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Boniface PK, Ferreira EI. Flavonoids as efficient scaffolds: Recent trends for malaria, leishmaniasis, Chagas disease, and dengue. Phytother Res 2019; 33:2473-2517. [PMID: 31441148 DOI: 10.1002/ptr.6383] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 04/04/2019] [Accepted: 04/13/2019] [Indexed: 12/21/2022]
Abstract
Endemic in 149 tropical and subtropical countries, neglected tropical diseases (NTDs) affect more than 1 billion people annually with over 500,000 deaths. Among the NTDs, some of the most severe consist of leishmaniasis, Chagas disease, and dengue. The impact of the combined NTDs closely rivals that of malaria. According to the World Health Organization, 216 million cases of malaria were reported in 2016 with 445,000 deaths. Current treatment options are associated with various limitations including widespread drug resistance, severe adverse effects, lengthy treatment duration, unfavorable toxicity profiles, and complicated drug administration procedures. Flavonoids are a class of compounds that has been the subject of considerable scientific interest. New developments of flavonoids have made promising advances for the potential treatment of malaria, leishmaniasis, Chagas disease, and dengue, with less toxicity, high efficacy, and improved bioavailability. This review summarizes the current standings of the use of flavonoids to treat malaria and neglected diseases such as leishmaniasis, Chagas disease, and dengue. Natural and synthetic flavonoids are leading compounds that can be used for developing antiprotozoal and antiviral agents. However, detailed studies on toxicity, pharmacokinetics, and mechanisms of action of these compounds are required to confirm the in vitro pharmacological claims of flavonoids for pharmaceutical applications. HIGHLIGHTS: In the current review, we have tried to compile recent discoveries on natural and synthetic flavonoids as well as their implication in the treatment of malaria, leishmaniasis, Chagas disease, and dengue. A total of 373 (220 natural and 153 synthetic) flavonoids have been evaluated for antimalarial, antileishmanial, antichagasic, and antidengue activities. Most of these flavonoids showed promising results against the above diseases. Reports on molecular modeling of flavonoid compounds to the disease target indicated encouraging results. Flavonoids can be prospected as potential leads for drug development; however, more rigorously designed studies on toxicity and pharmacokinetics, as well as the quantitative structure-activity relationship studies of these compounds, need to be addressed.
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Affiliation(s)
- Pone Kamdem Boniface
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Elizabeth Igne Ferreira
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
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Cabral-Miranda G, M Salman A, O Mohsen M, L Storni F, S Roesti E, A Skinner M, D Heath M, F Kramer M, M Khan S, J Janse C, V S Hill A, F Bachmann M. DOPS Adjuvant Confers Enhanced Protection against Malaria for VLP-TRAP Based Vaccines. Diseases 2018; 6:diseases6040107. [PMID: 30469323 PMCID: PMC6313579 DOI: 10.3390/diseases6040107] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 11/12/2018] [Accepted: 11/16/2018] [Indexed: 12/25/2022] Open
Abstract
Vaccination remains the most effective and essential prophylactic tool against infectious diseases. Enormous efforts have been made to develop effective vaccines against malaria but successes remain so far limited. Novel adjuvants may offer a significant advantage in the development of malaria vaccines, in particular if combined with inherently immunogenic platforms, such as virus-like particles (VLP). Dioleoyl phosphatidylserine (DOPS), which is expressed on the outer surface of apoptotic cells, represents a novel adjuvant candidate that may confer significant advantage over existing adjuvants, such as alum. In the current study we assessed the potential of DOPS to serve as an adjuvant in the development of a vaccine against malaria either alone or combined with VLP using Plasmodium falciparum thrombospondin-related adhesive protein (TRAP) as a target antigen. TRAP was chemically coupled to VLPs derived from the cucumber mosaic virus fused to a universal T cell epitope of tetanus toxin (CuMVtt). Mice were immunized with TRAP alone or formulated in alum or DOPS and compared to TRAP coupled to CuMVtt formulated in PBS or DOPS. Induced immune responses, in particular T cell responses, were assessed as the major protective effector cell population induced by TRAP. The protective capacity of the various formulations was assessed using a transgenic Plasmodium berghei expressing PfTRAP. All vaccine formulations using adjuvants and/or VLP increased humoral and T cell immunogenicity for PfTRAP compared to the antigen alone. Display on VLPs, in particular if formulated with DOPS, induced the strongest and most protective immune response. Thus, the combination of VLP with DOPS may harness properties of both immunogenic components and optimally enhance induction of protective immune responses.
