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Fonte M, Rôla C, Santana S, Avalos-Padilla Y, Fernàndez-Busquets X, Prudêncio M, Gomes P, Teixeira C. Disclosure of cinnamic acid/4,9-diaminoacridine conjugates as multi-stage antiplasmodial hits. Bioorg Med Chem 2024; 104:117714. [PMID: 38582046 DOI: 10.1016/j.bmc.2024.117714] [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: 02/26/2024] [Revised: 03/21/2024] [Accepted: 04/02/2024] [Indexed: 04/08/2024]
Abstract
4,9-diaminoacridines with reported antiplasmodial activity were coupled to different trans-cinnamic acids, delivering a new series of conjugates inspired by the covalent bitherapy concept. The new compounds were more potent than primaquine against hepatic stages of Plasmodium berghei, although this was accompanied by cytotoxic effects on Huh-7 hepatocytes. Relevantly, the conjugates displayed nanomolar activities against blood stage P. falciparum parasites, with no evidence of hemolytic effects below 100 µM. Moreover, the new compounds were at least 25-fold more potent than primaquine against P. falciparum gametocytes. Thus, the new antiplasmodial hits disclosed herein emerge as valuable templates for the development of multi-stage antiplasmodial drug candidates.
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Affiliation(s)
- Mélanie Fonte
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Portugal
| | - Catarina Rôla
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Sofia Santana
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Yunuen Avalos-Padilla
- Nanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Spain; Barcelona Institute for Global Health (ISGlobal, Hospital Clínic-Universitat de Barcelona), Spain
| | - Xavier Fernàndez-Busquets
- Nanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Spain; Barcelona Institute for Global Health (ISGlobal, Hospital Clínic-Universitat de Barcelona), Spain; Nanoscience and Nanotechnology Institute (IN2UB), University of Barcelona, Spain
| | - Miguel Prudêncio
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Paula Gomes
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Portugal.
| | - Cátia Teixeira
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Portugal
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2
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Fonte M, Teixeira C, Gomes P. Improved synthesis of antiplasmodial 4-aminoacridines and 4,9-diaminoacridines. RSC Adv 2024; 14:6253-6261. [PMID: 38375018 PMCID: PMC10875606 DOI: 10.1039/d4ra00091a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 02/07/2024] [Indexed: 02/21/2024] Open
Abstract
Acridines are one of the most important nitrogen-containing heterocycle systems and have many applications in the therapeutic field. However, the synthesis of acridine-based scaffolds is not always straightforward. Herein, we report the optimization of two multi-step synthetic routes towards 4,9-diaminoacridines and 4-aminoacridines, which have shown promising antiplasmodial properties. The improved synthesis pathways make use of greener, simpler, and more efficient methods, with less reaction steps and increased overall yields, which were doubled in some cases. These are impactful results towards future approaches to the chemical synthesis of acridine-based compounds.
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Affiliation(s)
- Mélanie Fonte
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências Universidade do Porto Portugal
| | - Cátia Teixeira
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências Universidade do Porto Portugal
| | - Paula Gomes
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências Universidade do Porto Portugal
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3
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Fonte M, Fontinha D, Moita D, Caño-Prades O, Avalos-Padilla Y, Fernàndez-Busquets X, Prudêncio M, Gomes P, Teixeira C. New 4-(N-cinnamoylbutyl)aminoacridines as potential multi-stage antiplasmodial leads. Eur J Med Chem 2023; 258:115575. [PMID: 37390511 DOI: 10.1016/j.ejmech.2023.115575] [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: 04/14/2023] [Revised: 06/09/2023] [Accepted: 06/14/2023] [Indexed: 07/02/2023]
Abstract
A novel family of 4-aminoacridine derivatives was obtained by linking this heteroaromatic core to different trans-cinnamic acids. The 4-(N-cinnamoylbutyl)aminoacridines obtained exhibited in vitro activity in the low- or sub-micromolar range against (i) hepatic stages of Plasmodium berghei, (ii) erythrocytic forms of Plasmodium falciparum, and (iii) early and mature gametocytes of Plasmodium falciparum. The most active compound, having a meta-fluorocinnamoyl group linked to the acridine core, was 20- and 120-fold more potent, respectively, against the hepatic and gametocyte stages of Plasmodium infection than the reference drug, primaquine. Moreover, no cytotoxicity towards mammalian and red blood cells at the concentrations tested was observed for any of the compounds under investigation. These novel conjugates represent promising leads for the development of new multi-target antiplasmodials.
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Affiliation(s)
- Mélanie Fonte
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Portugal.
| | - Diana Fontinha
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Diana Moita
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Omar Caño-Prades
- Nanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Yunuen Avalos-Padilla
- Nanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Xavier Fernàndez-Busquets
- Nanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain; Barcelona Institute for Global Health (ISGlobal, Hospital Clínic-Universitat de Barcelona), Spain; Nanoscience and Nanotechnology Institute (IN2UB), University of Barcelona, Spain
| | - Miguel Prudêncio
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Paula Gomes
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Portugal.
