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Chang R, Davydov A, Jaroenlak P, Budaitis B, Ekiert DC, Bhabha G, Prakash M. Energetics of the microsporidian polar tube invasion machinery. eLife 2024; 12:RP86638. [PMID: 38381133 PMCID: PMC10942582 DOI: 10.7554/elife.86638] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024] Open
Abstract
Microsporidia are eukaryotic, obligate intracellular parasites that infect a wide range of hosts, leading to health and economic burdens worldwide. Microsporidia use an unusual invasion organelle called the polar tube (PT), which is ejected from a dormant spore at ultra-fast speeds, to infect host cells. The mechanics of PT ejection are impressive. Anncaliia algerae microsporidia spores (3-4 μm in size) shoot out a 100-nm-wide PT at a speed of 300 μm/s, creating a shear rate of 3000 s-1. The infectious cargo, which contains two nuclei, is shot through this narrow tube for a distance of ∼60-140 μm (Jaroenlak et al, 2020) and into the host cell. Considering the large hydraulic resistance in an extremely thin tube and the low-Reynolds-number nature of the process, it is not known how microsporidia can achieve this ultrafast event. In this study, we use Serial Block-Face Scanning Electron Microscopy to capture 3-dimensional snapshots of A. algerae spores in different states of the PT ejection process. Grounded in these data, we propose a theoretical framework starting with a systematic exploration of possible topological connectivity amongst organelles, and assess the energy requirements of the resulting models. We perform PT firing experiments in media of varying viscosity, and use the results to rank our proposed hypotheses based on their predicted energy requirement. We also present a possible mechanism for cargo translocation, and quantitatively compare our predictions to experimental observations. Our study provides a comprehensive biophysical analysis of the energy dissipation of microsporidian infection process and demonstrates the extreme limits of cellular hydraulics.
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Affiliation(s)
- Ray Chang
- Department of Bioengineering, Stanford UniversityStanfordUnited States
| | - Ari Davydov
- Department of Cell Biology, New York University School of MedicineNew YorkUnited States
| | - Pattana Jaroenlak
- Department of Cell Biology, New York University School of MedicineNew YorkUnited States
| | - Breane Budaitis
- Department of Cell Biology, New York University School of MedicineNew YorkUnited States
| | - Damian C Ekiert
- Department of Cell Biology, New York University School of MedicineNew YorkUnited States
- Department of Microbiology, New York University School of MedicineNew YorkUnited States
| | - Gira Bhabha
- Department of Cell Biology, New York University School of MedicineNew YorkUnited States
| | - Manu Prakash
- Department of Bioengineering, Stanford UniversityStanfordUnited States
- Woods Institute for the Environment, Stanford UniversityStanfordUnited States
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Watanabe N, Saito-Nakano Y, Kurisawa N, Otomo K, Suenaga K, Nakano K, Nozaki T. Fumagillin inhibits growth of the enteric protozoan parasite Entamoeba histolytica by covalently binding to and selectively inhibiting methionine aminopeptidase 2. Antimicrob Agents Chemother 2023; 67:e0056023. [PMID: 37874291 PMCID: PMC10648944 DOI: 10.1128/aac.00560-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/27/2023] [Indexed: 10/25/2023] Open
Abstract
Amebiasis is an important cause of morbidity and mortality worldwide, and caused by infection with the protozoan parasite Entamoeba histolytica. Metronidazole is currently the first-line drug despite adverse effects and concerns on the emergence of drug resistance. Fumagillin, a fungal metabolite from Aspergillus fumigatus, and its structurally related natural and synthetic compounds have been previously explored as potential anti-angiogenesis inhibitors for cancers, anti-microbial, and anti-obese compounds. Although fumagillin was used for human amebiasis in clinical trials in 1950s, the mode of action of fumagillin remains elusive until now. In this report, we showed that fumagillin covalently binds to methionine aminopeptidase 2 (MetAP2) and non-covalently but abundantly binds to patatin family phospholipase A (PLA). Susceptibility against fumagillin of the amebic strains in which expression of E. histolytica MetAP2 (EhMetAP2) gene was silenced increased compared to control strain. Conversely, overexpression of EhMetAP2 mutants that harbors amino acid substitutions responsible for resistance to ovalicin, a fumagillin analog, in human MetAP2, also resulted in decrease in fumagillin susceptibility. In contrast, neither gene silencing nor overexpression of E. histolytica PLA (EhPLA) affected fumagillin susceptibility. These data suggest that EhPLA is not essential and not the target of fumagillin for its amebicidal activity. Taken together, our data have demonstrated that EhMetAP2 is the primary target for amebicidal activity of fumagillin, and EhMetAP2 represents a rational explorable target for the development of alternative therapeutic agents against amebiasis.
