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Pinheiro AAS, Caruso-Neves C, Rocco PRM. Extracellular vesicles in malaria: Pathogenesis, diagnosis and therapy. CURRENT TOPICS IN MEMBRANES 2024; 94:107-132. [PMID: 39370204 DOI: 10.1016/bs.ctm.2024.06.006] [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
Malaria is a life-threatening disease caused by parasites from the genus Plasmodium. Five species can cause malaria in humans, with Plasmodium vivax being the most common in many countries and Plasmodium falciparum having the highest lethality, which can lead to cerebral malaria. Extracellular vesicles (EVs) are in focus in malaria research to better understand pathogenesis, diagnosis, therapy, and prognosis. Malaria-causing parasites use EVs to transfer their molecules to host cells, a mechanism that significantly contributes to parasite survival and successful infection. EVs have thus emerged as an essential component of the immunopathological cascade of malaria, playing a pivotal role in disease progression and severity. This chapter discusses the epidemiology and pathogenesis of malaria and the role of EVs as new diagnostic and therapeutic tools, emphasizing their potential clinical significance.
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Affiliation(s)
- Ana Acacia S Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Celso Caruso-Neves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil; 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 Janeiro, RJ, Brazil; National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, RJ, Brazil
| | - Patricia R M Rocco
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil; 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 Janeiro, RJ, Brazil; National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, RJ, Brazil.
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2
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Vidal AS, Zauli RC, Batista WL, Xander P. Extracellular vesicles release from protozoa parasite and animal model. CURRENT TOPICS IN MEMBRANES 2024; 94:85-106. [PMID: 39370214 DOI: 10.1016/bs.ctm.2024.06.007] [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
Diseases caused by protozoan parasites, such as leishmaniasis, trypanosomiasis, and malaria, are highly complex and together continue to cause high annual morbidity and mortality. The search for new compounds in environmental biodiversity, repositioning known drugs, and developing vaccines using old and innovative technologies have been employed to discover vaccines and new and alternative treatments. Extracellular vesicles (EVs) can carry parasite antigens, creating a new possibility to develop an effective and affordable platform for treatment, vaccines, and drug delivery. Thus, the evaluation of EVs in animal models can and should be explored among the countless biomedical applications. Herein, we will address the concept of EVs, their acquisition and characterization in protozoan parasite models, and the primary studies using these vesicles in therapeutic applications.
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Affiliation(s)
- Andrey Sladkevicius Vidal
- Programa de Pós-Graduação Biologia-Química, Instituto de Ciências Ambientais Químicas e Farmacêuticas, Universidade Federal de São Paulo, Campus Diadema, Diadema, Brazil
| | - Rogéria Cristina Zauli
- Programa de Pós-Graduação Biologia-Química, Instituto de Ciências Ambientais Químicas e Farmacêuticas, Universidade Federal de São Paulo, Campus Diadema, Diadema, Brazil
| | - Wagner Luiz Batista
- Departamento de Ciências Farmacêuticas, Instituto de Ciências Ambientais Químicas e Farmacêuticas, Universidade Federal de São Paulo, Campus Diadema, Diadema, Brazil
| | - Patricia Xander
- Programa de Pós-Graduação Biologia-Química, Instituto de Ciências Ambientais Químicas e Farmacêuticas, Universidade Federal de São Paulo, Campus Diadema, Diadema, Brazil; Departamento de Ciências Farmacêuticas, Instituto de Ciências Ambientais Químicas e Farmacêuticas, Universidade Federal de São Paulo, Campus Diadema, Diadema, Brazil.
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3
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Zhou W, Li X, Yang X, Ye B. The In Vitro Promoting Angiogenesis Roles of Exosomes Derived from the Protoscoleces of Echinococcus multilocularis. J Microbiol Biotechnol 2024; 34:1410-1418. [PMID: 38858095 PMCID: PMC11294651 DOI: 10.4014/jmb.2403.03042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/05/2024] [Accepted: 05/13/2024] [Indexed: 06/12/2024]
Abstract
Alveolar echinococcosis (AE) is a persistent parasite condition that causes the formation of tumor-like growths. It is a challenge to treat the disease. These growths need neovascularization to get their oxygen and nutrients, and the disease is prolonged and severe. Considerable research has been conducted on exosomes and their interactions with Echinococcus multilocularis in the context of immunological evasion by the host. However, the extent of their involvement in angiogenesis needs to be conducted. The primary objective of this investigation was to preliminarily explore the effect of exosomes produced from E. multilocularis protoscoleces (PSC-exo) on angiogenesis, to elucidate the mechanism of their roles in the regulation of the downstream pathway of VEGFA activation, and to provide ideas for the development of novel treatments for AE. The study evaluated the impact of PSC-exo increases proliferation, migration, invasion, and tube formation of HUVECs at concentrations of up to 50 μg/ml. In addition, the study sought to validate the findings in vivo. This effect involved increased VEGFA expression at gene and protein levels and AKT/mTOR pathway activation. PSC-exo are crucial in promoting angiogenesis through VEGFA upregulation and AKT/mTOR signaling. This research contributes to our knowledge of neovascularization in AE.
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Affiliation(s)
- Wenjing Zhou
- Department of Pathogen Biology, College of Basic Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Xiang Li
- Department of Pathogen Biology, College of Basic Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Xinqi Yang
- Department of Pathogen Biology, College of Basic Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Bin Ye
- Department of Pathogen Biology, College of Basic Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
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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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5
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Lv Y, Wu S, Nie Q, Liu S, Xu W, Chen G, Du Y, Chen J. Extracellular vesicles derived from plasmodium-infected red blood cells alleviate cerebral malaria in plasmodium berghei ANKA-infected C57BL/6J mice. Int Immunopharmacol 2024; 132:111982. [PMID: 38569430 DOI: 10.1016/j.intimp.2024.111982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 03/15/2024] [Accepted: 03/28/2024] [Indexed: 04/05/2024]
Abstract
RTS,S is the first malaria vaccine recommended for implementation among young children at risk. However, vaccine efficacy is modest and short-lived. To mitigate the risk of cerebral malaria (CM) among children under the age of 5, it is imperative to develop new vaccines. EVs are potential vaccine candidates as they obtain the ability of brain-targeted delivery and transfer plasmodium antigens and immunomodulators during infections. This study extracted EVs from BALB/c mice infected with Plasmodium yoelii 17XNL (P.y17XNL). C57BL/6J mice were intravenously immunized with EVs (EV-I.V. + CM group) or subcutaneously vaccinated with the combination of EVs and CpG ODN-1826 (EV + CPG ODN-S.C. + CM group) on days 0 and 20, followed by infection with Plasmodium berghei ANKA (P.bANKA) on day 20 post-second immunization. We monitored Parasitemia and survival rate. The integrity of the Blood-brain barrier (BBB) was examined using Evans blue staining.The levels of cytokines and adhesion molecules were evaluated using Luminex, RT-qPCR, and WB. Brain pathology was evaluated by hematoxylin and eosin and immunohistochemical staining. The serum levels of IgG, IgG1, and IgG2a were analyzed by enzyme-linked immunosorbent assay. Compared with those in the P.bANKA-infected group, parasitemia increased slowly, death was delayed (day 10 post-infection), and the survival rate reached 75 %-83.3 % in the EV-I.V. + ECM and EV + CPG ODN-S.C. + ECM groups. Meanwhile, compared with the EV + CPG ODN-S.C. + ECM group, although parasitemia was almost the same, the survival rate increased in the EV-I.V. + ECM group.Additionally, EVs immunization markedly downregulated inflammatory responses in the spleen and brain and ameliorated brain pathological changes, including BBB disruption and infected red blood cell (iRBC) sequestration. Furthermore, the EVs immunization group exhibited enhanced antibody responses (upregulation of IgG1 and IgG2a production) compared to the normal control group. EV immunization exerted protective effects, improving the integrity of the BBB, downregulating inflammation response of brain tissue, result in reduces the incidence of CM. The protective effects were determined by immunological pathways and brain targets elicited by EVs. Intravenous immunization exhibited better performance than subcutaneous immunization, which perhaps correlated with EVs, which can naturally cross BBB to play a better role in brain protection.
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Affiliation(s)
- Yinyi Lv
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou 318000, China
| | - Shuang Wu
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou 318000, China
| | - Qing Nie
- Weifang Centers for Disease Control and Prevention, No 4801 Huixian Road, Gaoxin Distric, Weifang 261061, Shandong Province, China
| | - Shuangchun Liu
- Municipal Hospital Affiliated to Medical School of Taizhou University, No 381, Zhongshan East Road, Jiaojiang District, Taizhou 318000, China
| | - Wenxin Xu
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou 318000, China
| | - Guang Chen
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou 318000, China.
| | - Yunting Du
- Department of Laboratory Medicine, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, NO. 44 Xiaoheyan Road, Dadong District, Shenyang 110042, China.
| | - Jinguang Chen
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou 318000, China.
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6
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Bertuccini L, Boussadia Z, Salzano AM, Vanni I, Passerò I, Nocita E, Scaloni A, Sanchez M, Sargiacomo M, Fiani ML, Tosini F. Unveiling Cryptosporidium parvum sporozoite-derived extracellular vesicles: profiling, origin, and protein composition. Front Cell Infect Microbiol 2024; 14:1367359. [PMID: 38660488 PMCID: PMC11039866 DOI: 10.3389/fcimb.2024.1367359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 03/18/2024] [Indexed: 04/26/2024] Open
Abstract
Cryptosporidium parvum is a common cause of a zoonotic disease and a main cause of diarrhea in newborns. Effective drugs or vaccines are still lacking. Oocyst is the infective form of the parasite; after its ingestion, the oocyst excysts and releases four sporozoites into the host intestine that rapidly attack the enterocytes. The membrane protein CpRom1 is a large rhomboid protease that is expressed by sporozoites and recognized as antigen by the host immune system. In this study, we observed the release of CpRom1 with extracellular vesicles (EVs) that was not previously described. To investigate this phenomenon, we isolated and resolved EVs from the excystation medium by differential ultracentrifugation. Fluorescence flow cytometry and transmission electron microscopy (TEM) experiments identified two types of sporozoite-derived vesicles: large extracellular vesicles (LEVs) and small extracellular vesicles (SEVs). Nanoparticle tracking analysis (NTA) revealed mode diameter of 181 nm for LEVs and 105 nm for SEVs, respectively. Immunodetection experiments proved the presence of CpRom1 and the Golgi protein CpGRASP in LEVs, while immune-electron microscopy trials demonstrated the localization of CpRom1 on the LEVs surface. TEM and scanning electron microscopy (SEM) showed that LEVs were generated by means of the budding of the outer membrane of sporozoites; conversely, the origin of SEVs remained uncertain. Distinct protein compositions were observed between LEVs and SEVs as evidenced by their corresponding electrophoretic profiles. Indeed, a dedicated proteomic analysis identified 5 and 16 proteins unique for LEVs and SEVs, respectively. Overall, 60 proteins were identified in the proteome of both types of vesicles and most of these proteins (48 in number) were already identified in the molecular cargo of extracellular vesicles from other organisms. Noteworthy, we identified 12 proteins unique to Cryptosporidium spp. and this last group included the immunodominant parasite antigen glycoprotein GP60, which is one of the most abundant proteins in both LEVs and SEVs.
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Affiliation(s)
| | - Zaira Boussadia
- National Center for Drug Research and Evaluation, Istituto Superiore di Sanità, Rome, Italy
| | - Anna Maria Salzano
- Proteomics, Metabolomics and Mass Spectrometry laboratory, ISPAAM, Consiglio Nazionale delle Ricerche, Portici, Italy
| | - Ilaria Vanni
- Department of Food Safety, Nutrition and Veterinary Public Health, SANV, Istituto Superiore di Sanità, Rome, Italy
| | - Ilaria Passerò
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Emanuela Nocita
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Andrea Scaloni
- Proteomics, Metabolomics and Mass Spectrometry laboratory, ISPAAM, Consiglio Nazionale delle Ricerche, Portici, Italy
| | | | - Massimo Sargiacomo
- National Center for Global Health, Istituto Superiore di Sanità, Rome, Italy
| | - Maria Luisa Fiani
- National Center for Global Health, Istituto Superiore di Sanità, Rome, Italy
| | - Fabio Tosini
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
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7
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Zhang L, Chi J, Wu H, Xia X, Xu C, Hao H, Liu Z. Extracellular vesicles and endothelial dysfunction in infectious diseases. JOURNAL OF EXTRACELLULAR BIOLOGY 2024; 3:e148. [PMID: 38938849 PMCID: PMC11080793 DOI: 10.1002/jex2.148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 02/20/2024] [Accepted: 03/14/2024] [Indexed: 06/29/2024]
Abstract
Cardiovascular diseases (CVDs) remain the leading cause of mortality and morbidity globally. Studies have shown that infections especially bacteraemia and sepsis are associated with increased risks for endothelial dysfunction and related CVDs including atherosclerosis. Extracellular vesicles (EVs) are small, sealed membrane-derived structures that are released into body fluids and blood from cells and/or microbes and are critically involved in a variety of important cell functions and disease development, including intercellular communications, immune responses and inflammation. It is known that EVs-mediated mechanism(s) is important in the development of endothelial dysfunction in infections with a diverse spectrum of microorganisms including Escherichia coli, Candida albicans, SARS-CoV-2 (the virus for COVID-19) and Helicobacter pylori. H. pylori infection is one of the most common infections globally. During H. pylori infection, EVs can carry H. pylori components, such as lipopolysaccharide, cytotoxin-associated gene A, or vacuolating cytotoxin A, and transfer these substances into endothelial cells, triggering inflammatory responses and endothelial dysfunction. This review is to illustrate the important role of EVs in the pathogenesis of infectious diseases, and the development of endothelial dysfunction in infectious diseases especially H. pylori infection, and to discuss the potential mechanisms and clinical implications.
