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Kumar A, Agarwal D, Sharma B, Gupta RD, Awasthi SK. Diversified Synthesis of N-Benzoyl Piperidine Tetraoxane Analogues Using Molybdenum Trioxide as a Newer Catalyst and Its Antiplasmodial Activity. ACS OMEGA 2024; 9:31611-31619. [PMID: 39072079 PMCID: PMC11270734 DOI: 10.1021/acsomega.4c01628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 05/10/2024] [Accepted: 05/28/2024] [Indexed: 07/30/2024]
Abstract
Molybdenum trioxide has been proven to be an efficient catalyst in synthesizing mixed N-benzoyl piperidine dispiro-1,2,4,5-tetraoxane analogues using a one-pot reaction. This catalyst facilitated the synthesis of 21 tetraoxanes using cyclic, acyclic, and aromatic ketones. The structure and methodology of this reaction have been validated by single-crystal X-ray analysis of compound ″3g″. The nature of dispiro-1,2,4,5-tetraoxane being synthesized has an impact on the overall yield of tetraoxanes such as symmetric dispiro-1,2,4,5-tetraoxanes ranging from 53 to 82%, while yields of N-benzoyl piperidine dispiro-1,2,4,5-tetraoxanes ranged from 26 to 51%. Additionally, the in vitro antiplasmodial activity of the newly developed tetraoxanes against Plasmodium falciparum was assessed, which exhibited significantly higher activity in the nanomolar range, with values ranging from 6.35 to 44.65 nM. Molecular docking studies revealed that newer tetraoxane derivatives bind to the active site of the falcipain-2 enzyme through H-bonding and hydrophobic contacts, which are the primary indicators of the effectiveness of the synthesized compounds. Findings suggest that these peculiar compounds may act as antiplasmodial agents, which spur further study and advancement in the battle against malaria.
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Affiliation(s)
- Arvind Kumar
- Chemical
Biology Laboratory, Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Drishti Agarwal
- Chemical
Biology Laboratory, Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Bhawana Sharma
- Chemical
Biology Laboratory, Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Rinkoo Devi Gupta
- Faculty
of Life Sciences and Biotechnology, South
Asian University, New Delhi 110021, India
| | - Satish Kumar Awasthi
- Chemical
Biology Laboratory, Department of Chemistry, University of Delhi, Delhi 110007, India
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2
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Shukla M, Rathi K, Hassam M, Yadav DK, Karnatak M, Rawat V, Verma VP. An overview on the antimalarial activity of 1,2,4-trioxanes, 1,2,4-trioxolanes and 1,2,4,5-tetraoxanes. Med Res Rev 2024; 44:66-137. [PMID: 37222435 DOI: 10.1002/med.21979] [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: 03/01/2022] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 05/25/2023]
Abstract
The demand for novel, fast-acting, and effective antimalarial medications is increasing exponentially. Multidrug resistant forms of malarial parasites, which are rapidly spreading, pose a serious threat to global health. Drug resistance has been addressed using a variety of strategies, such as targeted therapies, the hybrid drug idea, the development of advanced analogues of pre-existing drugs, and the hybrid model of resistant strains control mechanisms. Additionally, the demand for discovering new potent drugs grows due to the prolonged life cycle of conventional therapy brought on by the emergence of resistant strains and ongoing changes in existing therapies. The 1,2,4-trioxane ring system in artemisinin (ART) is the most significant endoperoxide structural scaffold and is thought to be the key pharmacophoric moiety required for the pharmacodynamic potential of endoperoxide-based antimalarials. Several derivatives of artemisinin have also been found as potential treatments for multidrug-resistant strain in this area. Many 1,2,4-trioxanes, 1,2,4-trioxolanes, and 1,2,4,5-tetraoxanes derivatives have been synthesised as a result, and many of these have shown promise antimalarial activity both in vivo and in vitro against Plasmodium parasites. As a consequence, efforts to develop a functionally straight-forward, less expensive, and vastly more effective synthetic pathway to trioxanes continue. This study aims to give a thorough examination of the biological properties and mode of action of endoperoxide compounds derived from 1,2,4-trioxane-based functional scaffolds. The present system of 1,2,4-trioxane, 1,2,4-trioxolane, and 1,2,4,5-tetraoxane compounds and dimers with potentially antimalarial activity will be highlighted in this systematic review (January 1963-December 2022).