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Affiliation(s)
- Natsuki Watanabe
- Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yumiko Saito-Nakano
- Department of Parasitology and Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Tokyo, Japan
| | - Naoaki Kurisawa
- Department of Chemistry, Faculty of Science and Technology, Keio University, Kanagawa, Japan
| | - Keisuke Otomo
- Department of Chemistry, Faculty of Science and Technology, Keio University, Kanagawa, Japan
| | - Kiyotake Suenaga
- Department of Chemistry, Faculty of Science and Technology, Keio University, Kanagawa, Japan
| | - Kentaro Nakano
- Degree Programs in Biology, Graduate School of Science and Technology, University of Tsukuba, Ibaraki, Japan
| | - Tomoyoshi Nozaki
- Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Chang R, Davydov A, Jaroenlak P, Budaitis B, Ekiert DC, Bhabha G, Prakash M. Energetics of the Microsporidian Polar Tube Invasion Machinery. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.17.524456. [PMID: 36711805 PMCID: PMC9884504 DOI: 10.1101/2023.01.17.524456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Microsporidia are eukaryotic, obligate intracellular parasites that infect a wide range of hosts, leading to health and economic burdens worldwide. Microsporidia use an unusual invasion organelle called the polar tube (PT), which is ejected from a dormant spore at ultra-fast speeds, to infect host cells. The mechanics of PT ejection are impressive. Anncaliia algerae microsporidia spores (3-4 μm in size) shoot out a 100-nm-wide PT at a speed of 300 μm/sec, creating a shear rate of 3000 sec-1. The infectious cargo, which contains two nuclei, is shot through this narrow tube for a distance of ~60-140 μm (Jaroenlak et al., 2020) and into the host cell. Considering the large hydraulic resistance in an extremely thin tube and the low-Reynolds-number nature of the process, it is not known how microsporidia can achieve this ultrafast event. In this study, we use Serial Block-Face Scanning Electron Microscopy to capture 3-dimensional snapshots of A. algerae spores in different states of the PT ejection process. Grounded in these data, we propose a theoretical framework starting with a systematic exploration of possible topological connectivity amongst organelles, and assess the energy requirements of the resulting models. We perform PT firing experiments in media of varying viscosity, and use the results to rank our proposed hypotheses based on their predicted energy requirement. We also present a possible mechanism for cargo translocation, and quantitatively compare our predictions to experimental observations. Our study provides a comprehensive biophysical analysis of the energy dissipation of microsporidian infection process and demonstrates the extreme limits of cellular hydraulics.
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Affiliation(s)
- Ray Chang
- Department of Bioengineering, Stanford University, Stanford, California, United States of America
| | - Ari Davydov
- Department of Cell Biology, New York University School of Medicine, New York, New York, United States of America
| | - Pattana Jaroenlak
- Department of Cell Biology, New York University School of Medicine, New York, New York, United States of America
| | - Breane Budaitis
- Department of Cell Biology, New York University School of Medicine, New York, New York, United States of America
| | - Damian C. Ekiert
- Department of Cell Biology, New York University School of Medicine, New York, New York, United States of America
- Department of Microbiology, New York University School of Medicine, New York, New York, United States of America
| | - Gira Bhabha
- Department of Cell Biology, New York University School of Medicine, New York, New York, United States of America
| | - Manu Prakash
- Department of Bioengineering, Stanford University, Stanford, California, United States of America
- Woods Institute for the Environment, Stanford University, Stanford, California, United States of America
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Zhou L, Guan Z, Chen C, Zhu Q, Qiu S, Liu Y, Li M, Zeng W, Wang H, Gao Y, Yuan Y, Zhang H, Ruan G, Pan X. The successful treatment of Enterocytozoon bieneusi Microsporidiosis with nitazoxanide in a patient with B-ALL: A Case Report. Front Cell Infect Microbiol 2023; 12:1072463. [PMID: 36699718 PMCID: PMC9868268 DOI: 10.3389/fcimb.2022.1072463] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/19/2022] [Indexed: 01/10/2023] Open
Abstract
Introduction Enterocytozoon bieneusi (E. bieneusi) Microsporidia can cause opportunistic infections in immunocompromised patients and is also an emerging disease in these individuals. Its clinical manifestations are chronic diarrhea and severe wasting syndrome, these can be extremely debilitating and carry a significant risk of death for immunocompromised patients. Often, microsporidia cannot be confirmed immediately by routine examination and culture. Effective and available treatment options are limited for infections caused by E. bieneusi in humans. Such cases are very rare in Chinese Mainland. Case presentation A 47-year-old male had recurrent, profuse watery diarrhea and abdominal discomfort for more than 7 months, with a fever for 5 days. Two years earlier, he received treatment with a modified BFM-90 protocol for acute B cell lymphoblastic leukemia and is currently in the final stages of maintenance therapy with oral methotrexate and mercaptopurine. The leukemia was assessed as still in remission two months ago. PET/CT showed massive peritoneal fluid accumulation and a high uptake area in the diffused peritoneum (SUVmax 12.57), suggesting tumor invasion or microbial infections. However, broad-spectrum antibacterial therapies were ineffective. Metagenomic sequencing of plasma and peritoneal fluid showed no suggestion of the existence of a tumor but instead showed a high sequence number of DNA and RNA of the Microsporidia. His albendazole treatment failed and subsequent treatment with nitazoxanide successfully resolved the infection. Conclusion This case shows that we should consider the possibility of atypical pathogen infection in patients with hematologic malignancy who repeatedly develop unexplained diarrhea with wasting. mNGS can help rule out malignant neoplasms and diagnose infections. Our results suggest that nitazoxanide effectively treats E. bieneusi microsporidia infections.
