期刊
JOURNAL OF VIROLOGICAL METHODS
卷 200, 期 -, 页码 10-14出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jviromet.2014.01.014
关键词
VZV; Nutralization; ELISPOT; Paque-reduction assay; gK
资金
- National High Technology Research and Development Program of China [2012AA02A408]
- National Natural Science Fund for Distinguished Young Scholars [30925030]
Plaque-reduction assays have been used to detect varicella-zoster virus (VZV)-neutralizing antibodies in sera for many decades. The current study characterized the mouse monoclonal antibody (MAb) 18A10, specific for VZV envelope glycoprotein K (gK), and applied this antibody to a new type of neutralization assay in the VZV field. The procedure is called the neutralization enzyme-linked immunosorbent spot (N-ELISPOT) assay and evolved from the VZV immunoperoxidase focus assay. Optimization of the assay involved defining the optimum combination of virus plaque-forming units (PFU) and antibody dilution, which were found to be 0-100 PFU and 1:200, respectively. Furthermore the N-ELISPOT assay produced results consistent with that obtained for the plaque-reduction neutralization assay. Considering that the plaque-reduction neutralization assay is time-consuming and labor-intensive, the VZV N-ELISPOT assay offers several advantages including reproducibility and applicability for high-throughput analysis of humoral immune responses to VZV. (C) 2014 Elsevier B.V. All rights reserved.
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