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Alvarado-Ocampo J, Abrahams-Sandí E, Retana-Moreira L. Overview of extracellular vesicles in pathogens with special focus on human extracellular protozoan parasites. Mem Inst Oswaldo Cruz 2024; 119:e240073. [PMID: 39319874 PMCID: PMC11421424 DOI: 10.1590/0074-02760240073] [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: 04/01/2024] [Accepted: 07/09/2024] [Indexed: 09/26/2024] Open
Abstract
Extracellular vesicles (EVs) are lipid-bilayered membrane-delimited particles secreted by almost any cell type, involved in different functions according to the cell of origin and its state. From these, cell to cell communication, pathogen-host interactions and modulation of the immune response have been widely studied. Moreover, these vesicles could be employed for diagnostic and therapeutic purposes, including infections produced by pathogens of diverse types; regarding parasites, the secretion, characterisation, and roles of EVs have been studied in particular cases. Moreover, the heterogeneity of EVs presents challenges at every stage of studies, which motivates research in this area. In this review, we summarise some aspects related to the secretion and roles of EVs from several groups of pathogens, with special focus on the most recent research regarding EVs secreted by extracellular protozoan parasites.
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Affiliation(s)
- Johan Alvarado-Ocampo
- Universidad de Costa Rica, Facultad de Microbiología, Centro de Investigación en Enfermedades Tropicales, San José, Costa Rica
| | - Elizabeth Abrahams-Sandí
- Universidad de Costa Rica, Facultad de Microbiología, Centro de Investigación en Enfermedades Tropicales, San José, Costa Rica
- Universidad de Costa Rica, Facultad de Microbiología, Departamento de Parasitología, San José, Costa Rica
| | - Lissette Retana-Moreira
- Universidad de Costa Rica, Facultad de Microbiología, Centro de Investigación en Enfermedades Tropicales, San José, Costa Rica
- Universidad de Costa Rica, Facultad de Microbiología, Departamento de Parasitología, San José, Costa Rica
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2
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Barnadas-Carceller B, Del Portillo HA, Fernandez-Becerra C. Extracellular vesicles as biomarkers in parasitic disease diagnosis. CURRENT TOPICS IN MEMBRANES 2024; 94:187-223. [PMID: 39370207 DOI: 10.1016/bs.ctm.2024.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/08/2024]
Abstract
Parasitic diseases constitute a major global health problem, affecting millions of people worldwide. Recent advances in the study of extracellular vesicles (EVs) have opened up new strategies for biomarker discovery in protozoan and helminth infections. Analyses of EVs in cultures and biological fluids have identified numerous potential biomarkers that could be useful for early and differential diagnosis, monitoring therapeutic responses, and the overall management and control of these diseases. Despite the potential of these biomarkers, several challenges must be addressed, including limited research, the need for standardized protocols, and the reproducibility of results across studies. In many parasitic infections, EVs have been obtained from various sample types, including plasma from human patients and mouse models, as well as cultures of the parasites at different stages. EVs were isolated by various methods and predominantly characterized through proteomic analysis or RNA sequencing to assess their cargo and identify potential biomarkers. These biomarker candidates were investigated and validated using different assays such as ELISA, Western Blot, and ROC curves. Overall, the use of EVs is considered a promising new diagnostic strategy for parasite infections, but further research with larger cohorts, standardized methods, and additional validation tests are essential for effective diagnosis and management of these diseases.
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Affiliation(s)
- Berta Barnadas-Carceller
- ISGlobal, Barcelona Institute for Global Health, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona (UB), Barcelona, Spain; IGTP Institut d'Investigació Germans Trias I Pujol, Badalona, Barcelona, Spain
| | - Hernando A Del Portillo
- ISGlobal, Barcelona Institute for Global Health, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona (UB), Barcelona, Spain; IGTP Institut d'Investigació Germans Trias I Pujol, Badalona, Barcelona, Spain; ICREA, Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain
| | - Carmen Fernandez-Becerra
- ISGlobal, Barcelona Institute for Global Health, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona (UB), Barcelona, Spain; IGTP Institut d'Investigació Germans Trias I Pujol, Badalona, Barcelona, Spain; CIBERINFEC, ISCIII-CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain.
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3
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Pinheiro AAS, Torrecilhas AC, Souza BSDF, Cruz FF, Guedes HLDM, Ramos TD, Lopes‐Pacheco M, Caruso‐Neves C, Rocco PRM. Potential of extracellular vesicles in the pathogenesis, diagnosis and therapy for parasitic diseases. J Extracell Vesicles 2024; 13:e12496. [PMID: 39113589 PMCID: PMC11306921 DOI: 10.1002/jev2.12496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 07/11/2024] [Indexed: 08/11/2024] Open
Abstract
Parasitic diseases have a significant impact on human and animal health, representing a major hazard to the public and causing economic and health damage worldwide. Extracellular vesicles (EVs) have long been recognized as diagnostic and therapeutic tools but are now also known to be implicated in the natural history of parasitic diseases and host immune response modulation. Studies have shown that EVs play a role in parasitic disease development by interacting with parasites and communicating with other types of cells. This review highlights the most recent research on EVs and their role in several aspects of parasite-host interactions in five key parasitic diseases: Chagas disease, malaria, toxoplasmosis, leishmaniasis and helminthiases. We also discuss the potential use of EVs as diagnostic tools or treatment options for these infectious diseases.
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Affiliation(s)
- Ana Acacia Sá Pinheiro
- Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroBrazil
- Rio de Janeiro Innovation Network in Nanosystems for Health‐NanoSAÚDE/Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)Rio de JaneiroBrazil
| | - Ana Claudia Torrecilhas
- Departamento de Ciências FarmacêuticasDiadema Campus, Instituto de Ciências Ambientais, Químicas e FarmacêuticasUniversidade Federal de São Paulo (UNIFESP)DiademaSão PauloBrazil
| | - Bruno Solano de Freitas Souza
- Center for Biotechnology and Cell TherapySão Rafael HospitalSalvadorBrazil
- D'Or Institute for Research and Education (IDOR)SalvadorBrazil
| | - Fernanda Ferreira Cruz
- Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroBrazil
- Rio de Janeiro Innovation Network in Nanosystems for Health‐NanoSAÚDE/Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)Rio de JaneiroBrazil
| | - Herbert Leonel de Matos Guedes
- Instituto de Microbiologia Paulo de Goés (IMPG)Universidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroBrazil
- Fundação Oswaldo Cruz (FIOCRUZ)Instituto Oswaldo Cruz (IOC)Rio de JaneiroBrazil
| | - Tadeu Diniz Ramos
- Instituto de Microbiologia Paulo de Goés (IMPG)Universidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroBrazil
- Fundação Oswaldo Cruz (FIOCRUZ)Instituto Oswaldo Cruz (IOC)Rio de JaneiroBrazil
| | - Miqueias Lopes‐Pacheco
- Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroBrazil
- Deparment of PediatricsCenter for Cystic Fibrosis and Airway Disease ResearchEmory University School of MedicineAtlantaGeorgiaUSA
| | - Celso Caruso‐Neves
- Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroBrazil
- Rio de Janeiro Innovation Network in Nanosystems for Health‐NanoSAÚDE/Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)Rio de JaneiroBrazil
- National Institute of Science and Technology for Regenerative MedicineINCT‐REGENERARio de JaneiroBrazil
| | - Patricia R. M. Rocco
- Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroBrazil
- Rio de Janeiro Innovation Network in Nanosystems for Health‐NanoSAÚDE/Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)Rio de JaneiroBrazil
- National Institute of Science and Technology for Regenerative MedicineINCT‐REGENERARio de JaneiroBrazil
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4
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Zhang X, Yu C, Song L. Progress on the Regulation of the Host Immune Response by Parasite-Derived Exosomes. Pathogens 2024; 13:623. [PMID: 39204224 PMCID: PMC11357678 DOI: 10.3390/pathogens13080623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/19/2024] [Accepted: 07/24/2024] [Indexed: 09/03/2024] Open
Abstract
Exosomes are membrane-bound structures released by cells into the external environment that carry a significant amount of important cargo, such as proteins, DNA, RNA, and lipids. They play a crucial role in intercellular communication. Parasites have complex life cycles and can release exosomes at different stages. Exosomes released by parasitic pathogens or infected cells contain parasitic nucleic acids, antigenic molecules, virulence factors, drug-resistant proteins, proteases, lipids, etc. These components can regulate host gene expression across species or modulate signaling pathways, thereby dampening or activating host immune responses, causing pathological damage, and participating in disease progression. This review focuses on the means by which parasitic exosomes modulate host immune responses, elaborates on the pathogenic mechanisms of parasites, clarifies the interactions between parasites and hosts, and provides a theoretical basis and research directions for the prevention and treatment of parasitic diseases.
