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Costa Souza RM, Montenegro Pimentel LML, Ferreira LKM, Pereira VRA, Santos ACDS, Dantas WM, Silva CJO, De Medeiros Brito RM, Andrade JL, De Andrade-Neto VF, Fujiwara RT, Bueno LL, Silva Junior VA, Pena L, Camara CA, Rathi B, De Oliveira RN. Biological activity of 1,2,3-triazole-2-amino-1,4-naphthoquinone derivatives and their evaluation as therapeutic strategy for malaria control. Eur J Med Chem 2023; 255:115400. [PMID: 37130472 DOI: 10.1016/j.ejmech.2023.115400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/30/2023] [Accepted: 04/18/2023] [Indexed: 05/04/2023]
Abstract
Malaria can be caused by several Plasmodium species and the development of an effective vaccine is challenging. Currently, the most effective tool to control the disease is the administration of specific chemotherapy; however, resistance to the frontline antimalarials is one of the major problems in malaria control and thus the development of new drugs becomes urgent. The study presented here sought to evaluate the antimalarial activities of compounds derived from 2-amino-1,4-naphthoquinones containing 1,2,3-triazole using in vivo and in vitro models. 1H-1,2,3-Triazole 2-amino-1,4-naphthoquinone derivatives were synthesized and evaluated for antimalarial activity in vitro, using P. falciparum W2 chloroquine (CQ) resistant strain and in vivo using the murine-P. berghei ANKA strain. Acute toxicity was determined as established by the OECD (2001). Cytotoxicity was evaluated against HepG2 and Vero mammalian cell lines. Transmission electron microscopy of the Plasmodium falciparum trophozoite (early and late stages) was used to evaluate the action of compounds derived at ultra-structural level. The compounds displayed low cytotoxicity CC50 > 100 μM, neither did they cause hemolysis at the tested doses and nor the signs of toxicity in the in vivo acute toxicity test. Among the five compounds tested, one showed IC50 values in submicromolar range of 0.8 μM. Compounds 7, 8 and 11 showed IC50 values < 5 μM, and selectivity index (SI) ranging from 6.8 to 343 for HepG2, and from 13.7 to 494.8 for Vero cells. Compounds 8 and 11 were partially active against P. berghei induced parasitemia in vivo. Analysis of the ultrastructural changes associated with the treatment of these two compounds, showed trophozoites with completely degraded cytoplasm, loss of membrane integrity, organelles in the decomposition stage and possible food vacuole deterioration. Our results indicated that compounds 8 and 11 may be considered hit molecules for antimalarial drug discovery platform and deserve further optimization studies.
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Affiliation(s)
- Renata Maria Costa Souza
- Department of Immunology, Laboratory of Immunoepidemiology of Aggeu Magalhães Institute, Fiocruz-PE, Recife, Pernambuco, Brazil; Department of Chemistry, Laboratory of Synthesis of Bioactive Compounds, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil
| | | | | | - Valéria Rêgo Alves Pereira
- Department of Immunology, Laboratory of Immunoparasitology, Aggeu Magalhães Institute, Fiocruz-PE, Recife, Pernambuco, Brazil
| | - Aline Caroline Da Silva Santos
- Department of Immunology, Laboratory of Immunoparasitology, Aggeu Magalhães Institute, Fiocruz-PE, Recife, Pernambuco, Brazil
| | - Willyenne Marília Dantas
- Department of Virology and Experimental Therapy Aggeu Magalhães Institute - Fiocruz-PE, Recife, Pernambuco, Brazil; Department of Chemistry, Laboratory of Synthesis of Bioactive Compounds, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil
| | - Carla Jasmine Oliveira Silva
- Department of Chemistry, Laboratory of Synthesis of Bioactive Compounds, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil
| | - Ramayana Morais De Medeiros Brito
- Department of Microbiology and Parasitology, Laboratory of Malaria and Toxoplasmosis Biology, LaBMAT/DMP/CB, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil; Department of Parasitology, Laboratory of Immunobiology and Parasites Control, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - José Lucas Andrade
- Department of Microbiology and Parasitology, Laboratory of Malaria and Toxoplasmosis Biology, LaBMAT/DMP/CB, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Valter Ferreira De Andrade-Neto
- Department of Microbiology and Parasitology, Laboratory of Malaria and Toxoplasmosis Biology, LaBMAT/DMP/CB, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Ricardo Toshio Fujiwara
- Department of Parasitology, Laboratory of Immunobiology and Parasites Control, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Lilian Lacerda Bueno
- Department of Parasitology, Laboratory of Immunobiology and Parasites Control, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Lindomar Pena
- Department of Virology and Experimental Therapy Aggeu Magalhães Institute - Fiocruz-PE, Recife, Pernambuco, Brazil
| | - Celso Amorim Camara
- Department of Chemistry, Laboratory of Synthesis of Bioactive Compounds, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil
| | - Brijesh Rathi
- Laboratory for Translational Chemistry and Drug Discovery, Department of Chemistry, Hansraj College, University of Delhi, Delhi, 110007, India
| | - Ronaldo Nascimento De Oliveira
- Department of Chemistry, Laboratory of Synthesis of Bioactive Compounds, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil.