| | - Cátia Teixeira
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Portugal; Gyros Protein Technologies Inc., Tucson, AZ, USA
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Abdelmoniem AM, Hammad HF, Darweesh AF, Abdelaziz MA, Abdelhamid IA, Elwahy AHM. Hantzsch one-pot multicomponent synthesis of a novel series of bis(9,10-diarylhexahydroacridine-1,8-diones). SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1956541] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Hadeel F. Hammad
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Ahmed F. Darweesh
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
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5
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Abdelmoniem AM, Abdelrahman MGM, Ghozlan SAS, Elwahy AHM, Abdelhamid IA. Hantzsch reaction with bis-indole-2,3-diones: Synthesis of novel bis-spirocyclic oxindole incorporating acridine, dipyrazolo[3,4- b:4',3'- e]pyridine and pyrido[2,3- d:6,5- d']dipyrimidine. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1908564] [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]
Affiliation(s)
- Amr M. Abdelmoniem
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
- Institut für Organische Chemie, Leibniz Universität Hannover, Hannover, Germany
| | | | - Said A. S. Ghozlan
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Ahmed H. M. Elwahy
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
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Fonte M, Tassi N, Gomes P, Teixeira C. Acridine-Based Antimalarials-From the Very First Synthetic Antimalarial to Recent Developments. Molecules 2021; 26:molecules26030600. [PMID: 33498868 PMCID: PMC7865557 DOI: 10.3390/molecules26030600] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/18/2021] [Accepted: 01/21/2021] [Indexed: 02/07/2023] Open
Abstract
Malaria is among the deadliest infectious diseases in the world caused by Plasmodium parasites. Due to the high complexity of the parasite’s life cycle, we partly depend on antimalarial drugs to fight this disease. However, the emergence of resistance, mainly by Plasmodium falciparum, has dethroned most of the antimalarials developed to date. Given recent reports of resistance to artemisinin combination therapies, first-line treatment currently recommended by the World Health Organization, in Western Cambodia and across the Greater Mekong sub-region, it seems very likely that artemisinin and its derivatives will follow the same path of other antimalarial drugs. Consequently, novel, safe and efficient antimalarial drugs are urgently needed. One fast and low-cost strategy to accelerate antimalarial development is by recycling classical pharmacophores. Quinacrine, an acridine-based compound and the first clinically tested synthetic antimalarial drug with potent blood schizonticide but serious side effects, has attracted attention due to its broad spectrum of biological activity. In this sense, the present review will focus on efforts made in the last 20 years for the development of more efficient, safer and affordable antimalarial compounds, through recycling the classical quinacrine drug.
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Kozurkova M, Sabolova D, Kristian P. A new look at 9-substituted acridines with various biological activities. J Appl Toxicol 2020; 41:175-189. [PMID: 32969520 DOI: 10.1002/jat.4072] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/27/2020] [Accepted: 08/28/2020] [Indexed: 12/28/2022]
Abstract
Heterocycles have long been the focus of intensive study in attempts to develop novel therapeutic compounds, and acridine, a polynuclear nitrogen molecule containing a heterocycle, has attracted a considerable amount of scientific attention. Acridine derivatives have been studied in detail and have been found to possess multitarget properties, which inhibit topoisomerase enzymes that regulate topological changes in DNA and interfere with the essential biological function of DNA. This article describes some recent advancements in the field of new 9-substituted acridine heterocyclic agents and describes both the structure and the structure-activity relationship of the most promising molecules. The article will also present the IC50 values of the novel derivatives against various human cancer cell lines. The mini review also investigates the topoisomerase inhibition and antibacterial and antimalarial activity of these polycyclic aromatic derivatives.
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Affiliation(s)
- Maria Kozurkova
- Department of Biochemistry, Institute of Chemistry, Faculty of Science, P. J. Šafárik University, Kosice, Slovak Republic.,Biomedical Research Center, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic
| | - Danica Sabolova
- Department of Biochemistry, Institute of Chemistry, Faculty of Science, P. J. Šafárik University, Kosice, Slovak Republic
| | - Pavol Kristian
- Department of Organic Chemistry, Institute of Chemistry, Faculty of Science, P. J. Šafárik University, Kosice, Slovak Republic
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Novel Harmicines with Improved Potency against Plasmodium. Molecules 2020; 25:molecules25194376. [PMID: 32977642 PMCID: PMC7583898 DOI: 10.3390/molecules25194376] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 09/17/2020] [Accepted: 09/22/2020] [Indexed: 12/31/2022] Open
Abstract
Harmicines represent hybrid compounds composed of β-carboline alkaloid harmine and cinnamic acid derivatives (CADs). In this paper we report the synthesis of amide-type harmicines and the evaluation of their biological activity. N-harmicines 5a–f and O-harmicines 6a–h were prepared by a straightforward synthetic procedure, from harmine-based amines and CADs using standard coupling conditions, 1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo [4,5-b]pyridinium 3-oxid hexafluorophosphate (HATU) and N,N-diisopropylethylamine (DIEA). Amide-type harmicines exerted remarkable activity against the erythrocytic stage of P. falciparum, in low submicromolar concentrations, which was significantly more pronounced compared to their antiplasmodial activity against the hepatic stages of P. berghei. Furthermore, a cytotoxicity assay against the human liver hepatocellular carcinoma cell line (HepG2) revealed favorable selectivity indices of the most active harmicines. Molecular dynamics simulations demonstrated the binding of ligands within the ATP binding site of PfHsp90, while the calculated binding free energies confirmed higher activity of N-harmicines 5 over their O-substituted analogues 6. Amino acids predominantly affecting the binding were identified, which provided guidelines for the further derivatization of the harmine framework towards more efficient agents.
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da Silva GC, de Oliveira AM, Machado JCB, Ferreira MRA, de Medeiros PL, Soares LAL, de Souza IA, Paiva PMG, Napoleão TH. Toxicity assessment of saline extract and lectin-rich fraction from Microgramma vacciniifolia rhizome. Toxicon 2020; 187:65-74. [PMID: 32890585 DOI: 10.1016/j.toxicon.2020.08.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 08/21/2020] [Accepted: 08/30/2020] [Indexed: 01/29/2023]
Abstract
Microgramma vacciniifolia is broadly used in folk medicine but safety information is unavailable. Therefore, we evaluated the toxicity of a saline extract and a lectin-rich fraction of M. vacciniifolia rhizome. The extract showed hemolytic activity on mice erythrocytes at 1000 μg/mL, whereas the fraction promoted hemolysis (8.57-26.15%) at all tested concentrations (10-1000 μg/mL). Acute toxicity test in mice indicated an LD50 of >5000 mg/kg. Hematological alterations and increased serum alkaline phosphatase level were observed in the treated animals. Transaminases and urea levels increased in the groups treated with the extract or fraction at 5000 mg/kg. Leukocyte infiltration was observed in the liver of extract-treated animals and in the liver and lungs of mice treated with the fraction. The kidneys of animals treated with the fraction at 5000 mg/kg presented hydropic degeneration. The extract and fraction did not induce oxidative stress in the liver and did not show genotoxicity, as examined by micronucleus and comet assays. In conclusion, the preparations were not lethal to mice but caused some signs of toxicity, mainly the fraction. The results indicated the need to evaluate the toxicity of M. vacciniifolia rhizome in other models and in chronic assays.