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Koehler AV, Zhang Y, Gasser RB. A Perspective on the Molecular Identification, Classification, and Epidemiology of Enterocytozoon bieneusi of Animals. EXPERIENTIA SUPPLEMENTUM (2012) 2022; 114:389-415. [PMID: 35544010 DOI: 10.1007/978-3-030-93306-7_14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The microsporidian Enterocytozoon bieneusi is an obligate intracellular pathogen that causes enteric disease (microsporidiosis) in humans and has been recorded in a wide range of animal species worldwide. The transmission of E. bieneusi is direct and likely occurs from person to person and from animal to person via the ingestion of spores in water, food, or the environment. The identification of E. bieneusi is usually accomplished by molecular means, typically using the sequence of the internal transcribed spacer (ITS) region of nuclear ribosomal DNA. Currently, ~820 distinct genotypes of E. bieneusi have been recorded in at least 210 species of vertebrates (mammals, birds, reptiles, and amphibians) or invertebrates (insects and mussels) in more than 50 countries. In this chapter, we provide a perspective on (1) clinical aspects of human microsporidiosis; (2) the genome and DNA markers for E. bieneusi as well as molecular methods for the specific and genotypic identification of E. bieneusi; (3) epidemiological aspects of E. bieneusi of animals and humans, with an emphasis on the genotypes proposed to be zoonotic, human-specific, and animal-specific; and (4) future research directions to underpin expanded molecular studies to better understand E. bieneusi and microsporidiosis.
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Affiliation(s)
- Anson V Koehler
- Department of Veterinary Biosciences, Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, Australia.
| | - Yan Zhang
- Department of Veterinary Biosciences, Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, Australia
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Robin B Gasser
- Department of Veterinary Biosciences, Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, Australia.
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Identification of two potential aetiological agents of chronic diarrhoea in an immunocompromised patient in Cuba using conventional and molecular diagnostic techniques. J Microbiol Methods 2021; 192:106376. [PMID: 34798175 DOI: 10.1016/j.mimet.2021.106376] [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: 11/09/2021] [Revised: 11/13/2021] [Accepted: 11/13/2021] [Indexed: 11/23/2022]
Abstract
The aetiology of diarrhoea in a patient in Cuba with HIV was investigated. Although molecular diagnostics are still not used in many under-resourced settings, here traditional methods were supported by use of PCR. This approach enabled detection of a dual infection (Cystoisospora belli and Enterocytozoon bieneusi), the latter of which was not identified by microscopy with Didier's trichromic staining.