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Affiliation(s)
- Linfang Zhang
- Department of GastroenterologyThe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
- Center for Precision Medicine and Division of Cardiovascular MedicineDepartment of MedicineUniversity of Missouri School of MedicineColumbiaMissouriUSA
| | - Jingshu Chi
- Center for Precision Medicine and Division of Cardiovascular MedicineDepartment of MedicineUniversity of Missouri School of MedicineColumbiaMissouriUSA
- Department of Gastroenterologythe Third Xiangya HospitalCentral South UniversityChangshaHunanChina
| | - Hao Wu
- Center for Precision Medicine and Division of Cardiovascular MedicineDepartment of MedicineUniversity of Missouri School of MedicineColumbiaMissouriUSA
| | - Xiujuan Xia
- Center for Precision Medicine and Division of Cardiovascular MedicineDepartment of MedicineUniversity of Missouri School of MedicineColumbiaMissouriUSA
| | - Canxia Xu
- Department of Gastroenterologythe Third Xiangya HospitalCentral South UniversityChangshaHunanChina
| | - Hong Hao
- Center for Precision Medicine and Division of Cardiovascular MedicineDepartment of MedicineUniversity of Missouri School of MedicineColumbiaMissouriUSA
| | - Zhenguo Liu
- Center for Precision Medicine and Division of Cardiovascular MedicineDepartment of MedicineUniversity of Missouri School of MedicineColumbiaMissouriUSA
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8
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Dey S, Mohapatra S, Khokhar M, Hassan S, Pandey RK. Extracellular Vesicles in Malaria: Shedding Light on Pathogenic Depths. ACS Infect Dis 2024; 10:827-844. [PMID: 38320272 PMCID: PMC10928723 DOI: 10.1021/acsinfecdis.3c00649] [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: 11/26/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 02/08/2024]
Abstract
Malaria, a life-threatening infectious disease caused by Plasmodium falciparum, remains a significant global health challenge, particularly in tropical and subtropical regions. The epidemiological data for 2021 revealed a staggering toll, with 247 million reported cases and 619,000 fatalities attributed to the disease. This formidable global health challenge continues to perplex researchers seeking a comprehensive understanding of its pathogenesis. Recent investigations have unveiled the pivotal role of extracellular vesicles (EVs) in this intricate landscape. These tiny, membrane-bound vesicles, secreted by diverse cells, emerge as pivotal communicators in malaria's pathogenic orchestra. This Review delves into the multifaceted roles of EVs in malaria pathogenesis, elucidating their impact on disease progression and immune modulation. Insights into EV involvement offer potential therapeutic and diagnostic strategies. Integrating this information identifies targets to mitigate malaria's global impact. Moreover, this Review explores the potential of EVs as diagnostic biomarkers and therapeutic targets in malaria. By deciphering the intricate dialogue facilitated by these vesicles, new avenues for intervention and novel strategies for disease management may emerge.
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Affiliation(s)
- Sangita Dey
- CSO
Department, Cellworks Research India Pvt
Ltd, Bengaluru 560066, Karnataka, India
| | - Salini Mohapatra
- Department
of Biotechnology, Chandigarh University, Punjab 140413, India
| | - Manoj Khokhar
- Department
of Biochemistry, All India Institute of
Medical Sciences Jodhpur, Rajasthan 342005, India
| | - Sana Hassan
- Department
of Life Sciences, Manipal Academy of Higher
Education, Dubai 345050, United Arab Emirates
| | - Rajan Kumar Pandey
- Department
of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm 17177, Sweden
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Heidarpour M, Krockenberger M, Bennett P. Review of exosomes and their potential for veterinary medicine. Res Vet Sci 2024; 168:105141. [PMID: 38218063 DOI: 10.1016/j.rvsc.2024.105141] [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: 06/14/2023] [Revised: 12/15/2023] [Accepted: 01/03/2024] [Indexed: 01/15/2024]
Abstract
Small extracellular vesicles called exosomes are released by almost all cell types and play a crucial role in both healthy and pathological circumstances. Exosomes, found in biological fluids (including plasma, urine, milk, semen, saliva, abdominal fluid and cervical vaginal fluid) and ranging in size from 50 to 150 nm, are critical for intercellular communication. Analysis of exosomal cargos, including micro RNAs (miRNAs), proteins and lipids, has been proposed as valuable diagnostic and prognostic biomarkers of disease. Exosomes can also be used as novel, cell-free, treatment strategies. In this review, we discuss the role, significance and application of exosomes and their cargos in diseases of animals.
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Affiliation(s)
- Mohammad Heidarpour
- Department of Clinical Sciences, School of Veterinary Medicine, Ferdowsi University of Mashhad, PO Box 91775-1793, Mashhad, Iran; Sydney School of Veterinary Science, Faculty of Science, University of Sydney, Sydney, New South Wales 2006, Australia.
| | - Mark Krockenberger
- Sydney School of Veterinary Science, Faculty of Science, University of Sydney, Sydney, New South Wales 2006, Australia.
| | - Peter Bennett
- Sydney School of Veterinary Science, Faculty of Science, University of Sydney, Sydney, New South Wales 2006, Australia.
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10
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Teymouri S, Pourhajibagher M, Bahador A. Exosomes: Friends or Foes in Microbial Infections? Infect Disord Drug Targets 2024; 24:e170124225730. [PMID: 38317472 DOI: 10.2174/0118715265264388231128045954] [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: 06/16/2023] [Revised: 10/24/2023] [Accepted: 10/27/2023] [Indexed: 02/07/2024]
Abstract
The use of new approaches is necessary to address the global issue of infections caused by drug-resistant pathogens. Antimicrobial photodynamic therapy (aPDT) is a promising approach that reduces the emergence of drug resistance, and no resistance has been reported thus far. APDT involves using a photosensitizer (PS), a light source, and oxygen. The mechanism of aPDT is that a specific wavelength of light is directed at the PS in the presence of oxygen, which activates the PS and generates reactive oxygen species (ROS), consequently causing damage to microbial cells. However, due to the PS's poor stability, low solubility in water, and limited bioavailability, it is necessary to employ drug delivery platforms to enhance the effectiveness of PS in photodynamic therapy (PDT). Exosomes are considered a desirable carrier for PS due to their specific characteristics, such as low immunogenicity, innate stability, and high ability to penetrate cells, making them a promising platform for drug delivery. Additionally, exosomes also possess antimicrobial properties, although in some cases, they may enhance microbial pathogenicity. As there are limited studies on the use of exosomes for drug delivery in microbial infections, this review aims to present significant points that can provide accurate insights.
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Affiliation(s)
- Samane Teymouri
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Pourhajibagher
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Bahador
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Fellowship in Clinical Laboratory Sciences, BioHealth Lab, Tehran, Iran
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11
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Yan L, Li Y, Li R, Liu M, He X, Yang X, Cho WC, Ayaz M, Kandil OM, Yang Y, Song H, Zheng Y. Comparative characterization of microRNA-71 of Echinococcus granulosus exosomes. Parasite 2023; 30:55. [PMID: 38084936 PMCID: PMC10714675 DOI: 10.1051/parasite/2023060] [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: 05/07/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
Cystic echinococcosis (CE) is a global zoonotic disease caused by Echinococcus granulosus, posing a great threat to human and animal health. MiRNAs are small regulatory noncoding RNA involved in the pathogenesis of parasitic diseases, possibly via exosomes. Egr-miR-71 has been identified as one of the miRNAs in the blood of CE patients, but its secretory characteristics and functions remains unclear. Herein, we studied the secretory and biological activity of exosomal egr-miR-71 and its immunoregulatory functions in sheep peripheral blood mononuclear cells (PBMCs). Our results showed that egr-miR-71 was enriched in the exosome secreted by protoscoleces with biological activity. These egr-miR-71-containing exosomes were easily internalized and then induced the dysregulation of cytokines (IL-10 and TNF-α), nitric oxide (NO) and key components (CD14 and IRF5) in the LPS/TLR4 pathway in the coincubated sheep PBMCs. Similarly, egr-miR-71 overexpression also altered the immune functions but exhibited obvious differences in regulation of the cytokines and key components, preferably inhibiting proinflammatory cytokines (IL-1α, IL-1β and TNF-α). These results demonstrate that exosomal egr-miR-71 is bioactive and capacity of immunomodulation of PBMCs, potentially being involved in immune responses during E. granulosus infection.
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Affiliation(s)
- Lujun Yan
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University Hangzhou 311300 China
| | - Yating Li
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University Hangzhou 311300 China
| | - Rui Li
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University Hangzhou 311300 China
| | - Mengqi Liu
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University Hangzhou 311300 China
| | - Xuedong He
- College of Animal sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fujian-Taiwan Key Laboratory of Animal Pathogen Biology Fuzhou 350002 China
| | - Xing Yang
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Department of Medical Microbiology and Immunology, School of Basic Medicine, Dali University Dali 671000 Yunnan China
| | - William C. Cho
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Department of Clinical Oncology, Queen Elizabeth Hospital Hong Kong SAR China
| | - Mazhar Ayaz
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Cholistan University of Veterinary and Animal Sciences Bahawalpur 73000 Pakistan
| | - Omnia M. Kandil
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Depterment of Parasitology and Animal Disease, Veterinary Research Institute, National Research Centre Giza 12622 Egypt
| | - Yongchun Yang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University Hangzhou 311300 China
| | - Houhui Song
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University Hangzhou 311300 China
| | - Yadong Zheng
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection & Internet Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University Hangzhou 311300 China
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12
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Alfandari D, Cadury S, Morandi MI, Regev-Rudzki N. Transforming parasites into their own foes: parasitic extracellular vesicles as a vaccine platform. Trends Parasitol 2023; 39:913-928. [PMID: 37758631 DOI: 10.1016/j.pt.2023.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 08/24/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023]
Abstract
Parasitic diseases continue to afflict millions of people globally. However, traditional vaccine development strategies are often difficult to apply to parasites, leaving an immense unmet need for new effective vaccines for the prevention and control of parasitic infections. As parasites commonly use extracellular vesicles (EVs) to interact with, interfere with, or modulate the host immune response from a distance, parasite-derived EVs may provide promising vaccine agents that induce immunity against parasitic infections. We here present achievements to date and the challenges and limitations associated with using parasitic EVs in a clinical context. Despite the many difficulties that need to be overcome, we believe this direction could offer a new and reliable source of therapeutics for various neglected parasitic diseases.
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Affiliation(s)
- Daniel Alfandari
- Department of Biomolecular Sciences, Faculty of Biochemistry, Weizmann Institute of Science, Rehovot, Israel
| | - Sharon Cadury
- Department of Biomolecular Sciences, Faculty of Biochemistry, Weizmann Institute of Science, Rehovot, Israel
| | - Mattia I Morandi
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Science, Prague, Czech Republic.
| | - Neta Regev-Rudzki
- Department of Biomolecular Sciences, Faculty of Biochemistry, Weizmann Institute of Science, Rehovot, Israel.
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13
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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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14
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Tiberti N, Longoni SS, Combes V, Piubelli C. Host-Derived Extracellular Vesicles in Blood and Tissue Human Protozoan Infections. Microorganisms 2023; 11:2318. [PMID: 37764162 PMCID: PMC10536481 DOI: 10.3390/microorganisms11092318] [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: 07/31/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Blood and tissue protozoan infections are responsible for an enormous burden in tropical and subtropical regions, even though they can also affect people living in high-income countries, mainly as a consequence of migration and travel. These pathologies are responsible for heavy socio-economic issues in endemic countries, where the lack of proper therapeutic interventions and effective vaccine strategies is still hampering their control. Moreover, the pathophysiological mechanisms associated with the establishment, progression and outcome of these infectious diseases are yet to be fully described. Among all the players, extracellular vesicles (EVs) have raised significant interest during the last decades due to their capacity to modulate inter-parasite and host-parasite interactions. In the present manuscript, we will review the state of the art of circulating host-derived EVs in clinical samples or in experimental models of human blood and tissue protozoan diseases (i.e., malaria, leishmaniasis, Chagas disease, human African trypanosomiasis and toxoplasmosis) to gain novel insights into the mechanisms of pathology underlying these conditions and to identify novel potential diagnostic markers.
