Novel Immunoblot Assay Using Four Recombinant Antigens for Diagnosis of Epstein-Barr Virus Primary Infection and Reactivation

Author:

Buisson M.1,Fleurent B.2,Mak M.3,Morand P.1,Chan L.4,Ng A.3,Guan M.3,Chin D.3,Seigneurin J. M.1

Affiliation:

1. Laboratoire de Virologie Médicale Moléculaire, RHAP-CNRS, Faculté de Médecine, 38043 Grenoble, France1;

2. Genelabs Diagnostics S.A., Geneva, Switzerland2; and

3. Genelabs Diagnostics Pte. Ltd.,3 and

4. Bioprocessing Technology Center, National University of Singapore,4 Singapore, Republic of Singapore

Abstract

ABSTRACT A new immunoblot assay, composed of four Epstein-Barr virus (EBV)-encoded recombinant proteins (virus capsid antigen [VCA] p23, early antigen [EA] p138, EA p54, and EBNA-1 p72), was compared with an immunofluorescence assay on a total of 291 sera. The test was accurate in 94.5% of cases of primary EBV infection, while an immunoglobulin G anti-VCA p23 band with strong intensity correlated with reactivation.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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