Article (Scientific journals)
Viral clade is associated with severity of symptomatic genotype 3 hepatitis E virus infections in Belgium, 2010-2018.
Peeters, Michael; Schenk, Julie; De Somer, Thomas et al.
2022In Journal of Hepatology, 78 (1), p. 67-77
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Keywords :
CXCL10; Clade; Hepatitis E virus; Pathogenicity; Risk factor; Severity; Hepatology
Abstract :
[en] ("[en] BACKGROUND & AIMS: HEV genotype (gt) 3 infections are prevalent in high-income countries and display a wide spectrum of clinical presentations. Host - but not viral - factors are reported to be associated with worse clinical outcomes. METHODS: Demographic, clinical, and biochemical data of laboratory-confirmed HEV infections (by PCR and/or a combination of IgM and IgG serology) at the Belgian National Reference Centre between January 2010 and June 2018 were collected using standardised case report forms. Genotyping was based on HEV open reading frame 2 sequences. Serum CXCL10 levels were measured by a magnetic bead-based assay. H&E staining was performed on liver biopsies. RESULTS: A total of 274 HEV-infected individuals were included. Subtype assignment was possible for 179/218 viraemic cases, confirming gt3 as dominant with an almost equal representation of clades abchijklm and efg. An increased hospitalisation rate and higher peak serum levels of alanine aminotransferase, bilirubin, and alkaline phosphatase were found in clade efg-infected individuals in univariate analyses. In multivariable analyses, clade efg infections remained more strongly associated with severe disease presentation than any of the previously identified host risk factors, being associated with a 2.1-fold higher risk of hospitalisation (95% CI = 1.1-4.4, p = 0.034) and a 68.2% higher peak of bilirubin levels (95% CI = 13.3-149.9, p = 0.010), independently of other factors included in the model. In addition, acute clade efg infections were characterised by higher serum CXCL10 levels (p = 0.0005) and a more pronounced liver necro-inflammatory activity (p = 0.022). CONCLUSIONS: In symptomatic HEV gt3 infections, clade efg is associated with a more severe disease presentation, higher serum CXCL10 levels, and liver necro-inflammatory activity, irrespective of known host risk factors. CLINICAL TRIAL REGISTRATION: The protocol was submitted to clinicaltrials.gov (NCT04670419). IMPACT AND IMPLICATIONS: HEV genotype (gt) 3 infections display a wide spectrum of clinical presentations currently ascribed to host factors. Here we examined the role of viral factors on liver disease outcomes by combining viral phylogeny with clinical, biochemical, cytokine, and histological data from 274 Belgian adults infected with HEV presenting between 2010 and 2018. HEV gt 3 clade efg infections were associated with a more severe disease presentation, higher serum CXCL10 levels and liver necro-inflammatory activity, irrespective of known host risk factors. HEV gt3 clade-dependent clinical outcomes call for broad HEV gt3 subtyping in clinical practice and research to help identify those at higher risk for worse outcomes and to further unravel underlying virus-host interactions.","[en] ","")
Disciplines :
Gastroenterology & hepatology
Author, co-author :
Peeters, Michael ;  Sciensano, Infectious Diseases in Humans, Viral Diseases, National Reference Centre of Hepatitis Viruses, Brussels, Belgium
Schenk, Julie;  University of Antwerp, Faculty of Medicine and Health Sciences, Vaccine & Infectious Disease Institute, Centre for Health Economic Research and Modelling Infectious Diseases, Antwerp, Belgium, Hasselt University, Data Science Institute, Interuniversity Institute for Biostatistics and Statistical Bioinformatics, Hasselt, Belgium
De Somer, Thomas;  University Hospital Antwerp, Gastroenterology & Hepatology, Antwerp, Belgium, Maria Middelares Hospital, Gastroenterology & Hepatology, Ghent, Belgium
Roskams, Tania;  KU Leuven, Pathology, Translational Cell and Tissue Research, Leuven, Belgium
Locus, Tatjana ;  Sciensano, Infectious Diseases in Humans, Viral Diseases, National Reference Centre of Hepatitis Viruses, Brussels, Belgium
Klamer, Sofieke;  Sciensano, Epidemiology of Infectious Diseases, Brussels, Belgium
Subissi, Lorenzo;  Sciensano, Infectious Diseases in Humans, Viral Diseases, National Reference Centre of Hepatitis Viruses, Brussels, Belgium, European Public Health Microbiology Training Program (EUPHEM), European Centre for Disease Prevention and Control, Stockholm, Sweden
Suin, Vanessa;  Sciensano, Infectious Diseases in Humans, Viral Diseases, National Reference Centre of Hepatitis Viruses, Brussels, Belgium
Delwaide, Jean ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de gastroentérologie, hépatologie, onco. digestive
Stärkel, Peter;  Cliniques Universitaires Saint-Luc (CUSL), Gastroenterology & Hepatology, Brussels, Belgium
De Maeght, Stéphane;  CH Jolimont, Gastroenterology & Hepatology, Haine Saint Paul, Belgium