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2
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Meira RDMV, Gomes SLDS, Schaeffer E, Da Silva T, Brito ACDS, Siqueira LM, Inácio JD, Almeida-Amaral EE, Da-Cruz AM, Bezerra-Paiva M, Neves RH, Rodrigues LS, Dutra PML, Costa PRR, da Silva AJM, Da-Silva SAG. Low doses of 3-phenyl-lawsone or meglumine antimoniate delivery by tattooing route are successful in reducing parasite load in cutaneous lesions of Leishmania ( Viannia) braziliensis-infected hamsters. Front Cell Infect Microbiol 2023; 13:1025359. [PMID: 36743305 PMCID: PMC9892647 DOI: 10.3389/fcimb.2023.1025359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 01/02/2023] [Indexed: 01/20/2023] Open
Abstract
Current therapeutic ways adopted for the treatment of leishmaniasis are toxic and expensive including parasite resistance is a growing problem. Given this scenario, it is urgent to explore treatment alternatives for leishmaniasis. The aim of this study was to evaluate the effect of 3-phenyl-lawsone (3-PL) naphthoquinone on Leishmania (Viannia) braziliensis infection, both in vitro and in vivo, using two local routes of administration: subcutaneous (higher dose) and tattoo (lower dose). In vitro 3-PL showed low toxicity for macrophages (CC50 >3200 µM/48h) and activity against intracellular amastigotes (IC50 = 193 ± 19 µM/48h) and promastigotes (IC50 = 116 ± 26 µM/72h), in which induced increased ROS generation. Additionally, 3-PL up-regulated the production of cytokines such as tumor necrosis factor alpha (TNF-α), monocyte chemotactic protein 1 (MCP-1), interleukin-6 (IL-6) and IL-10 in infected macrophages. However, the anti-amastigote action was independent of nitric oxide production. Treatment of hamsters infected with L. (V.) braziliensis from one week after infection with 3-PL by subcutaneous (25 µg/Kg) or tattooing (2.5 µg/Kg) route, during 3 weeks (3 times/week) or 2 weeks (2 times/week) significantly decreased the parasite load (p<0.001) in the lesion. The reduction of parasite load by 3-PL treatment was comparable to reference drug meglumine antimoniate administered by the same routes (subcutaneous 1mg/Kg and tattoo 0.1mg/Kg). In addition, treatment started from five weeks after infection with 3-PL per tattoo also decreased the parasite load. These results show the anti-leishmanial effect of 3-PL against L. (V.) braziliensis and its efficacy by subcutaneous (higher dose) and tattoo (lower dose) routes. In addition, this study shows that drug delivery by tattooing the lesion allows the use of lower doses than the conventional subcutaneous route, which may support the development of a new therapeutic strategy that can be adopted for leishmaniasis.
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Affiliation(s)
| | - Sara Lins da Silva Gomes
- Laboratório de Catálise Orgânica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Edgar Schaeffer
- Laboratório de Catálise Orgânica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Thayssa Da Silva
- Laboratório de Imunofarmacologia Parasitária, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Larissa Moreira Siqueira
- Laboratório de Imunofarmacologia Parasitária, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Job Domingos Inácio
- Laboratório de Bioquímica de Tripanosomatídeos, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | | | - Alda Maria Da-Cruz
- Disciplina de Parasitologia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil,Laboratório Interdisciplinar de Pesquisas Médicas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Milla Bezerra-Paiva
- Laboratório Interdisciplinar de Pesquisas Médicas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Renata Heisler Neves
- Laboratório de Helmintologia Romero Lascasas Porto, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luciana Silva Rodrigues
- Laboratório de Imunopatologia, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | | | - Silvia Amaral Gonçalves Da-Silva
- Laboratório de Imunofarmacologia Parasitária, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil,*Correspondence: Silvia Amaral Gonçalves Da-Silva,
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3
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Wang W, Chang CT, Zhang Q. 1,4‐Naphthoquinone Analogs and Their Application as Antibacterial Agents. ChemistrySelect 2022. [DOI: 10.1002/slct.202203330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Weiding Wang
- Department of Chemistry Xi'an Jiaotong-Liverpool University No. 111 Ren Ai Road Suzhou 215123 China
| | - Cheng‐Wei Tom Chang
- Department of Chemistry and Biochemistry Utah State University, 0300 Old Main Hill Logan Utah 84322-0300 United States
| | - Qian Zhang
- Department of Chemistry Xi'an Jiaotong-Liverpool University No. 111 Ren Ai Road Suzhou 215123 China
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Faúndes J, Muñoz-Osses M, Morales P, Tasca F, Loyola CZ, Faúndez M, Mascayano C, Ibacache JA. Effect of substituents and chain length in amino-1,4-naphthoquinones on glutathione-S-transferase inhibition: molecular docking and electrochemical perspectives: a structure–activity study. NEW J CHEM 2022. [DOI: 10.1039/d2nj04079d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The highlights of structure–activity relationship in GST inhibition.