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Affiliation(s)
| | - Chuanxin Yu
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Provincial Medical Key Laboratory, Jiangsu Institute of Parasitic Diseases, Wuxi 214064, China;
| | - Lijun Song
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Provincial Medical Key Laboratory, Jiangsu Institute of Parasitic Diseases, Wuxi 214064, China;
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Younis SS, Salama AM, Elmehy DA, Heabah NA, Rabah HM, Elakshar SH, Awad RA, Gamea GA. Trichinella spiralis Larval Extract as a Biological Anti-Tumor Therapy in a Murine Model of Ehrlich Solid Carcinoma. Parasite Immunol 2024; 46:e13035. [PMID: 38712475 DOI: 10.1111/pim.13035] [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: 09/07/2023] [Revised: 03/27/2024] [Accepted: 04/04/2024] [Indexed: 05/08/2024]
Abstract
Trichinella spiralis (T. spiralis) is an immunomodulating parasite that can adversely affect tumor growth and extend host lifespan. The aim of this study was to elucidate the mechanisms by which T. spiralis larval antigens achieve this effect using Ehrlich solid carcinoma (ESC) murine model. Assessment was done by histopathological and immunohistochemical analysis of caspase-3, TNF-α, Ki-67 and CD31. Additionally, Bcl2 and Bcl2-associated protein X (Bax) relative gene expression was assessed by molecular analysis for studying the effect of T. spiralis crude larval extract (CLE) antigen on tumor necrosis, apoptosis, cell proliferation and angiogenesis. We found that both T. spiralis infection and CLE caused a decrease in the areas of necrosis in ESC. Moreover, they led to increased apoptosis through activation of caspase-3, up-regulation of pro-apoptotic gene, Bax and down-regulation of anti-apoptotic gene, Bcl2. Also, T. spiralis infection and CLE diminished ESC proliferation, as evidenced by decreasing Ki-67. T. spiralis infection and CLE were able to suppress the development of ESC by inhibiting tumor proliferation, inducing apoptosis and decreasing tumor necrosis, with subsequent decrease in tumor metastasis. T. spiralis CLE antigen may be considered as a promising complementary immunotherapeutic agent in the treatment of cancer.
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Affiliation(s)
- Salwa S Younis
- Department of Medical Parasitology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Amina M Salama
- Department of Medical Parasitology, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Dalia A Elmehy
- Department of Medical Parasitology, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Nehal A Heabah
- Department of Pathology, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Hanem M Rabah
- Department of Medical Biochemistry, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Sara H Elakshar
- Department of Clinical Oncology, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Radwa A Awad
- Department of Clinical Oncology, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Ghada A Gamea
- Department of Medical Parasitology, Faculty of Medicine, Tanta University, Tanta, Egypt
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6
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Fernandez‐Becerra C, Xander P, Alfandari D, Dong G, Aparici‐Herraiz I, Rosenhek‐Goldian I, Shokouhy M, Gualdron‐Lopez M, Lozano N, Cortes‐Serra N, Karam PA, Meneghetti P, Madeira RP, Porat Z, Soares RP, Costa AO, Rafati S, da Silva A, Santarém N, Fernandez‐Prada C, Ramirez MI, Bernal D, Marcilla A, Pereira‐Chioccola VL, Alves LR, Portillo HD, Regev‐Rudzki N, de Almeida IC, Schenkman S, Olivier M, Torrecilhas AC. Guidelines for the purification and characterization of extracellular vesicles of parasites. JOURNAL OF EXTRACELLULAR BIOLOGY 2023; 2:e117. [PMID: 38939734 PMCID: PMC11080789 DOI: 10.1002/jex2.117] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 08/21/2023] [Accepted: 09/14/2023] [Indexed: 06/29/2024]
Abstract
Parasites are responsible for the most neglected tropical diseases, affecting over a billion people worldwide (WHO, 2015) and accounting for billions of cases a year and responsible for several millions of deaths. Research on extracellular vesicles (EVs) has increased in recent years and demonstrated that EVs shed by pathogenic parasites interact with host cells playing an important role in the parasite's survival, such as facilitation of infection, immunomodulation, parasite adaptation to the host environment and the transfer of drug resistance factors. Thus, EVs released by parasites mediate parasite-parasite and parasite-host intercellular communication. In addition, they are being explored as biomarkers of asymptomatic infections and disease prognosis after drug treatment. However, most current protocols used for the isolation, size determination, quantification and characterization of molecular cargo of EVs lack greater rigor, standardization, and adequate quality controls to certify the enrichment or purity of the ensuing bioproducts. We are now initiating major guidelines based on the evolution of collective knowledge in recent years. The main points covered in this position paper are methods for the isolation and molecular characterization of EVs obtained from parasite-infected cell cultures, experimental animals, and patients. The guideline also includes a discussion of suggested protocols and functional assays in host cells.