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Affiliation(s)
- Gustavo Cabral-Miranda
- The Jenner Institute, Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), Roosevelt Drive, Oxford OX3 7BN, UK.
- Department of Immunology, RIA, Inselspital, University of Bern, Sahlihaus 1/2, 3010 Bern, Switzerland.
| | - Ahmed M Salman
- The Jenner Institute, Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), Roosevelt Drive, Oxford OX3 7BN, UK.
| | - Mona O Mohsen
- The Jenner Institute, Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), Roosevelt Drive, Oxford OX3 7BN, UK.
| | - Federico L Storni
- Department of Immunology, RIA, Inselspital, University of Bern, Sahlihaus 1/2, 3010 Bern, Switzerland.
| | - Elisa S Roesti
- Department of Immunology, RIA, Inselspital, University of Bern, Sahlihaus 1/2, 3010 Bern, Switzerland.
| | | | - Matthew D Heath
- Bencard Adjuvant Systems, Dominion Way, Worthing BN14 8SA, UK.
| | | | - Shahid M Khan
- Department of Parasitology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands.
| | - Chris J Janse
- Department of Parasitology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands.
| | - Adrian V S Hill
- The Jenner Institute, Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), Roosevelt Drive, Oxford OX3 7BN, UK.
| | - Martin F Bachmann
- The Jenner Institute, Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), Roosevelt Drive, Oxford OX3 7BN, UK.
- Department of Immunology, RIA, Inselspital, University of Bern, Sahlihaus 1/2, 3010 Bern, Switzerland.
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Cargnin ST, Staudt AF, Medeiros P, de Medeiros Sol Sol D, de Azevedo Dos Santos AP, Zanchi FB, Gosmann G, Puyet A, Garcia Teles CB, Gnoatto SB. Semisynthesis, cytotoxicity, antimalarial evaluation and structure-activity relationship of two series of triterpene derivatives. Bioorg Med Chem Lett 2017; 28:265-272. [PMID: 29326018 DOI: 10.1016/j.bmcl.2017.12.060] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 12/18/2017] [Accepted: 12/25/2017] [Indexed: 11/24/2022]
Abstract
In this report, we describe the semisynthesis of two series of ursolic and betulinic acid derivatives through designed by modifications at the C-3 and C-28 positions and demonstrate their antimalarial activity against chloroquine-resistant P. falciparum (W2 strain). Structural modifications at C-3 were more advantageous to antimalarial activity than simultaneous modifications at C-3 and C-28 positions. The ester derivative, 3β-butanoyl betulinic acid (7b), was the most active compound (IC50 = 3.4 µM) and it did not exhibit cytotoxicity against VERO nor HepG2 cells (CC50 > 400 µM), showing selectivity towards parasites (selectivity index > 117.47). In combination with artemisinin, compound 7b showed an additive effect (CI = 1.14). While docking analysis showed a possible interaction of 7b with the Plasmodium protease PfSUB1, with an optimum binding affinity of -7.02 kcal/mol, the rather low inhibition displayed on a Bacillus licheniformis subtilisin A protease activity assay (IC50 = 93 µM) and the observed accumulation of ring forms together with a delay of appearance of trophozoites in vitro suggests that the main target of 3β-butanoyl betulinic acid on Plasmodium may be related to other molecules and processes pertaining to the ring stage. Therefore, compound 7b is the most promising compound for further studies on antimalarial chemotherapy. The results obtained in this study provide suitable information about scaffolds to develop novel antimalarials from natural sources.