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Dumond C, Aulagnon F, Etienne I, Heng AE, Bougnoux ME, Favennec L, Kamar N, Iriart X, Pereira B, Büchler M, Desoubeaux G, Kaminski H, Lussac-Sorton F, Gargala G, Anglicheau D, Poirier P, Scemla A, Garrouste C. Epidemiological and clinical study of microsporidiosis in French kidney transplant recipients from 2005 to 2019: TRANS-SPORE registry. Transpl Infect Dis 2021; 23:e13708. [PMID: 34324771 DOI: 10.1111/tid.13708] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/29/2021] [Accepted: 07/01/2021] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Microsporidiosis is an emerging opportunistic infection in renal transplantation (RT) recipients. We aimed to describe its clinical presentation and treatment. MATERIALS AND METHODS We collected microsporidiosis cases identified in RT recipients between 2005 and 2019 in six French centers from the Crystal, Divat and Astre prospective databases. RESULTS We report 68 RT recipients with intestinal microsporidiosis; the patients were predominantly male (61.8%), with a median age of 58 (46-69) years. Infection occurred at a median time of 3 (0.8-6.8) years posttransplant. Only Enterocytozoon bieneusi was found. Microsporidiosis manifested as diarrhea (98.5% of patients) with weight loss (72.1%) and acute renal injury (57.4%) without inflammatory biological parameters. The therapeutic approaches were no treatment (N = 9), reduction of the immunosuppressive regimen (∆IS) (N = 22), fumagillin alone (N = 9), fumagillin and ∆IS (N = 19), and albendazole or nitazoxanide and ∆IS (N = 9). Overall clinical remission was observed in 60 patients (88.2%). We observed no acute kidney rejection, renal transplant failure, or death within 6 months after microsporidiosis. CONCLUSION E. bieneusi is an underestimated opportunistic pathogen in RT recipients, and infection with E. bieneusi leads to diarrhea with important dehydration and acute renal injury. The treatment is based on the reduction of the immunosuppressive regimen and the administration of fumagillin if available.
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Affiliation(s)
- Clément Dumond
- Department of Nephrology, 3iHP, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
| | - Florence Aulagnon
- Department of Nephrology and Kidney Transplantation, Assistance Publique-Hôpitaux de Paris, Necker Hospital, Paris, France
| | - Isabelle Etienne
- Department of Nephrology, Rouen University Hospital, Rouen, France
| | - Anne-Elisabeth Heng
- Department of Nephrology, 3iHP, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
| | - Marie-Elisabeth Bougnoux
- Department of Parasitology, Necker Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Loic Favennec
- Department of Parasitology, Rouen University Hospital, University of Rouen, Mont-Saint-Aignan, France
| | - Nassim Kamar
- Department of Nephrology and Organ Transplantation, Toulouse Rangueil University Hospital, Center for Pathophysiology of Toulouse Purpan, Paul Sabatier University, Toulouse, France
| | - Xavier Iriart
- Service de Parasitologie-Mycologie, CHU Toulouse, Hôpital Purpan, Toulouse, France.,Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), CNRS UMR5051, INSERM UMR1291, UPS, Université Toulouse, Toulouse, France
| | - Bruno Pereira
- Biostatistics Unit (DRCI), Clermont-Ferrand University Hospital, Clermont-Ferrand, France
| | - Mathias Büchler
- Department of Nephrology and Clinical Immunology, Tours University Hospital, Tours, France
| | - Guillaume Desoubeaux
- Department of Parasitology-Mycology- Tropical Medicine, Tours University Hospital, Tours, France
| | - Hannah Kaminski
- Department of Nephrology, Bordeaux University Hospital, Bordeaux, France
| | | | - Gilles Gargala
- Department of Parasitology, Rouen University Hospital, University of Rouen, Mont-Saint-Aignan, France
| | - Dany Anglicheau
- Department of Nephrology and Kidney Transplantation, Assistance Publique-Hôpitaux de Paris, Necker Hospital, Paris, France
| | - Philippe Poirier
- Department of Parasitology, Clermont-Ferrand University Hospital, 3iHP, Clermont-Ferrand, INSERM, Université Clermont Auvergne, Clermont-Ferrand, France
| | - Anne Scemla
- Department of Nephrology and Kidney Transplantation, Assistance Publique-Hôpitaux de Paris, Necker Hospital, Paris, France
| | - Cyril Garrouste
- Department of Nephrology, 3iHP, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
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- Department of Nephrology, 3iHP, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
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Dumortier J, Radenne S, Kamar N, Conti F, Abergel A, Coilly A, Francoz C, Houssel-Debry P, Vanlemmens C, Laverdure N, Duvoux C, Iriart X, Thellier M, Angoulvant A, Argy N, Autier B, Bellanger AP, Botterel F, Garrouste C, Rabodonirina M, Poirier P. Microsporidiosis after liver transplantation: A French nationwide retrospective study. Transpl Infect Dis 2021; 23:e13665. [PMID: 34101311 DOI: 10.1111/tid.13665] [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: 05/07/2021] [Accepted: 05/24/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND Microsporidiosis has been largely reported in patients with acquired immunodeficiency syndrome, but emerged as a cause of persistent diarrhea in solid organ transplant patients. METHODS Through the French Microsporidiosis Network and the Groupe français de recherche en greffe de foie, we collected all microsporidiosis cases identified in liver transplant patients between 1995 and 2020 in France. RESULTS We identified 24 liver transplant recipients with microsporidiosis. Sex ratio was balanced and median age was 58.8 (3.5-83.5) years (there were 4 children). Microsporidiosis occurred at a median time of 3.9 (0.1-18.9) years post-transplant. Median duration of diarrhea before diagnosis was 22 days (12-45). Therapeutic care included immunosuppressive therapy changes in 20 patients, as follows: stop cyclosporine or tacrolimus (n = 2), dose reduction of cyclosporine or tacrolimus (n = 12), stop MMF (n = 5), and dose reduction of corticosteroids (n = 1). In addition, 15 patients received specific therapy against microsporidiosis: fumagillin (n = 11) or albendazole (n = 4). Median duration of treatment was 14 days (8-45 days). Finally, 7 patients had immunosuppressive treatment tapering only. Microsporidiosis was complicated by renal failure in 15 patients, requiring dialysis in one case. Two patients had infection relapse. No patient presented proven rejection within the 3 months after microsporidiosis. None of the patients died within the 3 months after microsporidiosis. CONCLUSIONS Microsporidiosis is a very rare infection after liver transplantation but can induce severe dehydration and renal failure. Therefore, it must be systematically sought in any case of persistent diarrhea after first line screening of frequent infectious causes.
