAAC) was utilized. The synthesized compounds exhibit excited-state intramolecular proton transfer (ESIPT), resulting in longer wavelength emission with a significantly large Stokes shift (∼10 000 cm-1). These compounds show potential as chemical sensors due to their ability to detect Cu2+ ions, causing a decrease in fluorescence emission (turn-off effect). Additionally, they demonstrate strong interaction with proteins, exemplified by their interaction with bovine serum albumin (BSA) as a model protein.
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Affiliation(s)
- Cláudia Brito da Silva
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada. Instituto de Química (UFRGS), Av. Bento Gonçalves, 9500, CEP 91501-970, Porto Alegre, RS, Brazil.
| | - Luana Silva
- Instituto de Química, Universidade Federal do Rio Grande do Sul, UFRGS, Av. Bento Gonçalves 9500, 91501-970 Porto Alegre, RS, Brazil.
| | - Natalí Pires Debia
- Instituto de Química, Universidade Federal do Rio Grande do Sul, UFRGS, Av. Bento Gonçalves 9500, 91501-970 Porto Alegre, RS, Brazil.
| | - Otávio Augusto Chaves
- CQC-IMS, Departamento de Química, Universidade de Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
- Laboratório de Imunofarmacologia, Centro de Pesquisa, Inovação e Vigilância em COVID-19 e Emergências Sanitárias (CPIV), Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), Av. Brasil 4036 - Bloco 2, 21040-361 Rio de Janeiro - RJ, Brazil
| | - Diogo Seibert Lüdtke
- Instituto de Química, Universidade Federal do Rio Grande do Sul, UFRGS, Av. Bento Gonçalves 9500, 91501-970 Porto Alegre, RS, Brazil.
| | - Fabiano Severo Rodembusch
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada. Instituto de Química (UFRGS), Av. Bento Gonçalves, 9500, CEP 91501-970, Porto Alegre, RS, Brazil.
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Santos ATD, Kumar S, Albuquerque JVDS, Arcce IML, Chaves OA, Cruz GS, Carretero VJ, Melo LM, Chaves MS, Guijo JMH, Freitas VJDF, Rádis-Baptista G. The anti-infective crotalicidin peptide analog RhoB-Ctn[1-9] is harmless to bovine oocytes and able to induce parthenogenesis in vitro. Toxicon 2023; 234:107274. [PMID: 37657514 DOI: 10.1016/j.toxicon.2023.107274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 08/04/2023] [Accepted: 08/28/2023] [Indexed: 09/03/2023]
Abstract
Crotalicidin is a cathelicidin-related anti-infective (antimicrobial) peptide expressed in the venom glands of the South American rattlesnake Crotalus durissus terrificus. Congener peptides of crotalicidin, named vipericidins, are found in other pit vipers inhabiting South America. Crotalicidin is active against bacteria and pathogenic yeasts and has anti-proliferative activity for some cancer cells. The structural dissection of crotalicidin produced fragments (e.g., Ctn [15-34]) with multiple biological functionalities that mimic the native peptide. Another structural characteristic of crotalidicin and congeners is a unique repetitive stretch of amino acid sequences in tandem embedded in their primary structures. One of the encrypted vipericidn peptides (Ctn [1-9]) was synthesized, and the analog covalently conjugated with rhodamine B (RhoB-Ctn [1-9]) displayed considerable antimicrobial activity and selective cytotoxicity. Methods to evaluate antimicrobial peptides' toxicity include lysis of red blood cells (hemolysis) in vitro and cytotoxicity of healthy cultured cells (e.g., fibroblasts). Here, as a non-conventional model of toxicity, the bovine oocytes were exposed to two standardized concentrations of RhoB-Ctn [1-9], and embryo viability and development at its first stage of cleavage (division of cells) and blastocyst formation were evaluated. Oocytes treated with peptide at 10 and 40 μM induced cleavage rates of 44.94% and 51.53%, resulting in the formation of blastocysts of 7.07% and 11.73%, respectively. Light sheet microscopy and in silico prediction analysis indicated that RhoB-Ctn [1-9] peptide interacts with zona pellucida and internalizes into bovine oocytes and developing embryos. The ADMET prediction estimated good bioavailability of RhoB-Ctn [1-9]. In conclusion, the peptide appeared harmless to bovine oocytes and, remarkably, activated the parthenogenesis in vitro.
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Affiliation(s)
- Ariane Teixeira Dos Santos
- Graduate Program in Pharmaceutical Sciences, School of Pharmacy, Dentistry, And Nursing, Federal University of Ceará (UFC), Fortaleza, CE, Brazil; Department of Pharmacology and Therapy, Faculty of Medicine, Instituto Teófilo Hernando, Universidad Autónoma de Madrid, Spain
| | - Satish Kumar
- Laboratory of Physiology and Control of Reproduction, Faculty of Veterinary, State University of Ceará (UECE), Fortaleza, CE, Brazil
| | - João Victor da Silva Albuquerque
- Laboratory of Physiology and Control of Reproduction, Faculty of Veterinary, State University of Ceará (UECE), Fortaleza, CE, Brazil
| | - Irving Mitchell Laines Arcce
- Laboratory of Physiology and Control of Reproduction, Faculty of Veterinary, State University of Ceará (UECE), Fortaleza, CE, Brazil
| | - Otávio Augusto Chaves
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, 21040-360, RJ, Brazil; CQC-IMS, Departament of Chemistry, University of Coimbra, Rua Larga S/n, Coimbra, Portugal
| | - Gabriela Silva Cruz
- Graduate Program in Pharmaceutical Sciences, School of Pharmacy, Dentistry, And Nursing, Federal University of Ceará (UFC), Fortaleza, CE, Brazil
| | - Victoria Jimenez Carretero
- Department of Pharmacology and Therapy, Faculty of Medicine, Instituto Teófilo Hernando, Universidad Autónoma de Madrid, Spain
| | - Luciana Magalhães Melo
- Molecular Genetics Research Unit, University Center Fametro (UNIFAMETRO), Fortaleza, CE, Brazil
| | - Maiana Silva Chaves
- Laboratory of Physiology and Control of Reproduction, Faculty of Veterinary, State University of Ceará (UECE), Fortaleza, CE, Brazil
| | - Jesus Miguel Hernandez Guijo
- Department of Pharmacology and Therapy, Faculty of Medicine, Instituto Teófilo Hernando, Universidad Autónoma de Madrid, Spain
| | | | - Gandhi Rádis-Baptista
- Laboratory of Biochemistry and Biotechnology, Institute for Marine Sciences, Federal University of Ceará (UFC), Fortaleza, CE, Brazil.
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Tucci AR, da Rosa RM, Rosa AS, Augusto Chaves O, Ferreira VNS, Oliveira TKF, Coutinho Souza DD, Borba NRR, Dornelles L, Rocha NS, Mayer JCP, da Rocha JBT, Rodrigues OED, Miranda MD. Antiviral Effect of 5'-Arylchalcogeno-3-aminothymidine Derivatives in SARS-CoV-2 Infection. Molecules 2023; 28:6696. [PMID: 37764472 PMCID: PMC10537738 DOI: 10.3390/molecules28186696] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/04/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
The understanding that zidovudine (ZDV or azidothymidine, AZT) inhibits the RNA-dependent RNA polymerase (RdRp) of SARS-CoV-2 and that chalcogen atoms can increase the bioactivity and reduce the toxicity of AZT has directed our search for the discovery of novel potential anti-coronavirus compounds. Here, the antiviral activity of selenium and tellurium containing AZT derivatives in human type II pneumocytes cell model (Calu-3) and monkey kidney cells (Vero E6) infected with SARS-CoV-2, and their toxic effects on these cells, was evaluated. Cell viability analysis revealed that organoselenium (R3a-R3e) showed lower cytotoxicity than organotellurium (R3f, R3n-R3q), with CC50 ≥ 100 µM. The R3b and R3e were particularly noteworthy for inhibiting viral replication in both cell models and showed better selectivity index. In Vero E6, the EC50 values for R3b and R3e were 2.97 ± 0.62 µM and 1.99 ± 0.42 µM, respectively, while in Calu-3, concentrations of 3.82 ± 1.42 µM and 1.92 ± 0.43 µM (24 h treatment) and 1.33 ± 0.35 µM and 2.31 ± 0.54 µM (48 h) were observed, respectively. The molecular docking calculations were carried out to main protease (Mpro), papain-like protease (PLpro), and RdRp following non-competitive, competitive, and allosteric inhibitory approaches. The in silico results suggested that the organoselenium is a potential non-competitive inhibitor of RdRp, interacting in the allosteric cavity located in the palm region. Overall, the cell-based results indicated that the chalcogen-zidovudine derivatives were more potent than AZT in inhibiting SARS-CoV-2 replication and that the compounds R3b and R3e play an important inhibitory role, expanding the knowledge about the promising therapeutic capacity of organoselenium against COVID-19.