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Affiliation(s)
- Monika Shukla
- Department of Chemistry, Banasthali University, Newai, Rajasthan, India
| | - Komal Rathi
- Department of Chemistry, Banasthali University, Newai, Rajasthan, India
| | - Mohammad Hassam
- Department of Chemistry, Chemveda Life Sciences Pvt Ltd, Hyderabad, Telangana, India
| | - Dinesh Kumar Yadav
- Department of Chemistry, Mohanlal Sukhadia University, Udaipur, Rajasthan, India
| | - Manvika Karnatak
- Department of Chemistry, Banasthali University, Newai, Rajasthan, India
| | - Varun Rawat
- School of Chemistry, Tel Aviv University, Tel Aviv, Israel
| | - Ved Prakash Verma
- Department of Chemistry, Banasthali University, Newai, Rajasthan, India
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3
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Amado PSM, Jesus AJL, Paixão JA, Fausto R, Cristiano MLS. Unravelling the structure of peroxides with antiparasitic activity: relative impact of a trioxolane or a tetraoxane pharmacophore on the overall molecular structure. Chempluschem 2022; 87:e202200207. [DOI: 10.1002/cplu.202200207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/04/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Patrícia S. M. Amado
- University of Algarve Faculty of Science and Technology: Universidade do Algarve Faculdade de Ciencias e Tecnologia Chemistry and Pharmacy PORTUGAL
| | - A. J. Lopes Jesus
- University of Coimbra Faculty of Pharmacy: Universidade de Coimbra Faculdade de Farmacia Chemistry PORTUGAL
| | - José A. Paixão
- University of Coimbra Faculty of Sciences and Technology: Universidade de Coimbra Faculdade de Ciencias e Tecnologia Department of Physics PORTUGAL
| | - Rui Fausto
- University of Coimbra Faculty of Sciences and Technology: Universidade de Coimbra Faculdade de Ciencias e Tecnologia Department of Chemistry PORTUGAL
| | - M. Lurdes S. Cristiano
- Universidade do Algarve Faculdade de Ciencias e Tecnologia Quimica e Farmácia Campus de Gambelas 8005-139 Faro PORTUGAL
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4
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Ismail HM, Barton VE, Panchana M, Charoensutthivarakul S, Biagini GA, Ward SA, O'Neill PM. A Click Chemistry-Based Proteomic Approach Reveals that 1,2,4-Trioxolane and Artemisinin Antimalarials Share a Common Protein Alkylation Profile. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 128:6511-6515. [PMID: 27397940 PMCID: PMC4934454 DOI: 10.1002/ange.201512062] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 02/19/2016] [Indexed: 12/12/2022]
Abstract
In spite of the recent increase in endoperoxide antimalarials under development, it remains unclear if all these chemotypes share a common mechanism of action. This is important since it will influence cross-resistance risks between the different classes. Here we investigate this proposition using novel clickable 1,2,4-trioxolane activity based protein-profiling probes (ABPPs). ABPPs with potent antimalarial activity were able to alkylate protein target(s) within the asexual erythrocytic stage of Plasmodium falciparum (3D7). Importantly, comparison of the alkylation fingerprint with that generated from an artemisinin ABPP equivalent confirms a highly conserved alkylation profile, with both endoperoxide classes targeting proteins in the glycolytic, hemoglobin degradation, antioxidant defence, protein synthesis and protein stress pathways, essential biological processes for plasmodial survival. The alkylation signatures of the two chemotypes show significant overlap (ca. 90 %) both qualitatively and semi-quantitatively, suggesting a common mechanism of action that raises concerns about potential cross-resistance liabilities.
