Home HOME Acta Virologica 2018 Acta Virologica Vol.62, No.4, p.415-423, 2018

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Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

Published in English

Impact Factor = 1.82

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Acta Virologica Vol.62, No.4, p.415-423, 2018

Title: Construction of expression vectors of capsid proteins from goose parvovirus and investigation of the immunogenicity
Author: M. Tu, P. Liu, F. Liu, M. Wang, R. Jia, D. Zhu, M. Liu, K. Sun, Q. Yang, Y. Wu, X. Chen, A. Cheng, S. Chen

Abstract: Goose parvovirus (GPV) is a highly contagious and lethal disease in goslings and Muscovy ducklings, and is of concern to the waterfowl industry. With the aim of comparing the cellular immunogenicity of three capsid proteins of GPV, plasmids of pcDNA3.1(+)-VP1, pcDNA3.1(+)-VP2, and pcDNA3.1(+)-VP3 were constructed, and the recombinant protein VPs were expressed using an eukaryotic expression system. We detected the levels of immune-related genes (CD4, CD8α, IL-1β, IL-6, IFNα, IFNγ, and IFNλ) in both goose embryo fibroblasts (GEF) and goose peripheral blood mononuclear cells (PBMCs) cellular models. The immune response conferred by a VP2 DNA vaccine in vivo was observed in a time course. Our data suggested that the cellular immune response to VP2 and VP3 was stronger than that to VP1, while VP2 and VP3 shared similar cellular immune reactivity. In addition, vaccination with VP2 plasmid can induce high level of IgY antibody that continued to increase through 28 days post vaccination. Therefore, our findings shed light on the host cellular immune response against GPV capsid proteins.

Keywords: GPV; capsid proteins; cellular immune response; humoral immunity
Published online: 23-Nov-2018
Year: 2018, Volume: 62, Issue: 4 Page From: 415, Page To: 423

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