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Affiliation(s)
- Amanda Resende Tucci
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
| | - Raquel Mello da Rosa
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - Alice Santos Rosa
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
| | - Otávio Augusto Chaves
- CQC-IMS, Departamento de Química, Universidade de Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
- Laboratório de Imunofarmacologia, Centro de Pesquisa, Inovação e Vigilância em COVID-19 e Emergências Sanitárias (CPIV), Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-900, RJ, Brazil
| | - Vivian Neuza Santos Ferreira
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
| | - Thamara Kelcya Fonseca Oliveira
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
| | - Daniel Dias Coutinho Souza
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
| | - Nathalia Roberto Resende Borba
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
| | - Luciano Dornelles
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - Nayra Salazar Rocha
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - João Candido Pilar Mayer
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - João B. Teixeira da Rocha
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil;
| | - Oscar Endrigo D. Rodrigues
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - Milene Dias Miranda
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
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Campos MC, Barbosa IR, Guedes GP, Echevarria A, Echevarria-Lima J, Chaves OA. Novel Zn(II)-complex with hybrid chalcone-thiosemicarbazone ligand: Synthesis, characterization, and inhibitory effect on HTLV-1-infected MT-2 leukemia cells. J Inorg Biochem 2023; 245:112239. [PMID: 37148641 DOI: 10.1016/j.jinorgbio.2023.112239] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 04/22/2023] [Accepted: 04/27/2023] [Indexed: 05/08/2023]
Abstract
Chalcone and thiosemicarbazone have attracted attention due to their easy synthetic procedure and high success in the development of antiviral and antitumor, however, there are few biological data on the evaluation of chalcone-thiosemicarbazone hybrids and their complexation with metal ions. In this sense, the present work reports the synthesis and characterization of the hybrid (Z)-2-((E)-3-(4-chlorophenyl)-1-phenylallylidene)hydrazine-1-carbothioamide (CTCl) and its Zn(II)-complex (CTCl-Zn). The compounds were cell-based evaluated in terms of cytotoxicity against human T-cell lymphotropic virus type 1 (HTLV-1) infected leukemia cells (MT-2) and the experimental data were correlated with molecular docking calculations. The ligand and Zn(II)-complex were easily synthesized with a good yield - 57% and 79%, respectively. The dynamic of E/Z isomers with respect to the imine bond configuration of CTCl was evidenced by 1H NMR experiments in DMSO‑d6, while the X-ray diffraction of CTCl-Zn showed that Zn(II) ion is tetracoordinated to two ligands in a bidentate mode and the metal ion lies on an intermediate geometry between the see-saw and trigonal pyramid. The ligand and complex exhibited low toxicity and the Zn(II)-complex is more cytotoxic than the ligand, with the corresponding IC50 value of 30.01 and 47.06 μM. Both compounds had a pro-apoptotic effect without the release of reactive oxygen species (ROS) and they can interact with DNA via minor grooves driven by van der Waals forces.
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Affiliation(s)
- Maria Clara Campos
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Igor Resendes Barbosa
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal Rural do Rio de Janeiro, Seropédica, Rio de Janeiro, Brazil
| | | | - Aurea Echevarria
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal Rural do Rio de Janeiro, Seropédica, Rio de Janeiro, Brazil.
| | - Juliana Echevarria-Lima
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | - Otávio Augusto Chaves
- Laboratório de Imunofarmacologia, Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, RJ, Brazil; CQC-IMS, Departamento de Química, Universidade de Coimbra, Rua Larga s/n, Coimbra, Portugal.
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Iglesias BA, Peranzoni NP, Faria SI, Trentin LB, Schuch AP, Chaves OA, Bertoloni RR, Nikolaou S, de Oliveira KT. DNA-Interactive and Damage Study with meso-Tetra(2-thienyl)porphyrins Coordinated with Polypyridyl Pd(II) and Pt(II) Complexes. Molecules 2023; 28:5217. [PMID: 37446879 DOI: 10.3390/molecules28135217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/17/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
We report the DNA-binding properties of three porphyrins with peripheral thienyl substituents (TThPor, PdTThPor and PtTThPor). The binding capacity of each porphyrin with DNA was determined by UV-Vis and steady-state fluorescence emission spectroscopy combined with molecular docking calculations. The results suggest that the interaction of these compounds probably occurs via secondary interactions via external grooves (minor grooves) around the DNA macromolecule. Moreover, porphyrins containing peripheral Pd(II) or Pt(II) complexes (PdTThPor and PtTThPor) were able to promote photo-damage in the DNA.
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Affiliation(s)
- Bernardo Almeida Iglesias
- Bioinorganic and Porphyrinoids Materials Laboratory, Department of Chemistry, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, RS, Brazil
| | - Níckolas Pippi Peranzoni
- Laboratory of Photobiology, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, RS, Brazil
| | - Sophia Iwersen Faria
- Laboratory of Photobiology, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, RS, Brazil
| | - Luana Belo Trentin
- Laboratory of Photobiology, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, RS, Brazil
| | - André Passaglia Schuch
- Laboratory of Photobiology, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, RS, Brazil
| | - Otávio Augusto Chaves
- CQC-IMS, Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| | - Renan Ribeiro Bertoloni
- Laboratory of Biological Activity and Supramolecular Chemical of Coordination Compounds (LABiQSC2), Department of Chemistry, FFCLRP, University of São Paulo, Ribeirão Preto 14040-901, SP, Brazil
| | - Sofia Nikolaou
- Laboratory of Biological Activity and Supramolecular Chemical of Coordination Compounds (LABiQSC2), Department of Chemistry, FFCLRP, University of São Paulo, Ribeirão Preto 14040-901, SP, Brazil
| | - Kleber Thiago de Oliveira
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luiz, km 235, São Carlos 13565-905, SP, Brazil
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8
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Real-Hohn A, Groznica M, Kontaxis G, Zhu R, Chaves OA, Vazquez L, Hinterdorfer P, Kowalski H, Blaas D. Stabilization of the Quadruplex-Forming G-Rich Sequences in the Rhinovirus Genome Inhibits Uncoating-Role of Na + and K . Viruses 2023; 15:1003. [PMID: 37112983 PMCID: PMC10141139 DOI: 10.3390/v15041003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Rhinoviruses (RVs) are the major cause of common cold, a respiratory disease that generally takes a mild course. However, occasionally, RV infection can lead to serious complications in patients debilitated by other ailments, e.g., asthma. Colds are a huge socioeconomic burden as neither vaccines nor other treatments are available. The many existing drug candidates either stabilize the capsid or inhibit the viral RNA polymerase, the viral proteinases, or the functions of other non-structural viral proteins; however, none has been approved by the FDA. Focusing on the genomic RNA as a possible target for antivirals, we asked whether stabilizing RNA secondary structures might inhibit the viral replication cycle. These secondary structures include G-quadruplexes (GQs), which are guanine-rich sequence stretches forming planar guanine tetrads via Hoogsteen base pairing with two or more of them stacking on top of each other; a number of small molecular drug candidates increase the energy required for their unfolding. The propensity of G-quadruplex formation can be predicted with bioinformatics tools and is expressed as a GQ score. Synthetic RNA oligonucleotides derived from the RV-A2 genome with sequences corresponding to the highest and lowest GQ scores indeed exhibited characteristics of GQs. In vivo, the GQ-stabilizing compounds, pyridostatin and PhenDC3, interfered with viral uncoating in Na+ but not in K+-containing phosphate buffers. The thermostability studies and ultrastructural imaging of protein-free viral RNA cores suggest that Na+ keeps the encapsulated genome more open, allowing PDS and PhenDC3 to diffuse into the quasi-crystalline RNA and promote the formation and/or stabilization of GQs; the resulting conformational changes impair RNA unraveling and release from the virion. Preliminary reports have been published.
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Affiliation(s)
- Antonio Real-Hohn
- Center of Medical Biochemistry, Vienna Biocenter, Max Perutz Laboratories, Medical University of Vienna, Dr. Bohr Gasse 9/3, 1030 Vienna, Austria; (M.G.)
| | - Martin Groznica
- Center of Medical Biochemistry, Vienna Biocenter, Max Perutz Laboratories, Medical University of Vienna, Dr. Bohr Gasse 9/3, 1030 Vienna, Austria; (M.G.)
- Institut Pasteur, CEDEX 15, 75724 Paris, France
| | - Georg Kontaxis
- Vienna Biocenter, Max Perutz Laboratories, Department of Structural and Computational Biology, University of Vienna, Campus Vienna BioCenter 5, 1030 Vienna, Austria;
| | - Rong Zhu
- Institute of Biophysics, Johannes Kepler University Linz, Gruberstr. 40, 4020 Linz, Austria; (R.Z.)
| | - Otávio Augusto Chaves
- Immunopharmacology Laboratory, Oswaldo Cruz Institute (IOC/Fiocruz), Av. Brasil, 4365, Rio de Janeiro 21040-360, Brazil
| | - Leonardo Vazquez
- Immunopharmacology Laboratory, Oswaldo Cruz Institute (IOC/Fiocruz), Av. Brasil, 4365, Rio de Janeiro 21040-360, Brazil
| | - Peter Hinterdorfer
- Institute of Biophysics, Johannes Kepler University Linz, Gruberstr. 40, 4020 Linz, Austria; (R.Z.)
| | - Heinrich Kowalski
- Center of Medical Biochemistry, Vienna Biocenter, Max Perutz Laboratories, Medical University of Vienna, Dr. Bohr Gasse 9/3, 1030 Vienna, Austria; (M.G.)
| | - Dieter Blaas
- Center of Medical Biochemistry, Vienna Biocenter, Max Perutz Laboratories, Medical University of Vienna, Dr. Bohr Gasse 9/3, 1030 Vienna, Austria; (M.G.)
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9
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Fioravanço LP, Pôrto JB, Martins FM, Siqueira JD, Iglesias BA, Rodrigues BM, Chaves OA, Back DF. A Vanadium(V) complexes derived from pyridoxal/salicylaldehyde. Interaction with CT-DNA/HSA, and molecular docking assessments. J Inorg Biochem 2023; 239:112070. [PMID: 36450221 DOI: 10.1016/j.jinorgbio.2022.112070] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/11/2022] [Accepted: 11/13/2022] [Indexed: 11/19/2022]
Abstract
With the increasing development of metallopharmaceuticals, coordination compounds become viable alternatives for therapeutic uses. Despite the importance of platinum derivatives in this area, first-row transition metals complexes are welcome due to their characteristics. Vanadium is a promising metal in this context, as it has a range of compounds with different biological applications, including anticancer therapeutic effects. In this effort, the study of interactions between coordination compounds with deoxyribonucleic acid and with human serum albumin is fundamental. In this way, ten iminic ligands were synthesized by condensing p-substituted aromatic benzohydrazides (OH, CH3, H, NO2, and NH2) with salicylaldehyde (L1As-L5As) or pyridoxal hydrochloride (L1P-L5P). These ligands have characteristics that allow the tridentate coordination of vanadium cations, leading to the formation of ten vanadium(V) complexes (C1As-C5As and C1P-C5P) with different structural features, all characterized by single-crystal X-ray diffraction, UV-Vis and infrared spectroscopies, and cyclic voltammetry. In addition, the complexes were tested for their interactions with calf thymus deoxyribonucleic acid and human serum albumin by spectroscopic assays and molecular docking calculations. These new results can contribute to further research and provide different ways to design new vanadium complexes with biological applications.
