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Dos Santos GS, Sousa Teixeira MV, da Costa Clementino L, Gama-Filho PA, Pereira LM, Rodrigues Teixeira T, Cardoso Furtado NAJ, da Silva Graminha MA, Yatsuda AP, Neto PC, Edrada-Ebel RA, Debonsi HM. Annotation of GC-MS Data of Antimicrobial Constituents in the Antarctic Seaweed Phaeurus antarcticus by Molecular Networking. Chem Biodivers 2023; 20:e202300429. [PMID: 37908056 DOI: 10.1002/cbdv.202300429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 10/05/2023] [Accepted: 10/31/2023] [Indexed: 11/02/2023]
Abstract
Phaeurus antarcticus is a member of the Desmarestiaceae family endemic to the Antarctic Peninsula. Reports addressing its chemical composition and biological activities are scarce. Herein, bioactive non-polar compounds of P. antarcticus against pathogenic bacteria, Leishmania amazonensis and Neospora caninum parasites were targeted through GC-MS Molecular Networking and multivariate analysis (OPLS-DA). The effects on horseradish peroxidase (HRP) were also evaluated. P. antarcticus exhibited selective bacteriostatic and bactericidal activities against Staphylococcus aureus with MIC and MBC values from 6.25-100 μg mL-1 . Fractions HX-FC and HX-FD were the most active against L. amazonensis with EC50 ranging from 18.5-62.3 μg mL-1 . Additionally, fractions HX-FC and HX-FD showed potent inhibition of N. caninum at EC50 values of 2.8 and 6.3 μg mL-1 , respectively. All fractions inhibited HRP activity, indicating possible interactions with Heme proteins. It was possible to annotate compounds from tree mains clusters, containing terpenoids, steroids, fatty acids, and alcohols by correlating the spectral data of the GC-MS analysis with Molecular Networking and the OPLS-DA results.
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Affiliation(s)
- Gustavo Souza Dos Santos
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Maria Valdeline Sousa Teixeira
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | | | - Péricles Abreu Gama-Filho
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Luiz Miguel Pereira
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Thaiz Rodrigues Teixeira
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | | | | | - Ana Patrícia Yatsuda
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Pio Colepicolo Neto
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, SP, Brazil
| | - Ru Angelie Edrada-Ebel
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
| | - Hosana Maria Debonsi
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
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2
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de Giacometi M, Mayer JCP, de Mello AB, Islabão YW, Strothmann AL, da Fonseca RN, Sena-Lopes Â, Dornelles L, Borsuk S, Hübner SDO, Oliveira CB. Activity of compounds derived from benzofuroxan in Trichomonasvaginalis. Exp Parasitol 2023; 253:108601. [PMID: 37625643 DOI: 10.1016/j.exppara.2023.108601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 08/08/2023] [Accepted: 08/19/2023] [Indexed: 08/27/2023]
Abstract
Trichomoniasis is a sexually transmitted infection caused by the protozoan Trichomonas vaginalis. Currently, trichomoniasis is treated with the class of nitroimidazoles, namely, metronidazole; however, resistant isolates and strains have been reported. The compounds derived from benzofuroxan are biologically active heterocycles. This study evaluated the in vitro antiparasitic activity of these compounds in trophozoites of T. vaginalis and determined the mean inhibitory concentration (IC50), minimum inhibitory concentration (MIC), mortality curve, and cytotoxicity. The compounds were named EH1, EH2, EH3, and EA2 and tested in various concentrations: 100 to 15 μM (EH1 and EH2); 100 to 5 μM (EH3); and 100 to 25 μM (EA2), respectively. The greatest efficacy was observed in the highest concentrations in 24 h, with inhibition of approximately 100% of trophozoites. Compounds EH2 and EH3 had the lowest MIC: EH2 (35 μM) and EH3 (45 μM), with IC50 of 11.33 μM and 6.83 μM, respectively. Compound EA2 was effective at the highest concentrations. The activity of the compounds in T. vaginalis started in the first hour of incubation with 90% inhibition; after 12 h, inhibition >95% was observed. Compound EH1 showed the lowest activity, with the highest activity between 12 and 24 h after incubation. These results demonstrate that benzofuroxan derivatives are promising compounds for the in vitro treatment of T. vaginalis.
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Affiliation(s)
- Marjorie de Giacometi
- Department of Microbiology and Parasitology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - João Cândido Pilar Mayer
- Department of Chemistry, LabSelen-NanoBio, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Alexia Brauner de Mello
- Department of Microbiology and Parasitology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Yan Wahast Islabão
- Department of Microbiology and Parasitology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Adriane Leites Strothmann
- Center for Technological Development, Biotechnology, Federal University of Pelotas, Pelotas, RS, Brazil
| | | | - Ângela Sena-Lopes
- Center for Technological Development, Biotechnology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Luciano Dornelles
- Department of Chemistry, LabSelen-NanoBio, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Sibele Borsuk
- Center for Technological Development, Biotechnology, Federal University of Pelotas, Pelotas, RS, Brazil
| | | | - Camila Belmonte Oliveira
- Department of Microbiology and Parasitology, Federal University of Pelotas, Pelotas, RS, Brazil.
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3
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Abu Yousef M, Matsubara R. Recent progress in synthesis and application of furoxan. RSC Adv 2023; 13:5228-5248. [PMID: 36777951 PMCID: PMC9910416 DOI: 10.1039/d3ra00189j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
This review highlights recent developments in the synthesis and application of furoxan. The chemistry of furoxan is relatively underdeveloped compared to that of other heterocycles owing to its difficult synthesis, which is ascribed to the labile nature of this molecule under various reaction conditions. Nevertheless, recent studies have conducted a variety of bond-forming reactions on the furoxan ring via a post-ring introduction of substituents (PRIS) strategy. This strategy enables the synthesis of furoxan molecules of interest more directly than the conventional methods that rely on the pre-installation of substituents on the furoxan ring precursors. In this review, the PRIS strategy for furoxan synthesis is classified and discussed according to the type of bond formed. Additionally, recent progress in the application of furoxan molecules, predominantly facilitated by the development of new synthetic methods, is covered in this review.
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Affiliation(s)
- Muhammad Abu Yousef
- Department of Chemistry, Graduate School of Science, Kobe University 1-1 Rokkodai-cho, Nada-ku Kobe 657-8501 Japan
| | - Ryosuke Matsubara
- Department of Chemistry, Graduate School of Science, Kobe University 1-1 Rokkodai-cho, Nada-ku Kobe 657-8501 Japan
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4
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Chugunova E, Matveeva V, Tulesinova A, Iskanderov E, Akylbekov N, Dobrynin A, Khamatgalimov A, Appazov N, Boltayeva L, Duisembekov B, Zhanakov M, Aleksandrova Y, Sashenkova T, Klimanova E, Allayarova U, Balakina A, Mishchenko D, Burilov A, Neganova M. Water-Soluble Salts Based on Benzofuroxan Derivatives-Synthesis and Biological Activity. Int J Mol Sci 2022; 23:ijms232314902. [PMID: 36499230 PMCID: PMC9739695 DOI: 10.3390/ijms232314902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/16/2022] [Accepted: 11/18/2022] [Indexed: 11/29/2022] Open
Abstract
A series of novel water-soluble salts of benzofuroxans was achieved via aromatic nucleophilic substitution reaction of 4,6-dichloro-5-nitrobenzofuroxan with various amines. The salts obtained showed good effectiveness of the pre-sowing treatment of seeds of agricultural crops at concentrations of 20-40 mmol. In some cases, the seed treatment with salts leads not only to improved seed germination, but also to the suppression of microflora growth. Additionally, their anti-cancer activityin vitrohas been researched. The compounds with morpholine fragments or a fragment of N-dimethylpropylamine, demonstrated the highest cytotoxic activity, which is in good correlation with the ability to inhibit the glycolysis process in tumor cells. Two compounds 4e and 4g were selected for further experiments using laboratory animals. It was found that the lethal dose of 50% (LD50) is 22.0 ± 1.33 mg/kg for 4e and 13.75 ± 1.73 mg/kg for 4g, i.e., compound 4e is two times less toxic than 4g, according to the mouse model in vivo. It was shown that the studied compounds exhibit antileukemia activity after a single intraperitoneal injection at doses from 1.25 to 5 mg/kg, as a result of which the average lifespan of animals with a P388 murine leukemia tumor increases from 20 to 28%. Thus, the water-soluble salts of benzofuroxans can be considered as promisingcandidates for further development, both as anti-cancer agents and as stimulants for seed germination and regulators of microflora crop growth.
