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KMID : 0425120190570030283
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Parasites, Hosts and Diseases
2019 Volume.57 No. 3 p.283 ~ p.290
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Development and Clinical Evaluation of a Rapid Diagnostic Test for Yellow Fever Non-Structural Protein 1
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Kim Yeong-Hoon
Kim Tae-Yun
Park Ji-Seon
Park Jin-Suk
Lee Ji-Hoo
Moon Joung-Dae
Chong Chom-Kyu
Neves Ivan Junior
Ferry Fernando Raphael
Ahn Hye-Jin
Bhatt Lokraj
Nam Ho-Woo
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Abstract
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A rapid diagnostic test (RDT) kit was developed to detect non-structural protein 1 (NS1) of yellow fever virus (YFV) using monoclonal antibody. NS1 protein was purified from the cultured YFV and used to immunize mice. Monoclonal antibody to NS1 was selected and conjugated with colloidal gold to produce the YFV NS1 RDT kit. The YFV RDTs were evaluated for sensitivity and specificity using positive and negative samples of monkeys from Brazil and negative human blood samples from Korea. Among monoclonal antibodies, clones 3A11 and 3B7 proved most sensitive, and used for YFV RDT kit. Diagnostic accuracy of YFV RDT was fairly high; Sensitivity was 0.0% and specificity was 100% against Dengue viruses type 2 and 3, Zika, Chikungunya and Mayaro viruses. This YFV RDT kit could be employed as a test of choice for point-of-care diagnosis and large scale surveys of YFV infection under clinical or field conditions in endemic areas and on the globe.
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KEYWORD
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Yellow fever, diagnostics, RDT, monoclonal antibody, NS1
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