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Affiliation(s)
- Gabriela Cavalcante da Silva
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Alisson Macário de Oliveira
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil; Departamento de Farmácia, Centro de Ciências da Saúde, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Janaina Carla Barbosa Machado
- Departamento de Farmácia, Centro de Ciências da Saúde, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | | | - Paloma Lys de Medeiros
- Departamento de Histologia e Embriologia, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Luiz Alberto Lira Soares
- Departamento de Farmácia, Centro de Ciências da Saúde, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Ivone Antônia de Souza
- Departamento de Antibióticos, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Patrícia Maria Guedes Paiva
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Thiago Henrique Napoleão
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil.
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Albino SL, da Silva JM, de C Nobre MS, de M E Silva YMS, Santos MB, de Araújo RSA, do C A de Lima M, Schmitt M, de Moura RO. Bioprospecting of Nitrogenous Heterocyclic Scaffolds with Potential Action for Neglected Parasitosis: A Review. Curr Pharm Des 2020; 26:4112-4150. [PMID: 32611290 DOI: 10.2174/1381612826666200701160904] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 04/24/2020] [Indexed: 11/22/2022]
Abstract
Neglected parasitic diseases are a group of infections currently considered as a worldwide concern. This fact can be attributed to the migration of these diseases to developed and developing countries, associated with therapeutic insufficiency resulted from the low investment in the research and development of new drugs. In order to overcome this situation, bioprospecting supports medicinal chemistry in the identification of new scaffolds with therapeutically appropriate physicochemical and pharmacokinetic properties. Among them, we highlight the nitrogenous heterocyclic compounds, as they are secondary metabolites of many natural products with potential biological activity. The objective of this work was to review studies within a 10-year timeframe (2009- 2019), focusing on the pharmacological application of nitrogen bioprospectives (pyrrole, pyridine, indole, quinoline, acridine, and their respective derivatives) against neglected parasitic infections (malaria, leishmania, trypanosomiases, and schistosomiasis), and their application as a template for semi-synthesis or total synthesis of potential antiparasitic agents. In our studies, it was observed that among the selected articles, there was a higher focus on the attempt to identify and obtain novel antimalarial compounds, in a way that an extensive amount of studies involving all heterocyclic nitrogen nuclei were found. On the other hand, the parasites with the lowest number of publications up until the present date have been trypanosomiasis, especially those caused by Trypanosoma cruzi, and schistosomiasis, where some heterocyclics have not even been cited in recent years. Thus, we conclude that despite the great biodiversity on the planet, little attention has been given to certain neglected tropical diseases, especially those that reach countries with a high poverty rate.
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Affiliation(s)
- Sonaly L Albino
- Universidade Estadual da Paraiba, R. Baraunas, 351, Cidade Universitaria, Campina Grande, Paraiba, 58429-500, Brazil
| | - Jamire M da Silva
- Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitaria, Recife, Pernambuco, 50670-901, Brazil
| | - Michelangela S de C Nobre
- Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitaria, Recife, Pernambuco, 50670-901, Brazil
| | - Yvnni M S de M E Silva
- Universidade Estadual da Paraiba, R. Baraunas, 351, Cidade Universitaria, Campina Grande, Paraiba, 58429-500, Brazil
| | - Mirelly B Santos
- Universidade Estadual da Paraiba, R. Baraunas, 351, Cidade Universitaria, Campina Grande, Paraiba, 58429-500, Brazil
| | - Rodrigo S A de Araújo
- Universidade Estadual da Paraiba, R. Baraunas, 351, Cidade Universitaria, Campina Grande, Paraiba, 58429-500, Brazil
| | - Maria do C A de Lima
- Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitaria, Recife, Pernambuco, 50670-901, Brazil
| | - Martine Schmitt
- Universite de Strasbourg, CNRS, LIT UMR 7200, Laboratoire d'innovation therapeutique, Illkirch, France
| | - Ricardo O de Moura
- Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitaria, Recife, Pernambuco, 50670-901, Brazil
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Eid EM, Hassaneen HME, Elwahy AHM, Abdelhamid IA. Hantzsch-like synthesis of novel bis(hexahydroacridine-1,8-diones), bis(tetrahydrodipyrazolo[3,4- b:4′,3′- e]pyridines), and bis(pyrimido[4,5- b]quinolines) incorporating thieno[2,3- b]thiophenes. JOURNAL OF CHEMICAL RESEARCH 2020. [DOI: 10.1177/1747519820917886] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A novel series of bis(hexahydroacridine-1,8-diones), bis(tetrahydrodipyrazolo[3,4- b:4′,3′- e]pyridines), and bis(pyrimido[4,5- b]quinolines) incorporating a thieno[2,3- b]thiophene core via ether or ester linkages is prepared via a Hantzsch-like reaction.