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Affiliation(s)
- Carmen Fernandez‐Becerra
- ISGlobal, Barcelona Institute for Global HealthHospital Clínic‐Universitatde BarcelonaBarcelonaSpain
- IGTP Institut d'Investigació Germans Trias i PujolBadalona (Barcelona)Spain
- CIBERINFECISCIII‐CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos IIIMadridSpain
| | - Patrícia Xander
- Departamento de Ciências FarmacêuticasLaboratório de Imunologia Celular e Bioquímica de Fungos e ProtozoáriosDepartamento de Ciências FarmacêuticasInstituto de Ciências AmbientaisQuímicas e FarmacêuticasUniversidade Federal de São Paulo (UNIFESP)São PauloBrazil
| | - Daniel Alfandari
- Department of Biomolecular SciencesWeizmann Institute of Science (WIS)RehovotIsrael
| | - George Dong
- The Research Institute of the McGill University Health CentreMcGill UniversityMontréalQuébecCanada
| | - Iris Aparici‐Herraiz
- ISGlobal, Barcelona Institute for Global HealthHospital Clínic‐Universitatde BarcelonaBarcelonaSpain
| | | | - Mehrdad Shokouhy
- Department of Immunotherapy and Leishmania Vaccine ResearchPasteur Institute of IranTehranIran
| | - Melisa Gualdron‐Lopez
- ISGlobal, Barcelona Institute for Global HealthHospital Clínic‐Universitatde BarcelonaBarcelonaSpain
| | - Nicholy Lozano
- Departamento de Ciências FarmacêuticasLaboratório de Imunologia Celular e Bioquímica de Fungos e ProtozoáriosDepartamento de Ciências FarmacêuticasInstituto de Ciências AmbientaisQuímicas e FarmacêuticasUniversidade Federal de São Paulo (UNIFESP)São PauloBrazil
| | - Nuria Cortes‐Serra
- ISGlobal, Barcelona Institute for Global HealthHospital Clínic‐Universitatde BarcelonaBarcelonaSpain
| | - Paula Abou Karam
- Department of Biomolecular SciencesWeizmann Institute of Science (WIS)RehovotIsrael
| | - Paula Meneghetti
- Departamento de Ciências FarmacêuticasLaboratório de Imunologia Celular e Bioquímica de Fungos e ProtozoáriosDepartamento de Ciências FarmacêuticasInstituto de Ciências AmbientaisQuímicas e FarmacêuticasUniversidade Federal de São Paulo (UNIFESP)São PauloBrazil
| | - Rafael Pedro Madeira
- Departamento de Ciências FarmacêuticasLaboratório de Imunologia Celular e Bioquímica de Fungos e ProtozoáriosDepartamento de Ciências FarmacêuticasInstituto de Ciências AmbientaisQuímicas e FarmacêuticasUniversidade Federal de São Paulo (UNIFESP)São PauloBrazil
| | - Ziv Porat
- Flow Cytometry UnitLife Sciences Core Facilities, WISRehovotIsrael
| | | | - Adriana Oliveira Costa
- Departamento de Análises Clínicas e ToxicológicasFaculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG)Belo HorizonteMinas GeraisBrasil
| | - Sima Rafati
- Department of Immunotherapy and Leishmania Vaccine ResearchPasteur Institute of IranTehranIran
| | - Anabela‐Cordeiro da Silva
- Host‐Parasite Interactions GroupInstitute of Research and Innovation in HealthUniversity of PortoPortoPortugal
- Department of Biological SciencesFaculty of PharmacyUniversity of PortoPortoPortugal
| | - Nuno Santarém
- Host‐Parasite Interactions GroupInstitute of Research and Innovation in HealthUniversity of PortoPortoPortugal
- Department of Biological SciencesFaculty of PharmacyUniversity of PortoPortoPortugal
| | | | - Marcel I. Ramirez
- EVAHPI ‐ Extracellular Vesicles and Host‐Parasite Interactions Research Group Laboratório de Biologia Molecular e Sistemática de TripanossomatideosInstituto Carlos Chagas‐FiocruzCuritibaParanáBrasil
| | - Dolores Bernal
- Departament de Bioquímica i Biologia Molecular, Facultat de Ciències BiològiquesUniversitat de ValènciaBurjassotValenciaSpain
| | - Antonio Marcilla
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i ParasitologiaUniversitat de ValènciaBurjassotValenciaSpain
| | - Vera Lucia Pereira‐Chioccola
- Laboratório de Biologia Molecular de Parasitas e Fungos, Centro de Parasitologia e MicologiaInstituto Adolfo Lutz (IAL)São PauloBrasil
| | - Lysangela Ronalte Alves
- Laboratório de Regulação da Expressão GênicaInstituto Carlos ChagasFiocruz ParanáCuritibaBrazil
- Research Center in Infectious DiseasesDivision of Infectious Disease and Immunity CHU de Quebec Research CenterDepartment of MicrobiologyInfectious Disease and ImmunologyFaculty of MedicineUniversity LavalQuebec CityQuebecCanada
| | - Hernando Del Portillo
- ISGlobal, Barcelona Institute for Global HealthHospital Clínic‐Universitatde BarcelonaBarcelonaSpain
- IGTP Institut d'Investigació Germans Trias i PujolBadalona (Barcelona)Spain
- ICREA Institució Catalana de Recerca i Estudis Avanc¸ats (ICREA)BarcelonaSpain
| | - Neta Regev‐Rudzki
- Department of Biomolecular SciencesWeizmann Institute of Science (WIS)RehovotIsrael
| | - Igor Correia de Almeida
- Department of Biological SciencesBorder Biomedical Research CenterThe University of Texas at El PasoEl PasoTexasUSA
| | - Sergio Schenkman
- Departamento de MicrobiologiaImunologia e Parasitologia, UNIFESPSão PauloBrazil
| | - Martin Olivier
- The Research Institute of the McGill University Health CentreMcGill UniversityMontréalQuébecCanada
| | - Ana Claudia Torrecilhas
- Departamento de Ciências FarmacêuticasLaboratório de Imunologia Celular e Bioquímica de Fungos e ProtozoáriosDepartamento de Ciências FarmacêuticasInstituto de Ciências AmbientaisQuímicas e FarmacêuticasUniversidade Federal de São Paulo (UNIFESP)São PauloBrazil
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Yan SW, Zhang R, Guo X, Wang BN, Long SR, Liu RD, Wang ZQ, Cui J. Trichinella spiralis dipeptidyl peptidase 1 suppressed macrophage cytotoxicity by promoting M2 polarization via the STAT6/PPARγ pathway. Vet Res 2023; 54:77. [PMID: 37705099 PMCID: PMC10500742 DOI: 10.1186/s13567-023-01209-2] [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: 06/02/2023] [Accepted: 07/31/2023] [Indexed: 09/15/2023] Open
Abstract
Trichinella spiralis dipeptidyl peptidase 1 (TsDPP1), or cysteine cathepsin C, is a secretory protein that is highly expressed during the infective larvae and adult worm stages in the intestines. The aim of this study was to investigate the mechanism by which recombinant TsDPP1 (rTsDPP1) activates macrophages M2 polarization and decreases macrophage cytotoxicity to kill newborn larvae via ADCC. RAW264.7 macrophages and murine peritoneal macrophages were used in this study. The results of the immunofluorescence test (IFT) and confocal microscopy showed that rTsDPP1 specifically bound to macrophages, and the binding site was localized on the cell membrane. rTsDPP1 activated macrophage M2 polarization, as demonstrated by high expression levels of Arg1 (M2 marker) and M2-related genes (IL-10, TGF-β, CD206 and Arg1) and high numbers of CD206+ macrophages. Furthermore, the expression levels of p-STAT6, STAT6 and PPARγ were obviously increased in rTsDPP1-treated macrophages, which were evidently abrogated by using a STAT6 inhibitor (AS1517499) and PPARγ antagonist (GW9662). The results indicated that rTsDPP1 promoted macrophage M2 polarization through the STAT6/PPARγ pathway. Griess reaction results revealed that rTsDPP1 suppressed LPS-induced NO production in macrophages. qPCR and flow cytometry results showed that rTsDPP1 downregulated the expression of FcγR I (CD64) in macrophages. The ability of ADCC to kill newborn larvae was significantly decreased in rTsDPP1-treated macrophages, but AS1517499 and GW9662 restored its killing capacity. Our results demonstrated that rTsDPP1 induced macrophage M2 polarization, upregulated the expression of anti-inflammatory cytokines, and inhibited macrophage-mediated ADCC via activation of the STAT6/PPARγ pathway, which is beneficial to the parasitism and immune evasion of this nematode.
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Affiliation(s)
- Shu Wei Yan
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Ru Zhang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Xin Guo
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Bo Ning Wang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Shao Rong Long
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Ruo Dan Liu
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Zhong Quan Wang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China.
| | - Jing Cui
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China.
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8
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Stachyra A, Wesołowska A. Immunomodulatory in vitro effects of Trichinella cystatin-like protein on mouse splenocytes. Exp Parasitol 2023; 252:108585. [PMID: 37437683 DOI: 10.1016/j.exppara.2023.108585] [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: 12/13/2022] [Revised: 06/27/2023] [Accepted: 07/10/2023] [Indexed: 07/14/2023]
Abstract
Trichinella parasites have developed specific mechanisms allowing successful completion of their life cycle. These mechanisms are in a great part involved in immunomodulation and studying them may provide a valuable insight into the functioning of the immune system. Trichinella products may be also used as potential therapeutic agents to treat immune diseases. This study investigates the immunomodulatory potential of recombinant multi cystatin-like protein (CLP) derived from T. britovi to determine whether CLP has anti-inflammatory properties in vitro. CLP is a highly antigenic glycoprotein present in Trichinella excetory-secretory (ES) products. AlphaFold structure prediction confirms that it consists of three type-two cystatin-like domains. Mouse splenocytes were stimulated in vitro with lipopolysaccharide (LPS) and co-stimulated with recombinant CLP. The culture supernatants were collected and tested for secreted cytokine levels using ELISA. CLP was found to reduce LPS-induced secretion of inflammatory cytokines TNFα and IL-6. On the contrary, in some experimental groups, co-stimulation with CLP resulted in increased secretion of the regulatory cytokine IL-10. The obtained results indicate that CLP has anti-inflammatory properties and future research on its function is advisable, specifically in the context of the therapy of inflammatory disorders.