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Affiliation(s)
- Judith Faúndes
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Sucursal Matucana, Santiago, 9170022, Chile
| | - Michelle Muñoz-Osses
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Sucursal Matucana, Santiago, 9170022, Chile
| | - Pilar Morales
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Sucursal Matucana, Santiago, 9170022, Chile
| | - Federico Tasca
- Departamento de Química de Los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Sucursal Matucana, Santiago, 9170022, Chile
| | - César Zúñiga Loyola
- Departamento de Química de Los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Sucursal Matucana, Santiago, 9170022, Chile
| | - Mario Faúndez
- Pontificia Universidad Católica de Chile, Facultad de Química, Departamento de Farmacia, Laboratorio de Toxicología, Vicuña Mackenna 4860, 7820436, Macul, Santiago, Chile
| | - Carolina Mascayano
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Sucursal Matucana, Santiago, 9170022, Chile
| | - Juana A. Ibacache
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Sucursal Matucana, Santiago, 9170022, Chile
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5
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Cysticidal effect of a pure naphthoquinone on Taenia crassiceps cysticerci. Parasitol Res 2021; 120:3783-3794. [PMID: 34549347 DOI: 10.1007/s00436-021-07281-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 08/05/2021] [Indexed: 10/20/2022]
Abstract
Cysticercosis is a disease caused by the metacestode of the parasite Taenia solium (T. solium). In humans, the most severe complication of the disease is neurocysticercosis. The drug of choice to treat this disease is albendazole; however, the bioavailability and efficacy of the drug are variable. Therefore, new molecules with therapeutic effects against this and other parasitic infections caused by helminths must be developed. Naphthoquinones are naphthalene-derived compounds that possess antibacterial, antifungal, antitumoral, and antiparasitic properties. The aim of this work was to evaluate the in vitro anti-helminthic effect of 2-[(3-chlorophenylamino)phenylmethyl]-3-hydroxy-1,4-naphthoquinone, isolated from a natural source and then synthesized (naphthoquinone 4a), using an experimental model of murine cysticercosis caused by Taenia crassiceps (T. crassiceps). This compound causes paralysis in the cysticerci membrane from day 3 of the in vitro treatment. Additionally, it induces changes in the shape, size, and appearance of the cysticerci and a decrease in the reproduction rate. In conclusion, naphthoquinone 4a has in vitro cysticidal activity on T. crassiceps cysticerci depending on the duration of the treatment and the concentration of the compound. Therefore, it is a promising drug candidate to be used in T. crassiceps and possibly T. solium infections.
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6
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Shestak OP, Novikov VL, Glazunov VP. Direct amination of naphthopurpurin and mompain, sea urchin pigments, and their O-methyl ethers by the reaction with ammonia. Russ Chem Bull 2021. [DOI: 10.1007/s11172-021-3152-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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7
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Patel OPS, Beteck RM, Legoabe LJ. Antimalarial application of quinones: A recent update. Eur J Med Chem 2020; 210:113084. [PMID: 33333397 DOI: 10.1016/j.ejmech.2020.113084] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 11/27/2020] [Accepted: 12/01/2020] [Indexed: 12/28/2022]
Abstract
Atovaquone belongs to a naphthoquinone class of drugs and is used in combination with proguanil (Malarone) for the treatment of acute, uncomplicated malaria caused by Plasmodium falciparum (including chloroquine-resistant P. falciparum/P. vivax). Numerous quinone-derived compounds have attracted considerable attention in the last few decades due to their potential in antimalarial drug discovery. Several semi-synthetic derivatives of natural quinones, synthetic quinones (naphtho-/benzo-quinone, anthraquinones, thiazinoquinones), and quinone-based hybrids were explored for their in vitro and in vivo antimalarial activities. A careful literature survey revealed that this topic has not been compiled as a review article so far. Therefore, we herein summarise the recent discovery (the year 2009-2020) of quinone based antimalarial compounds in chronological order. This compilation would be very useful towards the exploration of novel quinone-derived compounds against malarial parasites with promising efficacy and lesser side effects.
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Affiliation(s)
- Om P S Patel
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Private Bag X6001, Potchefstroom, 2520, South Africa.
| | - Richard M Beteck
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Private Bag X6001, Potchefstroom, 2520, South Africa
| | - Lesetja J Legoabe
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Private Bag X6001, Potchefstroom, 2520, South Africa.
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8
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Ribeiro LMBC, Fumagalli F, Mello RB, Froes TQ, da Silva MVS, Villamizar Gómez SM, Barros TF, Emery FS, Castilho MS. Structure-activity relationships and mechanism of action of tetragomycin derivatives as inhibitors of Staphylococcus aureus staphyloxanthin biosynthesis. Microb Pathog 2020; 144:104127. [PMID: 32169485 DOI: 10.1016/j.micpath.2020.104127] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 02/13/2020] [Accepted: 03/06/2020] [Indexed: 12/31/2022]
Abstract
Despite the main strategy to overcome bacterial resistance has focused on the development of more potent antimicrobial agents, the evolutionary pressure caused by such drugs makes this strategy limited. Molecules that interfere with virulence factors appear as a promising alternative though, as they cause reduced selective pressure. As a matter of fact, staphyloxanthin biosynthesis inhibition (STXBI) has been pursued as promising strategy to reduce S. aureus virulence. Herein, we report the inhibitory profile of 27 tetrangomycin derivatives over staphyloxanthin production. The experimental result showed that naphthoquinone dehydro-α-lapachone (25 - EC50 = 57.29 ± 1.15 μM) and 2-Isopropylnaphtho[2,3-b]furan-4,9-dione (26 EC50 = 82.10 ± 1.09 μM) are the most potent compounds and suggest that hydrogen acceptor groups and lipophilic moieties decorating the naphthoquinone ring are crucial for STXBI. In addition, we present an in situ analysis, through RAMAN spectroscopy, that is inexpensive and might be employed to probe the mechanism of action of staphyloxanthin biosynthesis inhibitors. Therefore, our molecular simplification strategies afforded promising lead compounds for the development of drugs that modulate S. aureus staphyloxanthin biosynthesis.
