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Rogers M, Kamath S, McManus D, Jones M, Gordon C, Navarro S. Schistosoma excretory/secretory products: an untapped library of tolerogenic immunotherapeutics against food allergy. Clin Transl Immunology 2024; 13:e70001. [PMID: 39221178 PMCID: PMC11359118 DOI: 10.1002/cti2.70001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 07/18/2024] [Accepted: 08/13/2024] [Indexed: 09/04/2024] Open
Abstract
Food allergy (FA) is considered the 'second wave' of the allergy epidemic in developed countries after asthma and allergic rhinitis with a steadily growing burden of 40%. The absence of early childhood pathogen stimulation embodied by the hygiene hypothesis is one explanation, and in particular, the eradication of parasitic helminths could be at play. Infections with parasites Schistosoma spp. have been found to have a negative correlation with allergic diseases. Schistosomes induce regulatory responses to evade immune detection and ensure their long-term survival. This is achieved via excretory/secretory (E/S) products, consisting of proteins, lipids, metabolites, nucleic acids and extracellular vesicles, representing an untapped therapeutic avenue for the treatment of FA without the unpleasant side-effects and risks associated with live infection. Schistosome-derived immunotherapeutic development is in its infancy and novel discoveries are heavily technology dependent; thus, it is essential to better understand how newly identified molecules interact with host immune systems to ensure safety and successful translation. This review will outline the identified Schistosoma-derived E/S products at all life cycle stages and discuss known mechanisms of action and their ability to suppress FA.
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Affiliation(s)
- Madeleine Rogers
- Faculty of MedicineUniversity of QueenslandBrisbaneQLDAustralia
- QIMR Berghofer Medical Research InstituteBrisbaneQLDAustralia
| | - Sandip Kamath
- Institute of Pathophysiology and Allergy ResearchMedical University of ViennaViennaAustria
- Australian Institute of Tropical Health and MedicineJames Cook UniversityTownsvilleQLDAustralia
| | - Donald McManus
- Faculty of MedicineUniversity of QueenslandBrisbaneQLDAustralia
- QIMR Berghofer Medical Research InstituteBrisbaneQLDAustralia
| | - Malcolm Jones
- QIMR Berghofer Medical Research InstituteBrisbaneQLDAustralia
- Faculty of Science, School of Veterinary ScienceUniversity of QueenslandGattonQLDAustralia
| | - Catherine Gordon
- Faculty of MedicineUniversity of QueenslandBrisbaneQLDAustralia
- QIMR Berghofer Medical Research InstituteBrisbaneQLDAustralia
| | - Severine Navarro
- Faculty of MedicineUniversity of QueenslandBrisbaneQLDAustralia
- QIMR Berghofer Medical Research InstituteBrisbaneQLDAustralia
- Centre for Childhood Nutrition Research, Faculty of HealthQueensland University of TechnologyBrisbaneQLDAustralia
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Rojas A, Regev-Rudzki N. Biogenesis of extracellular vesicles from the pathogen perspective: Transkingdom strategies for delivering messages. Curr Opin Cell Biol 2024; 88:102366. [PMID: 38705049 DOI: 10.1016/j.ceb.2024.102366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/05/2024] [Accepted: 04/11/2024] [Indexed: 05/07/2024]
Abstract
EVs are nanoparticles enclosing proteins, nucleic acids and lipids released by cells and are essential for their metabolism and useful for intercellular communication. The importance of EVs has been highlighted by their use as biomarkers or as vaccine antigens. The release of vesicles is exploited by a wide range of organisms: from unicellular bacteria or protozoa to multicellular prokaryotes like fungi, helminths and arthropods. The mechanisms elucidated to date in each biological group are presented, as well as a discussion of interesting directions for future EV studies.
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Affiliation(s)
- Alicia Rojas
- Laboratory of Helminthology, Faculty of Microbiology, University of Costa Rica, San José, 11501-2060, Costa Rica; Centro de Investigación en Enfermedades Tropicales, University of Costa Rica, San José, 11501-2060, Costa Rica.
| | - Neta Regev-Rudzki
- Department of Biochemical Sciences, Weizmann Institute of Sciences, Rehovot, Israel
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Caraballo L, Llinás-Caballero K. The Relationship of Parasite Allergens to Allergic Diseases. Curr Allergy Asthma Rep 2023; 23:363-373. [PMID: 37269427 PMCID: PMC10354133 DOI: 10.1007/s11882-023-01089-8] [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] [Accepted: 04/27/2023] [Indexed: 06/05/2023]
Abstract
PURPOSE OF REVIEW Helminth infections modify the natural history of allergic diseases, by either decreasing or increasing their symptoms. Several helminth components are involved in the increasing of the allergic response and symptoms, overcoming the concomitant immunosuppression of helminthiases. However, the role of individual IgE-binding molecules in this process remains to be defined. RECENT FINDINGS We updated the list of helminth allergens and IgE-binding molecules, their effects on asthma presentation, and their impact on allergy diagnosis. Data from genetic and epigenetic studies of ascariasis are analyzed. A new species-specific A. lumbricoides allergen has been discovered, with potential use in molecular diagnosis. Most helminth IgE-binding components are not officially classified as allergens in the WHO/IUIS database, although there is evidence of their influence increasing allergic manifestations. Further immunological characterization of these components is needed to better understand their mechanisms of action and evaluate the ways in which they can influence the diagnosis of allergy.