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Affiliation(s)
- Anna Stachyra
- Witold Stefański Institute of Parasitology, Polish Academy of Sciences, Twarda 51/55, 00-818, Warsaw, Poland; Department of General Biology and Parasitology, Medical University of Warsaw, Chałubińskiego 5, 02-004, Warsaw, Poland.
| | - Agnieszka Wesołowska
- Witold Stefański Institute of Parasitology, Polish Academy of Sciences, Twarda 51/55, 00-818, Warsaw, Poland; Museum and Institute of Zoology, Polish Academy of Sciences, Wilcza 64, 00-679, Warsaw, Poland
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9
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Loghry HJ, Kwon H, Smith RC, Sondjaja NA, Minkler SJ, Young S, Wheeler NJ, Zamanian M, Bartholomay LC, Kimber MJ. Extracellular vesicles secreted by Brugia malayi microfilariae modulate the melanization pathway in the mosquito host. Sci Rep 2023; 13:8778. [PMID: 37258694 PMCID: PMC10232515 DOI: 10.1038/s41598-023-35940-9] [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: 03/04/2023] [Accepted: 05/26/2023] [Indexed: 06/02/2023] Open
Abstract
Vector-borne, filarial nematode diseases cause significant disease burdens in humans and domestic animals worldwide. Although there is strong direct evidence of parasite-driven immunomodulation of mammalian host responses, there is less evidence of parasite immunomodulation of the vector host. We have previously reported that all life stages of Brugia malayi, a filarial nematode and causative agent of Lymphatic filariasis, secrete extracellular vesicles (EVs). Here we investigate the immunomodulatory effects of microfilariae-derived EVs on the vector host Aedes aegypti. RNA-seq analysis of an Ae. aegypti cell line treated with B. malayi microfilariae EVs showed differential expression of both mRNAs and miRNAs. AAEL002590, an Ae. aegypti gene encoding a serine protease, was shown to be downregulated when cells were treated with biologically relevant EV concentrations in vitro. Injection of adult female mosquitoes with biologically relevant concentrations of EVs validated these results in vivo, recapitulating the downregulation of AAEL002590 transcript. This gene was predicted to be involved in the mosquito phenoloxidase (PO) cascade leading to the canonical melanization response and correspondingly, both suppression of this gene using RNAi and parasite EV treatment reduced PO activity in vivo. Our data indicate that parasite-derived EVs interfere with critical immune responses in the vector host, including melanization.
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Affiliation(s)
- Hannah J Loghry
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA.
| | - Hyeogsun Kwon
- Department of Entomology, College of Agriculture and Life Sciences, Iowa State University, Ames, IA, USA
| | - Ryan C Smith
- Department of Entomology, College of Agriculture and Life Sciences, Iowa State University, Ames, IA, USA
| | - Noelle A Sondjaja
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA
| | - Sarah J Minkler
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA
| | - Sophie Young
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA
| | - Nicolas J Wheeler
- Department of Biology, College of Arts and Sciences, University of Wisconsin-Eau Claire, Eau Claire, WI, USA
| | - Mostafa Zamanian
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Lyric C Bartholomay
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Michael J Kimber
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA
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10
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Wu J, Liao Y, Li D, Zhu Z, Zhang L, Wu Z, He P, Wang L. Extracellular vesicles derived from Trichinella Spiralis larvae promote the polarization of macrophages to M2b type and inhibit the activation of fibroblasts. Front Immunol 2022; 13:974332. [PMID: 36211336 PMCID: PMC9532625 DOI: 10.3389/fimmu.2022.974332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 09/05/2022] [Indexed: 11/14/2022] Open
Abstract
Trichinella spiralis (T. spiralis) is a globally distributed food-borne parasite that can coexist with the host for a long time after infection. Trichinella-derived secretions can regulate the immune response and fibroblasts of the host, but the specific mechanisms involved are still unclear. The purpose of this study was to investigate the role of T. spiralis larvae-derived extracellular vesicles (EVs) and their key miRNAs in the process of T. spiralis–host interaction. In this study, we found that the EVs of T. spiralis larvae, as well as miR-1-3p and let-7-5p, expressed in T. spiralis larvae-derived EVs, can promote the polarization of bone marrow macrophages to M2b type while inhibiting the activation of fibroblasts. These findings will contribute to further understanding of the molecular mechanisms underlying T. spiralis–host interactions.
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Affiliation(s)
- Ji Wu
- Medical Department of Xizang Minzu University, Xianyang, China
| | - Yao Liao
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China
- Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, China
| | - Dinghao Li
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China
- Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, China
| | - Zifeng Zhu
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China
- Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, China
| | - Lichao Zhang
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China
- Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, China
| | - Zhongdao Wu
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China
- Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, China
- *Correspondence: Lifu Wang, ; Ping He, ; Zhongdao Wu,
| | - Ping He
- Medical Department of Xizang Minzu University, Xianyang, China
- *Correspondence: Lifu Wang, ; Ping He, ; Zhongdao Wu,
| | - Lifu Wang
- Guangzhou Key Laboratory for Clinical Rapid Diagnosis and Early Warning of Infectious Diseases, KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
- *Correspondence: Lifu Wang, ; Ping He, ; Zhongdao Wu,
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11
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Loghry HJ, Sondjaja NA, Minkler SJ, Kimber MJ. Secreted filarial nematode galectins modulate host immune cells. Front Immunol 2022; 13:952104. [PMID: 36032131 PMCID: PMC9402972 DOI: 10.3389/fimmu.2022.952104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/21/2022] [Indexed: 11/17/2022] Open
Abstract
Lymphatic filariasis (LF) is a mosquito-borne disease caused by filarial nematodes including Brugia malayi. Over 860 million people worldwide are infected or at risk of infection in 72 endemic countries. The absence of a protective vaccine means that current control strategies rely on mass drug administration programs that utilize inadequate drugs that cannot effectively kill adult parasites, thus established infections are incurable. Progress to address deficiencies in the approach to LF control is hindered by a poor mechanistic understanding of host-parasite interactions, including mechanisms of host immunomodulation by the parasite, a critical adaptation for establishing and maintaining infections. The canonical type 2 host response to helminth infection characterized by anti-inflammatory and regulatory immune phenotypes is modified by filarial nematodes during chronic LF. Current efforts at identifying parasite-derived factors driving this modification focus on parasite excretory-secretory products (ESP), including extracellular vesicles (EVs). We have previously profiled the cargo of B. malayi EVs and identified B. malayi galectin-1 and galectin-2 as among the most abundant EV proteins. In this study we further investigated the function of these proteins. Sequence analysis of the parasite galectins revealed highest homology to mammalian galectin-9 and functional characterization identified similar substrate affinities consistent with this designation. Immunological assays showed that Bma-LEC-2 is a bioactive protein that can polarize macrophages to an alternatively activated phenotype and selectively induce apoptosis in Th1 cells. Our data shows that an abundantly secreted parasite galectin is immunomodulatory and induces phenotypes consistent with the modified type 2 response characteristic of chronic LF infection.