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Affiliation(s)
- Elena Chugunova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan 420088, Russia
- Correspondence: (E.C.); (N.A.); Tel.: +7-843-272-7324 (E.C.); +7-724-223-1041 (N.A.)
| | - Victoria Matveeva
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan 420088, Russia
| | - Alena Tulesinova
- The Kazan National Research Technological University, Kazan 420015, Russia
| | | | - Nurgali Akylbekov
- Laboratory of Engineering Profile “Physical and Chemical Methods of Analysis”, Korkyt Ata Kyzylorda University, Kyzylorda 120014, Kazakhstan
- Correspondence: (E.C.); (N.A.); Tel.: +7-843-272-7324 (E.C.); +7-724-223-1041 (N.A.)
| | - Alexey Dobrynin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan 420088, Russia
| | - Ayrat Khamatgalimov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan 420088, Russia
| | - Nurbol Appazov
- Laboratory of Engineering Profile “Physical and Chemical Methods of Analysis”, Korkyt Ata Kyzylorda University, Kyzylorda 120014, Kazakhstan
- I. Zhakhaev Kazakh Scientific Research Institute of Rice Growing, Kyzylorda 120008, Kazakhstan
| | - Lyazat Boltayeva
- Kazakh Scientific Research Institute of Plant Protection and Quarantine Named after Zhazken Zhiembayev LLP, Almaty A30M0H6, Kazakhstan
| | - Bakhytzhan Duisembekov
- Kazakh Scientific Research Institute of Plant Protection and Quarantine Named after Zhazken Zhiembayev LLP, Almaty A30M0H6, Kazakhstan
| | - Mukhtar Zhanakov
- L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
| | - Yulia Aleksandrova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan 420088, Russia
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Chernogolovka 142432, Russia
| | - Tatyana Sashenkova
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry—RAS, Chernogolovka 142432, Russia
| | - Elena Klimanova
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry—RAS, Chernogolovka 142432, Russia
| | - Ugulzhan Allayarova
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry—RAS, Chernogolovka 142432, Russia
| | - Anastasia Balakina
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry—RAS, Chernogolovka 142432, Russia
| | - Denis Mishchenko
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry—RAS, Chernogolovka 142432, Russia
- Faculty of Fundamental Physical-Chemical Engineering, M.V. Lomonosov—MSU, Moscow 119991, Russia
- Biomedical Institute of the Scientific and Educational Center, Moscow Regional State University in Chernogolovka, Mytishchi 141014, Russia
| | - Alexander Burilov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan 420088, Russia
| | - Margarita Neganova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan 420088, Russia
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Chernogolovka 142432, Russia
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5
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Rocha YM, Magalhães EP, de Medeiros Chaves M, Machado Marinho M, Nascimento E Melo de Oliveira V, Nascimento de Oliveira R, Lima Sampaio T, de Menezes RRPPB, Martins AMC, Nicolete R. Antiparasitary and antiproliferative activities in vitro of a 1,2,4-oxadiazole derivative on Trypanosoma cruzi. Parasitol Res 2022; 121:2141-2156. [PMID: 35610523 DOI: 10.1007/s00436-022-07554-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 05/13/2022] [Indexed: 11/26/2022]
Abstract
Chagas disease (CD) is a neglected disease, prevalent and endemic in Latin America, but also present in Europe and North America. The main treatment used for this disease is benznidazole, but its efficacy is variable in the chronic phase and presents high toxicity. So, there is a need for the development of new therapeutic agents. The five-membered heterocyclic 1,2,4-oxadiazole ring has received attention for its unique properties and a broad spectrum of biological activities and is therefore a potential candidate for the development of new drugs. Thus, the aim of this study was to evaluate the activity of the N-cyclohexyl-3-(3-methylphenyl)-1,2,4-oxadiazol-5-amine (2) on the evolutionary forms of Trypanosoma cruzi strain Y, as well as its mechanisms of action and in silico theoretical approach. The results by computational method showed an interaction of the 1,2,4-oxadiazole (2) with TcGAPDH, cruzain, and trypanothione reductase, showing good charge distribution and affinity in those three targets. Furthermore, cytotoxicity in LLC-MK2 cells was performed by the MTT method. In the assays with different parasite forms, the tested compound showed similar time-dependent concentration effect. The evaluation of the antiamastigote effect between the two concentrations tested showed a reduction in the number of infected cells and also in the number of amastigotes per infected cell. By flow cytometry, the compound (2) displayed alterations suggestive of necrotic events. Finally, in scanning electron microscopy structural alterations were present, characteristic of necrosisin the epimastigote forms. Overall, the 1,2,4-oxadiazole derivative (2) here evaluated opens perspectives to the development of new antichagasic agents.
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Affiliation(s)
- Yasmim Mendes Rocha
- Post-Graduate Program in Pharmaceutical Sciences - Federal University of Ceará, Fortaleza, CE, Brazil
- Fundação Oswaldo Cruz (Fiocruz Ceará), Rua São José, S/N, Eusébio, 61760-000, Brazil
| | - Emanuel Paula Magalhães
- Post-Graduate Program in Pharmaceutical Sciences - Federal University of Ceará, Fortaleza, CE, Brazil
| | | | - Márcia Machado Marinho
- Department of Clinical and Toxicological Analysis, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Valentina Nascimento E Melo de Oliveira
- Department of Chemistry, Federal Rural University of Pernambuco, Recife, PE, Brazil
- Instituto Federal de Educação Ciência E Tecnologia de Pernambuco, Campus Ipojuca, Ipojuca, 55590-000, Brazil
| | | | - Tiago Lima Sampaio
- Post-Graduate Program in Pharmaceutical Sciences - Federal University of Ceará, Fortaleza, CE, Brazil
- Department of Clinical and Toxicological Analysis, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Ramon R P P B de Menezes
- Post-Graduate Program in Pharmaceutical Sciences - Federal University of Ceará, Fortaleza, CE, Brazil
- Department of Clinical and Toxicological Analysis, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Alice M C Martins
- Post-Graduate Program in Pharmaceutical Sciences - Federal University of Ceará, Fortaleza, CE, Brazil
- Department of Clinical and Toxicological Analysis, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Roberto Nicolete
- Post-Graduate Program in Pharmaceutical Sciences - Federal University of Ceará, Fortaleza, CE, Brazil.
- Fundação Oswaldo Cruz (Fiocruz Ceará), Rua São José, S/N, Eusébio, 61760-000, Brazil.
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6
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Clementino LDC, Fernandes GFS, Prokopczyk IM, Laurindo WC, Toyama D, Motta BP, Baviera AM, Henrique-Silva F, dos Santos JL, Graminha MAS. Design, synthesis and biological evaluation of N-oxide derivatives with potent in vivo antileishmanial activity. PLoS One 2021; 16:e0259008. [PMID: 34723989 PMCID: PMC8559926 DOI: 10.1371/journal.pone.0259008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 10/09/2021] [Indexed: 11/18/2022] Open
Abstract
Leishmaniasis is a neglected disease that affects 12 million people living mainly in developing countries. Herein, 24 new N-oxide-containing compounds were synthesized followed by in vitro and in vivo evaluation of their antileishmanial activity. Compound 4f, a furoxan derivative, was particularly remarkable in this regard, with EC50 value of 3.6 μM against L. infantum amastigote forms and CC50 value superior to 500 μM against murine peritoneal macrophages. In vitro studies suggested that 4f may act by a dual effect, by releasing nitric oxide after biotransformation and by inhibiting cysteine protease CPB (IC50: 4.5 μM). In vivo studies using an acute model of infection showed that compound 4f at 7.7 mg/Kg reduced ~90% of parasite burden in the liver and spleen of L. infantum-infected BALB/c mice. Altogether, these outcomes highlight furoxan 4f as a promising compound for further evaluation as an antileishmanial agent.