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Affiliation(s)
- Elshimaa M Eid
- Faculty of Science, Department of Chemistry, Cairo University, Giza, Egypt
| | | | - Ahmed H M Elwahy
- Faculty of Science, Department of Chemistry, Cairo University, Giza, Egypt
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12
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Cinnamic Acid Conjugates in the Rescuing and Repurposing of Classical Antimalarial Drugs. Molecules 2019; 25:molecules25010066. [PMID: 31878190 PMCID: PMC6982862 DOI: 10.3390/molecules25010066] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 12/13/2019] [Accepted: 12/20/2019] [Indexed: 12/13/2022] Open
Abstract
Cinnamic acids are compounds of natural origin that can be found in many different parts of a wide panoply of plants, where they play the most diverse biological roles, often in a conjugated form. For a long time, this has been driving Medicinal Chemists towards the investigation of the therapeutic potential of natural, semi-synthetic, or fully synthetic cinnamic acid conjugates. These efforts have been steadily disclosing promising drug leads, but a wide chemical space remains that deserves to be further explored. Amongst different reported approaches, the combination or conjugation of cinnamic acids with known drugs has been addressed in an attempt to produce either synergistic or multi-target action. In this connection, the present review will focus on efforts of the past decade regarding conjugation with cinnamic acids as a tool for the rescuing or the repurposing of classical antimalarial drugs, and also on future perspectives in this particular field of research.
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13
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Perković I, Raić-Malić S, Fontinha D, Prudêncio M, Pessanha de Carvalho L, Held J, Tandarić T, Vianello R, Zorc B, Rajić Z. Harmicines - harmine and cinnamic acid hybrids as novel antiplasmodial hits. Eur J Med Chem 2019; 187:111927. [PMID: 31812035 DOI: 10.1016/j.ejmech.2019.111927] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 11/28/2019] [Accepted: 11/28/2019] [Indexed: 12/31/2022]
Abstract
Harmicines constitute novel hybrid compounds that combine two agents with reported antiplasmodial properties, namely β-carboline harmine and a cinnamic acid derivative (CAD). Cu(I) catalyzed azide-alkyne cycloaddition was employed for the preparation of three classes of hybrid molecules: N-harmicines 6a-i, O-harmicines 7a-i and N,O-bis-harmicines 8a-g,i. In vitro antiplasmodial activities of harmicines against the erythrocytic stage of Plasmodium falciparum (chloroquine-sensitive Pf3D7 and chloroquine-resistant PfDd2 strains) and hepatic stage of P. berghei, as well as cytotoxicity against human liver hepatocellular carcinoma cell line (HepG2), were evaluated. Remarkably, most of the compounds exerted significant activities against both stages of the Plasmodium life cycle. The conjugation of various CADs to harmine resulted in the increased antiplasmodial activity relative to harmine. In general, O-harmicines 7 exhibited the highest activity against the erythrocytic stage of both P. falciparum strains, whereas N,O-bis harmicines 8 showed the most pronounced activity against P. berghei hepatic stages. For the latter compound, molecular dynamics simulations confirmed binding within the ATP binding site of PfHsp90, while the weaker binders, namely 6b and harmine, were found to be positioned away from this structural element. In addition, decomposition of the computed binding free energies into contributions from individual residues suggested guidelines for further derivatization of harmine towards more efficient compounds. Cytotoxicity screening revealed N-harmicines 6 as the least, and O-harmicines 7 as the most toxic compounds. Harmicines 6g, 8b and 6d exerted the most selective action towards Plasmodium over human cells, respectively. These results establish harmicines as hits for future optimisation and development of novel antiplasmodial agents.
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Affiliation(s)
- Ivana Perković
- University of Zagreb Faculty of Pharmacy and Biochemistry, A. Kovačića 1, 10000, Zagreb, Croatia.
| | - Silvana Raić-Malić
- University of Zagreb Faculty of Chemical Engineering and Technology, Marulićev trg 19, 10000, Zagreb, Croatia
| | - Diana Fontinha
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Miguel Prudêncio
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | | | - Jana Held
- University of Tübingen, Institute of Tropical Medicine, Wilhelmstraße 27, 72074, Tübingen, Germany
| | - Tana Tandarić
- Rudjer Bošković Institute, Division of Organic Chemistry and Biochemistry, 10 000, Zagreb, Croatia
| | - Robert Vianello
- Rudjer Bošković Institute, Division of Organic Chemistry and Biochemistry, 10 000, Zagreb, Croatia
| | - Branka Zorc
- University of Zagreb Faculty of Pharmacy and Biochemistry, A. Kovačića 1, 10000, Zagreb, Croatia
| | - Zrinka Rajić
- University of Zagreb Faculty of Pharmacy and Biochemistry, A. Kovačića 1, 10000, Zagreb, Croatia.
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Feng LS, Xu Z, Chang L, Li C, Yan XF, Gao C, Ding C, Zhao F, Shi F, Wu X. Hybrid molecules with potential in vitro antiplasmodial and in vivo antimalarial activity against drug-resistant Plasmodium falciparum. Med Res Rev 2019; 40:931-971. [PMID: 31692025 DOI: 10.1002/med.21643] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/16/2019] [Accepted: 10/08/2019] [Indexed: 12/12/2022]
Abstract
Malaria is a tropical disease, leading to around half a million deaths annually. Antimalarials such as quinolines are crucial to fight against malaria, but malaria control is extremely challenged by the limited pipeline of effective pharmaceuticals against drug-resistant strains of Plasmodium falciparum which are resistant toward almost all currently accessible antimalarials. To tackle the growing resistance, new antimalarial drugs are needed urgently. Hybrid molecules which contain two or more pharmacophores have the potential to overcome the drug resistance, and hybridization of quinoline privileged antimalarial building block with other antimalarial pharmacophores may provide novel molecules with enhanced in vitro and in vivo activity against drug-resistant (including multidrug-resistant) P falciparum. In recent years, numerous of quinoline hybrids were developed, and their activities against a panel of drug-resistant P falciparum strains were screened. Some of quinoline hybrids were found to possess promising in vitro and in vivo potency. This review emphasized quinoline hybrid molecules with potential in vitro antiplasmodial and in vivo antimalarial activity against drug-resistant P falciparum, covering articles published between 2010 and 2019.
