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Khemrattrakool P, Hongsuwong T, Tipthara P, Kullasakboonsri R, Phanphoowong T, Sriwichai P, Hanboonkunupakarn B, Jittamala P, Tarning J, Kobylinski KC. Impact of ivermectin components on Anopheles dirus and Anopheles minimus mosquito survival. Parasit Vectors 2024; 17:224. [PMID: 38750608 PMCID: PMC11097567 DOI: 10.1186/s13071-024-06294-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 04/21/2024] [Indexed: 05/18/2024] Open
Abstract
BACKGROUND Ivermectin mass drug administration to humans or livestock is a potential vector control tool for malaria elimination. Racemic ivermectin is composed of two components, namely a major component (> 80%; ivermectin B1a), which has an ethyl group at C-26, and a minor component (< 20%; ivermectin B1b), which has a methyl group at C-26. There is no difference between the efficacy of ivermectin B1a and ivermectin B1b efficacy in nematodes, but only ivermectin B1b has been reported to be lethal to snails. The ratios of ivermectin B1a and B1b ratios in ivermectin formulations and tablets can vary between manufacturers and batches. The mosquito-lethal effects of ivermectin B1a and ivermectin B1b have never been assessed. As novel ivermectin formulations are being developed for malaria control, it is important that the mosquito-lethal effects of individual ivermectin B1a and ivermectin B1b compounds be evaluated. METHODS Racemic ivermectin, ivermectin B1a or ivermectin B1b, respectively, was mixed with human blood at various concentrations, blood-fed to Anopheles dirus sensu stricto and Anopheles minimus sensu stricto mosquitoes, and mortality was observed for 10 days. The ivermectin B1a and B1b ratios from commercially available racemic ivermectin and marketed tablets were assessed by liquid chromatography-mass spectrometry. RESULTS The results revealed that neither the lethal concentrations that kills 50% (LC50) nor 90% (LC90) of mosquitoes differed between racemic ivermectin, ivermectin B1a or ivermectin B1b for An. dirus or An. minimus, confirming that the individual ivermectin components have equal mosquito-lethal effects. The relative ratios of ivermectin B1a and B1b derived from sourced racemic ivermectin powder were 98.84% and 1.16%, respectively, and the relative ratios for ivermectin B1a and B1b derived from human oral ivermectin tablets were 98.55% and 1.45%, respectively. CONCLUSIONS The ratio of ivermectin B1a and B1b does not influence the Anopheles mosquito-lethal outcome, an ideal study result as the separation of ivermectin B1a and B1b components at scale is cost prohibitive. Thus, variations in the ratio of ivermectin B1a and B1b between batches and manufacturers, as well as potentially novel formulations for malaria control, should not influence ivermectin mosquito-lethal efficacy.
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Affiliation(s)
- Pattarapon Khemrattrakool
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Thitipong Hongsuwong
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Phornpimon Tipthara
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Rattawan Kullasakboonsri
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Theerawit Phanphoowong
- Department of Medical Entomology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Patchara Sriwichai
- Department of Medical Entomology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Borimas Hanboonkunupakarn
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Podjanee Jittamala
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Department of Tropical Hygiene, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Joel Tarning
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, UK
| | - Kevin C Kobylinski
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
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Arbués A, Malaga W, Constant P, Guilhot C, Prandi J, Astarie-Dequeker C. Trisaccharides of Phenolic Glycolipids Confer Advantages to Pathogenic Mycobacteria through Manipulation of Host-Cell Pattern-Recognition Receptors. ACS Chem Biol 2016; 11:2865-2875. [PMID: 27548027 DOI: 10.1021/acschembio.6b00568] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Despite mycobacterial pathogens continue to be a threat to public health, the mechanisms that allow them to persist by modulating the host immune response are poorly understood. Among the factors suspected to play a role are phenolic glycolipids (PGLs), produced notably by the major pathogenic species such as Mycobacterium tuberculosis and Mycobacterium leprae. Here, we report an original strategy combining genetic reprogramming of the PGL pathway in Mycobacterium bovis BCG and chemical synthesis to examine whether sugar variations in the species-specific PGLs have an impact on pattern recognition receptors (PRRs) and the overall response of infected cells. We identified two distinct properties associated with the trisaccharide domains found in the PGLs from M. leprae and M. tuberculosis. First, the sugar moiety of PGL-1 from M. leprae is unique in its capacity to bind the lectin domain of complement receptor 3 (CR3) for efficient invasion of human macrophages. Second, the trisaccharide domain of the PGLs from M. tuberculosis and M. leprae share the capacity to inhibit Toll-like receptor 2 (TLR2)-triggered NF-κB activation, and thus the production of inflammatory cytokines. Consistently, PGL-1 was found to also bind isolated TLR2. By contrast, the simpler sugar domains of PGLs from M. bovis and Mycobacterium ulcerans did not exhibit such activities. In conclusion, the production of extended saccharide domains on PGLs dictates their recognition by host PRRs to enhance mycobacterial infectivity and subvert the host immune response.