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Affiliation(s)
- Leandro da Costa Clementino
- São Paulo State University (UNESP), Institute of Chemistry, Araraquara, Brazil
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
| | - Guilherme Felipe Santos Fernandes
- São Paulo State University (UNESP), Institute of Chemistry, Araraquara, Brazil
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
| | | | - Wilquer Castro Laurindo
- São Paulo State University (UNESP), Institute of Chemistry, Araraquara, Brazil
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
| | - Danyelle Toyama
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, Brazil
| | - Bruno Pereira Motta
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
| | - Amanda Martins Baviera
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
| | - Flávio Henrique-Silva
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, Brazil
| | - Jean Leandro dos Santos
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
- * E-mail: (JLS); (MASG)
| | - Marcia A. S. Graminha
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
- * E-mail: (JLS); (MASG)
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7
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Guo X, Yu H, Shen W, Cai R, Li Y, Li G, Zhao W, Wang S. Synthesis and biological evaluation of NO-donor containing photosensitizers to induce ferroptosis of cancer cells. Bioorg Chem 2021; 116:105355. [PMID: 34592689 DOI: 10.1016/j.bioorg.2021.105355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 09/02/2021] [Accepted: 09/09/2021] [Indexed: 11/26/2022]
Abstract
Photodynamic therapy (PDT) is a non-invasive treatment method for tumors by exciting photosensitizers (PS) upon light irradiation to generate cytotoxic reactive oxygen species (ROS). However, the low oxygen concentration near the tumor tissue limits the therapeutic effect of PDT. Herein, we synthesized six chlorin e6 derivatives containing NO-donors to enhance their antitumor activity by synergistic effect of ROS and NO. The results revealed that the new NO-donor containing photosensitizers (PS-NO) exhibited more potent photodynamic activity than chlorin e6, and the introduction of NO donor moieties to chlorin e6 increased the level of NO and ROS in cells. The addition of Ferrostatin-1, a ferroptosis inhibitor, markedly reduced the photodynamic activity of PS-NO as well as the level of NO and ROS in cells. Mechanism studies further showed that PS-NO could reduce intracellular GSH level, inhibit GPX4 activity and promote malondialdehyde (MDA) accumulation upon light irradiation, which suggested the ferroptosis mechanism underlying the PDT effect of PS-NO.
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Affiliation(s)
- Xiuhan Guo
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China; Ningbo Institute of Dalian University of Technology, Ningbo 315016, Zhejiang, China.
| | - Haoze Yu
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China
| | - Wanjie Shen
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China
| | - Rui Cai
- Center of Analysis and Research, Dalian University of Technology, Dalian 116024, Liaoning, China
| | - Yueqing Li
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China; Ningbo Institute of Dalian University of Technology, Ningbo 315016, Zhejiang, China
| | - Guangzhe Li
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China
| | - Weijie Zhao
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China
| | - Shisheng Wang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China; Ningbo Institute of Dalian University of Technology, Ningbo 315016, Zhejiang, China.
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8
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de Melo TRF, Dulmovits BM, Fernandes GFDS, de Souza CM, Lanaro C, He M, Al Abed Y, Chung MC, Blanc L, Costa FF, Dos Santos JL. Synthesis and pharmacological evaluation of pomalidomide derivatives useful for sickle cell disease treatment. Bioorg Chem 2021; 114:105077. [PMID: 34130111 PMCID: PMC8387409 DOI: 10.1016/j.bioorg.2021.105077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/03/2021] [Accepted: 06/07/2021] [Indexed: 12/21/2022]
Abstract
Fetal hemoglobin (HbF) induction constitutes a valuable and validated approach to treat the symptoms of sickle cell disease (SCD). Here, we synthesized pomalidomide-nitric oxide (NO) donor derivatives (3a-f) and evaluated their suitability as novel HbF inducers. All compounds demonstrated different capacities of releasing NO, ranging 0.3-30.3%. Compound 3d was the most effective HbF inducer for CD34+ cells, exhibiting an effect similar to that of hydroxyurea. We investigated the mode of action of compound 3d for HbF induction by studying the in vitro alterations in the levels of transcription factors (BCL11A, IKAROS, and LRF), inhibition of histone deacetylase enzymes (HDAC-1 and HDAC-2), and measurement of cGMP levels. Additionally, compound 3d exhibited a potent anti-inflammatory effect similar to that of pomalidomide by reducing the TNF-α levels in human mononuclear cells treated with lipopolysaccharides up to 58.6%. Chemical hydrolysis studies revealed that compound 3d was stable at pH 7.4 up to 24 h. These results suggest that compound 3d is a novel HbF inducer prototype with the potential to treat SCD symptoms.
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Affiliation(s)
| | - Brian M Dulmovits
- Department of Molecular Medicine and Pediatrics, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY 11549, USA; Laboratory of Developmental Erythropoiesis, Les Nelkin Memorial Pediatric Oncology Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY 11030, USA
| | | | - Cristiane M de Souza
- Faculty of Medical Sciences, State University of Campinas - UNICAMP, Campinas 13083-970, Brazil
| | - Carolina Lanaro
- Faculty of Medical Sciences, State University of Campinas - UNICAMP, Campinas 13083-970, Brazil
| | - Minghzu He
- Department of Molecular Medicine and Pediatrics, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY 11549, USA; Laboratory of Developmental Erythropoiesis, Les Nelkin Memorial Pediatric Oncology Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY 11030, USA
| | - Yousef Al Abed
- Department of Molecular Medicine and Pediatrics, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY 11549, USA; Laboratory of Developmental Erythropoiesis, Les Nelkin Memorial Pediatric Oncology Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY 11030, USA
| | - Man Chin Chung
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara 14800-903, Brazil
| | - Lionel Blanc
- Department of Molecular Medicine and Pediatrics, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY 11549, USA
| | - Fernando Ferreira Costa
- Faculty of Medical Sciences, State University of Campinas - UNICAMP, Campinas 13083-970, Brazil
| | - Jean Leandro Dos Santos
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara 14800-903, Brazil.
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9
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T Pournara D, Durner A, Kritsi E, Papakostas A, Zoumpoulakis P, Nicke A, Koufaki M. Design, Synthesis, and in vitro Evaluation of P2X7 Antagonists. ChemMedChem 2020; 15:2530-2543. [PMID: 32964578 DOI: 10.1002/cmdc.202000303] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 08/09/2020] [Indexed: 01/03/2023]
Abstract
The P2X7 receptor is a promising target for the treatment of various diseases due to its significant role in inflammation and immune cell signaling. This work describes the design, synthesis, and in vitro evaluation of a series of novel derivatives bearing diverse scaffolds as potent P2X7 antagonists. Our approach was based on structural modifications of reported (adamantan-1-yl)methylbenzamides able to inhibit the receptor activation. The adamantane moieties and the amide bond were replaced, and the replacements were evaluated by a ligand-based pharmacophore model. The antagonistic potency of the synthesized analogues was assessed by two-electrode voltage clamp experiments, using Xenopus laevis oocytes that express the human P2X7 receptor. SAR studies suggested that the replacement of the adamantane ring by an aryl-cyclohexyl moiety afforded the most potent antagonists against the activation of the P2X7 cation channel, with analogue 2-chloro-N-[1-(3-(nitrooxymethyl)phenyl)cyclohexyl)methyl]benzamide (56) exhibiting the best potency with an IC50 value of 0.39 μM.
