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KMID : 0545120150250020268
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Journal of Microbiology and Biotechnology
2015 Volume.25 No. 2 p.268 ~ p.273
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Measurement of Antibodies to Varicella-Zoster Virus Using a Virus-Free Fluorescent-Antibody-to-Membrane-Antigen (FAMA) Test
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Park Rack-Hyun
Hwang Ji-Young
Lee Kang-Il
Namkoong Sim
Choi Seuk-Keun
Park Song-Yong
Park Ho-Sun
Park Jun-Soo
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Abstract
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The fluorescent-antibody-to-membrane-antigen (FAMA) test is regarded as the “gold standard” to detect protective antibodies to varicella-zoster virus (VZV) because of its high sensitivity and specificity. Because the classic FAMA test uses an infectious virus for detection of antibodies to VZV, it is labor-intensive, and also requires special equipment for handling the virus. For this reason, we attempted to develop a simple and safe FAMA assay. Because VZV glycoprotein E (gE) is one of the major VZV glycoproteins, we used the gE protein for the FAMA test (gE FAMA). Here, we demonstrate that overexpression of gE in HEK293T cells can be used to measure antibodies in human serum, and that gE FAMA titers are closely correlated with gpEIA ELISA data. These results indicate that our gE FAMA test has the potential to measure antibodies to VZV.
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KEYWORD
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Varicella-zoster virus, fluorescent-antibody-to-membraneantigen test, chickenpox, shingles, glycoprotein E
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