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Affiliation(s)
- Letícia Paiva Fioravanço
- Laboratory of Inorganic Materials, Department of Chemistry, CCNE, UFSM, Santa Maria, RS 97105-900, Brazil
| | - Juliana Bortoluzzi Pôrto
- Laboratory of Inorganic Materials, Department of Chemistry, CCNE, UFSM, Santa Maria, RS 97105-900, Brazil
| | - Francisco Mainardi Martins
- Laboratory of Inorganic Materials, Department of Chemistry, CCNE, UFSM, Santa Maria, RS 97105-900, Brazil
| | - Josiéli Demetrio Siqueira
- Laboratory of Inorganic Materials, Department of Chemistry, CCNE, UFSM, Santa Maria, RS 97105-900, Brazil
| | - Bernardo Almeida Iglesias
- Laboratory of Bioinorganic and Porphyrin Materials, Department of Chemistry, CCNE, UFSM, Santa Maria, RS 97105-900, Brazil
| | - Bruna Matiuzzi Rodrigues
- Laboratory of Bioinorganic and Porphyrin Materials, Department of Chemistry, CCNE, UFSM, Santa Maria, RS 97105-900, Brazil
| | - Otávio Augusto Chaves
- Coimbra Chemistry Center, Department of Chemistry, University of Coimbra, Rua Larga N°2, 3004-535, Coimbra, Portugal
| | - Davi Fernando Back
- Laboratory of Inorganic Materials, Department of Chemistry, CCNE, UFSM, Santa Maria, RS 97105-900, Brazil.
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10
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Siqueira FDS, Siqueira JD, Denardi LB, Moreira KS, Lima Burgo TA, de Lourenço Marques L, Machado AK, Davidson CB, Chaves OA, Anraku de Campos MM, Back DF. Antibacterial, antifungal, and anti-biofilm effects of sulfamethoxazole-complexes against pulmonary infection agents. Microb Pathog 2023; 175:105960. [PMID: 36587926 DOI: 10.1016/j.micpath.2022.105960] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 12/31/2022]
Abstract
Antibiotic resistance associated with pulmonary infection agents has become a public health problem, being considered one of the main priorities for immediate resolution. Thus, to increase the therapeutic options in the fight against resistant microorganisms, the synthesis of molecules from pre-existing drugs has shown to be a promising alternative. In this sense, the present work reports the synthesis, characterization, and biological evaluation (against fungal and bacterial agents that cause lung infections) of potential metallodrugs based on sulfamethoxazole complexed with AuI, AgI, HgII, CdII, NiII, and CuII. The minimal inhibitory concentration (MIC) value was used to evaluate the antifungal and antibacterial properties of the compounds. In addition, it was also evaluated the antibiofilm capacity in Pseudomonas aeruginosa, through the quantification of its biomass and visualization using atomic force microscopy. For each case, molecular docking calculations were carried out to suggest the possible biological target of the assayed inorganic complexes. Our results indicated that the novel inorganic complexes are better antibacterial and antifungal than the commercial antibiotic sulfamethoxazole, highlighting the AgI-complex, which was able to inhibit the growth of microorganisms that cause lung diseases with concentrations in the 2-8 μg mL-1 range, probably at targeting dihydropteroate synthetase - a key enzyme involved in the folate synthesis. Furthermore, sulfamethoxazole complexes were able to inhibit the formation of bacterial biofilms at significantly lower concentrations than free sulfamethoxazole, probably mainly targeting the active site of LysR-type transcriptional regulator (PqsR). Overall, the present study reports preliminary results that demonstrate the derivatization of sulfamethoxazole with transition metal cations to obtain potential metallodrugs with applications as antimicrobial and antifungal against pulmonary infections, being an alternative for drug-resistant strains.
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Affiliation(s)
- Fallon Dos Santos Siqueira
- Mycobacteriology Laboratory, Graduate Program in Pharmaceutical Sciences, Department of Clinical and Toxicological Analysis, Federal University of Santa Maria, Roraima Avenue 1000, zip code:, 97105-900, Santa Maria, Brazil
| | - Josiéli Demetrio Siqueira
- Inorganic Materials Laboratory, Graduate Program in Chemistry, Department of Chemistry Federal University of Santa Maria, Roraima Avenue 1000, zip code:, 97105-900, Santa Maria, Brazil
| | - Laura Bedin Denardi
- Mycobacteriology Laboratory, Graduate Program in Pharmaceutical Sciences, Department of Clinical and Toxicological Analysis, Federal University of Santa Maria, Roraima Avenue 1000, zip code:, 97105-900, Santa Maria, Brazil
| | - Kelly Schneider Moreira
- Coulomb Electrostatic and Mechanochemical Laboratory, Graduate Program in Chemistry, Department of Chemistry, Federal University of Santa Maria, Roraima Avenue 1000, zip code:, 97105-900, Santa Maria, Brazil
| | - Thiago Augusto Lima Burgo
- Coulomb Electrostatic and Mechanochemical Laboratory, Graduate Program in Chemistry, Department of Chemistry, Federal University of Santa Maria, Roraima Avenue 1000, zip code:, 97105-900, Santa Maria, Brazil
| | - Lenice de Lourenço Marques
- Inorganic Materials Laboratory, Graduate Program in Chemistry, Department of Chemistry Federal University of Santa Maria, Roraima Avenue 1000, zip code:, 97105-900, Santa Maria, Brazil
| | - Alencar Kolinski Machado
- Laboratory of Genetics and Cell Culture, Graduate Program in Nanosciences, Franciscan University, Andradas' Street, 1614, zip code:, 97010-032, Santa Maria, Brazil
| | - Carolina Bordin Davidson
- Laboratory of Genetics and Cell Culture, Graduate Program in Nanosciences, Franciscan University, Andradas' Street, 1614, zip code:, 97010-032, Santa Maria, Brazil
| | - Otávio Augusto Chaves
- Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS), Faculty of Science and Technology, Department of Chemistry, University of Coimbra, Rua Larga, 3004-535, Coimbra, Portugal
| | - Marli Matiko Anraku de Campos
- Mycobacteriology Laboratory, Graduate Program in Pharmaceutical Sciences, Department of Clinical and Toxicological Analysis, Federal University of Santa Maria, Roraima Avenue 1000, zip code:, 97105-900, Santa Maria, Brazil.
| | - Davi Fernando Back
- Inorganic Materials Laboratory, Graduate Program in Chemistry, Department of Chemistry Federal University of Santa Maria, Roraima Avenue 1000, zip code:, 97105-900, Santa Maria, Brazil.
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11
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Chaves OA, Lima CR, Fintelman-Rodrigues N, Sacramento CQ, de Freitas CS, Vazquez L, Temerozo JR, Rocha ME, Dias SS, Carels N, Bozza PT, Castro-Faria-Neto HC, Souza TML. Agathisflavone, a natural biflavonoid that inhibits SARS-CoV-2 replication by targeting its proteases. Int J Biol Macromol 2022; 222:1015-1026. [PMID: 36183752 PMCID: PMC9525951 DOI: 10.1016/j.ijbiomac.2022.09.204] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/20/2022] [Accepted: 09/22/2022] [Indexed: 11/16/2022]
Abstract
Despite the fast development of vaccines, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) still circulates through variants of concern (VoC) and escape the humoral immune response. SARS-CoV-2 has provoked over 200,000 deaths/months since its emergence and only a few antiviral drugs showed clinical benefit up to this moment. Thus, chemical structures endowed with anti-SARS-CoV-2 activity are important for continuous antiviral development and natural products represent a fruitful source of substances with biological activity. In the present study, agathisflavone (AGT), a biflavonoid from Anacardium occidentale was investigated as a candidate anti-SARS-CoV-2 compound. In silico and enzymatic analysis indicated that AGT may target mainly the viral main protease (Mpro) and not the papain-like protease (PLpro) in a non-competitive way. Cell-based assays in type II pneumocytes cell lineage (Calu-3) showed that SARS-CoV-2 is more susceptible to AGT than to apigenin (APG, monomer of AGT), in a dose-dependent manner, with an EC50 of 4.23 ± 0.21 μM and CC50 of 61.3 ± 0.1 μM and with a capacity to inhibit the level of pro-inflammatory mediator tumor necrosis factor-alpha (TNF-α). These results configure AGT as an interesting chemical scaffold for the development of novel semisynthetic antivirals against SARS-CoV-2.
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12
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Pitasse-Santos P, Salustiano E, Pena RB, Chaves OA, da Fonseca LM, da Costa KM, Santos CADN, Reis JSD, da Costa Santos MAR, Previato JO, Previato LM, Freire-de-Lima L, Romeiro NC, Pinto-da-Silva LH, Freire-de-Lima CG, Decotè-Ricardo D, Freire-de-Lima ME. A Novel Protocol for the Synthesis of 1,2,4-Oxadiazoles Active against Trypanosomatids and Drug-Resistant Leukemia Cell Lines. Trop Med Infect Dis 2022; 7:tropicalmed7120403. [PMID: 36548658 PMCID: PMC9787607 DOI: 10.3390/tropicalmed7120403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/16/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Cancer and parasitic diseases, such as leishmaniasis and Chagas disease, share similarities that allow the co-development of new antiproliferative agents as a strategy to quickly track the discovery of new drugs. This strategy is especially interesting regarding tropical neglected diseases, for which chemotherapeutic alternatives are extremely outdated. We designed a series of (E)-3-aryl-5-(2-aryl-vinyl)-1,2,4-oxadiazoles based on the reported antiparasitic and anticancer activities of structurally related compounds. The synthesis of such compounds led to the development of a new, fast, and efficient strategy for the construction of a 1,2,4-oxadiazole ring on a silica-supported system under microwave irradiation. One hit compound (23) was identified during the in vitro evaluation against drug-sensitive and drug-resistant chronic myeloid leukemia cell lines (EC50 values ranging from 5.5 to 13.2 µM), Trypanosoma cruzi amastigotes (EC50 = 2.9 µM) and Leishmania amazonensis promastigotes (EC50 = 12.2 µM) and amastigotes (EC50 = 13.5 µM). In silico studies indicate a correlation between the in vitro activity and the interaction with tubulin at the colchicine binding site. Furthermore, ADMET in silico predictions indicate that the compounds possess a high druggability potential due to their physicochemical, pharmacokinetic, and toxicity profiles, and for hit 23, it was identified by multiple spectroscopic approaches that this compound binds with human serum albumin (HSA) via a spontaneous ground-state association with a moderate affinity driven by entropically and enthalpically energies into subdomain IIA (site I) without significantly perturbing the secondary content of the protein.