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Affiliation(s)
- Dimitra T Pournara
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
| | - Anna Durner
- Walther-Straub-Institut für Pharmakologie und Toxikologie, Ludwig-Maximilians-Universität München, Nußbaumstr. 26, 80336, München, Germany
| | - Eftichia Kritsi
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
| | - Alexios Papakostas
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
| | - Panagiotis Zoumpoulakis
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
| | - Annette Nicke
- Walther-Straub-Institut für Pharmakologie und Toxikologie, Ludwig-Maximilians-Universität München, Nußbaumstr. 26, 80336, München, Germany
| | - Maria Koufaki
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 11635, Athens, Greece) E-mail: mailto
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10
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Costa NCS, Piccoli JP, Santos-Filho NA, Clementino LC, Fusco-Almeida AM, De Annunzio SR, Fontana CR, Verga JBM, Eto SF, Pizauro-Junior JM, Graminha MAS, Cilli EM. Antimicrobial activity of RP-1 peptide conjugate with ferrocene group. PLoS One 2020; 15:e0228740. [PMID: 32214347 PMCID: PMC7098557 DOI: 10.1371/journal.pone.0228740] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 01/21/2020] [Indexed: 12/20/2022] Open
Abstract
Parasitic diseases are a neglected and serious problem, especially in underdeveloped countries. Among the major parasitic diseases, Leishmaniasis figures as an urgent challenge due to its high incidence and severity. At the same time, the indiscriminate use of antibiotics by the population is increasing together with resistance to medicines. To address this problem, new antibiotic-like molecules that directly kill or inhibit the growth of microorganisms are necessary, where antimicrobial peptides (AMPs) can be of great help. In this work, the ferrocene molecule, one active compound with low levels of in vivo toxicity, was coupled to the N-terminus of the RP1 peptide (derived from the human chemokine CXCL4), aiming to evaluate how this change modifies the structure, biological activity, and toxicity of the peptide. The peptide and the conjugate were synthesized using the solid phase peptide synthesis (SPPS). Circular dichroism assays in PBS showed that the RP1 peptide and its conjugate had a typical spectrum for disordered structures. The Fc-RP1 presented anti-amastigote activity against Leishmania amazonensis (IC50 = 0.25 μmol L–1). In comparison with amphotericin B, a second-line drug approved for leishmaniasis treatment, (IC50 = 0.63 μmol L-1), Fc-RP1 was more active and showed a 2.5-fold higher selectivity index. The RP1 peptide presented a MIC of 4.3 μmol L-1 against S. agalactiae, whilst Fc-RP1 was four times more active (MIC = 0.96 μmol L-1), indicating that ferrocene improved the antimicrobial activity against Gram-positive bacteria. The Fc-RP1 peptide also decreased the minimum inhibitory concentration (MIC) in the assays against E. faecalis (MIC = 7.9 μmol L-1), E. coli (MIC = 3.9 μmol L-1) and S. aureus (MIC = 3.9 μmol L-1). The cytotoxicity of the compounds was tested against HaCaT cells, and no significant activity at the highest concentration tested (500 μg. mL-1) was observed, showing the high potential of this new compound as a possible new drug. The coupling of ferrocene also increased the vesicle permeabilization of the peptide, showing a direct relation between high peptide concentration and high carboxyfluorescein release, which indicates the action mechanism by pore formation on the vesicles. Several studies have shown that ferrocene destabilizes cell membranes through lipid peroxidation, leading to cell lysis. It is noteworthy that the Fc-RP1 peptide synthesized here is a prototype of a bioconjugation strategy, but it still is a compound with great biological activity against neglected and fish diseases.
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Affiliation(s)
- Natalia C. S. Costa
- Department of Biochemistry and Technological Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Julia P. Piccoli
- Department of Biochemistry and Technological Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Norival A. Santos-Filho
- Department of Biochemistry and Technological Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Leandro C. Clementino
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Ana M. Fusco-Almeida
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Sarah R. De Annunzio
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Carla R. Fontana
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Juliane B. M. Verga
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Silas F. Eto
- Faculty of Agrarian and Veterinary Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - João M. Pizauro-Junior
- Faculty of Agrarian and Veterinary Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Marcia A. S. Graminha
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
- * E-mail: (EMC); (MASG)
| | - Eduardo M. Cilli
- Department of Biochemistry and Technological Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
- * E-mail: (EMC); (MASG)
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11
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Ingold M, Colella L, Hernández P, Batthyány C, Tejedor D, Puerta A, García‐Tellado F, Padrón JM, Porcal W, López GV. A Focused Library of NO‐Donor Compounds with Potent Antiproliferative Activity Based on Green Multicomponent Reactions. ChemMedChem 2019; 14:1669-1683. [DOI: 10.1002/cmdc.201900385] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/25/2019] [Indexed: 01/06/2023]
Affiliation(s)
- Mariana Ingold
- Departamento de Química OrgánicaFacultad de QuímicaUniversidad de la República Av. General Flores 2124 11800 Montevideo Uruguay
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
| | - Lucía Colella
- Departamento de Química OrgánicaFacultad de QuímicaUniversidad de la República Av. General Flores 2124 11800 Montevideo Uruguay
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
| | - Paola Hernández
- Laboratorio de Epigenética e Inestabilidad GenómicaInstituto de Investigaciones Biológicas Clemente Estable Av. Italia 3318 11600 Montevideo Uruguay
| | - Carlos Batthyány
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
| | - David Tejedor
- Instituto de Productos Naturales y Agrobiología (IPNA)Consejo Superior de Investigaciones Científicas C/ Astrofísico Francisco Sánchez 3 38206 La Laguna Spain
| | - Adrián Puerta
- BioLab, Instituto Universitario de Bio-Orgánica “Antonio González” (IUBO-AG), Centro de Investigaciones Biomédicas de Canarias (CIBICAN)Universidad de La Laguna C/ Astrofísico Francisco Sánchez 2 38200 La Laguna Spain
| | - Fernando García‐Tellado
- Instituto de Productos Naturales y Agrobiología (IPNA)Consejo Superior de Investigaciones Científicas C/ Astrofísico Francisco Sánchez 3 38206 La Laguna Spain
| | - José M. Padrón
- BioLab, Instituto Universitario de Bio-Orgánica “Antonio González” (IUBO-AG), Centro de Investigaciones Biomédicas de Canarias (CIBICAN)Universidad de La Laguna C/ Astrofísico Francisco Sánchez 2 38200 La Laguna Spain
| | - Williams Porcal
- Departamento de Química OrgánicaFacultad de QuímicaUniversidad de la República Av. General Flores 2124 11800 Montevideo Uruguay
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
| | - Gloria. V. López
- Departamento de Química OrgánicaFacultad de QuímicaUniversidad de la República Av. General Flores 2124 11800 Montevideo Uruguay
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
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12
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Zhilin ES, Fershtat LL, Bystrov DM, Kulikov AS, Dmitrienko AO, Ananyev IV, Makhova NN. Renaissance of 1,2,5-Oxadiazolyl Diazonium Salts: Synthesis and Reactivity. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900622] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Egor S. Zhilin
- N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect, 47 119991 Moscow Russia
| | - Leonid L. Fershtat
- N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect, 47 119991 Moscow Russia
| | - Dmitry M. Bystrov
- N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect, 47 119991 Moscow Russia
| | - Alexander S. Kulikov
- N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect, 47 119991 Moscow Russia
| | - Artem O. Dmitrienko
- A. N. Nesmeyanov Institute of Organoelement Compounds; Russian Academy of Sciences; Vavilova str., 28 119991 Moscow Russia
| | - Ivan V. Ananyev
- A. N. Nesmeyanov Institute of Organoelement Compounds; Russian Academy of Sciences; Vavilova str., 28 119991 Moscow Russia
| | - Nina N. Makhova
- N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect, 47 119991 Moscow Russia
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13
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14
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Clementino LDC, Velásquez AMA, Passalacqua TG, de Almeida L, Graminha MA, Martins GZ, Salgueiro L, Cavaleiro C, Sousa MDC, Moreira RR. In vitro activities of glycoalkaloids from the Solanum lycocarpum against Leishmania infantum. REVISTA BRASILEIRA DE FARMACOGNOSIA 2018. [DOI: 10.1016/j.bjp.2018.07.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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15
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Lopera A, Velásquez A, Clementino L, Robledo S, Montoya A, de Freitas L, Bezzon V, Fontana C, Garcia C, Graminha M. Solution-combustion synthesis of doped TiO 2 compounds and its potential antileishmanial activity mediated by photodynamic therapy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 183:64-74. [DOI: 10.1016/j.jphotobiol.2018.04.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 04/06/2018] [Accepted: 04/11/2018] [Indexed: 11/28/2022]
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16
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Fonseca-Berzal C, Ibáñez-Escribano A, Vela N, Cumella J, Nogal-Ruiz JJ, Escario JA, da Silva PB, Batista MM, Soeiro MDNC, Sifontes-Rodríguez S, Meneses-Marcel A, Gómez-Barrio A, Arán VJ. Antichagasic, Leishmanicidal, and Trichomonacidal Activity of 2-Benzyl-5-nitroindazole-Derived Amines. ChemMedChem 2018; 13:1246-1259. [DOI: 10.1002/cmdc.201800084] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 04/02/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Cristina Fonseca-Berzal
- Departamento de Microbiología y Parasitología, Facultad de Farmacia; Universidad Complutense de Madrid (UCM); Plaza de Ramón y Cajal s/n 28040 Madrid Spain
| | - Alexandra Ibáñez-Escribano
- Departamento de Microbiología y Parasitología, Facultad de Farmacia; Universidad Complutense de Madrid (UCM); Plaza de Ramón y Cajal s/n 28040 Madrid Spain