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Affiliation(s)
- Jérôme Dumortier
- Hospices civils de Lyon, Hôpital Edouard Herriot, Unité de transplantation hépatique, et Université Claude Bernard Lyon 1, Lyon, France
| | - Sylvie Radenne
- Service d'Hépato-Gastroentérologie, Hospices civils de Lyon, Hôpital de la Croix-Rousse, Lyon, France
| | - Nassim Kamar
- Département de Néphrologie et Transplantation d'Organes, CHU Toulouse Rangueil, INSERM U1043, Université Paul Sabatier, Toulouse, France
| | - Filomena Conti
- Service d'hépatologie et transplantation hépatique, APHP - Hôpital de la Pitié Salpêtrière, Paris, France
| | - Armand Abergel
- CHU Clermont-Ferrand, Médecine digestive, Institut Pascal., UMR 6602 UCA CNRS SIGMA, Clermont-Ferrand, France
| | - Audrey Coilly
- AP-HP, Hôpital Paul Brousse, Centre Hépato-Biliaire, et INSERM, Unité 1193, Villejuif, France
| | - Claire Francoz
- APHP, Hôpital Beaujon, Service d'Hépatologie et Transplantation Hépatique, Université Paris Diderot - INSERM U1149, Clichy, France
| | - Pauline Houssel-Debry
- Service des Maladies du foie, CHU de Rennes, Hôpital de Pontchaillou, Rennes, France
| | - Claire Vanlemmens
- Service d'Hépatologie et Soins Intensifs Digestifs, CHU de Besançon, Hôpital Jean Minjoz, Besançon, France
| | - Noémie Laverdure
- Service d'Hépato-Gastroentérologie et Nutrition pédiatriques, Hospices civils de Lyon, Hôpital Femme-Mère-Enfant, Bron, France
| | | | - Xavier Iriart
- Service de Parasitologie-Mycologie, CHU Toulouse, Hôpital Purpan, et Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), Université Toulouse, CNRS UMR5051, INSERM UMR1291, UPS, Toulouse, France
| | - Marc Thellier
- Service de Parasitologie-Mycologie, APHP - Hôpital de la Pitié Salpêtrière, Paris, France
| | - Adela Angoulvant
- Service de Maladies infectieuses et Tropicale, APHP -Hôpital Bicêtre, Le Kremlin-Bicêtre, France
| | - Nicolas Argy
- Service de Parasitologie-Mycologie, APHP, Hôpital Bichat-Claude Bernard, Paris, France
| | - Brice Autier
- Univ Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé Environnement Travail), UMR_S 1085, Rennes, France
| | | | - Françoise Botterel
- Service de Maladies infectieuses et Tropicale, APHP -Hôpital Bicêtre, Le Kremlin-Bicêtre, France
| | - Cyril Garrouste
- Service de Néphrologie et transplantation rénale, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Meja Rabodonirina
- Service de Parasitologie, Hospices civils de Lyon, Hôpital de la Croix-Rousse, et Université Claude Bernard Lyon 1, Lyon, France
| | - Philippe Poirier
- Service de Parasitologie-Mycologie, CHU Clermont-Ferrand, 3iHP, INSERM, Université Clermont Auvergne, Clermont-Ferrand, France
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