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Affiliation(s)
- Paulo Pitasse-Santos
- Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Seropédica 23890-000, Rio de Janeiro, Brazil
| | - Eduardo Salustiano
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21491-170, Rio de Janeiro, Brazil
| | - Raynná Bittencourt Pena
- Laboratório Integrado de Computação Científica (LICC), Universidade Federal do Rio de Janeiro—Centro Multidisciplinar UFRJ Macaé, Macaé 27930-560, Rio de Janeiro, Brazil
| | - Otávio Augusto Chaves
- Laboratório de Imunofarmacologia, Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-900, Rio de Janeiro, Brazil
- Coimbra Chemistry Center, Departamento de Química, Institute of Molecular Sciences, Universidade de Coimbra, Rua Larga s/n, 3000 Coimbra, Portugal
| | - Leonardo Marques da Fonseca
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21491-170, Rio de Janeiro, Brazil
| | - Kelli Monteiro da Costa
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21491-170, Rio de Janeiro, Brazil
| | | | - Jhenifer Santos Dos Reis
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21491-170, Rio de Janeiro, Brazil
| | | | - Jose Osvaldo Previato
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21491-170, Rio de Janeiro, Brazil
| | - Lucia Mendonça Previato
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21491-170, Rio de Janeiro, Brazil
| | - Leonardo Freire-de-Lima
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21491-170, Rio de Janeiro, Brazil
| | - Nelilma Correia Romeiro
- Laboratório Integrado de Computação Científica (LICC), Universidade Federal do Rio de Janeiro—Centro Multidisciplinar UFRJ Macaé, Macaé 27930-560, Rio de Janeiro, Brazil
| | - Lúcia Helena Pinto-da-Silva
- Instituto de Veterinária, Universidade Federal Rural do Rio de Janeiro, Seropédica 23890-000, Rio de Janeiro, Brazil
| | - Célio G. Freire-de-Lima
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21491-170, Rio de Janeiro, Brazil
| | - Débora Decotè-Ricardo
- Instituto de Veterinária, Universidade Federal Rural do Rio de Janeiro, Seropédica 23890-000, Rio de Janeiro, Brazil
| | - Marco Edilson Freire-de-Lima
- Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Seropédica 23890-000, Rio de Janeiro, Brazil
- Correspondence:
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13
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Chaves OA, Iglesias BA, Serpa C. Biophysical Characterization of the Interaction between a Transport Human Plasma Protein and the 5,10,15,20-Tetra(pyridine-4-yl)porphyrin. Molecules 2022; 27:molecules27165341. [PMID: 36014578 PMCID: PMC9413328 DOI: 10.3390/molecules27165341] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/01/2022] [Accepted: 08/19/2022] [Indexed: 02/05/2023]
Abstract
The interaction between human serum albumin (HSA) and the non-charged synthetic photosensitizer 5,10,15,20-tetra(pyridine-4-yl)porphyrin (4-TPyP) was evaluated by in vitro assays under physiological conditions using spectroscopic techniques (UV-vis, circular dichroism, steady-state, time-resolved, synchronous, and 3D-fluorescence) combined with in silico calculations by molecular docking. The UV-vis and steady-state fluorescence parameters indicated a ground-state association between HSA and 4-TPyP and the absence of any dynamic fluorescence quenching was confirmed by the same average fluorescence lifetime for HSA without (4.76 ± 0.11 ns) and with 4-TPyP (4.79 ± 0.14 ns). Therefore, the Stern-Volmer quenching (KSV) constant reflects the binding affinity, indicating a moderate interaction (104 M-1) being spontaneous (ΔG°= -25.0 kJ/mol at 296 K), enthalpically (ΔH° = -9.31 ± 1.34 kJ/mol), and entropically (ΔS° = 52.9 ± 4.4 J/molK) driven. Binding causes only a very weak perturbation on the secondary structure of albumin. There is just one main binding site in HSA for 4-TPyP (n ≈ 1.0), probably into the subdomain IIA (site I), where the Trp-214 residue can be found. The microenvironment around this fluorophore seems not to be perturbed even with 4-TPyP interacting via hydrogen bonding and van der Waals forces with the amino acid residues in the subdomain IIA.
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Affiliation(s)
- Otávio Augusto Chaves
- CQC-IMS, Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
- Correspondence: (O.A.C.); (C.S.)
| | - Bernardo A. Iglesias
- Bioinorganic and Porpyrinoids Materials Lab, Department of Chemistry, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
| | - Carlos Serpa
- CQC-IMS, Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
- Correspondence: (O.A.C.); (C.S.)
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14
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Chaves OA, Sacramento CQ, Fintelman-Rodrigues N, Temerozo JR, Pereira-Dutra F, Mizurini DM, Monteiro RQ, Vazquez L, Bozza PT, Castro-Faria-Neto HC, Souza TML. Apixaban, an orally available anticoagulant, inhibits SARS-CoV-2 replication and its major protease in a non-competitive way. J Mol Cell Biol 2022; 14:6618655. [PMID: 35759391 PMCID: PMC9492308 DOI: 10.1093/jmcb/mjac039] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 05/08/2022] [Accepted: 06/24/2022] [Indexed: 11/25/2022] Open
Affiliation(s)
- Otávio Augusto Chaves
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation on Neglected Diseases (INCT/IDN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Carolina Q Sacramento
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation on Neglected Diseases (INCT/IDN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Natalia Fintelman-Rodrigues
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation on Neglected Diseases (INCT/IDN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Jairo Ramos Temerozo
- National Institute for Science and Technology on Neuroimmunomodulation (INCT/NIM), Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,Laboratory on Thymus Research, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Filipe Pereira-Dutra
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Daniella M Mizurini
- Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Robson Q Monteiro
- Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Leonardo Vazquez
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation on Neglected Diseases (INCT/IDN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Patricia T Bozza
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Hugo Caire Castro-Faria-Neto
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Thiago Moreno L Souza
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation on Neglected Diseases (INCT/IDN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
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Siqueira JD, de Pellegrin SF, Fioravanço LP, André Fontana L, Iglesias BA, Chaves OA, Back DF. Self-association synthesis with ortho-vanillin to promote mono- and heptanuclear complexes and their evaluation as antioxidant agents. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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16
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Martins FM, Siqueira JD, Iglesias BA, Chaves OA, Back DF. Pyridoxal water-soluble cobalt(II) helicates: Synthesis, structural analysis, and interactions with biomacromolecules. J Inorg Biochem 2022; 233:111854. [DOI: 10.1016/j.jinorgbio.2022.111854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/22/2022] [Accepted: 05/05/2022] [Indexed: 10/18/2022]
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17
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Wang X, Sacramento CQ, Jockusch S, Chaves OA, Tao C, Fintelman-Rodrigues N, Chien M, Temerozo JR, Li X, Kumar S, Xie W, Patel DJ, Meyer C, Garzia A, Tuschl T, Bozza PT, Russo JJ, Souza TML, Ju J. Combination of antiviral drugs inhibits SARS-CoV-2 polymerase and exonuclease and demonstrates COVID-19 therapeutic potential in viral cell culture. Commun Biol 2022; 5:154. [PMID: 35194144 PMCID: PMC8863796 DOI: 10.1038/s42003-022-03101-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 02/02/2022] [Indexed: 02/07/2023] Open
Abstract
SARS-CoV-2 has an exonuclease-based proofreader, which removes nucleotide inhibitors such as Remdesivir that are incorporated into the viral RNA during replication, reducing the efficacy of these drugs for treating COVID-19. Combinations of inhibitors of both the viral RNA-dependent RNA polymerase and the exonuclease could overcome this deficiency. Here we report the identification of hepatitis C virus NS5A inhibitors Pibrentasvir and Ombitasvir as SARS-CoV-2 exonuclease inhibitors. In the presence of Pibrentasvir, RNAs terminated with the active forms of the prodrugs Sofosbuvir, Remdesivir, Favipiravir, Molnupiravir and AT-527 were largely protected from excision by the exonuclease, while in the absence of Pibrentasvir, there was rapid excision. Due to its unique structure, Tenofovir-terminated RNA was highly resistant to exonuclease excision even in the absence of Pibrentasvir. Viral cell culture studies also demonstrate significant synergy using this combination strategy. This study supports the use of combination drugs that inhibit both the SARS-CoV-2 polymerase and exonuclease for effective COVID-19 treatment.
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Affiliation(s)
- Xuanting Wang
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, 10027, USA.,Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
| | - Carolina Q Sacramento
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology for Innovation on Diseases of Neglected Population (INCT/IDPN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Steffen Jockusch
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, 10027, USA.,Department of Chemistry, Columbia University, New York, NY, 10027, USA
| | - Otávio Augusto Chaves
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology for Innovation on Diseases of Neglected Population (INCT/IDPN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Chuanjuan Tao
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, 10027, USA.,Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
| | - Natalia Fintelman-Rodrigues
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology for Innovation on Diseases of Neglected Population (INCT/IDPN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Minchen Chien
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, 10027, USA.,Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
| | - Jairo R Temerozo
- Laboratory on Thymus Research, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Neuroimmunomodulation (INCT/NIM), Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Xiaoxu Li
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, 10027, USA.,Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
| | - Shiv Kumar
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, 10027, USA.,Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
| | - Wei Xie
- Laboratory of Structural Biology, Memorial Sloan-Kettering Cancer Center, New York, NY, 10065, USA
| | - Dinshaw J Patel
- Laboratory of Structural Biology, Memorial Sloan-Kettering Cancer Center, New York, NY, 10065, USA
| | - Cindy Meyer
- Laboratory of RNA Molecular Biology, Rockefeller University, New York, NY, 10065, USA
| | - Aitor Garzia
- Laboratory of RNA Molecular Biology, Rockefeller University, New York, NY, 10065, USA
| | - Thomas Tuschl
- Laboratory of RNA Molecular Biology, Rockefeller University, New York, NY, 10065, USA
| | - Patrícia T Bozza
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - James J Russo
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, 10027, USA.,Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
| | - Thiago Moreno L Souza
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil. .,National Institute for Science and Technology for Innovation on Diseases of Neglected Population (INCT/IDPN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.
| | - Jingyue Ju
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, 10027, USA. .,Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA. .,Department of Molecular Pharmacology and Therapeutics, Columbia University, New York, NY, 10032, USA.