Willems, Philippe;  GZA Hospitals, Clinical Laboratory, Wilrijk, Belgium
Colle, Isabelle;  A.S.Z. Aalst, Gastroenterology & Hepatology, Aalst, Belgium, Ghent University Hospital, Department of Hepatology and Gastroenterology, Ghent, Belgium
Van Hoof, Marc;  Clinique Saint-Luc, Gastroenterology & Hepatology, Bouge, Belgium
Van Acker, Jos ;  AZ Sint-Lucas, Clinical Microbiology, Ghent, Belgium
Van Steenkiste, Christophe;  University Hospital Antwerp, Gastroenterology & Hepatology, Antwerp, Belgium, Maria Middelares Hospital, Gastroenterology & Hepatology, Ghent, Belgium
Moreno, Christophe;  CUB Hôpital Erasme, Department of Gastroenterology, Hepatopancreatology and Digestive Oncology, Université Libre de Bruxelles, Brussels, Belgium
Janssens, Filip ;  Jessa Hospital, Gastroenterology & Hepatology, Hasselt, Belgium
Reynders, Marijke ;  AZ Sint-Jan Brugge-Oostende AV, Medical Microbiology, Laboratory Medicine, Brugge, Belgium
Steverlynck, Matthias;  CHM Mouscron, Department of Gastroenterology, Mouscron, Belgium
Verlinden, Wim;  University Hospital Antwerp, Gastroenterology & Hepatology, Antwerp, Belgium, Vitaz, Gastroenterology & Hepatology, Sint-Niklaas, Belgium, University of Antwerp, Laboratory of Experimental Medicine and Pediatrics, Viral Hepatitis Research Group, Antwerp, Belgium
Lasser, Luc;  CHU Brugmann, Gastroenterology & Hepatology, Brussels, Belgium
de Galocsy, Chantal;  Hopitaux IRIS Sud, Department of Hepatology, Brussels, Belgium
Geerts, Anja;  Ghent University Hospital, Gastroenterology & Hepatology, Ghent, Belgium
Maus, Jeroen;  ZNA Middelheim, Gastroenterology & Hepatology, Antwerp, Belgium
Gallant, Marie;  Jan Yperman Ziekenhuis, Gastroenterology & Hepatology, Ieper, Belgium
Van Outryve, Steven ;  GZA Sint Vincentius, Antwerp, Belgium
Marot, Astrid;  CHU UCL Namur, Université Catholique de Louvain, Department of Gastroenterology and Hepatology, Yvoir, Belgium
Reynaert, Hendrik;  University Hospital UZ Brussel, Gastroenterology & Hepatology, Brussels, Belgium
Decaestecker, Jochen ;  AZ Delta, Roeselare, Belgium
Bottieau, Emmanuel;  Institute of Tropical Medicine, Antwerp, Belgium
Schreiber, Jonas;  CHIREC Delta Hospital, Gastroenterology & Hepatology, Brussels, Belgium
Mulkay, Jean-Pierre;  CHU Saint-Pierre, Gastroenterology & Hepatology, Brussels, Belgium
de Goeij, Sébastien;  Gastro-enterology and Hepatology, CHC Liege, Liege, Belgium
Salame, Mikhaël;  Centre Hospitalier Régional Haute Senne, Soignies, Belgium
Dooremont, Diederik;  Algemeen Ziekenhuis Sint-Elisabeth, Zottegem, Belgium
Dastis, Sergio Negrín;  Grand Hôpital de Charleroi, Gastroenterology & Hepatology, Charleroi, Belgium
Boes, Juul;  AZ Turnhout, Turnhout, Belgium
Nijs, Jochen ;  Sint-Trudo Ziekenhuis, Department of Gastroenterology, Sint-Truiden, Belgium
Beyls, Jan;  Sint-Andriesziekenhuis, Department of Gastroenterology, Tielt, Belgium
Hens, Niel ;  University of Antwerp, Faculty of Medicine and Health Sciences, Vaccine & Infectious Disease Institute, Centre for Health Economic Research and Modelling Infectious Diseases, Antwerp, Belgium, Hasselt University, Data Science Institute, Interuniversity Institute for Biostatistics and Statistical Bioinformatics, Hasselt, Belgium
Nevens, Frederik ;  University Hospitals KU Leuven, Gastroenterology & Hepatology, Leuven, Belgium
Van Gucht, Steven;  Sciensano, Infectious Diseases in Humans, Viral Diseases, National Reference Centre of Hepatitis Viruses, Brussels, Belgium. Electronic address: Steven.VanGucht@sciensano.be
Vanwolleghem, Thomas ;  University Hospital Antwerp, Gastroenterology & Hepatology, Antwerp, Belgium, University of Antwerp, Laboratory of Experimental Medicine and Pediatrics, Viral Hepatitis Research Group, Antwerp, Belgium. Electronic address: Thomas.Vanwolleghem@uza.be
Belgian Association for the Study of the Liver
More authors (35 more) Less
Language :
English
Title :
Viral clade is associated with severity of symptomatic genotype 3 hepatitis E virus infections in Belgium, 2010-2018.
Publication date :
06 September 2022
Journal title :
Journal of Hepatology
ISSN :
0168-8278
eISSN :
1600-0641
Publisher :
Elsevier B.V., Netherlands
Volume :
78
Issue :
1
Pages :
67-77
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This study is a retrospective analysis of routinely collected data, within the Belgian National Reference Centre (NRC) programme funded by the National Institute for Health and Disability Insurance (RIZIV-INAMI, Belgium). TV is supported by a senior clinical investigator grant of the Research Foundation Flanders (FWO) (number 18B2821N , Belgium). JS and NH acknowledge funding from the European Research Council (ERC) Horizon 2020 research and innovation program (grant agreement 682540 — TransMID , European Union). The funding sources did not have any role in study design, in the collection, analysis, and interpretation of data, in the manuscript writing, or in the decision to submit the paper for publication.
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