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Affiliation(s)
| | - Zhi Xu
- Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Le Chang
- WuXi AppTec Co, Ltd, Wuhan, China
| | - Chuan Li
- WuXi AppTec Co, Ltd, Wuhan, China
| | | | | | | | | | - Feng Shi
- WuXi AppTec Co, Ltd, Wuhan, China
| | - Xiang Wu
- WuXi AppTec Co, Ltd, Wuhan, China
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Salama SK, Darweesh AF, Abdelhamid IA, Elwahy AHM. p-TSA Catalyzed One-Pot Synthesis of Some Novel Bis(Hexahydroacridine-1,8-Diones) and Bis(Tetrahydrodipyrazolo[3,4-b:4′,3′-e]Pyridines) Derivatives. Polycycl Aromat Compd 2019. [DOI: 10.1080/10406638.2019.1678184] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Soad K. Salama
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Ahmed F. Darweesh
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
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Fonte M, Fagundes N, Gomes A, Ferraz R, Prudêncio C, Araújo MJ, Gomes P, Teixeira C. Development of a synthetic route towards N4,N9-disubstituted 4,9-diaminoacridines: On the way to multi-stage antimalarials. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.03.052] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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17
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Insights into the mechanism of antiproliferative effects of primaquine-cinnamic acid conjugates on MCF-7 cells. ACTA PHARMACEUTICA (ZAGREB, CROATIA) 2018; 68:337-348. [PMID: 31259699 DOI: 10.2478/acph-2018-0021] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/29/2018] [Indexed: 11/21/2022]
Abstract
In our previous paper, we showed that three primaquine-cinnamic acid conjugates composed of primaquine (PQ) residue and cinnamic acid derivatives (CADs) bound directly by an amide linkage (1) or through an acylsemicarbazide spacer (2 and 3) had significant growth inhibitory effects on some cancer cell lines. Compound 1 induced significant growth inhibition in the colorectal adenocarcinoma (SW620), human breast adenocarcinoma (MCF-7) and cervical carcinoma (HeLa) cell lines, while compounds 2 and 3 selectively inhibited the growth of MCF-7 cells. To better understand the underlying mechanisms of action of these PQ-CADs, morphological studies of the effects of test compounds on MCF-7 cells were undertaken using haematoxylin and eosin stain. Further analysis to determine the effects of test compounds on caspase activity and on the levels of apoptosis proteins were undertaken using the enzyme-linked immunosorbent assay (ELISA). Haematoxylin and eosin staining revealed that compounds 1 and 3 induced morphological changes in MCF-7 cells characteristic of apoptosis, while 2-treated cells were in interphase. Cell cycle analysis showed that cells treated with 1 and 3 were in sub-G1, while cells treated with 2 were mainly in interphase (G1 phase). Further, the study showed that the treatment of MCF-7 cells with 1 and 3 resulted in poly ADP ribose polymerase (PARP) cleavage as well as caspase-9 activation, indicating that they induced apoptotic cell death. We further investigated their effects on two important processes during metastasis, namely, migration and invasion. Compounds 1 and 3 inhibited the migration and invasion of MCF-7 cells, while compound 2 had a marginal effect.
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Density functional theory molecular modeling and antimicrobial behaviour of selected 1,2,3,4,5,6,7,8-octahydroacridine-N(10)-oxides. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.05.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Gomes A, Fernandes I, Teixeira C, Mateus N, Sottomayor MJ, Gomes P. A Quinacrine Analogue Selective Against Gastric Cancer Cells: Insight from Biochemical and Biophysical Studies. ChemMedChem 2016; 11:2703-2712. [PMID: 27863116 DOI: 10.1002/cmdc.201600477] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 11/11/2016] [Indexed: 12/29/2022]
Abstract
One of the earliest synthetic antimalarial drugs, quinacrine, was recently reported as interesting for the treatment of acute myeloid leukemia. Inspired by this and similar findings, we evaluated a set of quinacrine analogues against gastric (MKN-28), colon (Caco-2), and breast (MFC-7) cancer cell lines and one normal human fibroblast cell line (HFF-1). All the compounds, previously developed by us as dual-stage antimalarial leads, displayed antiproliferative activity, and one of the set stood out as selective toward the gastric cancer cell line, MKN-28. Interestingly, this compound was transported across an in vitro MKN-28 model cell line in low amounts, and approximately 80 % was trapped inside those cells. Nuclear targeting of the same compound and its interactions with calf thymus DNA were assessed through combined fluorescence microscopy, spectroscopy, and calorimetry studies, which provided evidence for the compound's ability to reach the nucleus and to interact with DNA.
