Generation of Merkel Cell Polyomavirus (MCV)-Like Particles and Their Application to Detection of MCV Antibodies

Author:

Touzé Antoine1,Gaitan Julien1,Arnold Françoise1,Cazal Raphaël1,Fleury Maxime J.1,Combelas Nicolas1,Sizaret Pierre-Yves2,Guyetant Serge3,Maruani Annabel4,Baay Marc5,Tognon Mauro6,Coursaget Pierre1

Affiliation:

1. Université François Rabelais, INSERM U618, and IFR 136, Agents Transmissibles et Infectiologie, Tours, France

2. Service de Microscopie Électronique, Université François Rabelais, INSERM U966, and IFR136, Tours, France

3. Service d'Anatomie et Cytologie Pathologiques. Hôpital Trousseau, CHRU de Tours, Tours, France

4. Université François Rabelais, Service de Dermatologie, Hôpital Trousseau, CHRU de Tours, Tours, France

5. University of Antwerp, Laboratory for Cancer Research and Clinical Oncology, Universiteitsplein 1, Wilrijk, Belgium

6. School of Medicine, University of Ferrara, Ferrara, Italy

Abstract

ABSTRACT The genome of a new human polyomavirus, known as Merkel cell polyomavirus (MCV), has recently been reported to be integrated within the cellular DNA of Merkel cell carcinoma (MCC), a rare human skin cancer. To investigate MCV seroprevalence in the general population, we expressed three different MCV VP1 in insect cells using recombinant baculoviruses. Viruslike particles (VLPs) were obtained with only one of the three VP1 genes. High-titer antibodies against VP1 VLPs were detected in mice immunized with MCV VLPs, and limited cross-reactivity was observed with BK polyomavirus (BKV) and lymphotropic polyomavirus (LPV). MCV antibodies were detected in 77% of the general population, with no variations according to age.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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