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Affiliation(s)
- Luis Caraballo
- Institute for Immunological Research, University of Cartagena, Cartagena de Indias, Colombia
| | - Kevin Llinás-Caballero
- Institute for Immunological Research, University of Cartagena, Cartagena de Indias, Colombia
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Kuipers ME, Nguyen DL, van Diepen A, Mes L, Bos E, Koning RI, Nolte-’t Hoen ENM, Smits HH, Hokke CH. Life stage-specific glycosylation of extracellular vesicles from Schistosoma mansoni schistosomula and adult worms drives differential interaction with C-type lectin receptors DC-SIGN and MGL. Front Mol Biosci 2023; 10:1125438. [PMID: 37006612 PMCID: PMC10050886 DOI: 10.3389/fmolb.2023.1125438] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/15/2023] [Indexed: 03/17/2023] Open
Abstract
Schistosomes can survive in mammalian hosts for many years, and this is facilitated by released parasite products that modulate the host’s immune system. Many of these products are glycosylated and interact with host cells via C-type lectin receptors (CLRs). We previously reported on specific fucose-containing glycans present on extracellular vesicles (EVs) released by schistosomula, the early juvenile life stage of the schistosome, and the interaction of these EVs with the C-type lectin receptor Dendritic Cell-Specific Intercellular adhesion molecule-3-Grabbing Non-integrin (DC-SIGN or CD209). EVs are membrane vesicles with a size range between 30–1,000 nm that play a role in intercellular and interspecies communication. Here, we studied the glycosylation of EVs released by the adult schistosome worms. Mass spectrometric analysis showed that GalNAcβ1–4GlcNAc (LacDiNAc or LDN) containing N-glycans were the dominant glycan type present on adult worm EVs. Using glycan-specific antibodies, we confirmed that EVs from adult worms were predominantly associated with LDN, while schistosomula EVs displayed a highly fucosylated glycan profile. In contrast to schistosomula EV that bind to DC-SIGN, adult worm EVs are recognized by macrophage galactose-type lectin (MGL or CD301), and not by DC-SIGN, on CLR expressing cell lines. The different glycosylation profiles of adult worm- and schistosomula-derived EVs match with the characteristic glycan profiles of the corresponding life stages and support their distinct roles in schistosome life-stage specific interactions with the host.
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Affiliation(s)
- Marije E. Kuipers
- Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
- Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - D. Linh Nguyen
- Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
| | - Angela van Diepen
- Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
| | - Lynn Mes
- Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
| | - Erik Bos
- Electron Microscopy Facility, Department of Cell and Chemical Biology, Leiden, Netherlands
| | - Roman I. Koning
- Electron Microscopy Facility, Department of Cell and Chemical Biology, Leiden, Netherlands
| | - Esther N. M. Nolte-’t Hoen
- Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Hermelijn H. Smits
- Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
| | - Cornelis H. Hokke
- Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
- *Correspondence: Cornelis H. Hokke,
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White R, Sotillo J, Ancarola ME, Borup A, Boysen AT, Brindley PJ, Buzás EI, Cavallero S, Chaiyadet S, Chalmers IW, Cucher MA, Dagenais M, Davis CN, Devaney E, Duque‐Correa MA, Eichenberger RM, Fontenla S, Gasan TA, Hokke CH, Kosanovic M, Kuipers ME, Laha T, Loukas A, Maizels RM, Marcilla A, Mazanec H, Morphew RM, Neophytou K, Nguyen LT, Nolte‐‘t Hoen E, Povelones M, Robinson MW, Rojas A, Schabussova I, Smits HH, Sungpradit S, Tritten L, Whitehead B, Zakeri A, Nejsum P, Buck AH, Hoffmann KF. Special considerations for studies of extracellular vesicles from parasitic helminths: A community-led roadmap to increase rigour and reproducibility. J Extracell Vesicles 2023; 12:e12298. [PMID: 36604533 PMCID: PMC9816087 DOI: 10.1002/jev2.12298] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 12/12/2022] [Accepted: 12/19/2022] [Indexed: 01/07/2023] Open
Abstract
Over the last decade, research interest in defining how extracellular vesicles (EVs) shape cross-species communication has grown rapidly. Parasitic helminths, worm species found in the phyla Nematoda and Platyhelminthes, are well-recognised manipulators of host immune function and physiology. Emerging evidence supports a role for helminth-derived EVs in these processes and highlights EVs as an important participant in cross-phylum communication. While the mammalian EV field is guided by a community-agreed framework for studying EVs derived from model organisms or cell systems [e.g., Minimal Information for Studies of Extracellular Vesicles (MISEV)], the helminth community requires a supplementary set of principles due to the additional challenges that accompany working with such divergent organisms. These challenges include, but are not limited to, generating sufficient quantities of EVs for descriptive or functional studies, defining pan-helminth EV markers, genetically modifying these organisms, and identifying rigorous methodologies for in vitro and in vivo studies. Here, we outline best practices for those investigating the biology of helminth-derived EVs to complement the MISEV guidelines. We summarise community-agreed standards for studying EVs derived from this broad set of non-model organisms, raise awareness of issues associated with helminth EVs and provide future perspectives for how progress in the field will be achieved.