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Affiliation(s)
- Ana Gomes
- UCIBIO-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007, Porto, Portugal
| | - Iva Fernandes
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007, Porto, Portugal
| | - Cátia Teixeira
- UCIBIO-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007, Porto, Portugal
| | - Nuno Mateus
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007, Porto, Portugal
| | - M J Sottomayor
- CIQ-UP, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007, Porto, Portugal
| | - Paula Gomes
- UCIBIO-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007, Porto, Portugal
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Pavić K, Perković I, Gilja P, Kozlina F, Ester K, Kralj M, Schols D, Hadjipavlou-Litina D, Pontiki E, Zorc B. Design, Synthesis and Biological Evaluation of Novel Primaquine-Cinnamic Acid Conjugates of the Amide and Acylsemicarbazide Type. Molecules 2016; 21:E1629. [PMID: 27916811 PMCID: PMC6273687 DOI: 10.3390/molecules21121629] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 11/16/2016] [Accepted: 11/24/2016] [Indexed: 11/17/2022] Open
Abstract
In this paper design and synthesis of a scaffold comprising primaquine (PQ) motif and cinnamic acid derivatives (CADs) bound directly (compounds 3a-k) or via a spacer (compounds 7a-k) are reported. In the first series of compounds, PQ and various CADs were connected by amide bonds and in the second series by acylsemicarbazide functional groups built from the PQ amino group, CONHNH spacer and the carbonyl group originating from the CADs. PQ-CAD amides 3a-k were prepared by a simple one-step condensation reaction of PQ with a series of CAD chlorides (method A) or benzotriazolides 2 (method B). The synthesis of acylsemicarbazides 7a-k included activation of PQ with benzotriazole, preparation of PQ-semicarbazide 6 and its condensation with CAD chlorides 4. All synthesized PQ-CAD conjugates were evaluated for their anticancer, antiviral and antioxidative activities. Almost all compounds from series 3 were selective towards the MCF-7 cell line and active at micromolar concentrations. The o-fluoro derivative 3h showed high activity against HeLa, MCF-7 and in particular against the SW 620 cell line, while acylsemicarbazide 7f with a benzodioxole ring and 7c, 7g and especially 7j with methoxy-, chloro- or trifluoromethyl-substituents in the para position showed high selectivity and high inhibitory activity against MCF-7 cell line at micromolar (7c, 7f, 7g) and nanomolar (7j) levels. Acylsemicarbazide derivatives with trifluoromethyl group(s) 7i, 7j and 7k showed specific activity against human coronavirus (229E) at concentrations which did not alter the normal cell morphology. The same compounds exerted the most potent reducing activity in the DPPH test, together with 7d and 7g, while methoxy (compounds 7c-e), benzodioxole (7f), p-Cl (7g) and m-CF₃ (7i) acylsemicarbazides and amide 3f presented the highest LP inhibition (83%-89%). The dimethoxy derivative 7d was the most potent LOX inhibitor (IC50 = 10 μΜ). The performed biological tests gave evidence of acylsemicarbazide functional group as superior binding group in PQ-CAD conjugates.
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Affiliation(s)
- Kristina Pavić
- Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, HR-10 000 Zagreb, Croatia.
| | - Ivana Perković
- Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, HR-10 000 Zagreb, Croatia.
| | - Petra Gilja
- Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, HR-10 000 Zagreb, Croatia.
| | - Filip Kozlina
- Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, HR-10 000 Zagreb, Croatia.
| | - Katja Ester
- Division of Molecular Medicine, Rudjer Bošković Institute, Bijenička cesta 54, HR-10 000 Zagreb, Croatia.
| | - Marijeta Kralj
- Division of Molecular Medicine, Rudjer Bošković Institute, Bijenička cesta 54, HR-10 000 Zagreb, Croatia.
| | - Dominique Schols
- Rega Institute for Medical Research, Katholieke Universiteit Leuven, Minderbroedersstraat 10, B-3000 Leuven, Belgium.
| | - Dimitra Hadjipavlou-Litina
- Faculty of Health Sciences, School of Pharmacy, Aristotles University of Thessaloniki, Thessaloniki 54 124, Greece.
| | - Eleni Pontiki
- Faculty of Health Sciences, School of Pharmacy, Aristotles University of Thessaloniki, Thessaloniki 54 124, Greece.
| | - Branka Zorc
- Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, HR-10 000 Zagreb, Croatia.
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Conjugation of N-acylhydrazone and 1,2,4-oxadiazole leads to the identification of active antimalarial agents. Bioorg Med Chem 2016; 24:5693-5701. [PMID: 27667552 DOI: 10.1016/j.bmc.2016.09.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 09/04/2016] [Accepted: 09/07/2016] [Indexed: 11/23/2022]
Abstract
Malaria, caused by several Plasmodium species, is the major life-threatening parasitic infection worldwide. Due to the parasite resistance to quinoline based drugs, the search for antimalarial agents is necessary. Here, we report the structural design, synthesis and antiparasitic evaluation of two novel series of 1,2,4-oxadiazoles in conjugation to N-acylhydrazones, both groups recognized as privileged structures, as well as the studies on the antimalarial activity of 16 previous described analogues. By varying substituents attached to the phenyl ring, it was possible to retain, enhance or increase the antiparasitic activity in comparison to the nonsubstituted derivatives. Replacement of substituted aryl rings by ferrocenyl and cinnamyl moieties attached in the N-acylhydrazone ablated the antiparasitic response, evidencing the structural features associated with the activity. Active compounds exhibited in vitro potency similar to mefloquine, but not all inhibited β-hematin formation. Additionally, the active compounds displayed low cytotoxicity in HepG2 cells and did not cause hemolysis in uninfected erythrocytes. In Plasmodium berghei-infected mice, the compounds reduced parasitemia but exhibited limited efficacy in increasing mice survival when compared to chloroquine, suggesting that pharmacological improvement is still necessary.
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Mokgethi-Morule T, N'Da DD. Cell based assays for anti-Plasmodium activity evaluation. Eur J Pharm Sci 2016; 84:26-36. [PMID: 26776968 DOI: 10.1016/j.ejps.2016.01.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 12/28/2015] [Accepted: 01/02/2016] [Indexed: 10/22/2022]
Abstract
Malaria remains one of the most common and deadly infectious diseases worldwide. The severity of this global public health challenge is reflected by the approximately 198 million people, who were reportedly infected in 2013 and by the more than 584,000 related deaths in that same year. The rising emergence of drug resistance towards the once effective artemisinin combination therapies (ACTs) has become a serious concern and warrants more robust drug development strategies, with the objective of eradicating malaria infections. The intricate biology and life cycle of Plasmodium parasites complicate the understanding of the disease in such a way that would enhance the development of more effective chemotherapies that would achieve radical clinical cure and that would prevent disease relapse. Phenotypic cell based assays have for long been a valuable approach and involve the screening and analysis of diverse compounds with regards to their activities towards whole Plasmodium parasites in vitro. To achieve the Millennium Development Goal (MDG) of malaria eradication by 2020, new generation drugs that are active against all parasite stages (erythrocytic (blood), exo-erythrocytic (liver stages and gametocytes)) are needed. Significant advances are being made in assay development to overcome some of the practical challenges of assessing drug efficacy, particularly in the liver and transmission stage Plasmodium models. This review discusses primary screening models and the fundamental progress being made in whole cell based efficacy screens of anti-malarial activity. Ongoing challenges and some opportunities for improvements in assay development that would assist in the discovery of effective, safe and affordable drugs for malaria treatments are also discussed.