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Affiliation(s)
- L M B C Ribeiro
- Programa de Pós-graduação Em Biotecnologia, Universidade Estadual de Feira de Santana, Brazil
| | - F Fumagalli
- Centro de Ciências da Saúde da Universidade Federal de Santa Maria, Brazil
| | - R B Mello
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Brazil
| | - T Q Froes
- Programa de Pós-graduação Em Biotecnologia, Universidade Estadual de Feira de Santana, Brazil
| | - M V S da Silva
- Instituto de Física da Universidade Federal da Bahia, Brazil
| | | | - T F Barros
- Faculdade de Farmácia da Universidade Federal da Bahia, Brazil
| | - F S Emery
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Brazil
| | - M S Castilho
- Programa de Pós-graduação Em Biotecnologia, Universidade Estadual de Feira de Santana, Brazil; Faculdade de Farmácia da Universidade Federal da Bahia, Brazil.
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Narula AK, Azad CS, Nainwal LM. New dimensions in the field of antimalarial research against malaria resurgence. Eur J Med Chem 2019; 181:111353. [DOI: 10.1016/j.ejmech.2019.05.043] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 04/16/2019] [Accepted: 05/15/2019] [Indexed: 12/20/2022]
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10
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Oramas-Royo S, López-Rojas P, Amesty Á, Gutiérrez D, Flores N, Martín-Rodríguez P, Fernández-Pérez L, Estévez-Braun A. Synthesis and Antiplasmodial Activity of 1,2,3-Triazole-Naphthoquinone Conjugates. Molecules 2019; 24:molecules24213917. [PMID: 31671684 PMCID: PMC6864696 DOI: 10.3390/molecules24213917] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 10/22/2019] [Accepted: 10/29/2019] [Indexed: 12/21/2022] Open
Abstract
A series of 34 1,2,3-triazole-naphthoquinone conjugates were synthesized via copper-catalyzed cycloaddition (CuAAC). They were evaluated for their in vitro antimalarial activity against chloroquine-sensitive strains of Plasmodium falciparum and against three different tumor cell lines (SKBr-3, MCF-7, HEL). The most active antimalarial compounds showed a low antiproliferative activity. Simplified analogues were also obtained and some structure–activity relationships were outlined. The best activity was obtained by compounds 3s and 3j, having IC50 of 0.8 and 1.2 μM, respectively. Molecular dockings were also carried on Plasmodium falciparum enzyme dihydroorotate dehydrogenase (PfDHODH) in order to rationalize the results.
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Affiliation(s)
- Sandra Oramas-Royo
- Instituto Universitario de Bio-Orgánica (CIBICAN), Departamento de Química Orgánica, Universidad de La Laguna, 38206 Tenerife, Spain.
| | - Priscila López-Rojas
- Instituto Universitario de Bio-Orgánica (CIBICAN), Departamento de Química Orgánica, Universidad de La Laguna, 38206 Tenerife, Spain.
| | - Ángel Amesty
- Instituto Universitario de Bio-Orgánica (CIBICAN), Departamento de Química Orgánica, Universidad de La Laguna, 38206 Tenerife, Spain.
| | - David Gutiérrez
- Instituto de Investigaciones Fármaco Bioquímicas, Facultad de Ciencias Farmacéuticas y Bioquímicas, Universidad Mayor de San Andrés, Av. Saavedra 2024, 2° piso, Miraflores, La Paz 2314, Bolivia.
| | - Ninoska Flores
- Instituto de Investigaciones Fármaco Bioquímicas, Facultad de Ciencias Farmacéuticas y Bioquímicas, Universidad Mayor de San Andrés, Av. Saavedra 2024, 2° piso, Miraflores, La Paz 2314, Bolivia.
| | - Patricia Martín-Rodríguez
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS), Departamento de Ciencias Clínicas, BIOPHARM, Universidad de Las Palmas de Gran Canaria, 35001 Las Palmas de Gran Canaria, Spain.
| | - Leandro Fernández-Pérez
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS), Departamento de Ciencias Clínicas, BIOPHARM, Universidad de Las Palmas de Gran Canaria, 35001 Las Palmas de Gran Canaria, Spain.
| | - Ana Estévez-Braun
- Instituto Universitario de Bio-Orgánica (CIBICAN), Departamento de Química Orgánica, Universidad de La Laguna, 38206 Tenerife, Spain.
