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A targeted functional RNAi screen uncovers Glypican 5 as an entry factor for hepatitis B and D viruses
Eloi R. Verrier1,2, Che C. Colpitts1,2, Charlotte Bach1,2, Laura Heydmann1,2, Amélie Weiss3, Mickaël Renaud3, Sarah C. Durand1,2, François Habersetzer4, David Durantel5, Georges Abou-Jaoudé6, Maria M. López Ledesma7, Daniel J. Felmlee1,2, Magali Soumillon8, Tom Croonenborghs9,10, Nathalie Pochet9, Michael Nassal11, Catherine Schuster1,2, Laurent Brino3, Camille Sureau6,*, Mirjam B. Zeisel1,2 andThomas F. Baumert1,2,4,*
DOI: 10.1002/hep.28013
© 2015 by the American Association for the Study of Liver Diseases
Issue
Cover image for Vol. 62 Issue 2
Hepatology
Accepted Article (Accepted, unedited articles published online and citable. The final edited and typeset version of record will appear in future.)
Article has an altmetric score of 1
1 Inserm, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, Strasbourg, France
2 Université de Strasbourg, Strasbourg, France
3 IGBMC, Plateforme de Criblage Haut-débit, Illkirch, France
4 Institut Hospitalo-Universitaire, Pôle Hépato-digestif, Nouvel Hôpital Civil, Strasbourg, France
5 Inserm U1052, CNRS UMR 5286, Cancer Research Center of Lyon (CRCL), Université de Lyon (UCBL), Lyon, France
6 INTS, Laboratoire de Virologie Moléculaire, Paris, France
7 Cátedra de Virología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
8 Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA, USA
9 Program in Translational NeuroPsychiatric Genomics, Brigham and Women's Hospital, Harvard Medical School, Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA, USA
10 KU Leuven Technology Campus Geel, AdvISe, Geel, Belgium
11 Department of Internal Medicine II/Molecular Biology, University Hospital Freiburg, Freiburg, Germany
*Corresponding authors: Prof. Thomas F. Baumert, MD; Inserm U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 3 Rue Koeberlé, 67000 Strasbourg, France; Phone: +33 3 68 85 37 03, Fax: +33 3 68 85 37 24, e-mail: [email protected] and Dr. Camille Sureau, PhD, Laboratoire de Virologie Moléculaire, Institut National de la Transfusion Sanguine, 6 rue Alexandre-Cabanel, 75739 Paris, France, Fax: + 33 1 44 49 30 59 email: [email protected]
Publication History
Accepted manuscript online: 29 JUL 2015 07:45PM EST
Manuscript Accepted: 23 JUL 2015
Manuscript Revised: 10 JUL 2015
Manuscript Received: 25 MAR 2015
Funded by
Inserm, University of Strasbourg, the European Union. Grant Numbers: EU-INTERREG-IV-Rhin Supérieur-FEDER Hepato-Regio-Net 2012, ERC-2008-AdG-33130-HEPCENT, FP7 305600 HepaMab, EU Infect-Era hepBccc
ANRS. Grant Numbers: 2012/318, 2013/108
French Cancer Agency. Grant Number: ARC IHU201301187
French National Research Agency as part of the Investments for the future program
Canadian Institutes of Health Research. Grant Number: 201411MFE-338606-245517
Keywords:
HDV and HBV infections;high-throughput infection model;viral entry;HSPG
ABSTRACT
Chronic hepatitis B and D infections are major causes of liver disease and hepatocellular carcinoma worldwide. Efficient therapeutic approaches for cure are absent. Sharing the same envelope proteins, hepatitis B virus (HBV) and hepatitis D virus (HDV) use the sodium taurocholate co-transporting polypeptide (NTCP, a bile acid transporter) as a receptor to enter hepatocytes. However, the detailed mechanisms of the viral entry process are still poorly understood. Here, we established a high-throughput infectious cell culture model enabling functional genomics of HDV entry and infection. Using a targeted RNAi entry screen we identified glypican 5 (GPC5) as a common host cell entry factor for HBV and HDV.
Conclusion: These findings advance our understanding of virus cell entry and open new avenues for curative therapies. Since glypicans have been shown to play a role in the control of cell division and growth regulation, virus-GPC5 interactions may also play a role in the pathogenesis of virus-induced liver disease and cancer. This article is protected by copyright. All rights reserved.
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