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Affiliation(s)
- Simone Tasca Cargnin
- Laboratório de Fitoquímica e Síntese Orgânica, Faculdade de Fármacia, UFRGS, Porto Alegre, RS, Brazil
| | - Andressa Finkler Staudt
- Laboratório de Fitoquímica e Síntese Orgânica, Faculdade de Fármacia, UFRGS, Porto Alegre, RS, Brazil
| | - Patrícia Medeiros
- Plataforma de Bioensaios de Malária e Leishmaniose, FIOCRUZ, Porto Velho, RO, Brazil
| | | | | | | | - Grace Gosmann
- Laboratório de Fitoquímica e Síntese Orgânica, Faculdade de Fármacia, UFRGS, Porto Alegre, RS, Brazil.
| | - Antonio Puyet
- Departamento de Bioquímica y Biología Molecular IV, Universidad Complutense de Madrid, Spain.
| | | | - Simone Baggio Gnoatto
- Laboratório de Fitoquímica e Síntese Orgânica, Faculdade de Fármacia, UFRGS, Porto Alegre, RS, Brazil.
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Cabral-Miranda G, Heath MD, Gomes AC, Mohsen MO, Montoya-Diaz E, Salman AM, Atcheson E, Skinner MA, Kramer MF, Reyes-Sandoval A, Bachmann MF. Microcrystalline Tyrosine (MCT ®): A Depot Adjuvant in Licensed Allergy Immunotherapy Offers New Opportunities in Malaria. Vaccines (Basel) 2017; 5:vaccines5040032. [PMID: 28953265 PMCID: PMC5748599 DOI: 10.3390/vaccines5040032] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 08/25/2017] [Accepted: 09/20/2017] [Indexed: 02/07/2023] Open
Abstract
Microcrystalline Tyrosine (MCT®) is a widely used proprietary depot excipient in specific immunotherapy for allergy. In the current study we assessed the potential of MCT to serve as an adjuvant in the development of a vaccine against malaria. To this end, we formulated the circumsporozoite protein (CSP) of P. vivax in MCT and compared the induced immune responses to CSP formulated in PBS or Alum. Both MCT and Alum strongly increased immunogenicity of CSP compared to PBS in both C57BL/6 and BALB/c mice. Challenge studies in mice using a chimeric P. bergei expressing CSP of P. vivax demonstrated clinically improved symptoms of malaria with CSP formulated in both MCT and Alum; protection was, however, more pronounced if CSP was formulated in MCT. Hence, MCT may be an attractive biodegradable adjuvant useful for the development of novel prophylactic vaccines.
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Affiliation(s)
- Gustavo Cabral-Miranda
- Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), The Jenner Institute, University of Oxford, Oxford OX3 7BN, UK.
| | - Matthew D Heath
- Allergy Therapeutics (UK) Ltd. Dominion Way, Worthing BN14 8SA, UK.
| | - Ariane C Gomes
- Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), The Jenner Institute, University of Oxford, Oxford OX3 7BN, UK.
| | - Mona O Mohsen
- Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), The Jenner Institute, University of Oxford, Oxford OX3 7BN, UK.
| | - Eduardo Montoya-Diaz
- Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), The Jenner Institute, University of Oxford, Oxford OX3 7BN, UK.
| | - Ahmed M Salman
- Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), The Jenner Institute, University of Oxford, Oxford OX3 7BN, UK.
| | - Erwan Atcheson
- Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), The Jenner Institute, University of Oxford, Oxford OX3 7BN, UK.
| | - Murray A Skinner
- Allergy Therapeutics (UK) Ltd. Dominion Way, Worthing BN14 8SA, UK.
| | | | - Arturo Reyes-Sandoval
- Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), The Jenner Institute, University of Oxford, Oxford OX3 7BN, UK.
| | - Martin F Bachmann
- Nuffield Department of Medicine, Centre for Cellular and Molecular Physiology (CCMP), The Jenner Institute, University of Oxford, Oxford OX3 7BN, UK.
- Immunology, RIA, Inselspital, University of Bern, 3010 Bern ,Switzerland.