| | - Nerea Vela
- Instituto de Química Médica (IQM); Consejo Superior de Investigaciones Científicas (CSIC); c/ Juan de la Cierva 3 28006 Madrid Spain
| | - José Cumella
- Instituto de Química Médica (IQM); Consejo Superior de Investigaciones Científicas (CSIC); c/ Juan de la Cierva 3 28006 Madrid Spain
| | - Juan José Nogal-Ruiz
- Departamento de Microbiología y Parasitología, Facultad de Farmacia; Universidad Complutense de Madrid (UCM); Plaza de Ramón y Cajal s/n 28040 Madrid Spain
| | - José Antonio Escario
- Departamento de Microbiología y Parasitología, Facultad de Farmacia; Universidad Complutense de Madrid (UCM); Plaza de Ramón y Cajal s/n 28040 Madrid Spain
| | - Patrícia Bernardino da Silva
- Laboratório de Biologia Celular; Instituto Oswaldo Cruz, Fiocruz; Av. Brasil 4365 21040-900 Rio de Janeiro Brazil
| | - Marcos Meuser Batista
- Laboratório de Biologia Celular; Instituto Oswaldo Cruz, Fiocruz; Av. Brasil 4365 21040-900 Rio de Janeiro Brazil
| | - Maria de Nazaré C. Soeiro
- Laboratório de Biologia Celular; Instituto Oswaldo Cruz, Fiocruz; Av. Brasil 4365 21040-900 Rio de Janeiro Brazil
| | - Sergio Sifontes-Rodríguez
- Centro de Bioactivos Químicos; Universidad Central “Marta Abreu” de Las Villas; Carretera a Camajuaní, km 5 1/2 54830 Santa Clara, Villa Clara Cuba
| | - Alfredo Meneses-Marcel
- Centro de Bioactivos Químicos; Universidad Central “Marta Abreu” de Las Villas; Carretera a Camajuaní, km 5 1/2 54830 Santa Clara, Villa Clara Cuba
| | - Alicia Gómez-Barrio
- Departamento de Microbiología y Parasitología, Facultad de Farmacia; Universidad Complutense de Madrid (UCM); Plaza de Ramón y Cajal s/n 28040 Madrid Spain
| | - Vicente J. Arán
- Instituto de Química Médica (IQM); Consejo Superior de Investigaciones Científicas (CSIC); c/ Juan de la Cierva 3 28006 Madrid Spain
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17
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Horton A, Nash K, Tackie-Yarboi E, Kostrevski A, Novak A, Raghavan A, Tulsulkar J, Alhadidi Q, Wamer N, Langenderfer B, Royster K, Ducharme M, Hagood K, Post M, Shah ZA, Schiefer IT. Furoxans (Oxadiazole-4 N-oxides) with Attenuated Reactivity are Neuroprotective, Cross the Blood Brain Barrier, and Improve Passive Avoidance Memory. J Med Chem 2018; 61:4593-4607. [PMID: 29683322 DOI: 10.1021/acs.jmedchem.8b00389] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Nitric oxide (NO) mimetics and other agents capable of enhancing NO/cGMP signaling have demonstrated efficacy as potential therapies for Alzheimer's disease. A group of thiol-dependent NO mimetics known as furoxans may be designed to exhibit attenuated reactivity to provide slow onset NO effects. The present study describes the design, synthesis, and evaluation of a furoxan library resulting in the identification of a prototype furoxan, 5a, which was profiled for use in the central nervous system. Furoxan 5a demonstrated negligible reactivity toward generic cellular thiols under physiological conditions. Nonetheless, cGMP-dependent neuroprotection was observed, and 5a (20 mg/kg) reversed cholinergic memory deficits in a mouse model of passive avoidance fear memory. Importantly, 5a can be prepared as a pharmaceutically acceptable salt and is observed in the brain 12 h after oral administration, suggesting potential for daily dosing and excellent metabolic stability. Continued investigation into furoxans as attenuated NO mimetics for the CNS is warranted.
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18
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Ingold M, Dapueto R, Victoria S, Galliusi G, Batthyàny C, Bollati-Fogolín M, Tejedor D, García-Tellado F, Padrón JM, Porcal W, López GV. A green multicomponent synthesis of tocopherol analogues with antiproliferative activities. Eur J Med Chem 2018; 143:1888-1902. [DOI: 10.1016/j.ejmech.2017.11.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 10/31/2017] [Accepted: 11/01/2017] [Indexed: 11/16/2022]
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19
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Dos Santos Fernandes GF, de Souza PC, Moreno-Viguri E, Santivañez-Veliz M, Paucar R, Pérez-Silanes S, Chegaev K, Guglielmo S, Lazzarato L, Fruttero R, Man Chin C, da Silva PB, Chorilli M, Solcia MC, Ribeiro CM, Silva CSP, Marino LB, Bosquesi PL, Hunt DM, de Carvalho LPS, de Souza Costa CA, Cho SH, Wang Y, Franzblau SG, Pavan FR, Dos Santos JL. Design, Synthesis, and Characterization of N-Oxide-Containing Heterocycles with in Vivo Sterilizing Antitubercular Activity. J Med Chem 2017; 60:8647-8660. [PMID: 28968083 PMCID: PMC5677254 DOI: 10.1021/acs.jmedchem.7b01332] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
![]()
Tuberculosis,
caused by Mycobacterium tuberculosis (Mtb), is the infectious disease responsible for
the highest number of deaths worldwide. Herein, 22 new N-oxide-containing
compounds were synthesized followed by in vitro and in vivo evaluation of their antitubercular potential against Mtb. Compound 8 was found to be the most promising
compound, with MIC90 values of 1.10 and 6.62 μM against
active and nonreplicating Mtb, respectively. Additionally,
we carried out in vivo experiments to confirm the
safety and efficacy of compound 8; the compound was found
to be orally bioavailable and highly effective, leading to a reduction
of Mtb to undetectable levels in a mouse model of
infection. Microarray-based initial studies on the mechanism of action
suggest that compound 8 blocks translation.
Altogether, these results indicate that benzofuroxan derivative 8 is a promising lead compound for the development of a novel
chemical class of antitubercular drugs.
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Affiliation(s)
- Guilherme Felipe Dos Santos Fernandes
- São Paulo State University (UNESP) , Institute of Chemistry, Araraquara 14800060, Brazil.,São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil.,Universidad de Navarra , Department of Organic and Pharmaceutical Chemistry, Instituto de Salud Tropical, Pamplona 31008, Spain
| | - Paula Carolina de Souza
- São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil.,Institute of Tuberculosis Research, University of Illinois at Chicago , Chicago, Illinois 60607, United States
| | - Elsa Moreno-Viguri
- Universidad de Navarra , Department of Organic and Pharmaceutical Chemistry, Instituto de Salud Tropical, Pamplona 31008, Spain
| | - Mery Santivañez-Veliz
- Universidad de Navarra , Department of Organic and Pharmaceutical Chemistry, Instituto de Salud Tropical, Pamplona 31008, Spain
| | - Rocio Paucar
- Universidad de Navarra , Department of Organic and Pharmaceutical Chemistry, Instituto de Salud Tropical, Pamplona 31008, Spain
| | - Silvia Pérez-Silanes
- Universidad de Navarra , Department of Organic and Pharmaceutical Chemistry, Instituto de Salud Tropical, Pamplona 31008, Spain
| | - Konstantin Chegaev
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino , Turin 10124, Italy
| | - Stefano Guglielmo
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino , Turin 10124, Italy
| | - Loretta Lazzarato
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino , Turin 10124, Italy
| | - Roberta Fruttero
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino , Turin 10124, Italy
| | - Chung Man Chin
- São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil
| | - Patricia Bento da Silva
- São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil
| | - Marlus Chorilli
- São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil
| | - Mariana Cristina Solcia
- São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil
| | - Camila Maríngolo Ribeiro
- São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil
| | - Caio Sander Paiva Silva
- São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil
| | | | | | - Debbie M Hunt
- Mycobacterial Metabolism and Antibiotic Research Laboratory, The Francis Crick Institute , 1 Midland Road, London NW1 1AT, United Kingdom
| | - Luiz Pedro S de Carvalho
- Mycobacterial Metabolism and Antibiotic Research Laboratory, The Francis Crick Institute , 1 Midland Road, London NW1 1AT, United Kingdom
| | | | - Sang Hyun Cho
- Institute of Tuberculosis Research, University of Illinois at Chicago , Chicago, Illinois 60607, United States
| | - Yuehong Wang
- Institute of Tuberculosis Research, University of Illinois at Chicago , Chicago, Illinois 60607, United States
| | - Scott Gary Franzblau
- Institute of Tuberculosis Research, University of Illinois at Chicago , Chicago, Illinois 60607, United States
| | - Fernando Rogério Pavan
- São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil
| | - Jean Leandro Dos Santos
- São Paulo State University (UNESP) , Institute of Chemistry, Araraquara 14800060, Brazil.,São Paulo State University (UNESP) , School of Pharmaceutical Sciences, Araraquara 14800903, Brazil
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20
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Zhang H, Kunadia A, Lin Y, Fondell JD, Seidel D, Fan H. Identification of a strong and specific antichlamydial N-acylhydrazone. PLoS One 2017; 12:e0185783. [PMID: 28973037 PMCID: PMC5626472 DOI: 10.1371/journal.pone.0185783] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 09/19/2017] [Indexed: 12/02/2022] Open
Abstract
Sexually transmitted Chlamydia trachomatis is an extremely common infection and often leads to serious complications including infertility and pelvic inflammatory syndrome. Several broad-spectrum antibiotics are currently used to treat C. trachomatis. Although effective, they also kill beneficial vaginal lactobacilli. Two N-acylhydrazones, CF0001 and CF0002, have been shown previously to inhibit chlamydial growth without toxicity to human cells and Lactobacillus spp. Of particular significance, the rate of random mutation leading to resistance of these inhibitors appears to be extremely low. Here, we report three analogs of CF0001 and CF0002 with significantly stronger inhibitory effects on chlamydiae. Even though the new compounds (termed SF1, SF2 and SF3) displayed slightly decreased inhibition efficiencies for a rare Chlamydia variant selected for CF0001 resistance (Chlamydia muridarum MCR), they completely overcame the resistance when used at concentrations of 75–100 μM. Importantly, SF1, SF2 and SF3 did not shown any toxic effect on lactobacilli, whereas SF3 was also well tolerated by human host cells. An effort to isolate SF3-resistant variants was unsuccessful. By comparison, variants resistant to rifampin or spectinomycin were obtained from smaller numbers of chlamydiae. Our findings suggest that SF3 utilizes an antichlamydial mechanism similar to that of CF0001 and CF0002, and will be more difficult for chlamydiae to develop resistance to, potentially making it a more effective antichlamydial agent.