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11
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Calil FA, David JS, Chiappetta ER, Fumagalli F, Mello RB, Leite FH, Castilho MS, Emery FS, Nonato M. Ligand-based design, synthesis and biochemical evaluation of potent and selective inhibitors of Schistosoma mansoni dihydroorotate dehydrogenase. Eur J Med Chem 2019; 167:357-366. [DOI: 10.1016/j.ejmech.2019.02.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/01/2019] [Accepted: 02/05/2019] [Indexed: 11/28/2022]
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12
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Mendonça DV, Tavares GS, Lage DP, Soyer TG, Carvalho LM, Dias DS, Ribeiro PA, Ottoni FM, Antinarelli LM, Vale DL, Ludolf F, Duarte MC, Coimbra ES, Chávez-Fumagalli MA, Roatt BM, Menezes-Souza D, Barichello JM, Alves RJ, Coelho EA. In vivo antileishmanial efficacy of a naphthoquinone derivate incorporated into a Pluronic® F127-based polymeric micelle system against Leishmania amazonensis infection. Biomed Pharmacother 2019; 109:779-787. [DOI: 10.1016/j.biopha.2018.10.143] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 10/16/2018] [Accepted: 10/24/2018] [Indexed: 11/29/2022] Open
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13
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Zarei M, Noroozizadeh E, Khaledian O, Moosavi-Zare AR, Zolfigol MA. Regioselective synthesis of novel α-ariloxy alcohols over silica-bonded 1,4-diaza-bicyclo[2.2.2]octane-acetic acid bromide as new catalyst. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.07.098] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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de Sena Pereira VS, da Silva Emery F, Lobo L, Nogueira F, Oliveira JIN, Fulco UL, Albuquerque EL, Katzin AM, de Andrade-Neto VF. In vitro antiplasmodial activity, pharmacokinetic profiles and interference in isoprenoid pathway of 2-aniline-3-hydroxy-1.4-naphthoquinone derivatives. Malar J 2018; 17:482. [PMID: 30567541 PMCID: PMC6300878 DOI: 10.1186/s12936-018-2615-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 12/06/2018] [Indexed: 12/18/2022] Open
Abstract
Background Plasmodium falciparum has shown multidrug resistance, leading to the necessity for the development of new drugs with novel targets, such as the synthesis of isoprenic precursors, which are excellent targets because the pathway is different in several steps when compared with the human host. Naphthoquinone derivatives have been described as potentially promising for the development of anti-malarial leader molecules. In view of that, the focus in this work is twofold: first, evaluate the in vitro naphthoquinone antiplasmodial activity and cytotoxicity; secondly, investigate one possible action mechanism of two derivatives of hydroxy-naphthoquinones. Results The two hydroxy-naphthoquinones derivatives have been tested against P. falciparum in vitro, using strains of parasites chloroquine-sensitive (3D7) and chloroquine-resistant (Dd2), causing 50% inhibition of parasite growth with concentrations that varied from 7 to 44.5 μM. The cell viability in vitro against RAW Cell Line displayed IC50 = 483.5 and 714.9 μM, whereas, in primary culture tests using murine macrophages, IC50 were 315.8 and 532.6 μM for the two selected compounds, causing no haemolysis at the doses tested. The in vivo acute toxicity assays exhibited a significant safety margin indicated by a lack of systemic and behavioural toxicity up to 300 mg/kg. It is suggested that this drug seems to inhibit the biosynthesis of isoprenic compounds, particularly the menaquinone and tocopherol. Conclusions These derivatives have a high potential for the development of new anti-malarial drugs since they showed low toxicity associated to a satisfactory antiplasmodial activity and possible inhibition of a metabolic pathway distinct from the pathways found in the mammalian host.
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Affiliation(s)
- Valeska S de Sena Pereira
- Laboratório de Biologia da Malária e Toxoplasmose - LABMAT, Departmento de Microbiologia e Parasitologia, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil.,Post-graduate Program in Biochemistry, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil
| | - Flávio da Silva Emery
- Departmento de Ciências Farmacêuticas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Lis Lobo
- Global Health and Tropical Medicine-GHTM, Unidade de Ensino e Investigação de Parasitologia Médica, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa - UNL, Lisbon, Portugal
| | - Fátima Nogueira
- Global Health and Tropical Medicine-GHTM, Unidade de Ensino e Investigação de Parasitologia Médica, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa - UNL, Lisbon, Portugal
| | - Jonas I N Oliveira
- Departamento de Biofísica e Farmacologia, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil
| | - Umberto L Fulco
- Departamento de Biofísica e Farmacologia, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil
| | - Eudenilson L Albuquerque
- Departamento de Biofísica e Farmacologia, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil
| | - Alejandro M Katzin
- Departmento de Parasitologia, Centro de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Valter F de Andrade-Neto
- Laboratório de Biologia da Malária e Toxoplasmose - LABMAT, Departmento de Microbiologia e Parasitologia, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil. .,Post-graduate Program in Biochemistry, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil.