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Retana Moreira L, Steller Espinoza MF, Chacón Camacho N, Cornet-Gomez A, Sáenz-Arce G, Osuna A, Lomonte B, Abrahams Sandí E. Characterization of Extracellular Vesicles Secreted by a Clinical Isolate of Naegleria fowleri and Identification of Immunogenic Components within Their Protein Cargo. BIOLOGY 2022; 11:983. [PMID: 36101365 PMCID: PMC9312180 DOI: 10.3390/biology11070983] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/09/2022] [Accepted: 06/20/2022] [Indexed: 06/15/2023]
Abstract
Extracellular vesicles (EVs) are small lipid vesicles released by both prokaryotic and eukaryotic cells, involved in intercellular communication, immunomodulation and pathogenesis. In this study, we performed a characterization of the EVs produced by trophozoites of a clinical isolate of the free-living amoeba Naegleria fowleri (N. fowleri). Size distribution, zeta potential, protein profile and protease activity were analyzed. Under our incubation conditions, EVs of different sizes were observed, with a predominant population ranging from 206 to 227 nm. SDS-PAGE revealed protein bands of 25 to 260 KDa. The presence of antigenic proteins was confirmed by Western blot, which evidenced strongest recognition by rat polyclonal antibodies raised against N. fowleri in the region close to 80 KDa and included peptidases, as revealed by zymography. Proteins in selected immunorecognized bands were further identified using nano-ESI-MS/MS. A preliminary proteomic profile of the EVs identified at least 184 proteins as part of the vesicles' cargo. Protease activity assays, in combination with the use of inhibitors, revealed the predominance of serine proteases. The present characterization uncovers the complexity of EVs produced by N. fowleri, suggesting their potential relevance in the release of virulence factors involved in pathogenicity. Owing to their cargo's diversity, further research on EVs could reveal new therapeutic targets or biomarkers for developing rapid and accurate diagnostic tools for lethal infections such as the one caused by this amoeba.
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Affiliation(s)
- Lissette Retana Moreira
- Departamento de Parasitología, Facultad de Microbiología, Universidad de Costa Rica, San José 11501, Costa Rica; (M.F.S.E.); (N.C.C.); (E.A.S.)
- Centro de Investigación en Enfermedades Tropicales (CIET), Universidad de Costa Rica, San José 11501, Costa Rica
| | - María Fernanda Steller Espinoza
- Departamento de Parasitología, Facultad de Microbiología, Universidad de Costa Rica, San José 11501, Costa Rica; (M.F.S.E.); (N.C.C.); (E.A.S.)
| | - Natalia Chacón Camacho
- Departamento de Parasitología, Facultad de Microbiología, Universidad de Costa Rica, San José 11501, Costa Rica; (M.F.S.E.); (N.C.C.); (E.A.S.)
| | - Alberto Cornet-Gomez
- Grupo de Bioquímica y Parasitología Molecular (CTS 183), Departamento de Parasitología, Campus de Fuentenueva, Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain; (A.C.-G.); (A.O.)
| | | | - Antonio Osuna
- Grupo de Bioquímica y Parasitología Molecular (CTS 183), Departamento de Parasitología, Campus de Fuentenueva, Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain; (A.C.-G.); (A.O.)
| | - Bruno Lomonte
- Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, San José 11501, Costa Rica;
| | - Elizabeth Abrahams Sandí
- Departamento de Parasitología, Facultad de Microbiología, Universidad de Costa Rica, San José 11501, Costa Rica; (M.F.S.E.); (N.C.C.); (E.A.S.)
- Centro de Investigación en Enfermedades Tropicales (CIET), Universidad de Costa Rica, San José 11501, Costa Rica
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