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Affiliation(s)
- Thabang Mokgethi-Morule
- Drug Design, Centre of Excellence for Pharmaceutical Sciences (PHARMACEN), North-West University, Potchefstroom 2520, South Africa
| | - David D N'Da
- Drug Design, Centre of Excellence for Pharmaceutical Sciences (PHARMACEN), North-West University, Potchefstroom 2520, South Africa.
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23
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Kundu CN, Das S, Nayak A, Satapathy SR, Das D, Siddharth S. Anti-malarials are anti-cancers and vice versa - one arrow two sparrows. Acta Trop 2015; 149:113-27. [PMID: 25963804 DOI: 10.1016/j.actatropica.2015.03.028] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 03/11/2015] [Accepted: 03/15/2015] [Indexed: 12/14/2022]
Abstract
Repurposing is the novel means of drug discovery in modern science due to its affordability, safety and availability. Here, we systematically discussed the efficacy and mode of action of multiple bioactive, synthetic compounds and their potential derivatives which are used to treat/prevent malaria and cancer. We have also discussed the detailed molecular pathway involved in anti-cancer potentiality of an anti-malarial drug and vice versa. Although the causative agents, pathophysiology and manifestation of both the diseases are different but special emphasis has been given on similar pathways governing disease manifestation and the drugs which act through deregulating those pathways. Finally, a future direction has been speculated to combat these two diseases by a single agent developed using nanotechnology. Extended combination and new formulation of existing drugs for one disease may lead to the discovery of drug for other diseases like an arrow for two sparrows.
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Affiliation(s)
- Chanakya Nath Kundu
- School of Biotechnology, Department of Cancer Biology, KIIT University, Campus-11, Patia, Bhubaneswar, Odisha 751024, India.
| | - Sarita Das
- School of Biotechnology, Department of Cancer Biology, KIIT University, Campus-11, Patia, Bhubaneswar, Odisha 751024, India
| | - Anmada Nayak
- School of Biotechnology, Department of Cancer Biology, KIIT University, Campus-11, Patia, Bhubaneswar, Odisha 751024, India
| | - Shakti Ranjan Satapathy
- School of Biotechnology, Department of Cancer Biology, KIIT University, Campus-11, Patia, Bhubaneswar, Odisha 751024, India
| | - Dipon Das
- School of Biotechnology, Department of Cancer Biology, KIIT University, Campus-11, Patia, Bhubaneswar, Odisha 751024, India
| | - Sumit Siddharth
- School of Biotechnology, Department of Cancer Biology, KIIT University, Campus-11, Patia, Bhubaneswar, Odisha 751024, India
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Gunia-Krzyżak A, Pańczyk K, Waszkielewicz AM, Marona H. Cinnamamide Derivatives for Central and Peripheral Nervous System Disorders--A Review of Structure-Activity Relationships. ChemMedChem 2015; 10:1302-25. [PMID: 26083325 DOI: 10.1002/cmdc.201500153] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Indexed: 12/17/2022]
Abstract
The cinnamamide scaffold has been incorporated in to the structure of numerous organic compounds with therapeutic potential. The scaffold enables multiple interactions, such as hydrophobic, dipolar, and hydrogen bonding, with important molecular targets. Additionally, the scaffold has multiple substitution options providing the opportunity to optimize and modify the pharmacological activity of the derivatives. In particular, cinnamamide derivatives have exhibited therapeutic potential in animal models of both central and peripheral nervous system disorders. Some have undergone clinical trials and were introduced on to the pharmaceutical market. The diverse activities observed in the nervous system included anticonvulsant, antidepressant, neuroprotective, analgesic, anti-inflammatory, muscle relaxant, and sedative properties. Over the last decade, research has focused on the molecular mechanisms of action of these derivatives, and the data reported in the literature include targeting the γ-aminobutyric acid type A (GABAA ) receptors, N-methyl-D-aspartate (NMDA) receptors, transient receptor potential (TRP) cation channels, voltage-gated potassium channels, histone deacetylases (HDACs), prostanoid receptors, opioid receptors, and histamine H3 receptors. Here, the literature data from reports evaluating cinnamic acid amide derivatives for activity in target-based or phenotypic assays, both in vivo and in vitro, relevant to disorders of the central and peripheral nervous systems are analyzed and structure-activity relationships discussed.
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Affiliation(s)
- Agnieszka Gunia-Krzyżak
- Department of Bioorganic Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow (Poland).
| | - Katarzyna Pańczyk
- Department of Bioorganic Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow (Poland)
| | - Anna M Waszkielewicz
- Department of Bioorganic Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow (Poland)
| | - Henryk Marona
- Department of Bioorganic Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow (Poland)
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25
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Gomes A, Machado M, Lobo L, Nogueira F, Prudêncio M, Teixeira C, Gomes P. N-Cinnamoylation of Antimalarial Classics: Effects of Using Acyl Groups Other than Cinnamoyl toward Dual-Stage Antimalarials. ChemMedChem 2015; 10:1344-9. [PMID: 26038181 DOI: 10.1002/cmdc.201500164] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Indexed: 01/08/2023]
Abstract
In a follow-up study to our reports of N-cinnamoylated chloroquine and quinacrine analogues as promising dual-stage antimalarial leads with high in vitro potency against both blood-stage Plasmodium falciparum and liver-stage Plasmodium berghei, we decided to investigate the effect of replacing the cinnamoyl moiety with other acyl groups. Thus, a series of N-acylated analogues were synthesized, and their activities against blood- and liver-stage Plasmodium spp. were assessed along with their in vitro cytotoxicities. Although the new N-acylated analogues were found to be somewhat less active and more cytotoxic than their N-cinnamoylated counterparts, they equally displayed nanomolar activities in vitro against blood-stage drug-sensitive and drug-resistant P. falciparum, and significant in vitro liver-stage activity against P. berghei. Therefore, it is demonstrated that simple N-acylated surrogates of classical antimalarial drugs are promising dual-stage antimalarial leads.