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Affiliation(s)
- Natalia Tiberti
- Department of Infectious, Tropical Diseases and Microbiology, IRCCS Sacro Cuore Don Calabria Hospital, 37024 Negrar di Valpolicella, Italy; (S.S.L.); (C.P.)
| | - Silvia Stefania Longoni
- Department of Infectious, Tropical Diseases and Microbiology, IRCCS Sacro Cuore Don Calabria Hospital, 37024 Negrar di Valpolicella, Italy; (S.S.L.); (C.P.)
| | - Valéry Combes
- Microvesicles and Malaria Research Group, School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia;
| | - Chiara Piubelli
- Department of Infectious, Tropical Diseases and Microbiology, IRCCS Sacro Cuore Don Calabria Hospital, 37024 Negrar di Valpolicella, Italy; (S.S.L.); (C.P.)
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15
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Chen JG, Liu SC, Nie Q, Du YT, Lv YY, He LP, Chen G. Exosome-derived long noncoding RNAs: Mediators of host-Plasmodium parasite communication. WILEY INTERDISCIPLINARY REVIEWS. RNA 2023:e1808. [PMID: 37553236 DOI: 10.1002/wrna.1808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 06/21/2023] [Accepted: 06/27/2023] [Indexed: 08/10/2023]
Abstract
Overcoming challenges associated with malaria eradication proves to be a formidable task due to the complicated life cycle exhibited by the malaria parasite and the lack of safe and enduring vaccines against malaria. Investigating the interplay between Plasmodium parasites and their mammalian hosts is crucial for the development of novel vaccines. Long noncoding RNAs (lncRNAs) derived from Plasmodium parasites or host cells have emerged as potential signaling molecules involved in the trafficking of proteins, RNA (mRNAs, miRNAs, and ncRNAs), and DNA. These lncRNAs facilitate the interaction between hosts and parasites, impacting normal physiology or pathology in malaria-infected individuals. Moreover, they possess the capacity to regulate immune responses and associated signaling pathways, thus potentially influencing chromatin organization, epigenetic modifications, mRNA processing, splicing, and translation. However, the functional role of exosomal lncRNAs in malaria remains poorly understood. This review offers a comprehensive analysis of lncRNA and exosomal lncRNA profiles during malaria infection. It presents an overview of recent progress in elucidating the involvement of exosomal lncRNAs in host-parasite interactions. Additionally, potential exosomal lncRNAs linked to the domains of innate and adaptive immunity in the context of malaria are proposed. These findings may contribute to the discovery of new diagnostic and therapeutic strategies for malaria. Furthermore, the need for additional research was highlighted that aimed to elucidate the mechanisms underlying lncRNA transportation into host cells and their targeting of specific genes to regulate the host's immune response. This knowledge gap presents an opportunity for future investigations, offering innovative approaches to enhance malarial control. This article is categorized under: RNA Interactions with Proteins and Other Molecules > Small Molecule-RNA Interactions RNA Interactions with Proteins and Other Molecules > Protein-RNA Interactions: Functional Implications RNA in Disease and Development > RNA in Disease.
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Affiliation(s)
- Jin-Guang Chen
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, Taizhou, China
| | - Shuang-Chun Liu
- Municipal Hospital Affiliated to Medical School of Taizhou University, Taizhou, China
| | - Qing Nie
- Weifang Centers for Disease Control and Prevention, Weifang, Shandong Province, China
| | - Yun-Ting Du
- Department of Laboratory Medicine, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, China
| | - Yin-Yi Lv
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, Taizhou, China
| | - Lian-Ping He
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, Taizhou, China
| | - Guang Chen
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, Taizhou, China
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Hazrati A, Mirsanei Z, Heidari N, Malekpour K, Rahmani-Kukia N, Abbasi A, Soudi S. The potential application of encapsulated exosomes: A new approach to increase exosomes therapeutic efficacy. Biomed Pharmacother 2023; 162:114615. [PMID: 37011484 DOI: 10.1016/j.biopha.2023.114615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/24/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
Cell therapy is one of the methods that have shown promising results in treating diseases in recent decades. However, the use of different types of cells comes with limitations. The application of immune cells in cell therapy can lead to cytokine storms and inappropriate responses to self-antigens. Also, the use of stem cells has the potential to create tumors. Also, cells may not migrate to the injury site after intravenous injection. Therefore, using exosomes from different cells as therapeutic candidates were proposed. Due to their small size and favorable characteristics, such as biocompatibility and immunocompatibility, the easy storage and isolation, exosomes have attracted much attention. They are used in treating many diseases, including cardiovascular diseases, orthopedic diseases, autoimmune diseases, and cancer. However, the results of various studies have shown that the therapeutic efficiency of exosomes (Exo) can be increased by loading different drugs and microRNAs inside them (encapsulated exosomes). Therefore, analyzing studies investigating encapsulated exosomes' therapeutic ability is critical. In this study, we have examined the studies related to the use of encapsulated exosomes in treating diseases such as cancer and infectious diseases and their use in regenerative medicine. Compared to intact exosomes, the results show that the application of encapsulated exosomes has a higher therapeutic ability. Therefore it is suggested to use this method depending on the treatment type to increase the treatment's efficiency.
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Malaria-derived exosomes exacerbate liver injury during blood stage of Plasmodium berghei infection. Acta Trop 2023; 239:106815. [PMID: 36608749 DOI: 10.1016/j.actatropica.2023.106815] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 12/21/2022] [Accepted: 01/01/2023] [Indexed: 01/05/2023]
Abstract
Liver injury is a common clinical feature of Plasmodium spp. infection and contributes to multi-organ failure of severe malaria. Malaria-derived exosomes (MD-Exos) have recently engaged as key mediators in parasite-host interactions, modulating the subsequent pathogenic process. However, the role of MD-Exos in malaria-related liver injury and the underlying mechanisms remain unclear. Herein, exosomes from C57BL/6 mice infected with or without P. berghei ANKA serum (namely inf-Exos or un-Exos) were isolated and characterized by transmission electron microscopy, western blotting, and nanoparticle tracking analysis. The miRNAs profiling between inf-Exos and un-Exos were generated using RNA-seq and qPCR. The functions of inf-Exos on liver injury were investigated after two types of exosomes injected into mice intravenously (i.v.), by examining histopathological and apoptotic changes, macrophage polarization, and pro-inflammatory response. The infected red blood cells-stimulated mouse Raw264.7 macrophage cells targeted by inf-Exos or un-Exos were cultured for further study and verification the potential mechanisms. We found that both inf-Exos and un-Exos displayed a typical cup-shaped structure with a diameter of 60-200 nm, and had a positive expression of exosomal markers (e.g., CD9, CD63, and CD81). Compared with infected control mice, the treatment of inf-Exos but not un-Exos dramatically enhanced peripheral blood parasitemia and ECM incidence, exacerbated liver histopathological damage, elevated numbers of liver apoptotic cells, CD68+and CD86+ macrophages. The CD68+-TREM-1+ macrophages in liver tissues and the mRNA levels of pro-inflammatory cytokines (e.g., iNOS, TNF-α, IL-1β, and IL-6) were increased by inf-Exos treatment in vivo. Meanwhile, the treatment of inf-Exos resulted in a substantial increase of the mRNA levels of CD86, iNOS, TNF-α, IL-1β, and IL-6, but led to a remarkable decrease of Bcl-6 and SOCS-1 in Raw264.7 cells stimulated with iRBC in vitro. Notably, compared to un-Exos, five types of miRNAs (including miR-10a-5p, miR-10b-5p, miR-155-5p, miR-205-5p, and miR-21a-5p), that were previously reported to target Bcl-6 or SOCS-1, present higher abundance on inf-Exos, as demonstrated by RNA-seq and qPCR. Collectively, our data suggest that inf-Exos exacerbate malaria-induced liver pathology via triggering excessive pro-inflammatory response and promoting macrophage M1 polarization. Our findings will provide new insights into the roles of inf-Exos in malaria parasite-host interaction and pathogenesis of liver injury.
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Rangel-Ramírez VV, González-Sánchez HM, Lucio-García C. Exosomes: from biology to immunotherapy in infectious diseases. Infect Dis (Lond) 2023; 55:79-107. [PMID: 36562253 DOI: 10.1080/23744235.2022.2149852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Exosomes are extracellular vesicles derived from the endosomal compartment, which are released by all kinds of eukaryotic and prokaryotic organisms. These vesicles contain a variety of biomolecules that differ both in quantity and type depending on the origin and cellular state. Exosomes are internalized by recipient cells, delivering their content and thus contributing to cell-cell communication in health and disease. During infections exosomes may exert a dual role, on one hand, they can transmit pathogen-related molecules mediating further infection and damage, and on the other hand, they can protect the host by activating the immune response and reducing pathogen spread. Selective packaging of pathogenic components may mediate these effects. Recently, quantitative analysis of samples by omics technologies has allowed a deep characterization of the proteins, lipids, RNA, and metabolite cargoes of exosomes. Knowledge about the content of these vesicles may facilitate their therapeutic application. Furthermore, as exosomes have been detected in almost all biological fluids, pathogenic or host-derived components can be identified in liquid biopsies, making them suitable for diagnosis and prognosis. This review attempts to organize the recent findings on exosome composition and function during viral, bacterial, fungal, and protozoan infections, and their contribution to host defense or to pathogen spread. Moreover, we summarize the current perspectives and future directions regarding the potential application of exosomes for prophylactic and therapeutic purposes.
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Affiliation(s)
| | | | - César Lucio-García
- Centro de Investigación sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Cuernavaca, México
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Gangadaran P, Madhyastha H, Madhyastha R, Rajendran RL, Nakajima Y, Watanabe N, Velikkakath AKG, Hong CM, Gopi RV, Muthukalianan GK, Valsala Gopalakrishnan A, Jeyaraman M, Ahn BC. The emerging role of exosomes in innate immunity, diagnosis and therapy. Front Immunol 2023; 13:1085057. [PMID: 36726968 PMCID: PMC9885214 DOI: 10.3389/fimmu.2022.1085057] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/16/2022] [Indexed: 01/17/2023] Open
Abstract
Exosomes, which are nano-sized transport bio-vehicles, play a pivotal role in maintaining homeostasis by exchanging genetic or metabolic information between different cells. Exosomes can also play a vital role in transferring virulent factors between the host and parasite, thereby regulating host gene expression and the immune interphase. The association of inflammation with disease development and the potential of exosomes to enhance or mitigate inflammatory pathways support the notion that exosomes have the potential to alter the course of a disease. Clinical trials exploring the role of exosomes in cancer, osteoporosis, and renal, neurological, and pulmonary disorders are currently underway. Notably, the information available on the signatory efficacy of exosomes in immune-related disorders remains elusive and sporadic. In this review, we discuss immune cell-derived exosomes and their application in immunotherapy, including those against autoimmune connective tissue diseases. Further, we have elucidated our views on the major issues in immune-related pathophysiological processes. Therefore, the information presented in this review highlights the role of exosomes as promising strategies and clinical tools for immune regulation.
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Affiliation(s)
- Prakash Gangadaran
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Harishkumar Madhyastha
- Department of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Radha Madhyastha
- Department of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Ramya Lakshmi Rajendran
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Yuichi Nakajima
- Department of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Nozomi Watanabe
- Department of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Anoop Kumar G. Velikkakath
- Center for System Biology and Molecular Medicine, Yenepoya Research center, Yenepoya (Deemed to be University), Mangaluru, Karnataka, India
| | - Chae Moon Hong
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Rahul Velikkakath Gopi
- Department of Tissue Engineering and Regeneration Technologies, Sree Chitra Thirunal Institute of Medical Sciences and Technology, Thiruvananthapuram, India
| | | | | | - Madhan Jeyaraman
- Department of Orthopaedics, Faculty of Medicine, Sri Lalithambigai Medical College and Hospital, Dr MGR Educational and Research Institute, Chennai, Tamil Nadu, India
| | - Byeong-Cheol Ahn
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Republic of Korea
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Ferreira B, Lourenço Á, Sousa MDC. Protozoa-Derived Extracellular Vesicles on Intercellular Communication with Special Emphasis on Giardia lamblia. Microorganisms 2022; 10:microorganisms10122422. [PMID: 36557675 PMCID: PMC9788250 DOI: 10.3390/microorganisms10122422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 11/25/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
Parasitic diseases are an important worldwide problem threatening human health and affect millions of people. Acute diarrhea, intestinal bleeding, malabsorption of nutrients and nutritional deficiency are some of the issues related to intestinal parasitic infections. Parasites are experts in subvert the host immune system through different kinds of mechanisms. There are evidences that extracellular vesicles (EVs) have an important role in dissemination of the disease and in modulating the host immune system. Released by almost all types of cells, these nanovesicles are a natural secretory product containing multiple components of interest. The EVs are classified as apoptotic bodies, microvesicles, exosomes, ectosomes, and microparticles, according to their physical characteristics, biochemical composition and cell of origin. Interestingly, EVs play an important role in intercellular communication between parasites as well as with the host cells. Concerning Giardia lamblia, it is known that this parasite release EVs during it life cycle that modulate the parasite growth and adherence as well the immune system of the host. Here we review the recently updates on protozoa EVs, with particular emphasis on the role of EVs released by the flagellate protozoa G. lamblia in cellular communication and its potential for future applications as vaccine, therapeutic agent, drug delivery system and as diagnostic or prognostic biomarker.