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18
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Sacramento CQ, Fintelman-Rodrigues N, Dias SSG, Temerozo JR, Da Silva ADPD, da Silva CS, Blanco C, Ferreira AC, Mattos M, Soares VC, Pereira-Dutra F, Miranda MD, Barreto-Vieira DF, da Silva MAN, Santos SS, Torres M, Chaves OA, Rajoli RKR, Paccanaro A, Owen A, Bou-Habib DC, Bozza PT, Souza TML. Unlike Chloroquine, Mefloquine Inhibits SARS-CoV-2 Infection in Physiologically Relevant Cells. Viruses 2022; 14:v14020374. [PMID: 35215969 PMCID: PMC8874959 DOI: 10.3390/v14020374] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/25/2022] [Accepted: 02/03/2022] [Indexed: 11/17/2022] Open
Abstract
Despite the development of specific therapies against severe acute respiratory coronavirus 2 (SARS-CoV-2), the continuous investigation of the mechanism of action of clinically approved drugs could provide new information on the druggable steps of virus-host interaction. For example, chloroquine (CQ)/hydroxychloroquine (HCQ) lacks in vitro activity against SARS-CoV-2 in TMPRSS2-expressing cells, such as human pneumocyte cell line Calu-3, and likewise, failed to show clinical benefit in the Solidarity and Recovery clinical trials. Another antimalarial drug, mefloquine, which is not a 4-aminoquinoline like CQ/HCQ, has emerged as a potential anti-SARS-CoV-2 antiviral in vitro and has also been previously repurposed for respiratory diseases. Here, we investigated the anti-SARS-CoV-2 mechanism of action of mefloquine in cells relevant for the physiopathology of COVID-19, such as Calu-3 cells (that recapitulate type II pneumocytes) and monocytes. Molecular pathways modulated by mefloquine were assessed by differential expression analysis, and confirmed by biological assays. A PBPK model was developed to assess mefloquine's optimal doses for achieving therapeutic concentrations. Mefloquine inhibited SARS-CoV-2 replication in Calu-3, with an EC50 of 1.2 µM and EC90 of 5.3 µM. It reduced SARS-CoV-2 RNA levels in monocytes and prevented virus-induced enhancement of IL-6 and TNF-α. Mefloquine reduced SARS-CoV-2 entry and synergized with Remdesivir. Mefloquine's pharmacological parameters are consistent with its plasma exposure in humans and its tissue-to-plasma predicted coefficient points suggesting that mefloquine may accumulate in the lungs. Altogether, our data indicate that mefloquine's chemical structure could represent an orally available host-acting agent to inhibit virus entry.
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Affiliation(s)
- Carolina Q. Sacramento
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
- Correspondence: (C.Q.S.); (T.M.L.S.); Tel.: +55-21-2562-1311 (T.M.L.S.)
| | - Natalia Fintelman-Rodrigues
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Suelen S. G. Dias
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
| | - Jairo R. Temerozo
- National Institute for Science and Technology on Neuroimmunomodulation (INCT/NIM), Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil; (J.R.T.); (D.C.B.-H.)
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Aline de Paula D. Da Silva
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Carine S. da Silva
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Camilla Blanco
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - André C. Ferreira
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
- Laboratório de Pesquisas Pré-Clínicas, Departamento de Ciências Biológicas, Universidade Iguaçu, Nova Iguaçu 26260-045, RJ, Brazil
| | - Mayara Mattos
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Vinicius C. Soares
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- Program of Immunology and Inflammation, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-617, RJ, Brazil
| | - Filipe Pereira-Dutra
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
| | - Milene Dias Miranda
- Laboratório de Vírus Respiratório e do Sarampo, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil;
| | - Debora F. Barreto-Vieira
- Laboratório de Morfologia e Morfogênese Viral, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil; (D.F.B.-V.); (M.A.N.d.S.)
| | - Marcos Alexandre N. da Silva
- Laboratório de Morfologia e Morfogênese Viral, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil; (D.F.B.-V.); (M.A.N.d.S.)
| | - Suzana S. Santos
- School of Applied Mathematics, Fundação Getulio Vargas, Rio de Janeiro 22250-900, RJ, Brazil; (S.S.S.); (M.T.); (A.P.)
| | - Mateo Torres
- School of Applied Mathematics, Fundação Getulio Vargas, Rio de Janeiro 22250-900, RJ, Brazil; (S.S.S.); (M.T.); (A.P.)
| | - Otávio Augusto Chaves
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Rajith K. R. Rajoli
- Centre of Excellence in Long Acting Therapeutics (CELT), Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool L1 8JX, UK; (R.K.R.R.); (A.O.)
| | - Alberto Paccanaro
- School of Applied Mathematics, Fundação Getulio Vargas, Rio de Janeiro 22250-900, RJ, Brazil; (S.S.S.); (M.T.); (A.P.)
- Department of Computer Science, Royal Holloway, University of London, Egham WC1E 7HU, UK
| | - Andrew Owen
- Centre of Excellence in Long Acting Therapeutics (CELT), Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool L1 8JX, UK; (R.K.R.R.); (A.O.)
| | - Dumith Chequer Bou-Habib
- National Institute for Science and Technology on Neuroimmunomodulation (INCT/NIM), Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil; (J.R.T.); (D.C.B.-H.)
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Patrícia T. Bozza
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
| | - Thiago Moreno L. Souza
- Laboratório de Imunofarmacologia, Oswaldo Cruz Institute, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-360, RJ, Brazil; (N.F.-R.); (S.S.G.D.); (A.d.P.D.D.S.); (C.S.d.S.); (C.B.); (A.C.F.); (M.M.); (V.C.S.); (F.P.-D.); (O.A.C.); (P.T.B.)
- National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro 21040-360, RJ, Brazil
- Correspondence: (C.Q.S.); (T.M.L.S.); Tel.: +55-21-2562-1311 (T.M.L.S.)
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19
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Tisoco I, Donatoni MC, Victória HFV, de Toledo JR, Krambrock K, Chaves OA, de Oliveira KT, Iglesias BA. Photophysical, photooxidation, and biomolecule-interaction of meso-tetra(thienyl)porphyrins containing peripheral Pt(II) and Pd(II) complexes. Insights for photodynamic therapy applications. Dalton Trans 2022; 51:1646-1657. [PMID: 35015799 DOI: 10.1039/d1dt03565g] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
We report the synthesis and characterization of two novel tetra-cationic porphyrins, containing Pt(II) or Pd(II) polypyridyl complexes attached at the peripheral position of N4-macrocycle. Compounds were characterized through elemental analysis, molar conductivity, cyclic voltammetry, and spectroscopy analysis. Photophysical and photobiological parameters were also evaluated. Also, the binding capacity of each porphyrin with human serum albumin (HSA) was determined by UV-Vis, steady-state, and time-resolved fluorescence spectroscopy, combined with molecular docking calculations. The results suggest that the interaction of these compounds is spontaneous, weak to moderate, and probably occurs at site III (subdomain IB) by non-covalent forces, including van der Waals and H-bonding. Moreover, porphyrins containing peripheral complexes improve their interactions with biomolecules, show good photostability, generate reactive oxygen species under white light studied by electron paramagnetic resonance (EPR) analysis, and promote photo-damage of HSA.
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Affiliation(s)
- Isadora Tisoco
- Department of Chemistry, Federal University of Santa Maria, Av. Roraima, Santa Maria-RS, Brazil.
| | - Maria Carolina Donatoni
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luiz, São Carlos-SP, Brazil
| | | | - José Roberto de Toledo
- Department of Physics, Federal University of Minas Gerais, Av. Antônio Carlos, Belo Horizonte-MG, Brazil
| | - Klaus Krambrock
- Department of Physics, Federal University of Minas Gerais, Av. Antônio Carlos, Belo Horizonte-MG, Brazil
| | | | - Kleber Thiago de Oliveira
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luiz, São Carlos-SP, Brazil
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20
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Wang X, Sacramento CQ, Jockusch S, Chaves OA, Tao C, Fintelman-Rodrigues N, Chien M, Temerozo JR, Li X, Kumar S, Xie W, Patel DJ, Meyer C, Garzia A, Tuschl T, Bozza PT, Russo JJ, Souza TML, Ju J. Combination of Antiviral Drugs to Inhibit SARS-CoV-2 Polymerase and Exonuclease as Potential COVID-19 Therapeutics. bioRxiv 2021:2021.07.21.453274. [PMID: 34312622 PMCID: PMC8312893 DOI: 10.1101/2021.07.21.453274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
SARS-CoV-2 has an exonuclease-based proofreader, which removes nucleotide inhibitors such as Remdesivir that are incorporated into the viral RNA during replication, reducing the efficacy of these drugs for treating COVID-19. Combinations of inhibitors of both the viral RNA-dependent RNA polymerase and the exonuclease could overcome this deficiency. Here we report the identification of hepatitis C virus NS5A inhibitors Pibrentasvir and Ombitasvir as SARS-CoV-2 exonuclease inhibitors. In the presence of Pibrentasvir, RNAs terminated with the active forms of the prodrugs Sofosbuvir, Remdesivir, Favipiravir, Molnupiravir and AT-527 were largely protected from excision by the exonuclease, while in the absence of Pibrentasvir, there was rapid excision. Due to its unique structure, Tenofovir-terminated RNA was highly resistant to exonuclease excision even in the absence of Pibrentasvir. Viral cell culture studies also demonstrate significant synergy using this combination strategy. This study supports the use of combination drugs that inhibit both the SARS-CoV-2 polymerase and exonuclease for effective COVID-19 treatment.