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15
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Synthesis, characterization, antimicrobial activity and DFT studies of 2-(pyrimidin-2-ylamino)naphthalene-1,4-dione and its Mn(II), Co(II), Ni(II) and Zn(II) complexes. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.03.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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16
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Antileishmanial activity of a naphthoquinone derivate against promastigote and amastigote stages of Leishmania infantum and Leishmania amazonensis and its mechanism of action against L. amazonensis species. Parasitol Res 2017; 117:391-403. [PMID: 29248978 DOI: 10.1007/s00436-017-5713-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 12/07/2017] [Indexed: 10/18/2022]
Abstract
Leishmaniasis has become a significant public health issue in several countries in the world. New products have been identified to treat against the disease; however, toxicity and/or high cost is a limitation. The present work evaluated the antileishmanial activity of a new naphthoquinone derivate, Flau-A [2-(2,3,4-tri-O-acetyl-6-deoxy-β-L-galactopyranosyloxy)-1,4-naphthoquinone], against promastigote and amastigote-like stages of Leishmania amazonensis and L. infantum. In addition, the cytotoxicity in murine macrophages and human red cells was also investigated. The mechanism of action of Flau-A was assessed in L. amazonensis as well as its efficacy in treating infected macrophages and inhibiting infection of pretreated parasites. Results showed that Flau-A was effective against promastigotes and amastigote-like forms of both parasite species, as well as showed low toxicity in mammalian cells. Results also highlighted the morphological and biochemical alterations induced by Flau-A in L. amazonensis, including loss of mitochondrial membrane potential, as well as increased reactive oxygen species production, cell shrinkage, and alteration of the plasma membrane integrity. The present study demonstrates for the first time the antileishmanial activity of Flau-A against two Leishmania species and suggests that the mitochondria of the parasites may be the main target organelle. Data shown here encourages the use of this molecule in new studies concerning treatment against Leishmania infection in mammalian hosts.
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17
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Hamama WS, Hassanien AEDE, Zoorob HH. Adaptable Access for Naphthaquinone Annulation: Bioactivity and Molecular Modeling Evaluations. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2947] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wafaa S. Hamama
- Chemistry Department; Faculty of Science, Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
| | - Alaa El-Din E. Hassanien
- Chemistry Department; Faculty of Science, Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
| | - Hanafi H. Zoorob
- Chemistry Department; Faculty of Science, Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
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18
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Synthesis of Quinone-BasedN-Sulfonyl-1,2,3-triazoles: Chemical Reactivity of Rh(II) Azavinyl Carbenes and Antitumor Activity. ChemistrySelect 2017. [DOI: 10.1002/slct.201700885] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Hamama WS, Hassanien AEDE, Zoorob HH. Advanced Routes in Synthesis and Reactions of Lawsone Molecules (2-Hydroxynaphthalene-1,4-dione). J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2855] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wafaa S. Hamama
- Chemistry Department, Faculty of Science; Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
| | - Alaa El-Din E. Hassanien
- Chemistry Department, Faculty of Science; Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
| | - Hanafi H. Zoorob
- Chemistry Department, Faculty of Science; Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
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20
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New family of antimicrobial agents derived from 1,4-naphthoquinone. Eur J Med Chem 2016; 124:1019-1025. [DOI: 10.1016/j.ejmech.2016.10.034] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 10/14/2016] [Accepted: 10/15/2016] [Indexed: 11/21/2022]
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21
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de Sena Pereira VS, Silva de Oliveira CB, Fumagalli F, da Silva Emery F, da Silva NB, de Andrade-Neto VF. Cytotoxicity, hemolysis and in vivo acute toxicity of 2-hydroxy-3-anilino-1,4-naphthoquinone derivatives. Toxicol Rep 2016; 3:756-762. [PMID: 28959602 PMCID: PMC5617738 DOI: 10.1016/j.toxrep.2016.09.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 08/29/2016] [Accepted: 09/15/2016] [Indexed: 02/08/2023] Open
Abstract
The 1,4-naphthoquinones, important members of the family of quinones are used as both crude extracts and as compound manipulated by the pharmaceutical industry. They have gained great emphasis by presenting different pharmacological properties as antibacterial, antiviral, antiprotozoal and anthelmintic, and has antitumor activity. Our aim was to evaluate the cytotoxicity, hemolytic activity and in vivo acute toxicity of three derivatives of 2-hydroxy-1,4-naphthoquinones. The cell viability in vitro against RAW Cell Line displayed IC50 ranging of 483.5–2044.8 μM, whereas in primary culture tests using murine macrophages, IC50 were 315.8–1408.0 μM for naphthoquinones derivatives 4a and 4c respectively, besides no hemolysis was observed at the dose tested. The in vivo acute toxicity assays exhibited a significant safety margin indicated by a lack of systemic and behavioral toxicity up to 300 mg/kg, and at a dose of 1000 mg/kg the derivatives not triggering signs of toxicity although the compound 4a have promoted hepatic steatosis and hyperemia in kidney tissue. Thereby, these modifications decrease the toxicity of the tested derivatives naphthoquinones, providing a high potential for the development of news drugs.