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Affiliation(s)
- Bárbara Ferreira
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
- CIVG-Vasco da Gama Research Center, EUVG-Vasco da Gama University School, 3020-210 Coimbra, Portugal
| | - Ágata Lourenço
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal
| | - Maria do Céu Sousa
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
- Correspondence:
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21
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Dumarchey A, Lavazec C, Verdier F. Erythropoiesis and Malaria, a Multifaceted Interplay. Int J Mol Sci 2022; 23:ijms232112762. [PMID: 36361552 PMCID: PMC9657351 DOI: 10.3390/ijms232112762] [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: 09/30/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 01/24/2023] Open
Abstract
One of the major pathophysiologies of malaria is the development of anemia. Although hemolysis and splenic clearance are well described as causes of malarial anemia, abnormal erythropoiesis has been observed in malaria patients and may contribute significantly to anemia. The interaction between inadequate erythropoiesis and Plasmodium parasite infection, which partly occurs in the bone marrow, has been poorly investigated to date. However, recent findings may provide new insights. This review outlines clinical and experimental studies describing different aspects of ineffective erythropoiesis and dyserythropoiesis observed in malaria patients and in animal or in vitro models. We also highlight the various human and parasite factors leading to erythropoiesis disorders and discuss the impact that Plasmodium parasites may have on the suppression of erythropoiesis.
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Affiliation(s)
- Aurélie Dumarchey
- Inserm U1016, CNRS UMR8104, Université Paris Cité, Institut Cochin, 75014 Paris, France
- Laboratoire d’Excellence GR-Ex, 75015 Paris, France
| | - Catherine Lavazec
- Inserm U1016, CNRS UMR8104, Université Paris Cité, Institut Cochin, 75014 Paris, France
- Laboratoire d’Excellence GR-Ex, 75015 Paris, France
| | - Frédérique Verdier
- Inserm U1016, CNRS UMR8104, Université Paris Cité, Institut Cochin, 75014 Paris, France
- Laboratoire d’Excellence GR-Ex, 75015 Paris, France
- Correspondence:
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22
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Extracellular Vesicles in Trypanosoma cruzi Infection: Immunomodulatory Effects and Future Perspectives as Potential Control Tools against Chagas Disease. J Immunol Res 2022; 2022:5230603. [PMID: 36033396 PMCID: PMC9402373 DOI: 10.1155/2022/5230603] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 07/02/2022] [Accepted: 07/19/2022] [Indexed: 11/22/2022] Open
Abstract
Chagas disease, caused by the protozoa parasite Trypanosoma cruzi, is a neglected tropical disease and a major public health problem affecting more than 6 million people worldwide. Many challenges remain in the quest to control Chagas disease: the diagnosis presents several limitations and the two available treatments cause several side effects, presenting limited efficacy during the chronic phase of the disease. In addition, there are no preventive vaccines or biomarkers of therapeutic response or disease outcome. Trypomastigote form and T. cruzi-infected cells release extracellular vesicles (EVs), which are involved in cell-to-cell communication and can modulate the host immune response. Importantly, EVs have been described as promising tools for the development of new therapeutic strategies, such as vaccines, and for the discovery of new biomarkers. Here, we review and discuss the role of EVs secreted during T. cruzi infection and their immunomodulatory properties. Finally, we briefly describe their potential for biomarker discovery and future perspectives as vaccine development tools for Chagas Disease.
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23
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Gualdrón-López M, Díaz-Varela M, Zanghi G, Aparici-Herraiz I, Steel RW, Schäfer C, Cuscó P, Chuenchob V, Kangwangransan N, Billman ZP, Olsen TM, González JR, Roobsoong W, Sattabongkot J, Murphy SC, Mikolajczak SA, Borràs E, Sabidó E, Fernandez-Becerra C, Flannery EL, Kappe SH, del Portillo HA. Mass Spectrometry Identification of Biomarkers in Extracellular Vesicles From Plasmodium vivax Liver Hypnozoite Infections. Mol Cell Proteomics 2022; 21:100406. [PMID: 36030044 PMCID: PMC9520272 DOI: 10.1016/j.mcpro.2022.100406] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 08/12/2022] [Accepted: 08/20/2022] [Indexed: 01/18/2023] Open
Abstract
Latent liver stages termed hypnozoites cause relapsing Plasmodium vivax malaria infection and represent a major obstacle in the goal of malaria elimination. Hypnozoites are clinically undetectable, and presently, there are no biomarkers of this persistent parasite reservoir in the human liver. Here, we have identified parasite and human proteins associated with extracellular vesicles (EVs) secreted from in vivo infections exclusively containing hypnozoites. We used P. vivax-infected human liver-chimeric (huHEP) FRG KO mice treated with the schizonticidal experimental drug MMV048 as hypnozoite infection model. Immunofluorescence-based quantification of P. vivax liver forms showed that MMV048 removed schizonts from chimeric mice livers. Proteomic analysis of EVs derived from FRG huHEP mice showed that human EV cargo from infected FRG huHEP mice contain inflammation markers associated with active schizont replication and identified 66 P. vivax proteins. To identify hypnozoite-specific proteins associated with EVs, we mined the proteome data from MMV048-treated mice and performed an analysis involving intragroup and intergroup comparisons across all experimental conditions followed by a peptide compatibility analysis with predicted spectra to warrant robust identification. Only one protein fulfilled this stringent top-down selection, a putative filamin domain-containing protein. This study sets the stage to unveil biological features of human liver infections and identify biomarkers of hypnozoite infection associated with EVs.
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Affiliation(s)
- Melisa Gualdrón-López
- ISGlobal, Barcelona Institute for Global Health, Barcelona, Spain,IGTP, Institute for Health Sciences Trias I Pujol, Barcelona, Spain
| | - Miriam Díaz-Varela
- ISGlobal, Barcelona Institute for Global Health, Barcelona, Spain,IGTP, Institute for Health Sciences Trias I Pujol, Barcelona, Spain
| | - Gigliola Zanghi
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, USA
| | - Iris Aparici-Herraiz
- ISGlobal, Barcelona Institute for Global Health, Barcelona, Spain,IGTP, Institute for Health Sciences Trias I Pujol, Barcelona, Spain
| | - Ryan W.J. Steel
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, USA
| | - Carola Schäfer
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, USA
| | - Pol Cuscó
- ISGlobal, Barcelona Institute for Global Health, Barcelona, Spain
| | - Vorada Chuenchob
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, USA
| | - Niwat Kangwangransan
- Department of Pathobiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Zachary P. Billman
- Department of Laboratory Medicine and Pathology, and Department of Microbiology, University of Washington, Seattle, Washington, USA
| | - Tayla M. Olsen
- Department of Laboratory Medicine and Pathology, and Department of Microbiology, University of Washington, Seattle, Washington, USA
| | - Juan R. González
- ISGlobal, Barcelona Institute for Global Health, Barcelona, Spain
| | - Wanlapa Roobsoong
- MVRU, Mahidol Vivax Research Unit, Mahidol University, Bangkok, Thailand
| | | | - Sean C. Murphy
- Department of Laboratory Medicine and Pathology, and Department of Microbiology, University of Washington, Seattle, Washington, USA
| | - Sebastian A. Mikolajczak
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, USA
| | - Eva Borràs
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain,Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Eduard Sabidó
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain,Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Carmen Fernandez-Becerra
- ISGlobal, Barcelona Institute for Global Health, Barcelona, Spain,IGTP, Institute for Health Sciences Trias I Pujol, Barcelona, Spain
| | - Erika L. Flannery
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, USA
| | - Stefan H.I. Kappe
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, USA,Department of Pediatrics, University of Washington, Seattle, Washington, USA
| | - Hernando A. del Portillo
- ISGlobal, Barcelona Institute for Global Health, Barcelona, Spain,IGTP, Institute for Health Sciences Trias I Pujol, Barcelona, Spain,ICREA, Catalan Institution for Research and Advanced Studies, Barcelona, Spain,For correspondence: Hernando A. del Portillo
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24
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Vimonpatranon S, Roytrakul S, Phaonakrop N, Lekmanee K, Atipimonpat A, Srimark N, Sukapirom K, Chotivanich K, Khowawisetsut L, Pattanapanyasat K. Extracellular Vesicles Derived from Early and Late Stage Plasmodium falciparum-Infected Red Blood Cells Contain Invasion-Associated Proteins. J Clin Med 2022; 11:jcm11144250. [PMID: 35888014 PMCID: PMC9318397 DOI: 10.3390/jcm11144250] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/15/2022] [Accepted: 07/20/2022] [Indexed: 02/06/2023] Open
Abstract
In infectious diseases, extracellular vesicles (EVs) released from a pathogen or pathogen-infected cells can transfer pathogen-derived biomolecules, especially proteins, to target cells and consequently regulate these target cells. For example, malaria is an important tropical infectious disease caused by Plasmodium spp. Previous studies have identified the roles of Plasmodium falciparum-infected red blood cell-derived EVs (Pf-EVs) in the pathogenesis, activation, and modulation of host immune responses. This study investigated the proteomic profiles of Pf-EVs isolated from four P. falciparum strains. We also compared the proteomes of EVs from (i) different EV types (microvesicles and exosomes) and (ii) different parasite growth stages (early- and late-stage). The proteomic analyses revealed that the human proteins carried in the Pf-EVs were specific to the type of Pf-EVs. By contrast, most of the P. falciparum proteins carried in Pf-EVs were common across all types of Pf-EVs. As the proteomics results revealed that Pf-EVs contained invasion-associated proteins, the effect of Pf-EVs on parasite invasion was also investigated. Surprisingly, the attenuation of parasite invasion efficiency was found with the addition of Pf-MVs. Moreover, this effect was markedly increased in culture-adapted isolates compared with laboratory reference strains. Our evidence supports the concept that Pf-EVs play a role in quorum sensing, which leads to parasite growth-density regulation.
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Affiliation(s)
- Sinmanus Vimonpatranon
- Graduate Program in Immunology, Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand;
| | - Sittiruk Roytrakul
- Functional Ingredients and Food Innovation Research Group, National Center for Genetic Engineering and Biotechnology, Pathumthani 12120, Thailand; (S.R.); (N.P.)
| | - Narumon Phaonakrop
- Functional Ingredients and Food Innovation Research Group, National Center for Genetic Engineering and Biotechnology, Pathumthani 12120, Thailand; (S.R.); (N.P.)
| | - Kittima Lekmanee
- Siriraj Center of Research Excellence for Microparticle and Exosome in Diseases, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand; (K.L.); (N.S.); (K.S.)
| | - Anyapat Atipimonpat
- Department of Biochemistry, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand;
| | - Narinee Srimark
- Siriraj Center of Research Excellence for Microparticle and Exosome in Diseases, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand; (K.L.); (N.S.); (K.S.)
| | - Kasama Sukapirom
- Siriraj Center of Research Excellence for Microparticle and Exosome in Diseases, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand; (K.L.); (N.S.); (K.S.)
| | - Kesinee Chotivanich
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand;
| | - Ladawan Khowawisetsut
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Correspondence: (L.K.); (K.P.); Tel.: +66-2419-6477 (L.K. & K.P.)
| | - Kovit Pattanapanyasat
- Siriraj Center of Research Excellence for Microparticle and Exosome in Diseases, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand; (K.L.); (N.S.); (K.S.)
- Correspondence: (L.K.); (K.P.); Tel.: +66-2419-6477 (L.K. & K.P.)