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Affiliation(s)
- Huirong Zhang
- Department of Pharmacology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, New Jersey, United States of America
| | - Anuj Kunadia
- Department of Chemistry and Chemical Biology, School of Arts and Sciences, Rutgers, The State University of New Jersey, Piscataway, New Jersey, United States of America
| | - Yingfu Lin
- Department of Chemistry and Chemical Biology, School of Arts and Sciences, Rutgers, The State University of New Jersey, Piscataway, New Jersey, United States of America
| | - Joseph D. Fondell
- Department of Pharmacology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, New Jersey, United States of America
| | - Daniel Seidel
- Department of Chemistry and Chemical Biology, School of Arts and Sciences, Rutgers, The State University of New Jersey, Piscataway, New Jersey, United States of America
- * E-mail: (DS); (HF)
| | - Huizhou Fan
- Department of Pharmacology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, New Jersey, United States of America
- * E-mail: (DS); (HF)
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de Almeida L, Passalacqua TG, Dutra LA, Fonseca JNVD, Nascimento RFQ, Imamura KB, de Andrade CR, Dos Santos JL, Graminha MAS. In vivo antileishmanial activity and histopathological evaluation in Leishmania infantum infected hamsters after treatment with a furoxan derivative. Biomed Pharmacother 2017; 95:536-547. [PMID: 28866421 DOI: 10.1016/j.biopha.2017.08.096] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 08/17/2017] [Accepted: 08/23/2017] [Indexed: 10/18/2022] Open
Abstract
N-oxide derivatives compounds such as furoxan and benzofuroxan are promising scaffolds for designing of new antileishmanial drugs. A series of furoxan (1,2,5-oxadiazole 2-N-oxide) (compounds 4a-b, and 14a-f) and benzofuroxan (benzo[c][1,2,5]oxadiazole1-N-oxide) (compounds 8a-c) derivatives were evaluated against in vitro cultured L. infantum promastigotes and amastigotes. The compounds exhibited activity against promastigote and intracellular amastigote forms with EC50 values ranging from 2.9 to 71.2μM and 2.1 to 18.2μM, respectively. The most promising compound, 14e, showed good antileishmanial activity (EC50=3.1μM) against intracellular amastigote forms of L. infantum with a selectivity index, based on murine macrophages (SI=66.4), almost 3-times superior to that presented by the standard drug amphotericin B (AmpB). The efficacy of 14e to eliminate the parasites in vivo was also demonstrated. Treatment of L. infantum-infected hamsters with compound 14e at 3.0mg/Kg/day led to a meaningful reduction of parasite load in spleen (49.9%) and liver (54.2%), respectively; these data were corroborated by histopathological analysis, which also revealed reduction in the number of inflammatory cells in the liver of the treated animals. Moreover, histological analysis of the spleen and kidney of treated animals did not reveal alterations suggestive of toxic effects. The parasite load reduction might be related to NO production, since this molecule is a NO-donor. We observed neither side effects nor elevation of hepatic/renal biomarker levels in the plasma. The data herein presented suggest that the compound should be considered in the development of new drugs for treatment of visceral leishmaniasis.
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Affiliation(s)
- Letícia de Almeida
- Universidade Estadual Paulista (UNESP), Faculdade de Ciências Farmacêuticas, Câmpus Araraquara, Brazil
| | - Thaís Gaban Passalacqua
- Universidade Estadual Paulista (UNESP), Faculdade de Ciências Farmacêuticas, Câmpus Araraquara, Brazil
| | - Luiz Antonio Dutra
- Universidade Estadual Paulista (UNESP), Faculdade de Ciências Farmacêuticas, Câmpus Araraquara, Brazil
| | | | | | - Kely Braga Imamura
- Universidade Estadual Paulista (UNESP), Faculdade de Ciências Farmacêuticas, Câmpus Araraquara, Brazil
| | | | - Jean Leandro Dos Santos
- Universidade Estadual Paulista (UNESP), Faculdade de Ciências Farmacêuticas, Câmpus Araraquara, Brazil
| | - Márcia A S Graminha
- Universidade Estadual Paulista (UNESP), Faculdade de Ciências Farmacêuticas, Câmpus Araraquara, Brazil.
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Romero AH, López SE. In silico molecular docking studies of new potential 4-phthalazinyl-hydrazones on selected Trypanosoma cruzi and Leishmania enzyme targets. J Mol Graph Model 2017; 76:313-329. [DOI: 10.1016/j.jmgm.2017.07.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 07/13/2017] [Accepted: 07/14/2017] [Indexed: 01/19/2023]
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Platonia insignis Mart., a Brazilian Amazonian Plant: The Stem Barks Extract and Its Main Constituent Lupeol Exert Antileishmanial Effects Involving Macrophages Activation. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:3126458. [PMID: 28852412 PMCID: PMC5567447 DOI: 10.1155/2017/3126458] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 06/14/2017] [Accepted: 07/10/2017] [Indexed: 12/04/2022]
Abstract
Platonia insignis Mart., popularly known as “bacurizeiro,” is used in traditional medical practices based on its diverse biological properties. This study was aimed at evaluating the antileishmanial effects of the ethanol extract (EtOH-Ext), hexane fraction (Hex-F), and its main isolated Lupeol obtained from stem barks of P. insignis against Leishmania (Leishmania) amazonensis, as well as their cytotoxicity and possible mechanisms of action. The EtOH-Ext, Hex-F, and Lupeol inhibited the growth of L. amazonensis promastigote forms at IC50 of 174.24, 45.23, and 39.06 µg/mL, respectively, as well as L. amazonensis axenic amastigote forms at IC50 of 40.58, 35.87, and 44.10 µg/mL, respectively. The mean cytotoxic concentrations for macrophages (CC50) were higher than those for amastigotes (341.95, 71.65, and 144.0 µg/mL, resp.), indicating a selective cytotoxicity towards the parasite rather than the macrophages. Interestingly, all treatments promoted antileishmanial effect against macrophage-internalized amastigotes at concentrations lower than CC50. Furthermore, increases of lysosomal volume of macrophages treated with EtOH-Ext, Hex-F, and Lupeol were observed. On the other hand, only Lupeol stimulated increase of phagocytic capability of macrophages, suggesting this compound might be characterized as the biomarker for the antileishmanial effect of P. insignis stem bark, as well as the involvement of immunomodulatory mechanisms in this effect.
