Influence of Coagulation Factor Zymogens on the Infectivity of Adenoviruses Pseudotyped with Fibers from Subgroup D

Author:

Parker Alan L.1,McVey John H.2,Doctor Jessica H.1,Lopez-Franco Oscar1,Waddington Simon N.3,Havenga Menzo J. E.4,Nicklin Stuart A.1,Baker Andrew H.1

Affiliation:

1. British Heart Foundation Glasgow Cardiovascular Research Centre, Division of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, United Kingdom

2. Haemostasis and Thrombosis, MRC Clinical Sciences Centre, Imperial College London, Du Cane Road, London W12 0NN, United Kingdom

3. Department of Haematology, Haemophilia Centre and Haemostasis Unit, Royal Free and University College Medical School, London NW3 2PF, United Kingdom

4. Crucell, P.O. Box 2048, 2301 CA Leiden, The Netherlands

Abstract

ABSTRACT Recent evidence supports a role for vitamin K-dependent coagulation zymogens in adenovirus serotype 5 (Ad5, subgroup C) infection of hepatocytes. Here, we assessed the effect of virus-zymogen interaction on cellular transduction using a panel of fiber (f)-pseudotyped viruses derived from subgroup D (f47, f33, f24, f45, f17, f30). Each virus directly bound factor X (FX) as determined by surface plasmon resonance, resulting in enhanced cell surface binding. Infection of HepG2 cells was promoted by FX but not by FVII or FIX, while transduction of CHO cells was blocked in heparan sulfate proteoglycan-deficient cells. This suggests a broad role for FX in adenovirus infectivity.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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