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Affiliation(s)
- Ainhoa Arbués
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Wladimir Malaga
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Patricia Constant
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Christophe Guilhot
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Jacques Prandi
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Catherine Astarie-Dequeker
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
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Xu Q, Hamid A, Wen X, Zhang B, Yang N. Fenton-Anoxic–Oxic/MBR process as a promising process for avermectin fermentation wastewater reclamation. Sep Purif Technol 2014. [DOI: 10.1016/j.seppur.2014.07.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Bourke J, Brereton CF, Gordon SV, Lavelle EC, Scanlan EM. The synthesis and biological evaluation of mycobacterial p-hydroxybenzoic acid derivatives (p-HBADs). Org Biomol Chem 2014; 12:1114-23. [DOI: 10.1039/c3ob42277a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Synthetic p-hydroxybenzoic acid derivatives (p-HBADs) from Mycobacterium tuberculosis have the ability to suppress host immune response in vitro.
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Affiliation(s)
- Jean Bourke
- School of Chemistry
- Trinity Biomedical Sciences Institute
- Dublin 2, Ireland
| | - Corinna F. Brereton
- Adjuvant Research Group
- School of Biochemistry
- Trinity Biomedical Sciences Institute
- Dublin 2, Ireland
| | - Stephen V. Gordon
- Conway Institute of Biomolecular & Biomedical Research
- University College Dublin
- Dublin 4, Ireland
| | - Ed C. Lavelle
- Adjuvant Research Group
- School of Biochemistry
- Trinity Biomedical Sciences Institute
- Dublin 2, Ireland
| | - Eoin M. Scanlan
- School of Chemistry
- Trinity Biomedical Sciences Institute
- Dublin 2, Ireland
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Molinari G, Kujawski M, Scuto A, Soloneski S, Larramendy ML. DNA damage kinetics and apoptosis in ivermectin-treated chinese hamster ovary cells. J Appl Toxicol 2012; 33:1260-7. [DOI: 10.1002/jat.2782] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2012] [Revised: 04/12/2012] [Accepted: 05/10/2012] [Indexed: 01/14/2023]
Affiliation(s)
- Gabriela Molinari
- Cátedra de Citología, Facultad de Ciencias Naturales y Museo; Universidad Nacional de La Plata; Calle 64 Nº; 3 B1904AMA; La Plata; Argentina
| | - Maciej Kujawski
- Institute at City of Hope Comprehensive Cancer Center, Department of Cancer Immunotherapeutics Beckman Research and Tumor Immunology; Duarte Rd; Duarte; CA; 91010; USA
| | - Anna Scuto
- Beckman Research Institute at City of Hope Comprehensive Cancer Center, Department of Molecular Medicine; Duarte Rd; Duarte; CA; 91010; USA
| | - Sonia Soloneski
- Cátedra de Citología, Facultad de Ciencias Naturales y Museo; Universidad Nacional de La Plata; Calle 64 Nº; 3 B1904AMA; La Plata; Argentina
| | - Marcelo L. Larramendy
- Cátedra de Citología, Facultad de Ciencias Naturales y Museo; Universidad Nacional de La Plata; Calle 64 Nº; 3 B1904AMA; La Plata; Argentina
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Lumaret JP, Errouissi F, Floate K, Römbke J, Wardhaugh K. A review on the toxicity and non-target effects of macrocyclic lactones in terrestrial and aquatic environments. Curr Pharm Biotechnol 2012; 13:1004-60. [PMID: 22039795 PMCID: PMC3409360 DOI: 10.2174/138920112800399257] [Citation(s) in RCA: 186] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2010] [Accepted: 12/21/2010] [Indexed: 11/27/2022]
Abstract
The avermectins, milbemycins and spinosyns are collectively referred to as macrocyclic lactones (MLs) which comprise several classes of chemicals derived from cultures of soil micro-organisms. These compounds are extensively and increasingly used in veterinary medicine and agriculture. Due to their potential effects on non-target organisms, large amounts of information on their impact in the environment has been compiled in recent years, mainly caused by legal requirements related to their marketing authorization or registration. The main objective of this paper is to critically review the present knowledge about the acute and chronic ecotoxicological effects of MLs on organisms, mainly invertebrates, in the terrestrial and aquatic environment. Detailed information is presented on the mode-of-action as well as the ecotoxicity of the most important compounds representing the three groups of MLs. This information, based on more than 360 references, is mainly provided in nine tables, presenting the effects of abamectin, ivermectin, eprinomectin, doramectin, emamectin, moxidectin, and spinosad on individual species of terrestrial and aquatic invertebrates as well as plants and algae. Since dung dwelling organisms are particularly important non-targets, as they are exposed via dung from treated animals over their whole life-cycle, the information on the effects of MLs on dung communities is compiled in an additional table. The results of this review clearly demonstrate that regarding environmental impacts many macrocyclic lactones are substances of high concern particularly with larval instars of invertebrates. Recent studies have also shown that susceptibility varies with life cycle stage and impacts can be mitigated by using MLs when these stages are not present. However information on the environmental impact of the MLs is scattered across a wide range of specialised scientific journals with research focusing mainly on ivermectin and to a lesser extent on abamectin doramectin and moxidectin. By comparison, information on compounds such as eprinomectin, emamectin and selamectin is still relatively scarce.