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25
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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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26
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Zoia M, Yesodha Subramanian B, Eriksson KK, Ravi MS, Yaghmaei S, Fellay I, Scolari B, Walch M, Mantel PY. Validation of Effective Extracellular Vesicles Isolation Methods Adapted to Field Studies in Malaria Endemic Regions. Front Cell Dev Biol 2022; 10:812244. [PMID: 35652104 PMCID: PMC9149222 DOI: 10.3389/fcell.2022.812244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 04/13/2022] [Indexed: 11/13/2022] Open
Abstract
Malaria affects the poorer regions of the world and is of tremendous health and economic burden for developing countries. Extracellular vesicles (EVs) are small vesicles released by almost any cells in the human body, including malaria infected red blood cells. Recent evidence shows that EVs might contribute to the pathogenesis of malaria. In addition, EVs hold considerable value in biomarker discovery. However, there are still significant gaps in our understanding of EV biology. So far most of our knowledge about EVs in malaria comes from in vitro work. More field studies are required to gain insight into their contribution to the disease and pathogenesis under physiological conditions. However, to perform research on EVs in low-income regions might be challenging due to the lack of appropriate equipment to isolate EVs. Therefore, there is a need to develop and validate EV extraction protocols applicable to poorly equipped laboratories. We established and validated two protocols for EV isolation from cell culture supernatants, rodent and human plasma. We compared polyethylene glycol (PEG) and salting out (SA) with sodium acetate for precipitation of EVs. We then characterized the EVs by Transmission Electron Microscopy (TEM), Western Blot, Size-exclusion chromatography (SEC), bead-based flow cytometry and protein quantification. Both protocols resulted in efficient purification of EVs without the need of expensive material or ultracentrifugation. Furthermore, the procedure is easily scalable to work with large and small sample volumes. Here, we propose that both of our approaches can be used in resource limited countries, therefore further helping to close the gap in knowledge of EVs during malaria.
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Affiliation(s)
- Matteo Zoia
- Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy Unit, University of Fribourg, Fribourg, Switzerland.,Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Bibin Yesodha Subramanian
- Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy Unit, University of Fribourg, Fribourg, Switzerland
| | - Klara Kristin Eriksson
- Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy Unit, University of Fribourg, Fribourg, Switzerland
| | - Meera Sruthi Ravi
- Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy Unit, University of Fribourg, Fribourg, Switzerland
| | - Shekoofeh Yaghmaei
- Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy Unit, University of Fribourg, Fribourg, Switzerland
| | - Isabelle Fellay
- Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy Unit, University of Fribourg, Fribourg, Switzerland
| | - Brigitte Scolari
- Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy Unit, University of Fribourg, Fribourg, Switzerland
| | - Michael Walch
- Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy Unit, University of Fribourg, Fribourg, Switzerland
| | - Pierre-Yves Mantel
- Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy Unit, University of Fribourg, Fribourg, Switzerland
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27
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Extracellular Vesicles from Naegleria fowleri Induce IL-8 Response in THP-1 Macrophage. Pathogens 2022; 11:pathogens11060632. [PMID: 35745486 PMCID: PMC9231210 DOI: 10.3390/pathogens11060632] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/26/2022] [Accepted: 05/28/2022] [Indexed: 11/17/2022] Open
Abstract
Extracellular vesicles (EVs) released from pathogenic protozoans play crucial roles in host–parasite communication and disease pathogenesis. Naegleria fowleri is a free-living protozoan causing primary amoebic meningoencephalitis, a fatal disease in the central nervous system. This study aims to explore the roles of N. fowleri-derived EVs (Nf-EVs) in host–pathogen interactions using the THP-1 cell line as a model. The Nf-EVs were isolated from the N. fowleri trophozoite culture supernatant using sequential centrifugation and characterized by nanoparticle tracking analysis and transmission electron microscopy. The functional roles of Nf-EVs in the apoptosis and immune response induction of THP-1 monocytes and macrophages were examined by flow cytometry, quantitative PCR, and ELISA. Results showed that Nf-EVs displayed vesicles with bilayer membrane structure approximately 130–170 nm in diameter. The Nf-EVs can be internalized by macrophages and induce macrophage responses by induction of the expression of costimulatory molecules CD80, CD86, HLA-DR, and CD169 and the production of cytokine IL-8. However, Nf-EVs did not affect the apoptosis of macrophages. These findings illustrate the potential role of Nf-EVs in mediating the host immune cell activation and disease pathogenesis.
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28
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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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29
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Silvestre A, Shintre SS, Rachidi N. Released Parasite-Derived Kinases as Novel Targets for Antiparasitic Therapies. Front Cell Infect Microbiol 2022; 12:825458. [PMID: 35252034 PMCID: PMC8893276 DOI: 10.3389/fcimb.2022.825458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 01/25/2022] [Indexed: 11/13/2022] Open
Abstract
The efficient manipulation of their host cell is an essential feature of intracellular parasites. Most molecular mechanisms governing the subversion of host cell by protozoan parasites involve the release of parasite-derived molecules into the host cell cytoplasm and direct interaction with host proteins. Among these released proteins, kinases are particularly important as they govern the subversion of important host pathways, such as signalling or metabolic pathways. These enzymes, which catalyse the transfer of a phosphate group from ATP onto serine, threonine, tyrosine or histidine residues to covalently modify proteins, are involved in numerous essential biological processes such as cell cycle or transport. Although little is known about the role of most of the released parasite-derived kinases in the host cell, they are examples of kinases hijacking host cellular pathways such as signal transduction or apoptosis, which are essential for immune response evasion as well as parasite survival and development. Here we present the current knowledge on released protozoan kinases and their involvement in host-pathogen interactions. We also highlight the knowledge gaps remaining before considering those kinases - involved in host signalling subversion - as antiparasitic drug targets.
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Affiliation(s)
- Anne Silvestre
- INRAE, Université de Tours, ISP, Nouzilly, France
- *Correspondence: Anne Silvestre, ; Najma Rachidi,
| | - Sharvani Shrinivas Shintre
- INRAE, Université de Tours, ISP, Nouzilly, France
- Institut Pasteur, Université de Paris and INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Paris, France
| | - Najma Rachidi
- Institut Pasteur, Université de Paris and INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Paris, France
- *Correspondence: Anne Silvestre, ; Najma Rachidi,
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30
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Aparici-Herraiz I, Gualdrón-López M, Castro-Cavadía CJ, Carmona-Fonseca J, Yasnot MF, Fernandez-Becerra C, del Portillo HA. Antigen Discovery in Circulating Extracellular Vesicles From Plasmodium vivax Patients. Front Cell Infect Microbiol 2022; 11:811390. [PMID: 35141172 PMCID: PMC8819181 DOI: 10.3389/fcimb.2021.811390] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 12/28/2021] [Indexed: 12/12/2022] Open
Abstract
Plasmodium vivax is the most widely distributed human malaria parasite with 7 million annual clinical cases and 2.5 billion people living under risk of infection. There is an urgent need to discover new antigens for vaccination as only two vaccine candidates are currently in clinical trials. Extracellular vesicles (EVs) are small membrane-bound vesicles involved in intercellular communication and initially described in reticulocytes, the host cell of P. vivax, as a selective disposal mechanism of the transferrin receptor (CD71) in the maturation of reticulocytes to erythrocytes. We have recently reported the proteomics identification of P. vivax proteins associated to circulating EVs in P. vivax patients using size exclusion chromatography followed by mass spectrometry (MS). Parasite proteins were detected in only two out of ten patients. To increase the MS signal, we have implemented the direct immuno-affinity capture (DIC) technique to enrich in EVs derived from CD71-expressing cells. Remarkably, we identified parasite proteins in all patients totaling 48 proteins and including several previously identified P. vivax vaccine candidate antigens (MSP1, MSP3, MSP7, MSP9, Serine-repeat antigen 1, and HSP70) as well as membrane, cytosolic and exported proteins. Notably, a member of the Plasmodium helical interspersed sub-telomeric (PHIST-c) family and a member of the Plasmodium exported proteins, were detected in five out of six analyzed patients. Humoral immune response analysis using sera from vivax patients confirmed the antigenicity of the PHIST-c protein. Collectively, we showed that enrichment of EVs by CD71-DIC from plasma of patients, allows a robust identification of P. vivax immunogenic proteins. This study represents a significant advance in identifying new antigens for vaccination against this human malaria parasite.
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Affiliation(s)
| | | | | | - Jaime Carmona-Fonseca
- Grupo de Salud y Comunidad Cesar Uribe Piedrahíta, Universidad de Antioquia, Medellín, Colombia
| | - María Fernanda Yasnot
- Grupo de Investigaciones Microbiológicas y Biomédicas de Córdoba-GIMBIC, Universidad de Córdoba, Monteria, Colombia
| | - Carmen Fernandez-Becerra
- ISGlobal, Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
- Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Barcelona, Spain
- *Correspondence: Carmen Fernandez-Becerra, ; Hernando A. del Portillo,
| | - Hernando A. del Portillo
- ISGlobal, Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
- Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
- *Correspondence: Carmen Fernandez-Becerra, ; Hernando A. del Portillo,
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Jafari N, Khoradmehr A, Moghiminasr R, Seyed Habashi M. Mesenchymal Stromal/Stem Cells-Derived Exosomes as an Antimicrobial Weapon for Orodental Infections. Front Microbiol 2022; 12:795682. [PMID: 35058912 PMCID: PMC8764367 DOI: 10.3389/fmicb.2021.795682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 12/08/2021] [Indexed: 11/14/2022] Open
Abstract
The oral cavity as the second most various microbial community in the body contains a broad spectrum of microorganisms which are known as the oral microbiome. The oral microbiome includes different types of microbes such as bacteria, fungi, viruses, and protozoa. Numerous factors can affect the equilibrium of the oral microbiome community which can eventually lead to orodental infectious diseases. Periodontitis, dental caries, oral leukoplakia, oral squamous cell carcinoma are some multifactorial infectious diseases in the oral cavity. In defending against infection, the immune system has an essential role. Depending on the speed and specificity of the reaction, immunity is divided into two different types which are named the innate and the adaptive responses but also there is much interaction between them. In these responses, different types of immune cells are present and recent evidence demonstrates that these cell types both within the innate and adaptive immune systems are capable of secreting some extracellular vesicles named exosomes which are involved in the response to infection. Exosomes are 30-150 nm lipid bilayer vesicles that consist of variant molecules, including proteins, lipids, and genetic materials and they have been associated with cell-to-cell communications. However, some kinds of exosomes can be effective on the pathogenicity of various microorganisms and promoting infections, and some other ones have antimicrobial and anti-infective functions in microbial diseases. These discrepancies in performance are due to the origin of the exosome. Exosomes can modulate the innate and specific immune responses of host cells by participating in antigen presentation for activation of immune cells and stimulating the release of inflammatory factors and the expression of immune molecules. Also, mesenchymal stromal/stem cells (MSCs)-derived exosomes participate in immunomodulation by different mechanisms. Ease of expansion and immunotherapeutic capabilities of MSCs, develop their applications in hundreds of clinical trials. Recently, it has been shown that cell-free therapies, like exosome therapies, by having more advantages than previous treatment methods are emerging as a promising strategy for the treatment of several diseases, in particular inflammatory conditions. In orodental infectious disease, exosomes can also play an important role by modulating immunoinflammatory responses. Therefore, MSCs-derived exosomes may have potential therapeutic effects to be a choice for controlling and treatment of orodental infectious diseases.
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Affiliation(s)
- Nazanin Jafari
- Department of Endodontics, School of Dentistry, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Arezoo Khoradmehr
- The Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Reza Moghiminasr
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Mina Seyed Habashi
- Department of Endodontics, School of Dentistry, Bushehr University of Medical Sciences, Bushehr, Iran
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Georgiev V, Avalos-Padilla Y, Fernàndez-Busquets X, Dimova R. Femtoliter Injection of ESCRT-III Proteins into Adhered Giant Unilamellar Vesicles. Bio Protoc 2022; 12:e4328. [DOI: 10.21769/bioprotoc.4328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 11/12/2021] [Accepted: 01/06/2022] [Indexed: 11/02/2022] Open
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Mast MP, Modh H, Champanhac C, Wang JW, Storm G, Krämer J, Mailänder V, Pastorin G, Wacker MG. Nanomedicine at the crossroads - A quick guide for IVIVC. Adv Drug Deliv Rev 2021; 179:113829. [PMID: 34174332 DOI: 10.1016/j.addr.2021.113829] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/17/2021] [Accepted: 06/10/2021] [Indexed: 02/08/2023]
Abstract
For many years, nanomedicine is pushing the boundaries of drug delivery. When applying these novel therapeutics, safety considerations are not only a key concern when entering clinical trials but also an important decision point in product development. Standing at the crossroads, nanomedicine may be able to escape the niche markets and achieve wider acceptance by the pharmaceutical industry. While there is a new generation of drug delivery systems, the extracellular vesicles, standing on the starting line, unresolved issues and new challenges emerge from their translation from bench to bedside. Some key features of injectable nanomedicines contribute to the predictability of the pharmacological and toxicological effects. So far, only a few of the physicochemical attributes of nanomedicines can be justified by a direct mathematical relationship between the in vitro and the in vivo responses. To further develop extracellular vesicles as drug carriers, we have to learn from more than 40 years of clinical experience in liposomal delivery and pass on this knowledge to the next generation. Our quick guide discusses relationships between physicochemical characteristics and the in vivo response, commonly referred to as in vitro-in vivo correlation. Further, we highlight the key role of computational methods, lay open current knowledge gaps, and question the established design strategies. Has the recent progress improved the predictability of targeted delivery or do we need another change in perspective?