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Kumar H, Gothwal A, Khan I, Nakhate KT, Alexander A, Ajazuddin, Singh V, Gupta U. Galactose-Anchored Gelatin Nanoparticles for Primaquine Delivery and Improved Pharmacokinetics: A Biodegradable and Safe Approach for Effective Antiplasmodial Activity against P. falciparum 3D7 and in Vivo Hepatocyte Targeting. Mol Pharm 2017; 14:3356-3369. [DOI: 10.1021/acs.molpharmaceut.7b00376] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hitesh Kumar
- Department of Pharmacy,
School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan-305817, India
| | - Avinash Gothwal
- Department of Pharmacy,
School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan-305817, India
| | - Iliyas Khan
- Department of Pharmacy,
School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan-305817, India
| | - Kartik T. Nakhate
- Rungta College of Pharmaceutical Science and Research, Kohka, Bhilai, Chhattisgarh-490024, India
| | - Amit Alexander
- Rungta College of Pharmaceutical Science and Research, Kohka, Bhilai, Chhattisgarh-490024, India
| | - Ajazuddin
- Rungta College of Pharmaceutical Science and Research, Kohka, Bhilai, Chhattisgarh-490024, India
| | - Vineeta Singh
- National Institute of Malaria Research, Sector 8, Dwarka, New Delhi-110077, India
| | - Umesh Gupta
- Department of Pharmacy,
School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan-305817, India
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Virus-Like Particle (VLP) Plus Microcrystalline Tyrosine (MCT) Adjuvants Enhance Vaccine Efficacy Improving T and B Cell Immunogenicity and Protection against Plasmodium berghei/vivax. Vaccines (Basel) 2017; 5:vaccines5020010. [PMID: 28468322 PMCID: PMC5492007 DOI: 10.3390/vaccines5020010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 04/18/2017] [Accepted: 04/21/2017] [Indexed: 02/01/2023] Open
Abstract
Vaccination is the most effective prophylactic tool against infectious diseases. Despite continued efforts to control malaria, the disease still generally represents a significant unmet medical need. Microcrystalline tyrosine (MCT) is a well described depot used in licensed allergy immunotherapy products and in clinical development. However, its proof of concept in prophylactic vaccines has only recently been explored. MCT has never been used in combination with virus-like particles (VLPs), which are considered to be one of the most potent inducers of cellular and humoral immune responses in mice and humans. In the current study we assessed the potential of MCT to serve as an adjuvant in the development of a vaccine against malaria either alone or combined with VLP using Plasmodium vivax thrombospondin-related adhesive protein (TRAP) as a target antigen. We chemically coupled PvTRAP to VLPs derived from the cucumber mosaic virus fused to a universal T-cell epitope of the tetanus toxin (CMVtt), formulated with MCT and compared the induced immune responses to PvTRAP formulated in PBS or Alum. The protective capacity of the various formulations was assessed using Plasmodium berghei expressing PvTRAP. All vaccine formulations using adjuvants and/or VLP increased humoral immunogenicity for PvTRAP compared to the antigen alone. The most proficient responder was the group of mice immunized with the vaccine formulated with PvTRAP-VLP + MCT. The VLP-based vaccine formulated in MCT also induced the strongest T cell response and conferred best protection against challenge with recombinant Plasmodium berghei. Thus, the combination of VLP with MCT may take advantage of the properties of each component and appears to be an alternative biodegradable depot adjuvant for development of novel prophylactic vaccines.