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Affiliation(s)
- Valeska Santana de Sena Pereira
- Laboratory of Malaria and Toxoplasmosis Biology, Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Cláudio Bruno Silva de Oliveira
- Laboratory of Malaria and Toxoplasmosis Biology, Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Fernando Fumagalli
- Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Flávio da Silva Emery
- Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Naisandra Bezerra da Silva
- Laboratory of Histotecnology, Department of Morfology, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Valter F de Andrade-Neto
- Laboratory of Malaria and Toxoplasmosis Biology, Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Natal, RN, Brazil
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22
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Discovery of antiviral molecules for dengue: In silico search and biological evaluation. Eur J Med Chem 2016; 110:87-97. [PMID: 26807547 DOI: 10.1016/j.ejmech.2015.12.030] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 11/08/2015] [Accepted: 12/14/2015] [Indexed: 12/24/2022]
Abstract
BACKGROUND Dengue disease is a global disease that has no effective treatment. The dengue virus (DENV) NS2B/NS3 protease complex is a target for designing specific antivirals due to its importance in viral replication and its high degree of conservation. METHODS NS2B/NS3 protease complex structural information was employed to find small molecules that are capable of inhibiting the activity of the enzyme complex. This inhibitory activity was probed with in vitro assays using a fluorescent substrate and the complex NS2B/NS3 obtained by recombinant DNA techniques. HepG2 cells infected with dengue virus serotype 2 were used to test the activity against dengue virus replication. RESULTS A total of 210,903 small molecules from PubChem were docked in silico to the NS2B/NS3 structure (PDB: 2FOM) to find molecules that were capable of inhibiting this protein complex. Five of the best 500 leading compounds, according to their affinity values (-11.6 and -13.5 kcal/mol), were purchased. The inhibitory protease activity on the recombinant protein and antiviral assays was tested. CONCLUSIONS Chemicals CID 54681617, CID 54692801 and CID 54715399 were strong inhibitors of NS2B/NS3, with IC50 values (μM) and percentages of viral titer reductions of 19.9, 79.9%; 17.5, 69.8%; and 9.1, 73.9%, respectively. Multivariate methods applied to the molecular descriptors showed two compounds that were structurally different from other DENV inhibitors. GENERAL SIGNIFICANCE This discovery opens new possibilities for obtaining drug candidates against Dengue virus.
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23
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Zolfigol MA, Moosavi-Zare AR, Zarei M, Zare A, Noroozizadeh E, Karamian R, Asadbegy M. Synthesis of β-phthalimido-alcohols via regioselective ring opening of epoxide by using reusable basic magnetic nano particles and their biological investigation. RSC Adv 2016. [DOI: 10.1039/c6ra07660b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In this work, regioselective ring opening of epoxides including aromatic and aliphatic epoxides to give β-phthalimido-alcohols has been reported.
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Affiliation(s)
- Mohammad Ali Zolfigol
- Department of Organic Chemistry
- Faculty of Chemistry
- Bu-Ali Sina University
- Hamedan 6517838683
- Iran
| | | | - Mahmoud Zarei
- Department of Organic Chemistry
- Faculty of Chemistry
- Bu-Ali Sina University
- Hamedan 6517838683
- Iran
| | | | - Ehsan Noroozizadeh
- Department of Organic Chemistry
- Faculty of Chemistry
- Bu-Ali Sina University
- Hamedan 6517838683
- Iran
| | - Roya Karamian
- Department of Biology
- Faculty of Science
- Bu-Ali Sina University
- Hamedan
- Iran
| | - Mostafa Asadbegy
- Department of Biology
- Faculty of Science
- Bu-Ali Sina University
- Hamedan
- Iran
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24
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da S Souza LG, Almeida MCS, Lemos TLG, Ribeiro PRV, de Brito ES, Silva VLM, Silva AMS, Braz-Filho R, Costa JGM, Rodrigues FFG, Barreto FS, de Moraes MO. Synthesis, antibacterial and cytotoxic activities of new biflorin-based hydrazones and oximes. Bioorg Med Chem Lett 2015; 26:435-439. [PMID: 26684850 DOI: 10.1016/j.bmcl.2015.11.095] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/24/2015] [Accepted: 11/26/2015] [Indexed: 11/16/2022]
Abstract
Biflorin 1 is a biologically active quinone, isolated from Capraria biflora. Five new biflorin-based nitrogen derivatives were synthesized, of which two were mixtures of (E)- and (Z)- isomers: (Z)-2a, (Z)-2b, (Z)-3a, (Z)- and (E)-3b, (Z)- and (E)-3c. The antibacterial activity was investigated using the microdilution method for determining the minimum inhibitory concentration (MIC) against six bacterial strains. Tests have shown that these derivatives have potential against all bacterial strains. The cytotoxic activity was also evaluated against three strains of cancer cells, but none of the derivatives showed activity.
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Affiliation(s)
- Luciana G da S Souza
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Campus do Pici, 60451-970 Fortaleza, CE, Brazil
| | - Macia C S Almeida
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Campus do Pici, 60451-970 Fortaleza, CE, Brazil
| | - Telma L G Lemos
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Campus do Pici, 60451-970 Fortaleza, CE, Brazil.