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Affiliation(s)
- Hanafy M. Ismail
- Research Centre for Drugs and DiagnosticsLiverpool School of Tropical MedicinePembroke PlaceLiverpoolL3 5QAUK
| | | | - Matthew Panchana
- Research Centre for Drugs and DiagnosticsLiverpool School of Tropical MedicinePembroke PlaceLiverpoolL3 5QAUK
| | | | - Giancarlo A. Biagini
- Research Centre for Drugs and DiagnosticsLiverpool School of Tropical MedicinePembroke PlaceLiverpoolL3 5QAUK
| | - Stephen A. Ward
- Research Centre for Drugs and DiagnosticsLiverpool School of Tropical MedicinePembroke PlaceLiverpoolL3 5QAUK
| | - Paul M. O'Neill
- Department of ChemistryUniversity of LiverpoolLiverpoolL69 7ZDUK
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5
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Ismail HM, Barton VE, Panchana M, Charoensutthivarakul S, Biagini GA, Ward SA, O'Neill PM. A Click Chemistry-Based Proteomic Approach Reveals that 1,2,4-Trioxolane and Artemisinin Antimalarials Share a Common Protein Alkylation Profile. Angew Chem Int Ed Engl 2016; 55:6401-5. [PMID: 27089538 PMCID: PMC4934138 DOI: 10.1002/anie.201512062] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 02/19/2016] [Indexed: 12/11/2022]
Abstract
In spite of the recent increase in endoperoxide antimalarials under development, it remains unclear if all these chemotypes share a common mechanism of action. This is important since it will influence cross-resistance risks between the different classes. Here we investigate this proposition using novel clickable 1,2,4-trioxolane activity based protein-profiling probes (ABPPs). ABPPs with potent antimalarial activity were able to alkylate protein target(s) within the asexual erythrocytic stage of Plasmodium falciparum (3D7). Importantly, comparison of the alkylation fingerprint with that generated from an artemisinin ABPP equivalent confirms a highly conserved alkylation profile, with both endoperoxide classes targeting proteins in the glycolytic, hemoglobin degradation, antioxidant defence, protein synthesis and protein stress pathways, essential biological processes for plasmodial survival. The alkylation signatures of the two chemotypes show significant overlap (ca. 90 %) both qualitatively and semi-quantitatively, suggesting a common mechanism of action that raises concerns about potential cross-resistance liabilities.
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Affiliation(s)
- Hanafy M Ismail
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Victoria E Barton
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Matthew Panchana
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | | | - Giancarlo A Biagini
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Stephen A Ward
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Paul M O'Neill
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK.
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Maity S, Parhi B, Ghorai P. Enantio- and Diastereoselective Synthesis ofexo-Peroxyacetals: An Organocatalyzed Peroxyhemiacetalization/oxa-Michael Addition Cascade. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201511165] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Sanjay Maity
- Department of Chemistry; Indian Institute of Science Education and Research (IISER) Bhopal; Bhopal By-pass Road, Bhauri Bhopal- 462066 India
| | - Biswajit Parhi
- Department of Chemistry; Indian Institute of Science Education and Research (IISER) Bhopal; Bhopal By-pass Road, Bhauri Bhopal- 462066 India
| | - Prasanta Ghorai
- Department of Chemistry; Indian Institute of Science Education and Research (IISER) Bhopal; Bhopal By-pass Road, Bhauri Bhopal- 462066 India
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7
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Maity S, Parhi B, Ghorai P. Enantio- and Diastereoselective Synthesis ofexo-Peroxyacetals: An Organocatalyzed Peroxyhemiacetalization/oxa-Michael Addition Cascade. Angew Chem Int Ed Engl 2016; 55:7723-7. [DOI: 10.1002/anie.201511165] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 01/04/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Sanjay Maity
- Department of Chemistry; Indian Institute of Science Education and Research (IISER) Bhopal; Bhopal By-pass Road, Bhauri Bhopal- 462066 India
| | - Biswajit Parhi
- Department of Chemistry; Indian Institute of Science Education and Research (IISER) Bhopal; Bhopal By-pass Road, Bhauri Bhopal- 462066 India
| | - Prasanta Ghorai
- Department of Chemistry; Indian Institute of Science Education and Research (IISER) Bhopal; Bhopal By-pass Road, Bhauri Bhopal- 462066 India
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8
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O'Neill PM, Ward SA. Ein Chinolincarboxamid als Breitbandwirkstoff gegen Malaria: Angriff in drei parasitären Stadien. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201507264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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9
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O'Neill PM, Ward SA. A Quinoline Carboxamide Antimalarial Drug Candidate Uniquely Targets Plasmodia at Three Stages of the Parasite Life Cycle. Angew Chem Int Ed Engl 2015; 54:13504-6. [PMID: 26426264 DOI: 10.1002/anie.201507264] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Indexed: 11/05/2022]
Affiliation(s)
- Paul M O'Neill
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD (UK).