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Medina-Morales DA, Montoya-Franco E, Sanchez-Aristizabal VD, Machado-Alba JE, Rodríguez-Morales AJ. Severe and benign Plasmodium vivax malaria in Emberá (Amerindian) children and adolescents from an endemic municipality in Western Colombia. J Infect Public Health 2016; 9:172-80. [DOI: 10.1016/j.jiph.2015.09.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Revised: 07/21/2015] [Accepted: 09/07/2015] [Indexed: 11/16/2022] Open
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Piperazine scaffold: A remarkable tool in generation of diverse pharmacological agents. Eur J Med Chem 2015; 102:487-529. [PMID: 26310894 DOI: 10.1016/j.ejmech.2015.07.026] [Citation(s) in RCA: 142] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Revised: 07/13/2015] [Accepted: 07/15/2015] [Indexed: 12/21/2022]
Abstract
Piperazine is one of the most sought heterocyclics for the development of new drug candidates. This ring can be traced in a number of well established, commercially available drugs. Wide array of pharmacological activities exhibited by piperazine derivatives have made them indispensable anchors for the development of novel therapeutic agents. The review herein highlights the therapeutic significance of piperazine derivatives. Various therapeutically active piperazine derivatives developed by several chemists are reported here.
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Changrob S, Leepiyasakulchai C, Tsuboi T, Cheng Y, Lim CS, Chootong P, Han ET. Naturally-acquired cellular immune response against Plasmodium vivax merozoite surface protein-1 paralog antigen. Malar J 2015; 14:159. [PMID: 25889175 PMCID: PMC4403936 DOI: 10.1186/s12936-015-0681-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 04/05/2015] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Plasmodium vivax merozoite surface protein-1 paralog (PvMSP1P) is a glycosylphosphatidylinositol-anchored protein expressed on the merozoite surface. This molecule is a target of natural immunity, as high anti-MSP1P-19 antibody levels were detected during P. vivax infection and the antibody inhibited PvMSP1P-erythrocyte binding. Recombinant PvMSP1P antigen results in production of a significant Th1 cytokine response in immunized mice. The present study was performed to characterize natural cellular immunity against PvMSP1P-19 and PvDBP region II in acute and recovery P. vivax infection. METHODS Peripheral blood mononuclear cells (PBMCs) from acute and recovery P. vivax infection were obtained for lymphocyte proliferation assay upon PvMSP1P-19 and PvDBP region II antigen stimulation. The culture supernatant was examined for the presence of the cytokines IL-2, TNF, IFN-γ and IL-10 by enzyme-linked immunosorbent assay (ELISA). To determine whether Th1 or Th2 have a memory response against PvMSP1P-19 and PvDBPII protein antigen, PBMCs from subjects who had recovered from P. vivax infection 8-10 weeks prior to the study were obtained for lymphocyte proliferation assay. Cytokine-producing cells were analysed by flow cytometry. RESULTS IL-2 was detected at high levels in lymphocyte cultures from acutely infected P. vivax patients upon PvMSP1P-19 stimulation. Analysis of the Th1 or Th2 memory response in PBMC cultures from subjects who had recovered from P. vivax infection showed significantly elevated levels of PvMSP1P-19 and PvDBPII-specific IFN-γ-producing cells (P < 0.05). Interestingly, the response of IFN-γ-producing cells in PvMSP1P stimulation was fourfold greater in recovered subjects than that in acute-infection patients. CD4(+) T cells were the major cell phenotype involved in the response to PvMSP1P-19 and PvDBPII antigen. CONCLUSIONS PvMSP1P-19 strongly induces a specific cellular immune response for protection against P. vivax compared with PvDBPII as the antigen induces activation of IFN-γ-producing effector cells following natural P. vivax exposure. Upon stimulation, PvMSP1P-19 has the potential to activate the recall response of Th1 effector memory cells that play a role in killing the parasite.
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Affiliation(s)
- Siriruk Changrob
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand.
| | - Chaniya Leepiyasakulchai
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand.
| | - Takafumi Tsuboi
- Division of Malaria Research Proteo-Science Center, Ehime University, Matsuyama, Ehime, 790-8577, Japan.
| | - Yang Cheng
- Department of Medical Environmental Biology and Tropical Medicine, School of Medicine, Kangwon National University, Chuncheon, Gangwon-do, 200-701, Republic of Korea. .,Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, MD, 20852, USA.
| | - Chae Seung Lim
- Department of Laboratory Medicine, College of Medicine, Korea University Guro Hospital, 97 Guro Dong Gil, Guro Gu, Seoul, 152-703, Republic of Korea.
| | - Patchanee Chootong
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand.
| | - Eun-Taek Han
- Department of Medical Environmental Biology and Tropical Medicine, School of Medicine, Kangwon National University, Chuncheon, Gangwon-do, 200-701, Republic of Korea.