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Affiliation(s)
- Xuanting Wang
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY 10027
- Department of Chemical Engineering, Columbia University, New York, NY 10027
| | - Carolina Q. Sacramento
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
- National Institute for Science and Technology for Innovation on Neglected Diseases (INCT/IDN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Steffen Jockusch
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY 10027
- Department of Chemistry, Columbia University, New York, NY 10027
| | - Otávio Augusto Chaves
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
- National Institute for Science and Technology for Innovation on Neglected Diseases (INCT/IDN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Chuanjuan Tao
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY 10027
- Department of Chemical Engineering, Columbia University, New York, NY 10027
| | - Natalia Fintelman-Rodrigues
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
- National Institute for Science and Technology for Innovation on Neglected Diseases (INCT/IDN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Minchen Chien
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY 10027
- Department of Chemical Engineering, Columbia University, New York, NY 10027
| | - Jairo R. Temerozo
- Laboratory on Thymus Research, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
- National Institute for Science and Technology on Neuroimmunomodulation (INCT/NIM), Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Xiaoxu Li
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY 10027
- Department of Chemical Engineering, Columbia University, New York, NY 10027
| | - Shiv Kumar
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY 10027
- Department of Chemical Engineering, Columbia University, New York, NY 10027
| | - Wei Xie
- Laboratory of Structural Biology, Memorial Sloan-Kettering Cancer Center, New York, NY 10065
| | - Dinshaw J. Patel
- Laboratory of Structural Biology, Memorial Sloan-Kettering Cancer Center, New York, NY 10065
| | - Cindy Meyer
- Laboratory of RNA Molecular Biology, Rockefeller University, New York, NY 10065
| | - Aitor Garzia
- Laboratory of RNA Molecular Biology, Rockefeller University, New York, NY 10065
| | - Thomas Tuschl
- Laboratory of RNA Molecular Biology, Rockefeller University, New York, NY 10065
| | - Patrícia T. Bozza
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - James J. Russo
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY 10027
- Department of Chemical Engineering, Columbia University, New York, NY 10027
| | - Thiago Moreno L. Souza
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
- National Institute for Science and Technology for Innovation on Neglected Diseases (INCT/IDN), Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Jingyue Ju
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY 10027
- Department of Chemical Engineering, Columbia University, New York, NY 10027
- Department of Molecular Pharmacology and Therapeutics, Columbia University, New York, NY 10032
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21
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de Barros WA, Silva MDM, Dantas MDDA, Santos JCC, Figueiredo IM, Chaves OA, Sant’Anna CMR, de Fátima Â. Recreational drugs 25I-NBOH and 25I-NBOMe bind to both Sudlow's sites I and II of human serum albumin (HSA): biophysical and molecular modeling studies. NEW J CHEM 2021. [DOI: 10.1039/d1nj00806d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
25I-NBOH and 25I-NBOMe simultaneously bind to sites I and II of HSA, which may affect their distribution and effects.
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Affiliation(s)
- Wellington Alves de Barros
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
| | | | | | | | | | - Otávio Augusto Chaves
- Departamento de Química Fundamental
- Instituto de Química
- Universidade Federal Rural do Rio de Janeiro
- Seropédica
- Brazil
| | - Carlos Mauricio R. Sant’Anna
- Departamento de Química Fundamental
- Instituto de Química
- Universidade Federal Rural do Rio de Janeiro
- Seropédica
- Brazil
| | - Ângelo de Fátima
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
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22
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Bombaça ACS, Silva LA, Chaves OA, da Silva LS, Barbosa JMC, da Silva AM, Ferreira ABB, Menna-Barreto RFS. Novel N,N-di-alkylnaphthoimidazolium derivative of β-lapachone impaired Trypanosoma cruzi mitochondrial electron transport system. Biomed Pharmacother 2021; 135:111186. [PMID: 33395606 DOI: 10.1016/j.biopha.2020.111186] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/16/2020] [Accepted: 12/26/2020] [Indexed: 11/19/2022] Open
Abstract
Trypanosoma cruzi is a protozoan parasite that causes Chagas disease, a neglected tropical disease that is endemic in Latin America and spreading worldwide due to globalization. The current treatments are based on benznidazole and nifurtimox; however, these drugs have important limitations and limited efficacy during the chronic phase, reinforcing the necessity of an alternative chemotherapy. For the last 30 years, our group has been evaluating the biological activity of naphthoquinones and derivatives on T. cruzi, and of the compounds tested, N1, N2 and N3 were found to be the most active in vitro. Here, we show the synthesis of a novel β-lapachone-derived naphthoimidazolium named N4 and assess its activity on T. cruzi stages and the mechanism of action. The new compound was very active on all parasite stages (IC50/24 h in the range of 0.8-7.9 μM) and had a selectivity index of 5.4. Mechanistic analyses reveal that mitochondrial ROS production begins after short treatment starts and primarily affects the activity of complexes II-III. After 24 h treatment, a partial restoration of mitochondrial physiology (normal complexes II-III and IV activities and controlled H2O2 release) was observed; however, an extensive injury in its morphology was still detected. During treatment with N4, we also observed that trypanothione reductase activity increased in a time-dependent manner and concomitant with increased oxidative stress. Molecular docking calculations indicated the ubiquinone binding site of succinate dehydrogenase as an important interaction point with N4, as with the FMN binding site of dihydroorotate dehydrogenase. The results presented here may be a good starting point for the development of alternative treatments for Chagas disease and for understanding the mechanism of naphthoimidazoles in T. cruzi.
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Affiliation(s)
- Ana Cristina S Bombaça
- Laboratório de Biologia Celular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Leonardo A Silva
- Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Otávio Augusto Chaves
- Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lorrainy S da Silva
- Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Juliana M C Barbosa
- Laboratório de Biologia Celular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Ari M da Silva
- Instituto de Pesquisa em Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Aurélio B B Ferreira
- Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rubem F S Menna-Barreto
- Laboratório de Biologia Celular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil.
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Mainardi Martins F, Chaves OA, Acunha TV, Roman D, Iglesias BA, Back DF. Helical water-soluble Ni II complexes with pyridoxal ligand derivatives: Structural evaluation and interaction with biomacromolecules. J Inorg Biochem 2020; 215:111307. [PMID: 33341589 DOI: 10.1016/j.jinorgbio.2020.111307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 10/29/2020] [Accepted: 11/07/2020] [Indexed: 11/26/2022]
Abstract
This article deals with the synthesis of Schiff-based bis-azomethine-based ligands derived from pyridoxal and aliphatic dihydrazides and the synthesis of nickel(II) complexes C1-C4. The synthesized complexes had their structures elucidated by monocrystal X-ray diffraction and were characterized by vibrational and absorption spectroscopy. The synthesized ligands have characteristics that allow the formation of self-assembly processes, thus, the flexibility or rigidity of the coordination of organic molecules added to the orbitals of the NiII cation leads to the formation of helical complexes with double helix and a dinucler nickel(II) complex. Moreover, compounds was their interactions with CT-DNA and HSA absorption and emission analysis and molecular docking calculations.
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Affiliation(s)
| | - Otávio Augusto Chaves
- Instituto SENAI de Inovação em Química Verde, Firjan-SENAI, Rio de Janeiro, RJ, Brazil
| | - Thiago V Acunha
- Laboratório de Bioinorgânica e Materiais Porfirínicos, Departamento de Química, CCNE, UFSM, Santa Maria, RS, Brazil
| | - Daiane Roman
- Laboratório de Síntese e Modificação Molecular, Faculdade de Ciências Exatas e Tecnologia, UFGD, Dourados, MS, Brazil
| | - Bernardo Almeida Iglesias
- Laboratório de Bioinorgânica e Materiais Porfirínicos, Departamento de Química, CCNE, UFSM, Santa Maria, RS, Brazil
| | - Davi Fernando Back
- Laboratório de Materiais Inorgânicos, Departamento de Química, CCNE, UFSM, Santa Maria, RS, Brazil.
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24
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Chaves OA, Calheiro TP, Netto-Ferreira JC, de Oliveira MC, Franceschini SZ, de Salles CMC, Zanatta N, Frizzo CP, Iglesias BA, Bonacorso HG. Biological assays of BF2-naphthyridine compounds: Tyrosinase and acetylcholinesterase activity, CT-DNA and HSA binding property evaluations. Int J Biol Macromol 2020; 160:1114-1129. [DOI: 10.1016/j.ijbiomac.2020.05.162] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 01/30/2023]
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Querino ALDA, Enes KB, Chaves OA, Dittz D, Couri MRC, Diniz R, Silva H. Modified pyrazole platinum(II) complex can circumvent albumin and glutathione: Synthesis, structure and cytotoxic activity. Bioorg Chem 2020; 100:103936. [PMID: 32438131 DOI: 10.1016/j.bioorg.2020.103936] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 05/09/2020] [Accepted: 05/11/2020] [Indexed: 12/18/2022]
Abstract
The synthesis and structural characterization of novel platinum complexes ([PtII(Pz)2Cl2] - C1, C2 and C3) featuring diphenyl-pyrazole derived ligands: para-fluorophenyl and para-substituted phenyl (CH3, F and Cl for L1, L2 and L3, respectively) were reported and it was also evaluated their potential antitumor activity. The elemental, molar conductivity and thermogravimetric analysis combined with FTIR, UV-vis, NMR and mass spectrometry are in agreement with the chemical structure indicated by single-crystal X-ray diffraction. The antiproliferative activities were assessed against tumor (B16F10 and 4T1) and non-tumor (BHK21) cell lines, and the cytotoxicity of the compounds was strongly increased after metal complexation displaying promising activity. It was also assessed the ability of extracellular bovine serum albumin (BSA) and glutathione (GSH) to decrease the cytotoxicity of the complexes against B16F10. It was highlighted that only the C3 activity was not disturbed in those conditions, being confirmed by flow cytometry using Anexin-V/PI to evaluate interferences in the apoptosis process, even it was not predicted by molecular docking simulations. The interaction of the synthesized compounds with calf-thymus DNA (ctDNA) and bovine serum albumin (BSA) was also investigated through spectrophotometric assays and molecular docking simulations, indicating that C1 and C2 presented better interaction with the biomacromolecules than the corresponding ligands. In addition, agarose gel electrophoresis with plasmid DNA revealed that C1-C3 are capable of interaction with DNA and modify its electrophoretic mobility.
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Affiliation(s)
| | - Karine Braga Enes
- Department of Chemistry, Universidade Federal de Juiz de Fora, 36036-900 Juiz de Fora, MG, Brazil
| | - Otávio Augusto Chaves
- Senai Innovation Institute for Green Chemistry, 20271-030 Rio de Janeiro, RJ, Brazil
| | - Dalton Dittz
- Department of Biochemistry and Pharmacology, Universidade Federal do Piauí, 64049-550 Terezina, PI, Brazil
| | - Mara Rubia Costa Couri
- Department of Chemistry, Universidade Federal de Juiz de Fora, 36036-900 Juiz de Fora, MG, Brazil
| | - Renata Diniz
- Department of Chemistry, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, MG, Brazil
| | - Heveline Silva
- Department of Chemistry, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, MG, Brazil.