| | - Paulo R V Ribeiro
- Embrapa Agroindustria Tropical, R Dra Sara Mesquita, 2270, 60511-110 Fortaleza, CE, Brazil
| | - Edy S de Brito
- Embrapa Agroindustria Tropical, R Dra Sara Mesquita, 2270, 60511-110 Fortaleza, CE, Brazil
| | - Vera L M Silva
- Department of Chemistry & QOPNA, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Artur M S Silva
- Department of Chemistry & QOPNA, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Raimundo Braz-Filho
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-602 Campos dos Goytacazes, RJ, Brazil
| | - José G M Costa
- Laboratório de Pesquisa de Produtos Naturais, Universidade Regional do Cariri, 63105-000 Crato, CE, Brazil
| | - Fábio F G Rodrigues
- Laboratório de Pesquisa de Produtos Naturais, Universidade Regional do Cariri, 63105-000 Crato, CE, Brazil
| | - Francisco S Barreto
- Departamento de Fisiologia e Farmacologia, Universidade Federal do Ceará, 60430-270 Fortaleza, CE, Brazil
| | - Manoel O de Moraes
- Departamento de Fisiologia e Farmacologia, Universidade Federal do Ceará, 60430-270 Fortaleza, CE, Brazil
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25
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López J, de la Cruz F, Alcaraz Y, Delgado F, Vázquez MA. Quinoid systems in chemistry and pharmacology. Med Chem Res 2015. [DOI: 10.1007/s00044-015-1412-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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26
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Moreira DRM, de Sá MS, Macedo TS, Menezes MN, Reys JRM, Santana AEG, Silva TL, Maia GLA, Barbosa-Filho JM, Camara CA, da Silva TMS, da Silva KN, Guimaraes ET, dos Santos RR, Goulart MOF, Soares MBP. Evaluation of naphthoquinones identified the acetylated isolapachol as a potent and selective antiplasmodium agent. J Enzyme Inhib Med Chem 2014; 30:615-21. [DOI: 10.3109/14756366.2014.958083] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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27
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Pinto EG, Santos IO, Schmidt TJ, Borborema SET, Ferreira VF, Rocha DR, Tempone AG. Potential of 2-hydroxy-3-phenylsulfanylmethyl-[1,4]-naphthoquinones against Leishmania (L.) infantum: biological activity and structure-activity relationships. PLoS One 2014; 9:e105127. [PMID: 25171058 PMCID: PMC4149375 DOI: 10.1371/journal.pone.0105127] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 07/21/2014] [Indexed: 11/27/2022] Open
Abstract
Naphtoquinones have been used as promising scaffolds for drug design studies against protozoan parasites. Considering the highly toxic and limited therapeutic arsenal, the global negligence with tropical diseases and the elevated prevalence of co-morbidities especially in developing countries, the parasitic diseases caused by various Leishmania species (leishmaniasis) became a significant public health threat in 98 countries. The aim of this work was the evaluation of antileishmanial in vitro potential of thirty-six 2-hydroxy-3-phenylsulfanylmethyl-[1,4]-naphthoquinones obtained by a three component reaction of lawsone, the appropriate aldehyde and thiols adequately substituted, exploiting the in situ generation of o-quinonemethides (o-QM) via the Knoevenagel condensation. The antileishmanial activity of the naphthoquinone derivatives was evaluated against promastigotes and intracellular amastigotes of Leishmania (Leishmania) infantum and their cytotoxicity was verified in mammalian cells. Among the thirty-six compounds, twenty-seven were effective against promastigotes, with IC50 values ranging from 8 to 189 µM; fourteen compounds eliminated the intracellular amastigotes, with IC50 values ranging from 12 to 65 µM. The compounds containing the phenyl groups at R1 and R2 and with the fluorine substituent at the phenyl ring at R2, rendered the most promising activity, demonstrating a selectivity index higher than 15 against amastigotes. A QSAR (quantitative structure activity relationship) analysis yielded insights into general structural requirements for activity of most compounds in the series. Considering the in vitro antileishmanial potential of 2-hydroxy-3-phenylsulfanylmethyl-[1,4]-naphthoquinones and their structure-activity relationships, novel lead candidates could be exploited in future drug design studies for leishmaniasis.
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Affiliation(s)
- Erika G. Pinto
- Centre for Parasitology and Mycology, Instituto Adolfo Lutz, São Paulo, SP, Brazil
- Instituto de Medicina Tropical de São Paulo, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Isabela O. Santos
- Universidade Federal Fluminense, Instituto de Química, Departamento de Química Orgânica, Niterói, RJ, Brazil
| | - Thomas J. Schmidt
- Institute of Pharmaceutical Biology and Phytochemistry (IPBP), University of Münster, PharmaCampus, Münster, Germany
| | | | - Vitor F. Ferreira
- Universidade Federal Fluminense, Instituto de Química, Departamento de Química Orgânica, Niterói, RJ, Brazil
| | - David R. Rocha
- Universidade Federal Fluminense, Instituto de Química, Departamento de Química Orgânica, Niterói, RJ, Brazil
| | - Andre G. Tempone
- Centre for Parasitology and Mycology, Instituto Adolfo Lutz, São Paulo, SP, Brazil
- * E-mail:
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Taxak N, Kalra S, Bharatam PV. Mechanism-Based Inactivation of Cytochromes by Furan Epoxide: Unraveling the Molecular Mechanism. Inorg Chem 2013; 52:13496-508. [DOI: 10.1021/ic401907k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Nikhil Taxak
- Department
of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar
(Mohali), 160 062 Punjab, India
| | - Sourav Kalra
- Department
of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar
(Mohali), 160 062 Punjab, India
| | - Prasad V. Bharatam
- Department
of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar
(Mohali), 160 062 Punjab, India
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