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Mendoza-Martínez C, Correa-Basurto J, Nieto-Meneses R, Márquez-Navarro A, Aguilar-Suárez R, Montero-Cortes MD, Nogueda-Torres B, Suárez-Contreras E, Galindo-Sevilla N, Rojas-Rojas Á, Rodriguez-Lezama A, Hernández-Luis F. Design, synthesis and biological evaluation of quinazoline derivatives as anti-trypanosomatid and anti-plasmodial agents. Eur J Med Chem 2015; 96:296-307. [PMID: 25899334 DOI: 10.1016/j.ejmech.2015.04.028] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Revised: 04/10/2015] [Accepted: 04/11/2015] [Indexed: 11/24/2022]
Abstract
In this paper, the design, synthesis and biological evaluation of a set of quinazoline-2,4,6-triamine derivatives (1-9) as trypanocidal, antileishmanial and antiplasmodial agents are explained. The compounds were rationalized basing on docking studies of the dihydrofolate reductase (DHFR from Trypanosoma cruzi, Leishmania major and Plasmodium vivax) and pteridin reductase (PTR from T. cruzi and L. major) structures. All compounds were in vitro screened against both bloodstream trypomastigotes of T. cruzi (NINOA and INC-5 strains) and promatigotes of Leishmania mexicana (MHOM/BZ/61/M379 strain), and also for cytotoxicity using Vero cell line. Against T. cruzi, three compounds (5, 6 and 8) were the most effective showing a better activity profile than nifurtimox and benznidazole (reference drugs). Against L. mexicana, four compounds (5, 6, 8, and 9) exhibited the highest activity, even than glucantime (reference drug). In the cytotoxicity assay, protozoa were more susceptible than Vero cells. In vivo Plasmodium berghei assay (ANKA strain), the compounds 1, 5, 6 and 8 showed a more comparable activity than chloroquine and pyrimethamine (reference drugs) when they were administrated by the oral route. The antiprotozoal activity of these substances, endowed with redox properties, represented a good starting point for a medicinal chemistry program aiming for chemotherapy of Chagas' disease, leishmaniosis and malaria.
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Affiliation(s)
- César Mendoza-Martínez
- Programa de Maestría y Doctorado en Ciencias Químicas, UNAM, México, DF 04510, Mexico; Facultad de Química, Departamento de Farmacia, UNAM, México, DF 04510, Mexico
| | - José Correa-Basurto
- Escuela Superior de Medicina, Laboratorio de Modelado Molecular y Bioinformática de la SEPI, IPN, México, DF 11340, Mexico
| | - Rocío Nieto-Meneses
- Escuela Nacional de Ciencias Biológicas, Departamento de Parasitología, IPN, México, DF 11340, Mexico
| | - Adrián Márquez-Navarro
- Escuela Nacional de Ciencias Biológicas, Departamento de Parasitología, IPN, México, DF 11340, Mexico
| | - Rocío Aguilar-Suárez
- Escuela Nacional de Ciencias Biológicas, Departamento de Parasitología, IPN, México, DF 11340, Mexico
| | | | - Benjamín Nogueda-Torres
- Escuela Nacional de Ciencias Biológicas, Departamento de Parasitología, IPN, México, DF 11340, Mexico
| | - Erick Suárez-Contreras
- Escuela Nacional de Ciencias Biológicas, Departamento de Parasitología, IPN, México, DF 11340, Mexico
| | - Norma Galindo-Sevilla
- Departamento de Infectología, Instituto Nacional de Perinatología, México, DF 11000, Mexico
| | | | | | - Francisco Hernández-Luis
- Programa de Maestría y Doctorado en Ciencias Químicas, UNAM, México, DF 04510, Mexico; Facultad de Química, Departamento de Farmacia, UNAM, México, DF 04510, Mexico.
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