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Velásquez AMA, Ribeiro WC, Venn V, Castelli S, Camargo MSD, de Assis RP, de Souza RA, Ribeiro AR, Passalacqua TG, da Rosa JA, Baviera AM, Mauro AE, Desideri A, Almeida-Amaral EE, Graminha MAS. Efficacy of a Binuclear Cyclopalladated Compound Therapy for Cutaneous Leishmaniasis in the Murine Model of Infection with Leishmania amazonensis and Its Inhibitory Effect on Topoisomerase 1B. Antimicrob Agents Chemother 2017; 61:e00688-17. [PMID: 28507113 PMCID: PMC5527659 DOI: 10.1128/aac.00688-17] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 05/02/2017] [Indexed: 12/29/2022] Open
Abstract
Leishmaniasis is a disease found throughout the (sub)tropical parts of the world caused by protozoan parasites of the Leishmania genus. Despite the numerous problems associated with existing treatments, pharmaceutical companies continue to neglect the development of better ones. The high toxicity of current drugs combined with emerging resistance makes the discovery of new therapeutic alternatives urgent. We report here the evaluation of a binuclear cyclopalladated complex containing Pd(II) and N,N'-dimethylbenzylamine (Hdmba) against Leishmania amazonensis The compound [Pd(dmba)(μ-N3)]2 (CP2) inhibits promastigote growth (50% inhibitory concentration [IC50] = 13.2 ± 0.7 μM) and decreases the proliferation of intracellular amastigotes in in vitro incubated macrophages (IC50 = 10.2 ± 2.2 μM) without a cytotoxic effect when tested against peritoneal macrophages (50% cytotoxic concentration = 506.0 ± 10.7 μM). In addition, CP2 was also active against T. cruzi intracellular amastigotes (IC50 = 2.3 ± 0.5 μM, selective index = 225), an indication of its potential for use in Chagas disease therapy. In vivo assays using L. amazonensis-infected BALB/c showed an 80% reduction in parasite load compared to infected and nontreated animals. Also, compared to amphotericin B treatment, CP2 did not show any side effects, which was corroborated by the analysis of plasma levels of different hepatic and renal biomarkers. Furthermore, CP2 was able to inhibit Leishmania donovani topoisomerase 1B (Ldtopo1B), a potentially important target in this parasite. (This study has been registered at ClinicalTrials.gov under identifier NCT02169141.).
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Affiliation(s)
- Angela Maria Arenas Velásquez
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
- São Paulo State University (UNESP), Institute of Chemistry, Araraquara, Brazil
| | - Willian Campos Ribeiro
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
| | - Vutey Venn
- University of Rome, Tor Vergata, Rome, Italy
| | | | | | - Renata Pires de Assis
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
| | | | | | - Thaís Gaban Passalacqua
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
- São Paulo State University (UNESP), Institute of Chemistry, Araraquara, Brazil
| | - João Aristeu da Rosa
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
| | - Amanda Martins Baviera
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
| | | | | | | | - Marcia A S Graminha
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil
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Serafim RAM, Pernichelle FG, Ferreira EI. The latest advances in the discovery of nitric oxide hybrid drug compounds. Expert Opin Drug Discov 2017; 12:941-953. [PMID: 28664751 DOI: 10.1080/17460441.2017.1344400] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
INTRODUCTION There is a great interest in Nitric oxide (NO) within medicinal chemistry since it's involved in human signaling pathways. Prodrugs or hybrid compounds containing NO-donor scaffolds linked to an active compound are valuable, due to their potential for modulating many pathological conditions due to NO's biological properties when released in addition to the native drug. Compounds that selectively inhibit nitric oxide synthase isoforms (NOS) can also increase therapeutic capacity, particularly in the treatment of chronic diseases. However, search for bioactive compounds to efficiently and selectively modulate NO is still a challenge in drug discovery. Areas covered: In this review, the authors highlight the recent advances in the strategies used to discover NO-hybrid derivatives, especially those related to anti-inflammatory, cardiovascular, anticancer and anti-microorganism activities. They also focus on: nitric oxide synthase inhibitors, NO delivery materials and other related activities. Expert opinion: The process of molecular hybridization can be used to obtain NO-releasing compounds that also interact with different targets. The main problem with this approach is to control NO multiple actions in the right biological system. However, the use of NO-releasing groups with many different scaffolds leads to new molecular structures for bioactive compounds, suggesting synergies.
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Affiliation(s)
- Ricardo A M Serafim
- a LAPEN: Laboratory of Design and Synthesis of Chemotherapeutic Potentially Active against Neglected Diseases, Department of Pharmacy, Faculty of Pharmaceutical Sciences , University of São Paulo - FCF/USP , São Paulo , Brazil
| | - Filipe G Pernichelle
- a LAPEN: Laboratory of Design and Synthesis of Chemotherapeutic Potentially Active against Neglected Diseases, Department of Pharmacy, Faculty of Pharmaceutical Sciences , University of São Paulo - FCF/USP , São Paulo , Brazil
| | - Elizabeth I Ferreira
- a LAPEN: Laboratory of Design and Synthesis of Chemotherapeutic Potentially Active against Neglected Diseases, Department of Pharmacy, Faculty of Pharmaceutical Sciences , University of São Paulo - FCF/USP , São Paulo , Brazil
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Fershtat LL, Makhova NN. Molecular Hybridization Tools in the Development of Furoxan-Based NO-Donor Prodrugs. ChemMedChem 2017; 12:622-638. [DOI: 10.1002/cmdc.201700113] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 03/27/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Leonid L. Fershtat
- N. D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prosp. 47 Moscow 119991 Russian Federation
| | - Nina N. Makhova
- N. D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prosp. 47 Moscow 119991 Russian Federation
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Dutra LA, Guanaes JFO, Johmann N, Lopes Pires ME, Chin CM, Marcondes S, Dos Santos JL. Synthesis, antiplatelet and antithrombotic activities of resveratrol derivatives with NO-donor properties. Bioorg Med Chem Lett 2017; 27:2450-2453. [PMID: 28400236 DOI: 10.1016/j.bmcl.2017.04.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 03/31/2017] [Accepted: 04/01/2017] [Indexed: 11/26/2022]
Abstract
Resveratrol (RVT) is a stilbene with a protective effect on the cardiovascular system; however, drawbacks including low bioavailability and fast metabolism limit its efficacy. In this work we described new resveratrol derivatives with nitric oxide (NO) release properties, ability to inhibit platelet aggregation and in vivo antithrombotic effect. Compounds (4a-f) were able to release NO in vitro, at levels ranging from 24.1% to 27.4%. All compounds (2a-f and 4a-f) have exhibited platelet aggregation inhibition using as agonists ADP, collagen and arachidonic acid. The most active compound (4f) showed reduced bleeding time compared to acetylsalicylic acid (ASA) and protected up to 80% against in vivo thromboembolic events. These findings suggest that hybrid resveratrol-furoxan (4f) is a novel lead compound able to prevent platelet aggregation and thromboembolic events.
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Affiliation(s)
- Luiz Antonio Dutra
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, São Paulo, Brazil.
| | | | - Nadine Johmann
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, São Paulo, Brazil
| | | | - Chung Man Chin
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, São Paulo, Brazil
| | - Sisi Marcondes
- University of Campinas (Unicamp), Faculty of Medical Science, Campinas, SP, Brazil
| | - Jean Leandro Dos Santos
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, São Paulo, Brazil.
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Construction of Two mCherry Plasmids (pXG-mCherry) for Transgenic Leishmania: Valuable Tools for Future Molecular Analysis. J Parasitol Res 2017; 2017:1964531. [PMID: 28286673 PMCID: PMC5327783 DOI: 10.1155/2017/1964531] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2016] [Revised: 12/12/2016] [Accepted: 12/27/2016] [Indexed: 11/18/2022] Open
Abstract
Leishmania is the causative agent of leishmaniasis, a neglected tropical disease that affects more than 12 million people around the world. Current treatments are toxic and poorly effective due to the acquisition of resistance within Leishmania populations. Thus, the pursuit for new antileishmanial drugs is a priority. The available methods for drug screening based on colorimetric assays using vital dyes are time-consuming. Currently, the use of fluorescent reporter proteins is replacing the use of viability indicator dyes. We have constructed two plasmids expressing the red fluorescent protein mCherry with multiple cloning sites (MCS), adequate for N- and C-terminal fusion protein constructs. Our results also show that the improved pXG-mCherry plasmid can be employed for drug screening in vitro. The use of the red fluorescent protein, mCherry, is an easier tool for numerous assays, not only to test pharmacological compounds, but also to determine the subcellular localization of proteins.