| | - Stephen A Ward
- Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA (UK)
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10
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Yadav N, Sharma C, Awasthi SK. Diversification in the synthesis of antimalarial trioxane and tetraoxane analogs. RSC Adv 2014. [DOI: 10.1039/c3ra42513d] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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11
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Oliveira R, Newton AS, Guedes RC, Miranda D, Amewu RK, Srivastava A, Gut J, Rosenthal PJ, O'Neill PM, Ward SA, Lopes F, Moreira R. An Endoperoxide‐Based Hybrid Approach to Deliver Falcipain Inhibitors Inside Malaria Parasites. ChemMedChem 2013; 8:1528-36. [DOI: 10.1002/cmdc.201300202] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 06/14/2013] [Indexed: 11/09/2022]
Affiliation(s)
- Rudi Oliveira
- iMed.UL and Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmacy, University of Lisbon, Av. Prof. Gama Pinto, Lisbon, 1649‐003 (Portugal)
| | - Ana S. Newton
- iMed.UL and Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmacy, University of Lisbon, Av. Prof. Gama Pinto, Lisbon, 1649‐003 (Portugal)
| | - Rita C. Guedes
- iMed.UL and Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmacy, University of Lisbon, Av. Prof. Gama Pinto, Lisbon, 1649‐003 (Portugal)
| | - Daniela Miranda
- iMed.UL and Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmacy, University of Lisbon, Av. Prof. Gama Pinto, Lisbon, 1649‐003 (Portugal)
| | - Richard K. Amewu
- Department of Chemistry, University of Liverpool, Liverpool, L69 3BX (UK)
| | - Abhishek Srivastava
- Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA (UK)
| | - Jiri Gut
- Department of Medicine, University of California, San Francisco, CA 94143 (USA)
| | - Philip J. Rosenthal
- Department of Medicine, University of California, San Francisco, CA 94143 (USA)
| | - Paul M. O'Neill
- Department of Chemistry, University of Liverpool, Liverpool, L69 3BX (UK)
| | - Stephen A. Ward
- Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA (UK)
| | - Francisca Lopes
- iMed.UL and Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmacy, University of Lisbon, Av. Prof. Gama Pinto, Lisbon, 1649‐003 (Portugal)
| | - Rui Moreira
- iMed.UL and Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmacy, University of Lisbon, Av. Prof. Gama Pinto, Lisbon, 1649‐003 (Portugal)
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Hao HD, Wittlin S, Wu Y. Potent Antimalarial 1,2,4-Trioxanes through Perhydrolysis of Epoxides. Chemistry 2013; 19:7605-19. [DOI: 10.1002/chem.201300076] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Revised: 02/21/2013] [Indexed: 11/06/2022]
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13
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Aguiar ACC, Rocha EMMD, Souza NBD, França TCC, Krettli AU. New approaches in antimalarial drug discovery and development: a review. Mem Inst Oswaldo Cruz 2012; 107:831-45. [DOI: 10.1590/s0074-02762012000700001] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2012] [Accepted: 08/16/2012] [Indexed: 01/22/2023] Open
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Haynes RK, Cheu KW, Chan HW, Wong HN, Li KY, Tang MMK, Chen MJ, Guo ZF, Guo ZH, Sinniah K, Witte AB, Coghi P, Monti D. Interactions between artemisinins and other antimalarial drugs in relation to the cofactor model--a unifying proposal for drug action. ChemMedChem 2012; 7:2204-26. [PMID: 23112085 DOI: 10.1002/cmdc.201200383] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Revised: 09/30/2012] [Indexed: 01/14/2023]
Abstract