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Huang K, Huang L, Zhang X, Zhang M, Wang Q, Lin H, Yu Z, Li X, Liu XB, Wu Q, Wang Y, Wang J, Jin X, Gao H, Han X, Lin R, Cen S, Liu Z, Huang B. Mast cells-derived exosomes worsen the development of experimental cerebral malaria. Acta Trop 2021; 224:106145. [PMID: 34562426 DOI: 10.1016/j.actatropica.2021.106145] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 12/21/2022]
Abstract
Cerebral malaria (CM) is the most severe neurological complication caused by Plasmodium falciparum infection. The accumulating evidence demonstrated that mast cells (MCs) and its mediators played a critical role in mediating malaria severity. Earlier studies identified that exosomes were emerging as key mediators of intercellular communication and can be released from several kinds of MCs. However, the potential functions and pathological mechanisms of MCs-derived exosomes (MCs-Exo) impacting on CM pathogenesis remain largely unknown. Herein, we utilized an experimental CM (ECM) model (C57BL/6 mice infected with P. berghei ANKA strain), and then intravenously (i.v.) injected MCs-Exo into P. berghei ANKA-infected mice to unfold this mechanism and investigate the effect of MCs-Exo on ECM pathogenies. We also used an in vitro model by investigating the pathogenesis development of brain microvascular endothelial cells line (bEnd.3 cells) co-cultured with P. berghei ANKA blood-stage soluble antigen (PbAg) after MCs-Exo treatment. The higher numbers of MCs and levels of MCs degranulation were observed in skin, cervical lymph node, and brain of ECM mice than those of the uninfected mice. Exosomes were successfully isolated from culture supernatants of mouse MCs line (P815 cells) and characterized by spherical vesicles with the diameter of 30-150 nm, and expression of typical exosomal markers (e.g., CD9, CD63, and CD81). The i.v. injection of MCs-Exo dramatically elevated incidence of ECM in the P. berghei ANKA-infected mice, exacerbated liver and brain histopathological damage, promoted Th1 cytokine response, aggravated brain vascular endothelial activation and blood brain barrier breakdown in ECM mice. In addition, the treatment of MCs-Exo led to the decrease of cells viability and mRNA levels of Ang-1, ZO-1, and Claudin-5, but increase of mRNA levels of Ang-2, CCL2, CXCL1, and CXCL9 in bEnd.3 cells co-cultured with PbAg in vitro. Taken together, our data indicated that MCs-Exo could worsen pathogenesis of ECM in mice.
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Opadokun T, Rohrbach P. Extracellular vesicles in malaria: an agglomeration of two decades of research. Malar J 2021; 20:442. [PMID: 34801056 PMCID: PMC8605462 DOI: 10.1186/s12936-021-03969-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 10/29/2021] [Indexed: 12/24/2022] Open
Abstract
Malaria is a complex parasitic disease, caused by Plasmodium spp. More than a century after the discovery of malaria parasites, this disease continues to pose a global public health problem and the pathogenesis of the severe forms of malaria remains incompletely understood. Extracellular vesicles (EVs), including exosomes and microvesicles, have been increasingly researched in the field of malaria in a bid to fill these knowledge gaps. EVs released from Plasmodium-infected red blood cells and other host cells during malaria infection are now believed to play key roles in disease pathogenesis and are suggested as vital components of the biology of Plasmodium spp. Malaria-derived EVs have been identified as potential disease biomarkers and therapeutic tools. In this review, key findings of malaria EV studies over the last 20 years are summarized and critically analysed. Outstanding areas of research into EV biology are identified. Unexplored EV research foci for the future that will contribute to consolidating the potential for EVs as agents in malaria prevention and control are proposed.
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Affiliation(s)
- Tosin Opadokun
- Institute of Parasitology, McGill University, Montreal, Canada
| | - Petra Rohrbach
- Institute of Parasitology, McGill University, Montreal, Canada.
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Lahiri D, Nag M, Dey A, Sarkar T, Pattnaik S, Ghosh S, Edinur HA, Pati S, Kari ZA, Ray RR. Exosome-associated host–pathogen interaction: a potential effect of biofilm formation. J Anal Sci Technol 2021. [DOI: 10.1186/s40543-021-00306-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
AbstractExosomes being non-ionized micro-vesicles with a size range of 30–100 nm possess the ability to bring about intracellular communication and intercellular transport of various types of cellular components like miRNA, mRNA, DNA, and proteins. This is achieved through the targeted transmission of various inclusions to nearby or distant tissues. This is associated with the effective communication of information to bring about changes in physiological properties and functional attributes. The extracellular vesicles (EVs), produced by fungi, parasites, and bacteria, are responsible to bring about modulation/alteration of the immune responses exerted by the host body. The lipids, nucleic acids, proteins, and glycans of EVs derived from the pathogens act as the ligands of different families of pattern recognition receptors of the host body. The bacterial membrane vesicles (BMVs) are responsible for the transfer of small RNA species, along with other types of noncoding RNA thereby playing a key role in the regulation of the host immune system. Apart from immunomodulation, the BMVs are also responsible for bacterial colonization in the host tissue, biofilm formation, and survival therein showing antibiotic resistance, leading to pathogenesis and virulence. This mini-review would focus on the role of exosomes in the development of biofilm and consequent immunological responses within the host body along with an analysis of the mechanism associated with the development of resistance.
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Zebrafish as a preclinical model for Extracellular Vesicle-based therapeutic development. Adv Drug Deliv Rev 2021; 176:113815. [PMID: 34058284 DOI: 10.1016/j.addr.2021.05.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 05/13/2021] [Accepted: 05/26/2021] [Indexed: 12/19/2022]
Abstract
Extracellular Vesicles (EVs) are released during various pathophysiological processes and reflect the state of their cell of origin. Once released, they can propagate through biological fluids, target cells, deliver their content and elicit functional responses. These specific features would allow their harnessing as biomarkers, drug nano-vehicles and therapeutic intrinsic modulators. However, the further development of their potential therapeutic application is hampered by the lack of knowledge about how EVs behave in vivo. Recent advances in the field of imaging EVs in vivo now allow live-tracking of endogenous and exogenous EV in various model organisms at high spatiotemporal resolution to define their distribution, half-life and fate. This review highlights current imaging tools available to image EVs in vivo and how live imaging especially in the zebrafish embryo can bring further insights into the characterization of EVs dynamics, biodistribution and functions to potentiate their development for therapeutic applications.
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Wei R, Li X, Wang X, Zhang N, Wang Y, Zhang X, Gong P, Li J. Trypanosoma evansi evades host innate immunity by releasing extracellular vesicles to activate TLR2-AKT signaling pathway. Virulence 2021; 12:2017-2036. [PMID: 34348595 PMCID: PMC8344757 DOI: 10.1080/21505594.2021.1959495] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Surra, one of the most important animal diseases with economic consequences in Asia and South America, is caused by Trypanosoma evansi. However, the mechanism of immune evasion by T. evansi has not been extensively studied. In the present study, T. evansi extracellular vesicles (TeEVs) were characterized and the role of TeEVs in T. evansi infection were examined. The results showed that T. evansi and TeEVs could activate TLR2-AKT pathway to inhibit the secretions of IL-12p40, IL-6, and TNF-α in mouse BMDMs. TLR2−/- mice and mice with a blocked AKT pathway were more resistant to T. evansi infection than wild type (WT) mice, with a significantly lower infection rate, longer survival time and less parasite load, as well as an increased secretion level of IL-12p40 and IFN-γ. Kinetoplastid membrane protein-11 (KMP-11) of TeEVs could activate AKT pathway and inhibit the productions of IL-12p40, TNF-α, and IL-6 in vitro. TeEVs and KMP-11 could inhibit the productions of IL-12p40 and IFN-γ, promote T. evansi proliferation and shorten the survival time of infected mice in vivo. In conclusion, T. evansi could escape host immune response through inhibiting the productions of inflammatory cytokines via secreting TeEVs to activate TLR2-AKT pathway. KMP-11 in TeEVs was involved in promoting T. evansi infection. Extracellular vesicles (EVs) secreted by Trypanosoma evansi (T. evansi) activate the TLR2-AKT signaling pathway to inhibit the production of inflammatory cytokines, thereby escaping the host’s immune response. Kinetoplastid membrane protein-11 (KMP-11) in EVs is related to the promotion of T.evansi infection via AKT pathway.
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Affiliation(s)
- Ran Wei
- Key Laboratory of Zoonosis Research, Ministry of Education; College of Veterinary Medicine, Jilin University, Changchun, China
| | - Xin Li
- Key Laboratory of Zoonosis Research, Ministry of Education; College of Veterinary Medicine, Jilin University, Changchun, China
| | - Xiaocen Wang
- Key Laboratory of Zoonosis Research, Ministry of Education; College of Veterinary Medicine, Jilin University, Changchun, China
| | - Nan Zhang
- Key Laboratory of Zoonosis Research, Ministry of Education; College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yuru Wang
- Key Laboratory of Zoonosis Research, Ministry of Education; College of Veterinary Medicine, Jilin University, Changchun, China
| | - Xichen Zhang
- Key Laboratory of Zoonosis Research, Ministry of Education; College of Veterinary Medicine, Jilin University, Changchun, China
| | - Pengtao Gong
- Key Laboratory of Zoonosis Research, Ministry of Education; College of Veterinary Medicine, Jilin University, Changchun, China
| | - Jianhua Li
- Key Laboratory of Zoonosis Research, Ministry of Education; College of Veterinary Medicine, Jilin University, Changchun, China
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Zhao Y, Li X, Zhang W, Yu L, Wang Y, Deng Z, Liu M, Mo S, Wang R, Zhao J, Liu S, Hao Y, Wang X, Ji T, Zhang L, Wang C. Trends in the biological functions and medical applications of extracellular vesicles and analogues. Acta Pharm Sin B 2021; 11:2114-2135. [PMID: 34522580 PMCID: PMC8424226 DOI: 10.1016/j.apsb.2021.03.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/19/2021] [Accepted: 03/01/2021] [Indexed: 12/18/2022] Open
Abstract
Natural extracellular vesicles (EVs) play important roles in many life processes such as in the intermolecular transfer of substances and genetic information exchanges. Investigating the origins and working mechanisms of natural EVs may provide an understanding of life activities, especially regarding the occurrence and development of diseases. Additionally, due to their vesicular structure, EVs (in small molecules, nucleic acids, proteins, etc.) could act as efficient drug-delivery carriers. Herein, we describe the sources and biological functions of various EVs, summarize the roles of EVs in disease diagnosis and treatment, and review the application of EVs as drug-delivery carriers. We also assess the challenges and perspectives of EVs in biomedical applications.
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Affiliation(s)
- Yan Zhao
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University and Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing 100005, China
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Xiaolu Li
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Wenbo Zhang
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Lanlan Yu
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Yang Wang
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Zhun Deng
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Mingwei Liu
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Shanshan Mo
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Ruonan Wang
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Jinming Zhao
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University and Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing 100005, China
| | - Shuli Liu
- Department of Clinical Laboratory, Peking University Civil Aviation School of Clinical Medicine, Beijing 100123, China
| | - Yun Hao
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University and Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing 100005, China
| | - Xiangdong Wang
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University and Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing 100005, China
| | - Tianjiao Ji
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
- Corresponding authors. Tel./fax: +86 10 69156463.
| | - Luo Zhang
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University and Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing 100005, China
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
- Corresponding authors. Tel./fax: +86 10 69156463.
| | - Chenxuan Wang
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
- Corresponding authors. Tel./fax: +86 10 69156463.
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De Sousa KP, Potriquet J, Mulvenna J, Sotillo J, Groves PL, Loukas A, Apte SH, Doolan DL. Proteomic identification of the contents of small extracellular vesicles from in vivo Plasmodium yoelii infection. Int J Parasitol 2021; 52:35-45. [PMID: 34339723 DOI: 10.1016/j.ijpara.2021.06.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/07/2021] [Accepted: 06/14/2021] [Indexed: 12/16/2022]
Abstract
Small extracellular vesicles, including exosomes, are formed by the endocytic pathway and contain genetic and protein material which reflect the contents of their cells of origin. These contents have a role in vesicle-mediated information transfer, as well as physiological and pathological functions. Thus, these vesicles are of great interest as therapeutic targets, or as vehicles for immunomodulatory control. In Plasmodium spp. infections, vesicles derived from the parasite or parasite-infected cells have been shown to induce the expression of pro-inflammatory elements, which have been correlated with manifestations of clinical disease. Herein, we characterised the protein cargo of naturally occurring sEVs in the plasma of P. yoelii-infected mice. After in vivo infections, extracellular vesicles in the size range of exosomes were collected by sequential centrifugation/ultracentrifugation followed by isopycnic gradient separation. Analysis of the vesicles was performed by transmission electron microscopy, dynamic light scattering, SDS-PAGE and flow cytometry. LC-MS analysis followed by bioinformatics analysis predicted parasite protein cargo associated with exosomes. Within these small extracellular vesicles, we identified proteins of interest as vaccine candidates, uncharacterized proteins which may be targets of T cell immunoreactivity, and proteins involved in metabolic processes, regulation, homeostasis and immunity. Importantly, the small extracellular vesicles studied in our work were obtained from in vivo infection rather than from the supernatant of in vitro cultures. These findings add to the growing interest in parasite small extracellular vesicles, further our understanding of the interactions between host and parasite, and identify novel proteins which may represent potential targets for vaccination against malaria.