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12
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Bruschi F, Ashour D, Othman A. Trichinella-induced immunomodulation: Another tale of helminth success. Food Waterborne Parasitol 2022; 27:e00164. [PMID: 35615625 PMCID: PMC9125654 DOI: 10.1016/j.fawpar.2022.e00164] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 05/05/2022] [Accepted: 05/09/2022] [Indexed: 01/01/2023] Open
Abstract
Trichinella spiralis is a unique parasite in that both the adults and larvae survive in two different intracellular niches in the same host. The immune response, albeit intense, is highly modulated to ensure the survival of both the host and the parasite. It is skewed to T helper 2 and regulatory arms. Diverse cells from both the innate and adaptive compartments of immunity, including dendritic cells, T regulatory cells, and alternatively activated macrophages are thought to mediate such immunomodulation. The parasite has also an outstanding ability to evade the immune system by several elaborate processes. The molecules derived from the parasites including Trichinella, particularly the components of the excretory-secretory products, are being continually identified and explored for the potential of ameliorating the immunopathology in animal models of diverse inflammatory and autoimmune human diseases. Herein we discuss the various aspects of Trichinella-induced immunomodulation with a special reference to the practical implications of the immune system manipulation in alleviating or possibly curing human diseases.
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Key Words
- AAM, alternatively activated macrophage
- AW, adult worm
- Allergy
- Autoimmune diseases
- Breg, regulatory B cell
- CAM, classically activated macrophage
- Cancer
- ES L1, ES product of T. spiralis muscle larva
- ES, excretory–secretory
- IFN- γ, interferon-γ
- IIL, intestinal infective larva
- IL, interleukin
- Immune evasion
- Immunomodulation
- ML, muscle larva
- NBL, newborn larva
- NOS, nitric oxide synthase
- TGF-β, transforming growth factor-β
- TLR, toll-like receptor
- TNF- α, tumor necrosis factor-α
- Th, T helper
- Tol-DC, tolerogenic dendritic cell
- Treg, regulatory T cell
- Trichinella
- Trichinella-derived molecules
- Ts-AES, ES from adult T. spiralis
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Affiliation(s)
- F. Bruschi
- School of Medicine, Department of Translational Research, N.T.M.S., Università di Pisa, Pisa, Italy
| | - D.S. Ashour
- Department of Medical Parasitology, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - A.A. Othman
- Department of Medical Parasitology, Faculty of Medicine, Tanta University, Tanta, Egypt
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13
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Ruenchit P, Reamtong O, Khowawisetsut L, Adisakwattana P, Chulanetra M, Kulkeaw K, Chaicumpa W. Peptide of Trichinella spiralis Infective Larval Extract That Harnesses Growth of Human Hepatoma Cells. Front Cell Infect Microbiol 2022; 12:882608. [PMID: 35558100 PMCID: PMC9086976 DOI: 10.3389/fcimb.2022.882608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 03/28/2022] [Indexed: 11/15/2022] Open
Abstract
Trichinella spiralis, a tissue-dwelling helminth, causes human trichinellosis through ingestion of undercooked meat containing the parasite’s infective larvae. However, benefits from T. spiralis infection have been documented: reduction of allergic diseases, inhibition of collagen-induced arthritis, delay of type 1 diabetes progression, and suppression of cancer cell proliferation. Since conventional cancer treatments have limited and unreliable efficacies with adverse side effects, novel adjunctive therapeutic agents and strategies are needed to enhance the overall treatment outcomes. This study aimed to validate the antitumor activity of T. spiralis infective larval extract (LE) and extricate the parasite-derived antitumor peptide. Extracts of T. spiralis infective larvae harvested from striated muscles of infected mice were prepared and tested for antitumor activity against three types of carcinoma cells: hepatocellular carcinoma HepG2, ovarian cancer SK-OV-3, and lung adenocarcinoma A549. The results showed that LE exerted the greatest antitumor effect on HepG2 cells. Proteomic analysis of the LE revealed 270 proteins. They were classified as cellular components, proteins involved in metabolic processes, and proteins with diverse biological functions. STRING analysis showed that most LE proteins were interconnected and played pivotal roles in various metabolic processes. In silico analysis of anticancer peptides identified three candidates. Antitumor peptide 2 matched the hypothetical protein T01_4238 of T. spiralis and showed a dose-dependent anti-HepG2 effect, not by causing apoptosis or necrosis but by inducing ROS accumulation, leading to inhibition of cell proliferation. The data indicate the potential application of LE-derived antitumor peptide as a complementary agent for human hepatoma treatment.
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Affiliation(s)
- Pichet Ruenchit
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Onrapak Reamtong
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Ladawan Khowawisetsut
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Poom Adisakwattana
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Monrat Chulanetra
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Kasem Kulkeaw
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Wanpen Chaicumpa
- Center of Research Excellence in Therapeutic Proteins and Antibody Engineering, Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- *Correspondence: Wanpen Chaicumpa,
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14
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Ozturk EA, Caner A. Liquid Biopsy for Promising Non-invasive Diagnostic Biomarkers in Parasitic Infections. Acta Parasitol 2022; 67:1-17. [PMID: 34176040 DOI: 10.1007/s11686-021-00444-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 06/16/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Liquid biopsy refers to the sampling and molecular analysis of body fluids such as blood, saliva, and urine in contrast to conventional tissue biopsies. Liquid biopsy approach can offer powerful non-invasive biomarkers (circulating markers) for diagnosis and monitoring treatment response of a variety of diseases, including parasitic infections. METHODS In this review, we concentrate on cell-free DNA (cfDNA), microRNA (miRNA), and exosomes in the published literature. RESULTS Considering the high prevalence and severity of parasitic infections worldwide, circulating biomarkers can provide a new insight into the diagnosis and prognosis of parasites in the near future. Moreover, identifying and characterizing parasite- or host-derived circulating markers are important for a better understanding of the pathogenesis of parasite infection and host-parasite relationship at the molecular level. Profiling of biomarkers for parasitic diseases is a promising potential field, though further studies and optimization strategies are required, both in vitro and in vivo. CONCLUSION In this review, we discuss three approaches in the liquid biopsy including circulating cfDNA, miRNAs, and exosomes for diagnosis and evaluation of parasites and summarize circulating biomarkers in non-invasive samples during parasitic infections.
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Affiliation(s)
- Eylem Akdur Ozturk
- Department of Parasitology, Çukurova University Faculty of Medicine, Adana, Turkey
| | - Ayse Caner
- Department of Parasitology, Ege University Faculty of Medicine, 35100, Izmir, Turkey.
- Cancer Research Center, Ege University, Izmir, Turkey.
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15
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Drurey C, Maizels RM. Helminth extracellular vesicles: Interactions with the host immune system. Mol Immunol 2021; 137:124-133. [PMID: 34246032 PMCID: PMC8636279 DOI: 10.1016/j.molimm.2021.06.017] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 06/14/2021] [Accepted: 06/23/2021] [Indexed: 12/21/2022]
Abstract
As long-lived parasites, helminths depend upon immunomodulation of their hosts for survival. The release of excretory-secretory (ES) products, including proteins, lipids and RNAs is how successful host manipulation is achieved. It has recently been discovered that the ES products of helminths contain extracellular vesicles (EVs), with every species investigated found to secrete these lipid-bound structures. EVs are perfect for packaging and delivering immune modulators to target cell types. This review outlines the research carried out on helminth EVs and their constituents thus far, as well as their interaction with components of the mammalian immune system. We discuss how targeting EVs will aid treatment of helminth infection and consider how EVs and their immunomodulatory cargo could be used as therapeutics as we progress through this exciting era.
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Affiliation(s)
- Claire Drurey
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, UK
| | - Rick M Maizels
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, UK.