Artemisinins are proposed to act in the malaria parasite cytosol by oxidizing dihydroflavin cofactors of redox-active flavoenzymes, and under aerobic conditions by inducing their autoxidation. Perturbation of redox homeostasis coupled with the generation of reactive oxygen species (ROS) ensues. Ascorbic acid-methylene blue (MB), N-benzyl-1,4-dihydronicotinamide (BNAH)-MB, BNAH-lumiflavine, BNAH-riboflavin (RF), and NADPH-FAD-E. coli flavin reductase (Fre) systems at pH 7.4 generate leucomethylene blue (LMB) and reduced flavins that are rapidly oxidized in situ by artemisinins. These oxidations are inhibited by the 4-aminoquinolines piperaquine (PPQ), chloroquine (CQ), and others. In contrast, the arylmethanols lumefantrine, mefloquine (MFQ), and quinine (QN) have little or no effect. Inhibition correlates with the antagonism exerted by 4-aminoquinolines on the antimalarial activities of MB, RF, and artemisinins. Lack of inhibition correlates with the additivity/synergism between the arylmethanols and artemisinins. We propose association via π complex formation between the 4-aminoquinolines and LMB or the dihydroflavins; this hinders hydride transfer from the reduced conjugates to the artemisinins. The arylmethanols have a decreased tendency to form π complexes, and so exert no effect. The parallel between chemical reactivity and antagonism or additivity/synergism draws attention to the mechanism of action of all drugs described herein. CQ and QN inhibit the formation of hemozoin in the parasite digestive vacuole (DV). The buildup of heme-Fe(III) results in an enhanced efflux from the DV into the cytosol. In addition, the lipophilic heme-Fe(III) complexes of CQ and QN that form in the DV are proposed to diffuse across the DV membrane. At the higher pH of the cytosol, the complexes decompose to liberate heme-Fe(III) . The quinoline or arylmethanol reenters the DV, and so transfers more heme-Fe(III) out of the DV. In this way, the 4-aminoquinolines and arylmethanols exert antimalarial activities by enhancing heme-Fe(III) and thence free Fe(III) concentrations in the cytosol. The iron species enter into redox cycles through reduction of Fe(III) to Fe(II) largely mediated by reduced flavin cofactors and likely also by NAD(P)H-Fre. Generation of ROS through oxidation of Fe(II) by oxygen will also result. The cytotoxicities of artemisinins are thereby reinforced by the iron. Other aspects of drug action are emphasized. In the cytosol or DV, association by π complex formation between pairs of lipophilic drugs must adversely influence the pharmacokinetics of each drug. This explains the antagonism between PPQ and MFQ, for example. The basis for the antimalarial activity of RF mirrors that of MB, wherein it participates in redox cycling that involves flavoenzymes or Fre, resulting in attrition of NAD(P)H. The generation of ROS by artemisinins and ensuing Fenton chemistry accommodate the ability of artemisinins to induce membrane damage and to affect the parasite SERCA PfATP6 Ca(2+) transporter. Thus, the effect exerted by artemisinins is more likely a downstream event involving ROS that will also be modulated by mutations in PfATP6. Such mutations attenuate, but cannot abrogate, antimalarial activities of artemisinins. Overall, parasite resistance to artemisinins arises through enhancement of antioxidant defense mechanisms.
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Affiliation(s)
- Richard K Haynes
- Department of Chemistry, Institute of Molecular Technology for Drug Discovery and Synthesis, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, PR China.
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Chadwick J, Amewu RK, Marti F, Garah FBE, Sharma R, Berry NG, Stocks PA, Burrell-Saward H, Wittlin S, Rottmann M, Brun R, Taramelli D, Parapini S, Ward SA, O'Neill PM. Antimalarial Mannoxanes: Hybrid Antimalarial Drugs with Outstanding Oral Activity Profiles and A Potential Dual Mechanism of Action. ChemMedChem 2011; 6:1357-61. [DOI: 10.1002/cmdc.201100196] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Indexed: 11/11/2022]
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