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Affiliation(s)
- Karina P De Sousa
- Infectious Diseases Programme, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Jeremy Potriquet
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns QLD 4878 Australia
| | - Jason Mulvenna
- Infectious Diseases Programme, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Javier Sotillo
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns QLD 4878 Australia; Parasitology Reference and Research Laboratory, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Penny L Groves
- Infectious Diseases Programme, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Alex Loukas
- Infectious Diseases Programme, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Simon H Apte
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns QLD 4878 Australia
| | - Denise L Doolan
- Infectious Diseases Programme, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia; Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns QLD 4878 Australia.
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Exosome-Based Vaccines: Pros and Cons in the World of Animal Health. Viruses 2021; 13:v13081499. [PMID: 34452364 PMCID: PMC8402771 DOI: 10.3390/v13081499] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 12/15/2022] Open
Abstract
Due to the emergence of antibiotic resistance and new and more complex diseases that affect livestock animal health and food security, the control of epidemics has become a top priority worldwide. Vaccination represents the most important and cost-effective measure to control infectious diseases in animal health, but it represents only 23% of the total global animal health market, highlighting the need to develop new vaccines. A recent strategy in animal health vaccination is the use of extracellular vesicles (EVs), lipid bilayer nanovesicles produced by almost all living cells, including both prokaryotes and eukaryotes. EVs have been evaluated as a prominent source of viral antigens to elicit specific immune responses and to develop new vaccination platforms as viruses and EVs share biogenesis pathways. Preliminary trials with lymphocytic choriomeningitis virus infection (LCMV), porcine reproductive and respiratory syndrome virus (PRRSV), and Marek's disease virus (MDV) have demonstrated that EVs have a role in the activation of cellular and antibody immune responses. Moreover, in parasitic diseases such as Eimeria (chickens) and Plasmodium yoelii (mice) protection has been achieved. Research into EVs is therefore opening an opportunity for new strategies to overcome old problems affecting food security, animal health, and emerging diseases. Here, we review different conventional approaches for vaccine design and compare them with examples of EV-based vaccines that have already been tested in relation to animal health.
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Gélvez APC, Diniz Junior JAP, Brígida RTSS, Rodrigues APD. AgNP-PVP-meglumine antimoniate nanocomposite reduces Leishmania amazonensis infection in macrophages. BMC Microbiol 2021; 21:211. [PMID: 34253188 DOI: 10.1186/s12866-021-02267-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 06/10/2021] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Leishmaniasis is an infectious disease caused by parasites of the genus Leishmania and presents different clinical manifestations. The adverse effects, immunosuppression and resistant strains associated with this disease necessitate the development of new drugs. Nanoparticles have shown potential as alternative antileishmanial drugs. We showed in a previous study the biosynthesis, characterization and ideal concentration of a nanocomposite that promoted leishmanicidal activity. In the present study, we conducted a specific analysis to show the mechanism of action of AgNP-PVP-MA (silver nanoparticle-polyvinylpyrrolidone-[meglumine antimoniate (Glucantime®)]) nanocomposite during Leishmania amazonensis infection in vitro. RESULTS Through ultrastructural analysis, we observed significant alterations, such as the presence of small vesicles in the flagellar pocket and in the extracellular membrane, myelin-like structure formation in the Golgi complex and mitochondria, flagellum and plasma membrane rupture, and electrodense material deposition at the edges of the parasite nucleus in both evolutive forms. Furthermore, the Leishmania parasite infection index in macrophages decreased significantly after treatment, and nitric oxide and reactive oxygen species production levels were determined. Additionally, inflammatory, and pro-inflammatory cytokine and chemokine production levels were evaluated. The IL-4, TNF-α and MIP-1α levels increased significantly, while the IL-17 A level decreased significantly after treatment. CONCLUSIONS Thus, we demonstrate in this study that the AgNP-PVP-MA nanocomposite has leishmanial potential, and the mechanism of action was demonstrated for the first time, showing that this bioproduct seems to be a potential alternative treatment for leishmaniasis.
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Affiliation(s)
- Ana Patricia Cacua Gélvez
- Evandro Chagas Institute, Secretary of Health Surveillance, Laboratory of Electron Microscopy, Ministry of Health, Av. Almirante Barroso, 492, Marco, Pará, 66090-000, Belém, Brazil.,Postgraduate Program in Biology of Infectious and Parasitic Agents, Federal University of Pará, R. Augusto Corrêa, 01 - Guamá, Pará, CEP: 66075-110, Belém, Brazil
| | - José Antonio Picanço Diniz Junior
- Evandro Chagas Institute, Secretary of Health Surveillance, Laboratory of Electron Microscopy, Ministry of Health, Av. Almirante Barroso, 492, Marco, Pará, 66090-000, Belém, Brazil
| | - Rebecca Thereza Silva Santa Brígida
- Evandro Chagas Institute, Secretary of Health Surveillance, Laboratory of Electron Microscopy, Ministry of Health, Av. Almirante Barroso, 492, Marco, Pará, 66090-000, Belém, Brazil.,Postgraduate Program in Biology of Infectious and Parasitic Agents, Federal University of Pará, R. Augusto Corrêa, 01 - Guamá, Pará, CEP: 66075-110, Belém, Brazil
| | - Ana Paula Drummond Rodrigues
- Evandro Chagas Institute, Secretary of Health Surveillance, Laboratory of Electron Microscopy, Ministry of Health, Av. Almirante Barroso, 492, Marco, Pará, 66090-000, Belém, Brazil.
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Zamith-Miranda D, Peres da Silva R, Couvillion SP, Bredeweg EL, Burnet MC, Coelho C, Camacho E, Nimrichter L, Puccia R, Almeida IC, Casadevall A, Rodrigues ML, Alves LR, Nosanchuk JD, Nakayasu ES. Omics Approaches for Understanding Biogenesis, Composition and Functions of Fungal Extracellular Vesicles. Front Genet 2021; 12:648524. [PMID: 34012462 PMCID: PMC8126698 DOI: 10.3389/fgene.2021.648524] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 04/06/2021] [Indexed: 12/13/2022] Open
Abstract
Extracellular vesicles (EVs) are lipid bilayer structures released by organisms from all kingdoms of life. The diverse biogenesis pathways of EVs result in a wide variety of physical properties and functions across different organisms. Fungal EVs were first described in 2007 and different omics approaches have been fundamental to understand their composition, biogenesis, and function. In this review, we discuss the role of omics in elucidating fungal EVs biology. Transcriptomics, proteomics, metabolomics, and lipidomics have each enabled the molecular characterization of fungal EVs, providing evidence that these structures serve a wide array of functions, ranging from key carriers of cell wall biosynthetic machinery to virulence factors. Omics in combination with genetic approaches have been instrumental in determining both biogenesis and cargo loading into EVs. We also discuss how omics technologies are being employed to elucidate the role of EVs in antifungal resistance, disease biomarkers, and their potential use as vaccines. Finally, we review recent advances in analytical technology and multi-omic integration tools, which will help to address key knowledge gaps in EVs biology and translate basic research information into urgently needed clinical applications such as diagnostics, and immuno- and chemotherapies to fungal infections.
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Affiliation(s)
- Daniel Zamith-Miranda
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, United States
- Division of Infectious Diseases, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States
| | | | - Sneha P. Couvillion
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, United States
| | - Erin L. Bredeweg
- Environmental and Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, United States
| | - Meagan C. Burnet
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, United States
| | - Carolina Coelho
- MRC Centre for Medical Mycology, University of Exeter, Exeter, United Kingdom
| | - Emma Camacho
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
| | - Leonardo Nimrichter
- Laboratório de Glicobiologia de Eucariotos, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rosana Puccia
- Departamento de Microbiologia, Imunologia e Parasitologia, Escola Paulista de Medicina-Universidade Federal de São Paulo, São Paulo, Brazil
| | - Igor C. Almeida
- Department of Biological Sciences, Border Biomedical Research Center, University of Texas at El Paso, El Paso, TX, United States
| | - Arturo Casadevall
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
| | - Marcio L. Rodrigues
- Laboratório de Regulação da Expressão Gênica, Instituto Carlos Chagas-FIOCRUZ PR, Curitiba, Brazil
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lysangela R. Alves
- Laboratório de Regulação da Expressão Gênica, Instituto Carlos Chagas-FIOCRUZ PR, Curitiba, Brazil
| | - Joshua D. Nosanchuk
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, United States
- Division of Infectious Diseases, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Ernesto S. Nakayasu
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, United States
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Hui WW, Emerson LE, Clapp B, Sheppe AE, Sharma J, del Castillo J, Ou M, Maegawa GHB, Hoffman C, Larkin, III J, Pascual DW, Ferraro MJ. Antigen-encapsulating host extracellular vesicles derived from Salmonella-infected cells stimulate pathogen-specific Th1-type responses in vivo. PLoS Pathog 2021; 17:e1009465. [PMID: 33956909 PMCID: PMC8101724 DOI: 10.1371/journal.ppat.1009465] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 03/10/2021] [Indexed: 01/22/2023] Open
Abstract
Salmonella Typhimurium is a causative agent of nontyphoidal salmonellosis, for which there is a lack of a clinically approved vaccine in humans. As an intracellular pathogen, Salmonella impacts many cellular pathways. However, the intercellular communication mechanism facilitated by host-derived small extracellular vesicles (EVs), such as exosomes, is an overlooked aspect of the host responses to this infection. We used a comprehensive proteome-based network analysis of exosomes derived from Salmonella-infected macrophages to identify host molecules that are trafficked via these EVs. This analysis predicted that the host-derived small EVs generated during macrophage infection stimulate macrophages and promote activation of T helper 1 (Th1) cells. We identified that exosomes generated during infection contain Salmonella proteins, including unique antigens previously shown to stimulate protective immune responses against Salmonella in murine studies. Furthermore, we showed that host EVs formed upon infection stimulate a mucosal immune response against Salmonella infection when delivered intranasally to BALB/c mice, a route of antigen administration known to initiate mucosal immunity. Specifically, the administration of these vesicles to animals stimulated the production of anti-Salmonella IgG antibodies, such as anti-OmpA antibodies. Exosomes also stimulated antigen-specific cell-mediated immunity. In particular, splenic mononuclear cells isolated from mice administered with exosomes derived from Salmonella-infected antigen-presenting cells increased CD4+ T cells secreting Th1-type cytokines in response to Salmonella antigens. These results demonstrate that small EVs, formed during infection, contribute to Th1 cell bias in the anti-Salmonella responses. Collectively, this study helps to unravel the role of host-derived small EVs as vehicles transmitting antigens to induce Th1-type immunity against Gram-negative bacteria. Understanding the EV-mediated defense mechanisms will allow the development of future approaches to combat bacterial infections.
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Affiliation(s)
- Winnie W. Hui
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, United States of America
- Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, United States of America
| | - Lisa E. Emerson
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, United States of America
| | - Beata Clapp
- Department of Infectious Diseases & Immunology, College of Veterinary Medicine, University of Florida, Gainesville, Florida, United States of America
| | - Austin E. Sheppe
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, United States of America
| | - Jatin Sharma
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, United States of America
| | - Johanna del Castillo
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, United States of America
| | - Mark Ou
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, United States of America
| | - Gustavo H. B. Maegawa
- Department of Pediatrics, College of Medicine, University of Florida, Gainesville, Florida, United States of America
| | - Carol Hoffman
- Department of Infectious Diseases & Immunology, College of Veterinary Medicine, University of Florida, Gainesville, Florida, United States of America
| | - Joseph Larkin, III
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, United States of America
| | - David W. Pascual
- Department of Infectious Diseases & Immunology, College of Veterinary Medicine, University of Florida, Gainesville, Florida, United States of America
| | - Mariola J. Ferraro
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, United States of America
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Srivatsav AT, Kapoor S. The Emerging World of Membrane Vesicles: Functional Relevance, Theranostic Avenues and Tools for Investigating Membrane Function. Front Mol Biosci 2021; 8:640355. [PMID: 33968983 PMCID: PMC8101706 DOI: 10.3389/fmolb.2021.640355] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 01/26/2021] [Indexed: 12/12/2022] Open
Abstract
Lipids are essential components of cell membranes and govern various membrane functions. Lipid organization within membrane plane dictates recruitment of specific proteins and lipids into distinct nanoclusters that initiate cellular signaling while modulating protein and lipid functions. In addition, one of the most versatile function of lipids is the formation of diverse lipid membrane vesicles for regulating various cellular processes including intracellular trafficking of molecular cargo. In this review, we focus on the various kinds of membrane vesicles in eukaryotes and bacteria, their biogenesis, and their multifaceted functional roles in cellular communication, host-pathogen interactions and biotechnological applications. We elaborate on how their distinct lipid composition of membrane vesicles compared to parent cells enables early and non-invasive diagnosis of cancer and tuberculosis, while inspiring vaccine development and drug delivery platforms. Finally, we discuss the use of membrane vesicles as excellent tools for investigating membrane lateral organization and protein sorting, which is otherwise challenging but extremely crucial for normal cellular functioning. We present current limitations in this field and how the same could be addressed to propel a fundamental and technology-oriented future for extracellular membrane vesicles.