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Affiliation(s)
- Jean-Pierre Lumaret
- UMR 5175 CEFE, Laboratoire de Zoogéographie, Université Montpellier III, 34199 Montpellier cedex 5, France.
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: an update for the period 2005-2006. MASS SPECTROMETRY REVIEWS 2011; 30:1-100. [PMID: 20222147 DOI: 10.1002/mas.20265] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
This review is the fourth update of the original review, published in 1999, on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2006. The review covers fundamental studies, fragmentation of carbohydrate ions, method developments, and applications of the technique to the analysis of different types of carbohydrate. Specific compound classes that are covered include carbohydrate polymers from plants, N- and O-linked glycans from glycoproteins, glycated proteins, glycolipids from bacteria, glycosides, and various other natural products. There is a short section on the use of MALDI-TOF mass spectrometry for the study of enzymes involved in glycan processing, a section on industrial processes, particularly the development of biopharmaceuticals and a section on the use of MALDI-MS to monitor products of chemical synthesis of carbohydrates. Large carbohydrate-protein complexes and glycodendrimers are highlighted in this final section.
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Affiliation(s)
- David J Harvey
- Department of Biochemistry, Oxford Glycobiology Institute, University of Oxford, Oxford OX1 3QU, UK.
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Kren V, Rezanka T. Sweet antibiotics - the role of glycosidic residues in antibiotic and antitumor activity and their randomization. FEMS Microbiol Rev 2008; 32:858-89. [PMID: 18647177 DOI: 10.1111/j.1574-6976.2008.00124.x] [Citation(s) in RCA: 141] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
A large number of antibiotics are glycosides. In numerous cases the glycosidic residues are crucial to their activity; sometimes, glycosylation only improves their pharmacokinetic parameters. Recent developments in molecular glycobiology have improved our understanding of aglycone vs. glycoside activities and made it possible to develop new, more active or more effective glycodrugs based on these findings - a very illustrative recent example is vancomycin. The majority of attention has been devoted to glycosidic antibiotics including their past, present, and probably future position in antimicrobial therapy. The role of the glycosidic residue in the biological activity of glycosidic antibiotics, and the attendant targeting and antibiotic selectivity mediated by glycone and aglycone in antibiotics some antitumor agents is discussed here in detail. Chemical and enzymatic modifications of aglycones in antibiotics, including their synthesis, are demonstrated on various examples, with particular emphasis on the role of specific and mutant glycosyltransferases and glycorandomization in the preparation of these compounds. The last section of this review describes and explains the interactions of the glycone moiety of the antibiotics with DNA and especially the design and structure-activity relationship of glycosidic antibiotics, including their classification based on their aglycone and glycosidic moiety. The new enzymatic methodology 'glycorandomization' enabled the preparation of glycoside libraries and opened up new ways to prepare optimized or entirely novel glycoside antibiotics.
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Affiliation(s)
- Vladimír Kren
- Centre of Biocatalysis and Biotransformation, Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic.
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Wang ZD, Sheikh SO, Cox S, Zhang Y, Massey K. Direct Preparation of N-Glycosidic Bond-Linked Nonionic Carbohydrate-Based Surfactant (NICBS) via Ritter Reaction. European J Org Chem 2007. [DOI: 10.1002/ejoc.200700079] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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