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16
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Ilić N, Kosanović M, Gruden-Movsesijan A, Glamočlija S, Sofronić-Milosavljević L, Čolić M, Tomić S. Harnessing immunomodulatory mechanisms of Trichinella spiralis to design novel nanomedical approaches for restoring self-tolerance in autoimmunity. Immunol Lett 2021; 238:57-67. [PMID: 34363897 DOI: 10.1016/j.imlet.2021.04.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/28/2021] [Accepted: 04/28/2021] [Indexed: 01/13/2023]
Abstract
The rapid increase in the prevalence of autoimmune diseases in recent decades, especially in developed countries, coincided with improved living conditions and healthcare. Part of this increase could be ascribed to the lack of exposure to infectious agents like helminths that co-evolved with us and display potent immune regulatory actions. In this review we discussed many investigations, including our own, showing that Trichinella spiralis via its excretory-secretory products attenuate Th1/Th17 immunopathological response in autoimmunity and potentiate the protective Th2 and or regulatory T cell response, acting as an effective induction of tolerogenic dendritic cells (DCs), and probably mimicking the autoantigen in some diseases. A recent discovery of T. spiralis extracellular vesicles (TsEVs) suggested that inducing a complex regulation of the immune response requires simultaneous delivery of different signals in nano-sized packages. Indeed, different artificial nanomedical approaches discussed here suggested that co-delivery of multiple signals via nanoparticles is the most promising strategy for the treatment of autoimmune diseases. Although a long way is ahead of us before we could completely replicate natural nano-delivery systems which are both safe and potent in restoring self-tolerance, a clear path is being opened from a careful examination of parasite-host interactions.
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Affiliation(s)
- Nataša Ilić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Maja Kosanović
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Alisa Gruden-Movsesijan
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Sofija Glamočlija
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Ljiljana Sofronić-Milosavljević
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Miodrag Čolić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia; Medical Faculty Foča, University of East Sarajevo, Bosnia and Hercegovina; Serbian Academy of Sciences and Arts, Belgrade, Serbia
| | - Sergej Tomić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia.
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17
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Sánchez-López CM, Trelis M, Bernal D, Marcilla A. Overview of the interaction of helminth extracellular vesicles with the host and their potential functions and biological applications. Mol Immunol 2021; 134:228-235. [PMID: 33836351 DOI: 10.1016/j.molimm.2021.03.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/08/2021] [Accepted: 03/17/2021] [Indexed: 02/07/2023]
Abstract
Helminth Extracellular Vesicles (EVs) have emerged as important mediators in host-parasite communications, participating in the parasite survival and its pathogenic effects. In the last decade, a growing amount of information reporting the isolation and characterization of EVs from different helminth species has appeared, but unfortunately, few reports have focused on functional studies of helminth EVs in different cell lines, organoids or animal models. We here review these in vitro and in vivo studies, which clearly demonstrate that helminths secrete EVs, which affect their environment. Helminth EVs are actively internalized by different cell lines, modulating cellular functions important for host-parasite communication. We discuss how these lines of investigation should provide potential new biomarkers of infection, and since helminth EVs can modulate the host immune response, we also discuss how they can provide a new landscape for the development of new vaccine tools against helminthiases as well as immunotherapy.
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Affiliation(s)
- Christian M Sánchez-López
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Av. V.A. Estellés, s/n, 46100, Burjassot, Valencia, Spain; Joint Research Unit on Endocrinology, Nutrition and Clinical Dietetics, Health Research Institute La Fe-Universitat de València, 46026 Valencia, Spain
| | - María Trelis
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Av. V.A. Estellés, s/n, 46100, Burjassot, Valencia, Spain; Joint Research Unit on Endocrinology, Nutrition and Clinical Dietetics, Health Research Institute La Fe-Universitat de València, 46026 Valencia, Spain
| | - Dolores Bernal
- Departament de Bioquimica i Biologia Molecular, Facultat de Ciencies Biològiques, Universitat de València, C/ Dr. Moliner, 50, 46100 Burjassot, Valencia, Spain
| | - Antonio Marcilla
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Av. V.A. Estellés, s/n, 46100, Burjassot, Valencia, Spain; Joint Research Unit on Endocrinology, Nutrition and Clinical Dietetics, Health Research Institute La Fe-Universitat de València, 46026 Valencia, Spain.
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18
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Lothstein KE, Gause WC. Mining Helminths for Novel Therapeutics. Trends Mol Med 2021; 27:345-364. [PMID: 33495068 PMCID: PMC9884063 DOI: 10.1016/j.molmed.2020.12.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 12/23/2020] [Accepted: 12/28/2020] [Indexed: 01/31/2023]
Abstract
Helminths are an emerging source of therapeutics for dysregulated inflammatory diseases. Excretory/secretory (ES) molecules, released during infection, are responsible for many of these immunomodulatory effects and are likely to have evolved as a means for parasite survival in the host. While the mechanisms of action of these molecules have not been fully defined, evidence demonstrates that they target various pathways in the immune response, ranging from initiation to effector cell modulation. These molecules are applied in controlling specific effector mechanisms of type 1 and type 2 immune responses. Recently, studies have further focused on their therapeutic potential in specific disease models. Here we review recent findings on ES molecule modulation of immune functions, specifically highlighting their clinical implications for future use in inflammatory disease therapeutics.
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Affiliation(s)
- Katherine E Lothstein
- Center for Immunity and Inflammation, Department of Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - William C Gause
- Center for Immunity and Inflammation, Department of Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA.
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19
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Li H, Qiu D, Yang H, Yuan Y, Wu L, Chu L, Zhan B, Wang X, Sun Y, Xu W, Yang X. Therapeutic Efficacy of Excretory-Secretory Products of Trichinella spiralis Adult Worms on Sepsis-Induced Acute Lung Injury in a Mouse Model. Front Cell Infect Microbiol 2021; 11:653843. [PMID: 33842398 PMCID: PMC8024484 DOI: 10.3389/fcimb.2021.653843] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/08/2021] [Indexed: 12/29/2022] Open
Abstract
Acute lung injury (ALI) is a common complication of systemic inflammation or sepsis with high morbidity and mortality. Although many studies have confirmed that helminth-derived proteins had strong immunomodulatory functions and could be used to treat inflammatory diseases, there is no report on the therapeutic effect of excretory-secretory products of Trichinella spiralis adult worms (Ts-AES) on sepsis-induced ALI. In this study, the therapeutic efficacy of Ts-AES on sepsis-induced ALI and the underlying immunological mechanism and the signaling pathway were investigated. The results indicated that after being treated with Ts-AES, the survival rate of mice with CLP-induced sepsis was significantly increased to 50% for 72 hours after CLP surgery compared to PBS control group with all mice died. The sepsis-induced ALI was largely mitigated characterized by reduced inflammation cell infiltration and pathological changes in lung tissue, with decreased lung injury scores and lung wet/dry weight ratio. The therapeutic efficacy of Ts-AES is associated with stimulated Tregs response with increased regulatory cytokines IL-10 and TGF-β and downregulated pro-inflammatory cytokines (TNF-α, IL-6, IL-1β). The expression of HMGB1, TLR2 and MyD88 in lung tissue was inhibited after treatment of Ts-AES. Our results demonstrated that Ts-AES play an important role in immunomodulation and confer a therapeutic effect on sepsis-induced ALI through inhibiting pro-inflammatory cytokines. The activation of Tregs and increased level of regulatory cytokines IL-10 and TGF-β are possibly involved in the immunomodulatory functions of Ts-AES through HMGB1/TLR2/MyD88 signal pathway. The findings suggest Ts-AES is a potential therapeutic agent for prevention and treatment of sepsis-induced ALI and other inflammatory diseases.