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Affiliation(s)
- Aswin T. Srivatsav
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, India
| | - Shobhna Kapoor
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, India
- Wadhwani Research Center of Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
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Gioseffi A, Edelmann MJ, Kima PE. Intravacuolar Pathogens Hijack Host Extracellular Vesicle Biogenesis to Secrete Virulence Factors. Front Immunol 2021; 12:662944. [PMID: 33959131 PMCID: PMC8093443 DOI: 10.3389/fimmu.2021.662944] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 03/30/2021] [Indexed: 12/18/2022] Open
Abstract
Extracellular vesicles (EVs) have garnered significant interest in recent years due to their contributions to cell-to-cell communication and disease processes. EVs are composed of a complex profile of bioactive molecules, which include lipids, nucleic acids, metabolites, and proteins. Although the biogenesis of EVs released by cells under various normal and abnormal conditions has been well-studied, there is incomplete knowledge about how infection influences EV biogenesis. EVs from infected cells contain specific molecules of both host and pathogen origin that may contribute to pathogenesis and the elicitation of the host immune response. Intracellular pathogens exhibit diverse lifestyles that undoubtedly dictate the mechanisms by which their molecules enter the cell’s exosome biogenesis schemes. We will discuss the current understanding of the mechanisms used during infection to traffic molecules from their vacuolar niche to host EVs by selected intravacuolar pathogens. We initially review general exosome biogenesis schemes and then discuss what is known about EV biogenesis in Mycobacterium, Plasmodium, Toxoplasma, and Leishmania infections, which are pathogens that reside within membrane delimited compartments in phagocytes at some time in their life cycle within mammalian hosts. The review includes discussion of the need for further studies into the biogenesis of EVs to better understand the contributions of these vesicles to host-pathogen interactions, and to uncover potential therapeutic targets to control these pathogens.
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Affiliation(s)
- Anna Gioseffi
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, United States
| | - Mariola J Edelmann
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, United States
| | - Peter E Kima
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, United States
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Mwangi SJ, Gwela A, Mwikali K, Bargul JL, Nduati EW, Ndungu FM, Bejon P, Rayner JC, Abdi AI. Impact of Plasmodium falciparum small-sized extracellular vesicles on host peripheral blood mononuclear cells. Wellcome Open Res 2021. [DOI: 10.12688/wellcomeopenres.16131.2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: Exagerated immune activation has a key role in the pathogenesis of malaria. During blood-stage infection, Plasmodium falciparum can interact directly with host immune cells through infected red blood cells (PfiRBCs), or indirectly by the release of extracellular vesicles (EVs). Here, we compared the impact of PfiRBCs and P. falciparum small-sized EVs (PfsEVs, also known as exosomes) from a Kenyan clinical isolate (PfKE12) adapted to short-term laboratory culture conditions on host peripheral blood mononuclear cells (PBMC). Methods: PfsEVs were isolated from cell-free culture-conditioned media by ultracentrifugation while mature trophozoite PfiRBCs were purified by magnetic column separation. The PfsEVs and the PfiRBCs were co-cultured for 18 hours with PBMC. Cellular responses were quantified by cell surface expression of activation markers (CD25, CD69) and cytokine/chemokine levels in the supernatant. Results: Relative to negative control conditions, PfsEVs induced CD25 expression on CD4+, CD19+ and CD14+ cells, while PfiRBCs induced on CD19+ and CD14+ cells. Both PfsEVs and PfiRBCs induced CD69 on CD4+, CD8+ and CD19+ cells. In addition, PfiRBCs induced higher expression of CD69 on CD14+ cells. CD69 induced by PfiRBCs on CD4+ and CD19+ cells was significantly higher than that induced by PfsEVs. Secretion of MIP1α, MIP1β, GM-CSF, IL-6, IL-8, and TNFα were significantly induced by both PfsEVs and PfiRBCs whereas MCP-1, IL-10, IL-17α were preferentially induced by PfsEVs and IP-10 and IFN-γ by PfiRBCs. Prior exposure to malaria (judged by antibodies to schizont extract) was associated with lower monocyte responses to PfsEVs. Conclusions: PfsEVs and PfiRBCs showed differential abilities to induce secretion of IL-17α and IFN-γ, suggesting that the former are better at inducing Th17, whilst the latter induce Th1 immune responses respectively. Prior exposure to malaria significantly reduces the ability of PfsEVs to activate monocytes, suggesting immune tolerance to PfsEVs may play a role in naturally acquired anti-disease immunity.
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Maia MM, da Cruz AB, Taniwaki NN, Namiyama GM, Gava R, Gomes AHS, Kanamura CT, Barbo MLP, Pereira-Chioccola VL. Immunization with extracellular vesicles excreted by Toxoplasma gondii confers protection in murine infection, activating cellular and humoral responses. Int J Parasitol 2021; 51:559-569. [PMID: 33713649 DOI: 10.1016/j.ijpara.2020.11.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 11/19/2020] [Accepted: 11/23/2020] [Indexed: 12/11/2022]
Abstract
The study aim was to analyze whether microvesicles and exosomes, named extracellular vesicles (EVs), purified from Toxoplasma gondii are able to stimulate the protective immunity of experimental mice when administered, as challenge, a highly virulent strain. EVs excreted from T. gondii tachyzoites (RH strain) were purified by chromatography and used for immunization assays in inbred mouse groups (EV-IM). Chronic infected (CHR) and naive (NI) mice were used as control groups, since the immune response is well known. After immunizations, experimental groups were challenged with 100 tachyzoites. Next, parasitemias were determined by real-time PCR (qPCR), and survival levels were evaluated daily. The humoral response was analyzed by detection of IgM, IgG, IgG1 and IgG2a, and opsonization experiments. The cellular response was evaluated in situ by immunohistochemistry on IFN-γ, IL-10, TNF-α and IL-17 expression in cells of five organs (brain, heart, liver, spleen and skeletal muscles). EV immunization reduced parasitemia and increased the survival index in two mouse lineages (A/Sn and BALB/c) infected with a lethal T. gondii strain. EV-IM mice had higher IgG1 levels than IgM or IgG2a. IgGs purified from sera of EV-IM mice were able to opsonize tachyzoites (RH strain), and mice that received these parasites had lower parasitemias, and mortality was delayed 48 h, compared with the same results from those receiving parasites opsonized with IgG purified from NI mice. Brain and spleen cells from EV-IM mice more highly expressed IFN-γ, IL-10 and TNF-α. In conclusion, EV-immunization was capable of inducing immune protection, eliciting high production of IgG1, IFN-γ, IL-10 and TNF-α.
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Affiliation(s)
- Marta Marques Maia
- Centro de Parasitologia e Micologia, Instituto Adolfo Lutz, Sao Paulo, Brazil
| | | | | | | | - Ricardo Gava
- Centro de Parasitologia e Micologia, Instituto Adolfo Lutz, Sao Paulo, Brazil
| | | | | | - Maria Lourdes Peris Barbo
- Departamento de Morfologia e Patologia, Faculdade de Ciências Médicas e Saúde, Pontifícia Universidade Católica, São Paulo, Brazil
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Gualdrón-López M, Díaz-Varela M, Toda H, Aparici-Herraiz I, Pedró-Cos L, Lauzurica R, Lacerda MVG, Fernández-Sanmartín MA, Fernandez-Becerra C, Del Portillo HA. Multiparameter Flow Cytometry Analysis of the Human Spleen Applied to Studies of Plasma-Derived EVs From Plasmodium vivax Patients. Front Cell Infect Microbiol 2021; 11:596104. [PMID: 33732657 PMCID: PMC7957050 DOI: 10.3389/fcimb.2021.596104] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 01/05/2021] [Indexed: 11/13/2022] Open
Abstract
The spleen is a secondary lymphoid organ with multiple functions including the removal of senescent red blood cells and the coordination of immune responses against blood-borne pathogens, such as malaria parasites. Despite the major role of the spleen, the study of its function in humans is limited by ethical implications to access human tissues. Here, we employed multiparameter flow cytometry combined with cell purification techniques to determine human spleen cell populations from transplantation donors. Spleen immuno-phenotyping showed that CD45+ cells included B (30%), CD4+ T (16%), CD8+ T (10%), NK (6%) and NKT (2%) lymphocytes. Myeloid cells comprised neutrophils (16%), monocytes (2%) and DCs (0.3%). Erythrocytes represented 70%, reticulocytes 0.7% and hematopoietic stem cells 0.02%. Extracellular vesicles (EVs) are membrane-bound nanoparticles involved in intercellular communication and secreted by almost all cell types. EVs play several roles in malaria that range from modulation of immune responses to vascular alterations. To investigate interactions of plasma-derived EVs from Plasmodium vivax infected patients (PvEVs) with human spleen cells, we used size-exclusion chromatography (SEC) to separate EVs from the bulk of soluble plasma proteins and stained isolated EVs with fluorescent lipophilic dyes. The integrated cellular analysis of the human spleen and the methodology employed here allowed in vitro interaction studies of human spleen cells and EVs that showed an increased proportion of T cells (CD4+ 3 fold and CD8+ 4 fold), monocytes (1.51 fold), B cells (2.3 fold) and erythrocytes (3 fold) interacting with PvEVs as compared to plasma-derived EVs from healthy volunteers (hEVs). Future functional studies of these interactions can contribute to unveil pathophysiological processes involving the spleen in vivax malaria.
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Affiliation(s)
- Melisa Gualdrón-López
- ISGlobal, Hospital Clinic - Universitat de Barcelona, Barcelona, Spain.,IGTP: Germans Trias i Pujol Research Institute, Barcelona, Spain
| | | | - Haruka Toda
- ISGlobal, Hospital Clinic - Universitat de Barcelona, Barcelona, Spain
| | | | - Laura Pedró-Cos
- IGTP: Germans Trias i Pujol Research Institute, Barcelona, Spain
| | - Ricardo Lauzurica
- Nephrology Service, Germans Trias i Pujol University Hospital, Badalona, Spain
| | - Marcus V G Lacerda
- Fundaçao de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Brazil.,Instituto Leônidas & Maria Deane (ILMD), Fiocruz, Manaus, Brazil
| | | | - Carmen Fernandez-Becerra
- ISGlobal, Hospital Clinic - Universitat de Barcelona, Barcelona, Spain.,IGTP: Germans Trias i Pujol Research Institute, Barcelona, Spain
| | - Hernando A Del Portillo
- ISGlobal, Hospital Clinic - Universitat de Barcelona, Barcelona, Spain.,IGTP: Germans Trias i Pujol Research Institute, Barcelona, Spain.,ICREA: Catalan Institution for Research and Advanced Studies, Barcelona, Spain
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50
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20S proteasomes secreted by the malaria parasite promote its growth. Nat Commun 2021; 12:1172. [PMID: 33608523 PMCID: PMC7895969 DOI: 10.1038/s41467-021-21344-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 01/20/2021] [Indexed: 12/16/2022] Open
Abstract
Mature red blood cells (RBCs) lack internal organelles and canonical defense mechanisms, making them both a fascinating host cell, in general, and an intriguing choice for the deadly malaria parasite Plasmodium falciparum (Pf), in particular. Pf, while growing inside its natural host, the human RBC, secretes multipurpose extracellular vesicles (EVs), yet their influence on this essential host cell remains unknown. Here we demonstrate that Pf parasites, cultured in fresh human donor blood, secrete within such EVs assembled and functional 20S proteasome complexes (EV-20S). The EV-20S proteasomes modulate the mechanical properties of naïve human RBCs by remodeling their cytoskeletal network. Furthermore, we identify four degradation targets of the secreted 20S proteasome, the phosphorylated cytoskeletal proteins β-adducin, ankyrin-1, dematin and Epb4.1. Overall, our findings reveal a previously unknown 20S proteasome secretion mechanism employed by the human malaria parasite, which primes RBCs for parasite invasion by altering membrane stiffness, to facilitate malaria parasite growth. Plasmodium falciparum secretes extracellular vesicles (EVs) while growing inside red blood cells (RBCs). Here the authors show that these EVs contain assembled and functional 20S proteasome complexes that remodel the cytoskeleton of naïve human RBCs, priming the RBCs for parasite invasion.
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