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26
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Chaves OA, Acunha TV, Iglesias BA, Jesus CS, Serpa C. Effect of peripheral platinum(II) bipyridyl complexes on the interaction of tetra-cationic porphyrins with human serum albumin. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112466] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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27
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Siqueira JD, de Pellegrin SF, dos Santos SS, Iglesias BA, Piquini PC, Arantes LP, Soares FA, Chaves OA, Neves A, Back DF. SOD activity of new copper II complexes with ligands derived from pyridoxal and toxicity in Caenorhabditis elegans. J Inorg Biochem 2020; 204:110950. [DOI: 10.1016/j.jinorgbio.2019.110950] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 11/20/2019] [Accepted: 11/22/2019] [Indexed: 10/25/2022]
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da Silva CC, Chaves OA, Paiva R, da Costa GL, Netto-Ferreira JC, Echevarria A. Antibacterial Activity of 2-Amino-1,4-naphthoquinone Derivatives Against Gram‑Positive and Gram-Negative Bacterial Strains and Their Interaction with Human Serum Albumin. J BRAZIL CHEM SOC 2020. [DOI: 10.21577/0103-5053.20200070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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29
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Chaves OA, Menezes LB, Iglesias BA. Multiple spectroscopic and theoretical investigation of meso-tetra-(4-pyridyl)porphyrin‑ruthenium(II) complexes in HSA-binding studies. Effect of Zn(II) in protein binding. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111581] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Mendes EP, Goulart CM, Chaves OA, Faiões VDS, Canto-Carvalho MM, Machado GC, Torres-Santos EC, Echevarria A. Evaluation of Novel Chalcone-Thiosemicarbazones Derivatives as Potential Anti- Leishmania amazonensis Agents and Its HSA Binding Studies. Biomolecules 2019; 9:biom9110643. [PMID: 31652866 PMCID: PMC6920794 DOI: 10.3390/biom9110643] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 10/20/2019] [Accepted: 10/21/2019] [Indexed: 11/16/2022] Open
Abstract
A series of seven chalcone-thiosemicarbazones (5a-5g) were synthesized and evaluated as potential new drugs (anti-leishmanial effect). Although four of the chalcone-thiosemicarbazones are already known, none of them or any compound in this class has been previously investigated for their effects on parasites of the Leishmania genus. The compounds were prepared in satisfactory yields (40-75%) and these compounds were evaluated against promastigotes, axenic amastigotes and intracellular amastigotes of L. amazonensis after 48 h of culture. The half maximal inhibitory concentration (IC50) values of the intracellular amastigotes were determined to be in the range of 3.40 to 5.95 µM for all compounds assayed. The selectivity index showed value of 15.05 for 5a, whereas pentamidine (reference drug) was more toxic in our model (SI = 2.32). Furthermore, to understand the preliminary relationship between the anti-leishmanial activity of the chalcone-thiosemicarbazones, their electronic (σ), steric (MR) and lipophilicity (π) properties were correlated, and the results indicated that moieties with electronic withdrawing effects increase the anti-leishmanial activity. The preliminary pharmacokinetic evaluation of one of the most active compound (5e) was studied via interaction to human serum albumin (HSA) using multiple spectroscopic techniques combined with molecular docking. The results of antiparasitic effects against L. amazonensis revealed the chalcone-thiosemicarbazone class to be novel prototypes for drug development against leishmaniasis.
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Affiliation(s)
- Edinéia Pastro Mendes
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal Rural do Rio de Janeiro, Seropédica-Rio de Janeiro 23.890-000, Brazil.
- Programa de Pós-graduação em Ciência, Tecnologia e Inovação em Agropecuária, Universidade Federal Rural do Rio de Janeiro, Seropédica, Seropédica-Rio de Janeiro 23890-000, Brazil.
| | - Carla Marins Goulart
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal Rural do Rio de Janeiro, Seropédica-Rio de Janeiro 23.890-000, Brazil.
| | - Otávio Augusto Chaves
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal Rural do Rio de Janeiro, Seropédica-Rio de Janeiro 23.890-000, Brazil.
- Instituto SENAI de Inovação em Química Verde, Maracanã-Rio de Janeiro 20271-030, Brazil.
| | - Viviane Dos S Faiões
- Laboratório de Bioquímica de Tripanosomatídeos, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro-Rio de Janeiro 21040-900, Brazil.
| | - Marilene M Canto-Carvalho
- Laboratório de Bioquímica de Tripanosomatídeos, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro-Rio de Janeiro 21040-900, Brazil.
| | - Gerzia C Machado
- Laboratório de Bioquímica de Tripanosomatídeos, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro-Rio de Janeiro 21040-900, Brazil.
| | - Eduardo Caio Torres-Santos
- Laboratório de Bioquímica de Tripanosomatídeos, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro-Rio de Janeiro 21040-900, Brazil.
| | - Aurea Echevarria
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal Rural do Rio de Janeiro, Seropédica-Rio de Janeiro 23.890-000, Brazil.
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31
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de Andrade Querino AL, da Silva JT, Silva JT, Alvarenga GM, da Silveira CH, de Magalhães MTQ, Chaves OA, Iglesias BA, Diniz R, Silva H. Mono and dinuclear platinum and palladium complexes containing adamantane–azole ligands: DNA and BSA interaction and cytotoxicity. J Biol Inorg Chem 2019; 24:1087-1103. [DOI: 10.1007/s00775-019-01719-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 09/13/2019] [Indexed: 01/01/2023]
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32
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Bessega T, Chaves OA, Martins FM, Acunha TV, Back DF, Iglesias BA, de Oliveira GM. Coordination of Zn(II), Pd(II) and Pt(II) with ligands derived from diformylpyridine and thiosemicarbazide: Synthesis, structural characterization, DNA/BSA binding properties and molecular docking analysis. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.119049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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33
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Chaves OA, Mathew B, Parambi DGT, C S de Oliveira CH, Cesarin-Sobrinho D, Lakshminarayanan B, Najeeb S, Nafna EK, Marathakam A, Uddin MS, Joy M, Carlos Netto-Ferreira J. Studies on the interaction between HSA and new halogenated metformin derivatives: influence of lipophilic groups in the binding ability. J Biomol Struct Dyn 2019; 38:2128-2140. [PMID: 31184536 DOI: 10.1080/07391102.2019.1627247] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
In the type II diabetes mellitus, Metformin hydrochloride is recommended as a common FAD approved drug. Synthesis of novel metformin series has been widely explored, mainly due to its biological importance and to improve their pharmacokinetic profile. Generally, human serum albumin (HSA) is the main protein used to study drug viability in vitro analysis. Thus, the present study reports the synthesis of three new halogenated metformin derivatives (MFCl, MFBr and MFCF3) and its interaction toward HSA by multiple spectroscopic techniques (UV-Vis, circular dichroism, steady-state, time-resolved and synchronous fluorescence), combined to computational methods (molecular docking and quantum chemical calculation). The interaction between each halogenated metformin derivative and HSA is spontaneous (ΔG°<0), entropically driven (ΔS°>0), moderate (Ka and Kb ≈ 104 M-1) and occurs preferentially in the subdomain IIA (close to Trp-214 residue). Molecular docking results suggested hydrogen bonding, van der Waals and hydrophobic interactions as the main binding forces. Quantum chemical calculations suggested imino groups as the most intense electrostatic negative potentials, while the positive electrostatic potential is located at the hydrogen atoms on N,N-dimethyl and the phenyl systems which can help the hydrophobic interactions. [Formula: see text]Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Otávio Augusto Chaves
- Institute of Chemistry, Department of Organic Chemistry, Universidade Federal Rural do Rio de Janeiro, Seropédica, Brazil.,SENAI Innovation Institute for Green Chemisry, Rio de Janeiro, Brazil
| | - Bijo Mathew
- Division of Drug Design and Medicinal Chemistry Research Lab, Department of Pharmaceutical Chemistry, Ahalia School of Pharmacy, Palakkad, Kerala, India
| | | | - Cosme Henrique C S de Oliveira
- Institute of Chemistry, Department of Organic Chemistry, Universidade Federal Rural do Rio de Janeiro, Seropédica, Brazil
| | - Dari Cesarin-Sobrinho
- Institute of Chemistry, Department of Organic Chemistry, Universidade Federal Rural do Rio de Janeiro, Seropédica, Brazil
| | - Balasubramanian Lakshminarayanan
- Division of Drug Design and Medicinal Chemistry Research Lab, Department of Pharmaceutical Chemistry, Ahalia School of Pharmacy, Palakkad, Kerala, India.,Department of Pharmacy, Southeast University, Dhaka, Bangladesh
| | - Sadiya Najeeb
- Division of Drug Design and Medicinal Chemistry Research Lab, Department of Pharmaceutical Chemistry, Ahalia School of Pharmacy, Palakkad, Kerala, India
| | - E K Nafna
- Division of Drug Design and Medicinal Chemistry Research Lab, Department of Pharmaceutical Chemistry, Ahalia School of Pharmacy, Palakkad, Kerala, India
| | - Akash Marathakam
- Department of Pharmaceutical Chemistry, National College of Pharmacy, Calicut, Kerala
| | - Md Sahab Uddin
- Department of Pharmacy, Southeast University, Dhaka, Bangladesh.,Pharmakon Neuroscience Research Network, Dhaka, Bangladesh
| | - Monu Joy
- Department of Chemistry & Biomolecular Science, Clarkson University, Potsdam, NY, USA
| | - José Carlos Netto-Ferreira
- Institute of Chemistry, Department of Organic Chemistry, Universidade Federal Rural do Rio de Janeiro, Seropédica, Brazil.,Divisão de Metrologia Química, Instituto Nacional de Metrologia, Qualidade e Tecnologia - INMETRO, Duque de Caxias, Brazil
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34
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Chaves OA, Sasidharan R, dos Santos de Oliveira CHC, Manju SL, Joy M, Mathew B, Netto-Ferreira JC. In Vitro