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Affiliation(s)
- Huihui Li
- Department of Basic Medical College, Bengbu Medical College, Bengbu, China.,Anhui Key Laboratory of Infection and Immunity of Bengbu Medical College, Bengbu, China
| | - Dapeng Qiu
- Department of Orthopedics, Second Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Huijuan Yang
- Department of Basic Medical College, Bengbu Medical College, Bengbu, China.,Anhui Key Laboratory of Infection and Immunity of Bengbu Medical College, Bengbu, China
| | - Yuan Yuan
- Department of Basic Medical College, Bengbu Medical College, Bengbu, China.,Anhui Key Laboratory of Infection and Immunity of Bengbu Medical College, Bengbu, China
| | - Lingqin Wu
- Department of Basic Medical College, Bengbu Medical College, Bengbu, China.,Anhui Key Laboratory of Infection and Immunity of Bengbu Medical College, Bengbu, China
| | - Liang Chu
- Department of Orthopedics, Second Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Bin Zhan
- National School of Tropical Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Xiaoli Wang
- Department of Basic Medical College, Bengbu Medical College, Bengbu, China.,Anhui Key Laboratory of Infection and Immunity of Bengbu Medical College, Bengbu, China
| | - Yan Sun
- Department of Basic Medical College, Bengbu Medical College, Bengbu, China.,Anhui Key Laboratory of Infection and Immunity of Bengbu Medical College, Bengbu, China
| | - Wei Xu
- Department of Basic Medical College, Bengbu Medical College, Bengbu, China.,Anhui Key Laboratory of Infection and Immunity of Bengbu Medical College, Bengbu, China
| | - Xiaodi Yang
- Department of Basic Medical College, Bengbu Medical College, Bengbu, China.,Anhui Key Laboratory of Infection and Immunity of Bengbu Medical College, Bengbu, China
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20
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Gao X, Yang Y, Liu X, Wang Y, Yang Y, Boireau P, Liu M, Bai X. Extracellular vesicles derived from Trichinella spiralis prevent colitis by inhibiting M1 macrophage polarization. Acta Trop 2021; 213:105761. [PMID: 33221281 DOI: 10.1016/j.actatropica.2020.105761] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 11/03/2020] [Accepted: 11/10/2020] [Indexed: 02/07/2023]
Abstract
Extracellular vesicles (EVs) are membranous containers released by cells that are powerful agents of intercellular communication. EVs have been described for various parasites and are associated with tissue inflammation. Several studies have demonstrated that parasite EVs can have either pro- or anti-inflammatory impacts, depending on the type of parasite. To evaluate the immunomodulatory properties of EVs produced by Trichinella spiralis (T. spiralis), we established a mouse model with dextran sulphate sodium (DSS)-induced colitis. The muscle larvae of T. spiralis were cultured in vitro and the released EVs were isolated by ultracentrifugation. T. spiralis EVs (Ts-EVs) were characterized according to morphology, size and constituent surface proteins (CD63, Enolase and Hsp70). Mice were treated with water containing 3% DSS after last intraperitoneal injection of Ts-EVs. Disease activity index (DAI), macroscopic and histopathological scores of Ts-EVs group was lower than DSS group. And Ts-EVs prevented the increase in the expression of TNF-α, IFN-γ, IL-17A and IL-1β observed in the colon of DSS-treated mice. In contrast, upregulation of IL-4, IL-10, TGF-β and IL-13 expression was detected in Ts-EVs+DSS group. In addition, Ts-EVs increased the infiltration of alternatively activated (M2) macrophages into the colon. The expression of CD206 (M2 marker) in the mesenteric lymph nodes (MLN) of mice with colitis increased in Ts-EVs+DSS group. Furthermore, Ts-EVs interfered with both the NF-κB and MAPK signalling pathways. Taken together, our findings demonstrate that Ts-EVs can affect the development of inflammation in DSS-induced colitis by inhibiting M1 macrophage polarization, due to their immunomodulatory ability.
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Affiliation(s)
- Xin Gao
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yong Yang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Xiaolei Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yang Wang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yaming Yang
- Yunnan Institute of Parasitic Diseases, Xiyuan Road, Puer, Yunnan, China
| | - Pascal Boireau
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China; ANSES, INRA, ENVA, Université Paris Est, Laboratory for Animal Health, Maisons Alfort, France
| | - Mingyuan Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China.
| | - Xue Bai
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China.
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21
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Abstract
The hygiene hypothesis posits that the decreased incidence of parasitic infection in developed countries may underlie an increased prevalence of allergic and autoimmune diseases in these countries. As unique inflammation modulator of intracellular parasitism, Trichinella spiralis, or its excretory-secretory (ES) product, shows improved responses to allergies, autoimmune diseases, inflammatory bowel disease, type 1 diabetes, rheumatic arthritis and autoimmune encephalomyelitis by exerting immunomodulatory effects on both innate and adaptive immune cells in animal models. Research has shown that T. spiralis differs from other helminths in manipulation of the host immune response not only by well-known characteristics of its life cycle, but also by its inflammation modulation pathway. How the parasite achieves inflammation modulation has not been fully elucidated yet. This review will generalize the mechanism and focuses on ES immunomodulatory molecules of T. spiralis that may be important for developing new therapeutics for inflammatory disorders.
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22
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Drurey C, Coakley G, Maizels RM. Extracellular vesicles: new targets for vaccines against helminth parasites. Int J Parasitol 2020; 50:623-633. [PMID: 32659278 PMCID: PMC8313431 DOI: 10.1016/j.ijpara.2020.04.011] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 04/01/2020] [Accepted: 04/02/2020] [Indexed: 12/15/2022]
Abstract
The hunt for effective vaccines against the major helminth diseases of humans has yet to bear fruit despite much effort over several decades. No individual parasite antigen has proved to elicit full protective immunity, suggesting that combinatorial strategies may be required. Recently it has been discovered that extracellular vesicles released by parasitic helminths contain multiple potential immune modulators, which could together be targeted by a future vaccine. Increasing knowledge of helminth extracellular vesicle components, both enclosed by and exposed on the membrane, will open up a new field of targets for an effective vaccine. This review discusses the interactions between helminth extracellular vesicles and the immune system discovered thus far, and the advantages of targeting these lipid-bound packages with a vaccine. In addition, we also comment upon specific antigens that may be the best targets for an anti-helminth vaccine. In the future, extensive knowledge of the parasites' full arsenal in controlling their host may finally provide us with the ideal target for a fully effective vaccine.
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Affiliation(s)
- Claire Drurey
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, 120 University Place, Glasgow G12 8TA, UK
| | - Gillian Coakley
- Department of Immunology and Pathology, Central Clinical School, Monash University, 89 Commercial Road, Melbourne, Victoria 3004, Australia
| | - Rick M Maizels
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, 120 University Place, Glasgow G12 8TA, UK.
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23
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Sotillo J, Robinson MW, Kimber MJ, Cucher M, Ancarola ME, Nejsum P, Marcilla A, Eichenberger RM, Tritten L. The protein and microRNA cargo of extracellular vesicles from parasitic helminths - current status and research priorities. Int J Parasitol 2020; 50:635-645. [PMID: 32652128 DOI: 10.1016/j.ijpara.2020.04.010] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/18/2020] [Accepted: 04/21/2020] [Indexed: 12/16/2022]
Abstract
Helminth parasites have a remarkable ability to persist within their mammalian hosts, which is largely due to their secretion of molecules with immunomodulatory properties. Although the soluble components of helminth secretions have been extensively studied, the discovery that helminths release extracellular vesicles (EVs) has added further complexity to the host-parasite interaction. Whilst several studies have begun to characterise the molecules carried by helminth EVs, work aimed at investigating their biological functions has been hindered by a lack of helminth-specific EV markers. To begin to address this, we summarised helminth EV literature to date. With a focus on the protein and microRNA (miRNA) cargo, we aimed to detect similarities and differences across those major groups of helminths for which data are available; namely nematodes, trematodes and cestodes. Pfam analysis revealed that although there is no universal EV marker for all helminth species, the EF-hand protein family was present in all EV datasets from cestodes and trematodes, and could serve as a platyhelminth EV biomarker. In contrast, M13 metallopeptidases and actin may have potential as markers for nematode EVs. As with proteins, many miRNA families appeared to be species-, stage-, or dataset-specific. Two miRNA families were common to nematode EVs (mir-10 and let-7); the miRNA cargo of EVs secreted by clade I species appeared somewhat different from species from other clades. Five miRNA families (mir-71, mir-10, mir-190, let-7 and mir-2) were shared by all trematode species examined. Our analysis has identified novel markers that may be used in studies aimed at characterising helminth EVs and interrogating their function at the host-parasite interface. In addition, we discuss the heterogeneity of methods used for helminth EV isolation and emphasise the need for a standardised approach in reporting on helminth EV data.
