NDLI: Relationship between Expression of Cellular Receptor-27.8kDa and Lymphocystis Disease Virus (LCDV) Infection

Content Provider	PubMed Central
Author	Wu, Ronghua Tang, Xiaoqian Sheng, Xiuzhen Zhan, Wenbin
Editor	Song, Linsheng
Copyright Year	2015
Abstract	The 27.8kDa membrane protein from flounder (Paralichthys olivaceus) gill (FG) cells was previously identified as a putative cellular receptor involved in lymphocystis disease virus (LCDV) infection. In this paper, the expression of receptor-27.8kDa (27.8R) and LCDV loads in FG cells and hirame natural embryo (HINAE) cells were investigated upon LCDV infection and anti-27.8R monoclonal antibody (MAb) treatment. The results showed the 27.8R was expressed and co-localized with LCDV in both FG and HINAE cell surface. After LCDV infection, the expression of 27.8R exhibited a dose-dependent up-regulation with the increasing of LCDV titers, and demonstrated a tendency to increase firstly and then decrease during a time course up to 9 days; LCDV copies showed a similar variation trend to the 27.8R expression, however, it reached the highest level later than did the 27.8R expression. Additionally, the 27.8R expression and LCDV copies in FG cells were higher than those in HINAE cells. In the presence of increasing concentration of the anti-27.8R MAbs, the up-regulation of 27.8R expression and the copy numbers of LCDV significantly declined post LCDV infection, and the cytopathic effect induced by LCDV in the two cell lines was accordingly reduced, indicating anti-27.8R MAbs pre-incubation could inhibit the up-regulation of 27.8R expression and LCDV infection. These results suggested that LCDV infection could induce up-regulation of 27.8R expression, which in turn increased susceptibility and availability of FG and HINAE cells for LCDV entry, providing important new insights into the LCDV replication cycle and the interaction between this virus and the host cells.
Related Links	http://dx.doi.org/10.1371/journal.pone.0127940
Starting Page	127940
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	5
Volume Number	10
Language	English
Publisher	Public Library of Science
Publisher Date	2015-05-29
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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