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Affiliation(s)
- Ana Gomes
- CICECO, Departamento de Química, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro (Portugal)
| | - Marta Machado
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa (Portugal)
| | - Lis Lobo
- Centro de Malária e Outras Doenças Tropicais, Instituto de Higiene e Medicina Tropical, R. da Junqueira 100, 1349-008 Lisboa (Portugal)
| | - Fátima Nogueira
- Centro de Malária e Outras Doenças Tropicais, Instituto de Higiene e Medicina Tropical, R. da Junqueira 100, 1349-008 Lisboa (Portugal)
| | - Miguel Prudêncio
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa (Portugal)
| | - Cátia Teixeira
- CICECO, Departamento de Química, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro (Portugal).
| | - Paula Gomes
- UCIBIO-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto (Portugal).
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26
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Teixeira C, Vale N, Pérez B, Gomes A, Gomes JRB, Gomes P. "Recycling" classical drugs for malaria. Chem Rev 2014; 114:11164-220. [PMID: 25329927 DOI: 10.1021/cr500123g] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Cátia Teixeira
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal.,CICECO, Departamento de Química, Universidade de Aveiro , P-3810-193 Aveiro, Portugal
| | - Nuno Vale
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal
| | - Bianca Pérez
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal
| | - Ana Gomes
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal
| | - José R B Gomes
- CICECO, Departamento de Química, Universidade de Aveiro , P-3810-193 Aveiro, Portugal
| | - Paula Gomes
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal
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27
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Joubert JP, Smit FJ, du Plessis L, Smith PJ, N’Da DD. Synthesis and in vitro biological evaluation of aminoacridines and artemisinin–acridine hybrids. Eur J Pharm Sci 2014; 56:16-27. [DOI: 10.1016/j.ejps.2014.01.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 01/13/2014] [Accepted: 01/29/2014] [Indexed: 01/16/2023]
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28
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Gomes A, Pérez B, Albuquerque I, Machado M, Prudêncio M, Nogueira F, Teixeira C, Gomes P. N-cinnamoylation of antimalarial classics: quinacrine analogues with decreased toxicity and dual-stage activity. ChemMedChem 2013; 9:305-10. [PMID: 24474655 DOI: 10.1002/cmdc.201300459] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Indexed: 11/07/2022]
Abstract
Plasmodium falciparum, the causative agent of the most lethal form of malaria, is becoming increasingly resistant to most available drugs. A convenient approach to combat parasite resistance is the development of analogues of classical antimalarial agents, appropriately modified in order to restore their relevance in antimalarial chemotherapy. Following this line of thought, the design, synthesis and in vitro evaluation of N-cinnamoylated quinacrine surrogates, 9-(N-cinnamoylaminobutyl)-amino-6-chloro-2-methoxyacridines, is reported. The compounds were found to be highly potent against both blood-stage P.falciparum, chloroquine-sensitive 3D7 (IC50 =17.0-39.0 nM) and chloroquine-resistant W2 and Dd2 strains (IC50 =3.2-41.2 and 27.1-131.0 nM, respectively), and liver-stage P.berghei (IC50 =1.6-4.9 μM) parasites. These findings bring new hope for the possible future "rise of a fallen angel" in antimalarial chemotherapy, with a potential resurgence of quinacrine-related compounds as dual-stage antimalarial leads.
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Affiliation(s)
- Ana Gomes
- Centro de Investigação em Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, R. do Campo Alegre, 4169-007 Porto (Portugal)
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Liu H, Tekwani BL, Nanayakkara NPD, Walker LA, Doerksen RJ. Methemoglobin generation by 8-aminoquinolines: effect of substitution at 5-position of primaquine. Chem Res Toxicol 2013; 26:1801-9. [PMID: 24224488 DOI: 10.1021/tx400067a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Currently, the only clinically approved antimalarial drug to treat relapsing malaria is primaquine (PQ), yet PQ administration can cause life-threatening hemolytic anemia in some patients. In our efforts to understand the connection between PQ and methemoglobin formation, the effect of 5-substituted primaquine derivatives on the basicity of hemoglobin-bound O2 was investigated using various computational methods, including quantum mechanics/molecular mechanics (QM/MM) calculations, molecular dynamics simulations and density functional theory calculations, to determine the geometries, relative energies, spin densities, proton affinities and ionization potentials of various PQ derivatives and PQ···hemoglobin complexes. We found that the protein environment and solvent do not change our previously proposed methemoglobin formation mechanism that 5-hydroxyprimaquine donates an electron to O2, facilitating its conversion to H2O2 and generating methemoglobin. Because of 5-hydroxyprimaquine's ability to lose an electron by this mechanism, we then used different substituents at primaquine's 5-position and found that an electron-withdrawing group (EWG) increases the ionization potential of the corresponding derivative. As a result, the EWG-substituted derivatives make the hemoglobin-bound O2 less basic, because of their weaker electron-donating ability. These derivatives hence are predicted to have a lower propensity to generate methemoglobin, which can inform future design of less hemotoxic antimalarial drugs. We also carried out experimental measurement of methemoglobin formation for some of the 5-substituted derivatives.
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Affiliation(s)
- Haining Liu
- Department of Medicinal Chemistry, ‡National Center for Natural Products Research, and §Department of Pharmacology, University of Mississippi , University, Mississippi 38677, United States
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Trzybiński D, Sikorski A. Solvent-bridged frameworks of hydrogen bonds in crystals of 9-aminoacridinium halides. CrystEngComm 2013. [DOI: 10.1039/c3ce41027g] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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