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Affiliation(s)
- Javier Sotillo
- Centro Nacional de Microbiologia, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain.
| | - Mark W Robinson
- School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast, Northern Ireland, United Kingdom
| | - Michael J Kimber
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA
| | - Marcela Cucher
- Instituto de Investigaciones en Microbiología y Parasitología Médica (IMPaM, UBA-CONICET), Paraguay 2155 Piso 13 (CP1121), Buenos Aires, Argentina
| | - María Eugenia Ancarola
- Instituto de Investigaciones en Microbiología y Parasitología Médica (IMPaM, UBA-CONICET), Paraguay 2155 Piso 13 (CP1121), Buenos Aires, Argentina
| | - Peter Nejsum
- Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 45, 8200 Aarhus, Denmark
| | - Antonio Marcilla
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Burjassot, Valencia, Spain; Joint Research Unit on Endocrinology, Nutrition and Clinical Dietetics, Health Research Institute La Fe, Universitat de Valencia, Valencia, Spain
| | - Ramon M Eichenberger
- Institute of Parasitology, University of Zurich, Winterthurerstrasse 266a, CH-8057 Zurich, Switzerland.
| | - Lucienne Tritten
- Institute of Parasitology, University of Zurich, Winterthurerstrasse 266a, CH-8057 Zurich, Switzerland.
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24
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Yang Y, Liu L, Liu X, Zhang Y, Shi H, Jia W, Zhu H, Jia H, Liu M, Bai X. Extracellular Vesicles Derived From Trichinella spiralis Muscle Larvae Ameliorate TNBS-Induced Colitis in Mice. Front Immunol 2020; 11:1174. [PMID: 32595641 PMCID: PMC7300183 DOI: 10.3389/fimmu.2020.01174] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 05/12/2020] [Indexed: 01/01/2023] Open
Abstract
Helminths are masters at modulating the host immune response through a wide variety of versatile mechanisms. These complex strategies facilitate parasite survival in the host and can also be exploited to prevent chronic immune disorders by minimizing excessive inflammation. Extracellular vesicles (EVs) are small membrane-bound structures secreted by helminths which mediate immune evasion during parasite infection. The goal of this study was to investigate the immunoregulatory properties of Trichinella spiralis EVs (Ts-EVs) in a murine model of colitis. We found that Ts-EVs significantly ameliorated 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced colitis in mice. Ts-EVs alleviated intestinal epithelium barrier damage, markedly reduced pro-inflammatory cytokine secretion and neutrophil infiltration, and upregulated immunoregulatory cytokine expression in colon tissue. Ts-EVs also modulated the adaptive immune response by influencing T-cell composition. The numbers of Th1 and Th17 cells in MLNs, as well as the expression levels of Th1/Th17-associated cytokines and transcription factors in colon were reduced. In contrast, Th2 and Treg cells were increased after Ts-EVs treatment. Furthermore, sequencing of EV-derived microRNAs (miRNAs) indicated that an array of miRNAs was involved in the regulation of the host immune response, including inflammation. These findings expand our knowledge of host-parasite interactions, and may help design novel and effective strategies to prevent parasite infections or to treat inflammatory diseases like IBD. Further studies are needed to identify the specific cargo molecules carried by Ts-EVs and to clarify their roles during T. spiralis infection.
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Affiliation(s)
- Yong Yang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Lei Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Xiaolei Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - YuanYuan Zhang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Haining Shi
- Mucosal Immunology and Biology Research Center, Massachusetts General Hospital, Boston, MA, United States
| | - Wanzhong Jia
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - HongFei Zhu
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Hong Jia
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Mingyuan Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Xue Bai
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
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25
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Sánchez-López CM, Trelis M, Jara L, Cantalapiedra F, Marcilla A, Bernal D. Diversity of extracellular vesicles from different developmental stages of Fasciola hepatica. Int J Parasitol 2020; 50:663-669. [PMID: 32531305 DOI: 10.1016/j.ijpara.2020.03.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/13/2020] [Accepted: 03/23/2020] [Indexed: 12/12/2022]
Abstract
The secretion of extracellular vesicles (EVs) in Fasciola hepatica adult worms was described by our group in 2012. Since then, EVs have been found in other helminths, thus providing a new paradigm for the complete understanding of host-parasite communication. However, information was lacking regarding the possible existence and role of EVs from other developmental stages of the parasite. In this study, we confirm the secretion of EVs by F. hepatica eggs and juvenile forms. EVs were isolated by size exclusion chromatography and characterised by nanoparticle tracking analysis and electron microscopy. We observed a large diversity in the morphologies of these EVs, suggesting specific functions for different subpopulations, as has been proposed in other model systems. The identification of these populations of morphologically diverse EVs will facilitate future studies aimed at biochemically characterising the different classes of these vesicles as a first step in deciphering their role in host-parasite communication.
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Affiliation(s)
- Christian M Sánchez-López
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Av. V.A. Estellés, s/n, 46100 Burjassot (Valencia), Spain; Joint Research Unit on Endocrinology, Nutrition and Clinical Dietetics, Health Research Institute La Fe, Universitat de Valencia, 46026 Valencia, Spain
| | - María Trelis
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Av. V.A. Estellés, s/n, 46100 Burjassot (Valencia), Spain; Joint Research Unit on Endocrinology, Nutrition and Clinical Dietetics, Health Research Institute La Fe, Universitat de Valencia, 46026 Valencia, Spain
| | - Lidia Jara
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Av. V.A. Estellés, s/n, 46100 Burjassot (Valencia), Spain
| | - Fernando Cantalapiedra
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Av. V.A. Estellés, s/n, 46100 Burjassot (Valencia), Spain; Veterinari de Salut Pública, Centre de Salut Pública de Manises, 46940 Manises (Valencia), Spain
| | - Antonio Marcilla
- Àrea de Parasitologia, Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Av. V.A. Estellés, s/n, 46100 Burjassot (Valencia), Spain; Joint Research Unit on Endocrinology, Nutrition and Clinical Dietetics, Health Research Institute La Fe, Universitat de Valencia, 46026 Valencia, Spain.
| | - Dolores Bernal
- Departament de Bioquimica i Biologia Molecular, Facultat de Ciencies Biologiques, Universitat de València, C/ Dr. Moliner, 50, 46100 Burjassot (Valencia), Spain.
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26
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Preliminary Trichinella spiralis Infection Ameliorates Subsequent RSV Infection-Induced Inflammatory Response. Cells 2020; 9:cells9051314. [PMID: 32466130 PMCID: PMC7290565 DOI: 10.3390/cells9051314] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 05/20/2020] [Accepted: 05/22/2020] [Indexed: 12/21/2022] Open
Abstract
Respiratory syncytial virus (RSV) infection affects the lives of neonates throughout the globe, causing a high rate of mortality upon hospital admission. Yet, therapeutic options to deal with this pulmonary pathogen are currently limited. Helminth therapy has been well received for its immunomodulatory role in hosts, which are crucial for mitigating a multitude of diseases. Therefore, in this study, we used the helminth Trichinella spiralis and assessed its capabilities for modulating RSV infection as well as the inflammatory response induced by it in mice. Our results revealed that RSV-specific antibody responses were enhanced by pre-existing T. spiralis infection, which also limited pulmonary viral replication. Diminished lung inflammation, indicated by reduced pro-inflammatory cytokines and inflammatory cell influx was confirmed, as well as through histopathological assessment. We observed that inflammation-associated nuclear factor kappa-light-chain enhancement of activated B cells (NF-κB) and its phosphorylated forms were down-regulated, whereas antioxidant-associated nuclear factor erythroid 2-related factor 2 (Nrf2) protein expression was upregulated in mice co-infected with T. spiralis and RSV. Upregulated Nrf2 expression contributed to increased antioxidant enzyme expression, particularly NQO1 which relieved the host of oxidative stress-induced pulmonary inflammation caused by RSV infection. These findings indicate that T. spiralis can mitigate RSV-induced inflammation by upregulating the expression of antioxidant enzymes.
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