Study of the Interaction Between HSA and 4-Bromoindolylchalcone, a Potent Human MAO-B Inhibitor: Spectroscopic and Molecular Modeling Studies. ChemistrySelect 2019. [DOI: 10.1002/slct.201802665] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Otávio Augusto Chaves
- SENAI Innovation Institute for Green Chemistry.; Rua Morais e Silva N° 53, Maracanã 20271030 Rio de Janeiro-RJ Brazil
- Institute of Chemistry; Department of Organic Chemistry; Universidade Federal Rural do Rio de Janeiro; BR-465 Km 7 23970-000 Seropédica-RJ Brazil
| | - Rani Sasidharan
- College of Pharmaceutical Science; Government T.D. Medical College, Alappuzha; Kerala India
- Department of Chemistry, SAS; VIT University, Vellore; 632014 Tamil Nadu India
| | - Cosme H. C. dos Santos de Oliveira
- Institute of Chemistry; Department of Organic Chemistry; Universidade Federal Rural do Rio de Janeiro; BR-465 Km 7 23970-000 Seropédica-RJ Brazil
| | | | - Monu Joy
- School of Pure & Applied Physics; M.G. University; 686560 Kottayam India
| | - Bijo Mathew
- Division of Drug Design and Medicinal Chemistry Research Lab; Department of Pharmaceutical Chemistry; Ahalia School of Pharmacy, Palakkad; 678557 Kerala India
| | - José Carlos Netto-Ferreira
- SENAI Innovation Institute for Green Chemistry.; Rua Morais e Silva N° 53, Maracanã 20271030 Rio de Janeiro-RJ Brazil
- Divisão de Metrologia Química; Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO); 25250-020 Duque de Caxias-RJ Brazil
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Augusto Chaves O, de Oliveira Pires L, Nora Castro R, R. Sant'Anna CM, Carlos Netto-Ferreira J. Theoretical and Experimental Studies of the Interaction between Human Serum Albumin and Artepillin C, an Active Principle of the Brazilian Green Propolis. ACTA ACUST UNITED AC 2019. [DOI: 10.21577/1984-6835.20190109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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36
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Hahn da Silveira C, Garoforo EN, Chaves OA, Gonçalves PF, Streit L, Iglesias BA. Synthesis, spectroscopy, electrochemistry and DNA interactive studies of meso-tetra(1-naphthyl)porphyrin and its metal complexes. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.06.052] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Chaves OA, de Lima Santos MR, de Oliveira MC, Sant'Anna CMR, Ferreira RC, Echevarria A, Netto-Ferreira JC. Synthesis, tyrosinase inhibition and transportation behavior of novel β-enamino thiosemicarbazide derivatives by human serum albumin. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.01.083] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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38
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Lopes ND, Chaves OA, de Oliveira MCC, Sant'Anna CMR, Sousa-Pereira D, Netto-Ferreira JC, Echevarria A. Novel piperonal 1,3,4-thiadiazolium-2-phenylamines mesoionic derivatives: Synthesis, tyrosinase inhibition evaluation and HSA binding study. Int J Biol Macromol 2018; 112:1062-1072. [PMID: 29447969 DOI: 10.1016/j.ijbiomac.2018.02.050] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 02/06/2018] [Accepted: 02/07/2018] [Indexed: 01/15/2023]
Abstract
A novel series of piperonal mesoionic derivatives (PMI 1-6) was synthesized. Tyrosinase inhibition in the presence of PMI-1, -2, -3, -4, -5 and -6 as well as human serum albumin (HSA) binding studies with PMI-5 and PMI-6 were done by spectroscopic and theoretical methods. The mesoionic compound PMI-5 is the most promising tyrosinase inhibitor with a noncompetitive inhibitory mechanism and an IC50=124μmolL-1. In accordance with the kinetic profile, molecular docking results show that PMI-5 is able to interact favorably with the tyrosinase active site containing the substrate molecule, L-DOPA, interacting with Val-247, Phe-263 and Val-282 residues. The spectroscopic results for the interaction HSA:PMI-5 and HSA:PMI-6 indicated that these mesoionic compounds can associate with HSA in the ground state and energy transfer can occur with high probability. The binding was moderate, spontaneous and can perturb significantly the secondary structure of the albumin. The molecular docking results suggest that PMI-5 and PMI-6 are able to be accommodated inside the Sudlow's site I in HSA, interacting with hydrophobic and hydrophilic amino acid residues.
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Affiliation(s)
- Natália Drumond Lopes
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR-465 Km 7, 23970-000 Seropédica, RJ, Brazil
| | - Otávio Augusto Chaves
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR-465 Km 7, 23970-000 Seropédica, RJ, Brazil
| | - Márcia C C de Oliveira
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR-465 Km 7, 23970-000 Seropédica, RJ, Brazil
| | - Carlos Mauricio R Sant'Anna
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR-465 Km 7, 23970-000 Seropédica, RJ, Brazil
| | - Danilo Sousa-Pereira
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR-465 Km 7, 23970-000 Seropédica, RJ, Brazil
| | - José Carlos Netto-Ferreira
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR-465 Km 7, 23970-000 Seropédica, RJ, Brazil.
| | - Aurea Echevarria
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR-465 Km 7, 23970-000 Seropédica, RJ, Brazil.
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Chaves OA, Mathew B, Cesarin-Sobrinho D, Lakshminarayanan B, Joy M, Mathew GE, Suresh J, Netto-Ferreira JC. Spectroscopic, zeta potential and molecular docking analysis on the interaction between human serum albumin and halogenated thienyl chalcones. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.07.091] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Chaves OA, de Barros LS, de Oliveira MC, Sant’Anna CMR, Ferreira AB, da Silva FA, Cesarin-Sobrinho D, Netto-Ferreira JC. Biological interactions of fluorinated chalcones: Stimulation of tyrosinase activity and binding to bovine serum albumin. J Fluor Chem 2017. [DOI: 10.1016/j.jfluchem.2017.04.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Chaves OA, de Oliveira CHCDS, Ferreira RC, Pereira RP, de Melos JLR, Rodrigues-Santos CE, Echevarria A, Cesarin-Sobrinho D. Investigation of interaction between human plasmatic albumin and potential fluorinated anti-trypanosomal drugs. J Fluor Chem 2017. [DOI: 10.1016/j.jfluchem.2017.05.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Chaves OA, da Silva VA, Sant'Anna CMR, Ferreira AB, Ribeiro TAN, de Carvalho MG, Cesarin-Sobrinho D, Netto-Ferreira JC. Binding studies of lophirone B with bovine serum albumin (BSA): Combination of spectroscopic and molecular docking techniques. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.09.036] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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de Barros LS, Chaves OA, Schaeffer E, Sant’Anna CMR, Ferreira AB, Cesarin-Sobrinho D, da Silva FA, Netto-Ferreira JC. Evaluating the interaction between di-fluorinated chalcones and plasmatic albumin. J Fluor Chem 2016. [DOI: 10.1016/j.jfluchem.2016.09.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Chaves OA, Soares BA, Maciel MAM, Sant'Anna CMR, Netto-Ferreira JC, Cesarin-Sobrinho D, Ferreira ABB. A Study of the Interaction Betweentrans-Dehydrocrotonin, a Bioactive Natural 19-nor-Clerodane, and Serum Albumin. J BRAZIL CHEM SOC 2016. [DOI: 10.5935/0103-5053.20160069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Chaves OA, Amorim APDO, Castro LHE, Sant'Anna CMR, de Oliveira MCC, Cesarin-Sobrinho D, Netto-Ferreira JC, Ferreira ABB. Fluorescence and Docking Studies of the Interaction between Human Serum Albumin and Pheophytin. Molecules 2015; 20:19526-39. [PMID: 26516829 PMCID: PMC6332261 DOI: 10.3390/molecules201019526] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 10/16/2015] [Accepted: 10/20/2015] [Indexed: 11/16/2022] Open
Abstract
In the North of Brazil (Pará and Amazonas states) the leaves of the plant Talinum triangulare (popular: cariru) replace spinach as food. From a phytochemical point of view, they are rich in compounds of the group of pheophytins. These substances, related to chlorophyll, have photophysical properties that give them potential application in photodynamic therapy. Human serum albumin (HSA) is one of the main endogenous vehicles for biodistribution of molecules by blood plasma. Association constants and thermodynamic parameters for the interaction of HSA with pheophytin from Talinum triangulare were studied by UV-Vis absorption, fluorescence techniques, and molecular modeling (docking). Fluorescence quenching of the HSA's internal fluorophore (tryptophan) at temperatures 296 K, 303 K, and 310 K, resulted in values for the association constants of the order of 10⁴ L∙mol(-1), indicating a moderate interaction between the compound and the albumin. The negative values of ΔG° indicate a spontaneous process; ΔH° = 15.5 kJ∙mol(-1) indicates an endothermic process of association and ΔS° = 0.145 kJ∙mol(-1)∙K(-1) shows that the interaction between HSA and pheophytin occurs mainly by hydrophobic factors. The observed Trp fluorescence quenching is static: there is initial non-fluorescent association, in the ground state, HSA:Pheophytin. Possible solution obtained by a molecular docking study suggests that pheophytin is able to interact with HSA by means of hydrogen bonds with three lysine and one arginine residues, whereas the phytyl group is inserted in a hydrophobic pocket, close to Trp-214.
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Affiliation(s)
- Otávio Augusto Chaves
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR 465, km 47, 23890-000 Seropédica-RJ, Brazil.
| | - Ana Paula de O Amorim
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR 465, km 47, 23890-000 Seropédica-RJ, Brazil.
| | - Larissa H E Castro
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR 465, km 47, 23890-000 Seropédica-RJ, Brazil.
| | - Carlos Mauricio R Sant'Anna
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR 465, km 47, 23890-000 Seropédica-RJ, Brazil.
| | - Márcia C C de Oliveira
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR 465, km 47, 23890-000 Seropédica-RJ, Brazil.
| | - Dari Cesarin-Sobrinho
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR 465, km 47, 23890-000 Seropédica-RJ, Brazil.
| | - José Carlos Netto-Ferreira
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR 465, km 47, 23890-000 Seropédica-RJ, Brazil.
- Instituto Nacional de Metrologia, Qualidade e Tecnologia-INMETRO, Divisão de Metrologia Química, 25250-020 Duque de Caxias-RJ, Brazil.
| | - Aurélio B B Ferreira
- Departamento de Química, Universidade Federal Rural do Rio de Janeiro, BR 465, km 47, 23890-000 Seropédica-RJ, Brazil.
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