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dos Santos Fernandes GF, Moreno-Viguri E, Santivañez-Veliz M, Paucar R, Chin CM, Pérez-Silanes S, dos Santos JL. A Comparative Study of Conventional and Microwave-Assisted Synthesis of Quinoxaline 1,4-di-N-oxideN-acylhydrazones Derivatives Designed as Antitubercular Drug Candidates. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2830] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Guilherme Felipe dos Santos Fernandes
- Institute of Chemistry; UNESP-Univ Estadual Paulista; Araraquara 14800060 Brazil
- School of Pharmaceutical Sciences; UNESP-Univ Estadual Paulista; Araraquara 14800903 Brazil
- Department of Organic and Pharmaceutical Chemistry; Universidad de Navarra; Pamplona 31008 Spain
| | - Elsa Moreno-Viguri
- Department of Organic and Pharmaceutical Chemistry; Universidad de Navarra; Pamplona 31008 Spain
| | - Mery Santivañez-Veliz
- Department of Organic and Pharmaceutical Chemistry; Universidad de Navarra; Pamplona 31008 Spain
| | - Rocio Paucar
- Department of Organic and Pharmaceutical Chemistry; Universidad de Navarra; Pamplona 31008 Spain
| | - Chung Man Chin
- School of Pharmaceutical Sciences; UNESP-Univ Estadual Paulista; Araraquara 14800903 Brazil
| | - Silvia Pérez-Silanes
- Department of Organic and Pharmaceutical Chemistry; Universidad de Navarra; Pamplona 31008 Spain
| | - Jean Leandro dos Santos
- Institute of Chemistry; UNESP-Univ Estadual Paulista; Araraquara 14800060 Brazil
- School of Pharmaceutical Sciences; UNESP-Univ Estadual Paulista; Araraquara 14800903 Brazil
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Navasconi TR, Dos Reis VN, Freitas CF, Pereira PCDS, Caetano W, Hioka N, Lonardoni MVC, Aristides SMA, Silveira TGV. Photodynamic Therapy With Bengal Rose and Derivatives Against Leishmania amazonensis. J Lasers Med Sci 2017; 8:46-50. [PMID: 28912944 DOI: 10.15171/jlms.2017.09] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Introduction: The treatment of cutaneous leishmaniasis (CL) is based primarily on the use of pentavalent antimonials, which may lead to many side effects limiting their use. Photodynamic therapy (PDT) is an alternative for the treatment of CL, and some xanthene dyes have the potential for use in PDT. Methods: The xanthenes rose bengal B (RB) and its derivatives rose bengal methyl ester (RBMET), and butyl ester (RBBUT) were analyzed for leishmanicidal activity against promastigotes and intracellular amastigotes of Leishmania amazonensis. Cytotoxicity was assessed in J774.A1 macrophages. Results: RB derivates RBMET (IC50 9.83 μM), and RBBUT (IC50 45.08 μM) showed leishmanicidal activity, however, were toxic to J774.A1 macrophages, resulting in low selectivity index. Conclusion: The RBMET and RBBUT showed to be effective against the L. amazonensis and the low selectivity index presented may not be a limitation for their use in PDT to CL treatment.
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Affiliation(s)
- Taisa Rocha Navasconi
- Graduate Program in Health Sciences, Universidade Estadual de Maringá, Maringá, Brazil
| | - Vanessa Nesi Dos Reis
- Graduate Program in Health Sciences, Universidade Estadual de Maringá, Maringá, Brazil
| | | | | | - Wilker Caetano
- Department of Chemistry, Universidade Estadual de Maringá, Maringá, Brazil
| | - Noboru Hioka
- Department of Chemistry, Universidade Estadual de Maringá, Maringá, Brazil
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Fernandes GFDS, de Souza PC, Marino LB, Chegaev K, Guglielmo S, Lazzarato L, Fruttero R, Chung MC, Pavan FR, Dos Santos JL. Synthesis and biological activity of furoxan derivatives against Mycobacterium tuberculosis. Eur J Med Chem 2016; 123:523-531. [PMID: 27508879 DOI: 10.1016/j.ejmech.2016.07.039] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Revised: 06/16/2016] [Accepted: 07/19/2016] [Indexed: 12/21/2022]
Abstract
Tuberculosis (TB) remains a serious health problem responsible to cause millions of deaths annually. The scenario becomes alarming when it is evaluated that the number of new drugs does not increase proportionally to the emergence of resistance to the current therapy. Furoxan derivatives, known as nitric oxide (NO) donors, have been described to exhibit antitubercular activity. Herein, a novel series of hybrid furoxan derivatives (1,2,5-oxadiazole 2-N-oxide) (compounds 4a-c, 8a-c and 14a-c) were designed, synthesized and evaluated in vitro against Mycobacterium tuberculosis (MTB) H37Rv (ATCC 27294) and a clinical isolate MDR-TB strain. The furoxan derivatives have exhibited MIC90 values ranging from 1.03 to 62 μM (H37Rv) and 7.0-50.0 μM (MDR-TB). For the most active compounds (8c, 14a, 14b and 14c) the selectivity index ranged from 3.78 to 52.74 (MRC-5 cells) and 1.25-34.78 (J774A.1 cells). In addition, it was characterized for those compounds logPo/w values between 2.1 and 2.9. All compounds were able to release NO at levels ranging from 0.16 to 44.23%. Among the series, the phenylsulfonyl furoxan derivatives (compounds 14a-c) were the best NO-donor with the lowest MIC90 values. The most active compound (14c) was also stable at different pHs (5.0 and 7.4). In conclusion, furoxan derivatives were identified as new promising compounds useful to treat tuberculosis.
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Affiliation(s)
| | - Paula Carolina de Souza
- School of Pharmaceutical Sciences, UNESP - Univ Estadual Paulista, Araraquara, 14800903, Brazil
| | | | - Konstantin Chegaev
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Turin, 10124, Italy
| | - Stefano Guglielmo
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Turin, 10124, Italy
| | - Loretta Lazzarato
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Turin, 10124, Italy
| | - Roberta Fruttero
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Turin, 10124, Italy
| | - Man Chin Chung
- School of Pharmaceutical Sciences, UNESP - Univ Estadual Paulista, Araraquara, 14800903, Brazil
| | - Fernando Rogério Pavan
- School of Pharmaceutical Sciences, UNESP - Univ Estadual Paulista, Araraquara, 14800903, Brazil
| | - Jean Leandro Dos Santos
- School of Pharmaceutical Sciences, UNESP - Univ Estadual Paulista, Araraquara, 14800903, Brazil.
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Rodrigues KADF, Dias CNDS, Néris PLDN, Rocha JDC, Scotti MT, Scotti L, Mascarenhas SR, Veras RC, Medeiros IAD, Keesen TDSL, Oliveira TBD, Lima MDCAD, Balliano TL, Aquino TMD, Moura ROD, Mendonça Junior FJB, Oliveira MRD. 2-Amino-thiophene derivatives present antileishmanial activity mediated by apoptosis and immunomodulation in vitro. Eur J Med Chem 2015; 106:1-14. [DOI: 10.1016/j.ejmech.2015.10.011] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 09/28/2015] [Accepted: 10/06/2015] [Indexed: 11/25/2022]
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Synthesis and Preliminary Evaluation of N-Oxide Derivatives for the Prevention of Atherothrombotic Events. Molecules 2015; 20:18185-200. [PMID: 26457696 PMCID: PMC6332090 DOI: 10.3390/molecules201018185] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Revised: 09/05/2015] [Accepted: 09/15/2015] [Indexed: 01/20/2023] Open
Abstract
Thrombosis is the main outcome of many cardiovascular diseases. Current treatments to prevent thrombotic events involve the long-term use of antiplatelet drugs. However, this therapy has several limitations, thereby justifying the development of new drugs. A series of N-oxide derivatives (furoxan and benzofuroxan) were synthesized and characterized as potential antiplatelet/antithrombotic compounds. All compounds (3a,b, 4a,b, 8a,b, 9a,b, 13a,b and 14a,b) inhibited platelet aggregation induced by adenosine-5-diphosphate, collagen, and arachidonic acid. All compounds protected mice from pulmonary thromboembolism induced by a mixture of collagen and epinephrine; however, benzofuroxan derivatives (13a,b and 14a,b) were the most active compounds, reducing thromboembolic events by up to 80%. N-oxide derivative 14a did not induce genotoxicity in vivo. In conclusion, 14a has emerged as a new antiplatelet/antithrombotic prototype useful for the prevention of atherothrombotic events.
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