Fluorescence Reduction Neutralization Test: A Novel, Rapid, and Efficient Method for Characterizing the Neutralizing Activity of Antibodies Against Dengue Virus

Dengue virus (DENV) is a major public health threat in the tropical and subtropical regions of the world. Climate change resulting from global warming is further expanding DENV–endemic areas, adversely affecting public life and health. Despite this, no specific drug against DENV has been developed s...

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Main Authors: Jiazheng Guo, Jiansheng Lu, Peng Du, Kexuan Cheng, Chao Lei, Yujia Jiang, Meiling Peng, Yating Li, Kaiyue Sun, Changyan Xu, Yunzhou Yu, Chen Gao, Qinglin Kang, Yixiao Zhang, Rong Wang, Zhixin Yang
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Current Issues in Molecular Biology
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Online Access:https://www.mdpi.com/1467-3045/47/3/140
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author Jiazheng Guo
Jiansheng Lu
Peng Du
Kexuan Cheng
Chao Lei
Yujia Jiang
Meiling Peng
Yating Li
Kaiyue Sun
Changyan Xu
Yunzhou Yu
Chen Gao
Qinglin Kang
Yixiao Zhang
Rong Wang
Zhixin Yang
author_facet Jiazheng Guo
Jiansheng Lu
Peng Du
Kexuan Cheng
Chao Lei
Yujia Jiang
Meiling Peng
Yating Li
Kaiyue Sun
Changyan Xu
Yunzhou Yu
Chen Gao
Qinglin Kang
Yixiao Zhang
Rong Wang
Zhixin Yang
author_sort Jiazheng Guo
collection DOAJ
description Dengue virus (DENV) is a major public health threat in the tropical and subtropical regions of the world. Climate change resulting from global warming is further expanding DENV–endemic areas, adversely affecting public life and health. Despite this, no specific drug against DENV has been developed so far. Vaccines and neutralizing antibodies are the chief preventive and therapeutic tools for managing pathogenic infections. The present study describes the development of a novel fluorescence reduction neutralization test (FRNT) for evaluating the neutralizing activity of antibodies against DENV. This FRNT allows rapid antibody screening. In addition, we calculated the FRNT<sub>50</sub> to indicate the neutralizing ability of the antibodies. In contrast to the conventional plaque reduction neutralization assay, the FRNT has a shorter experimental cycle, a simpler operation, and greater objectivity, which can greatly accelerate the research and development process of vaccines and antibodies against DENV.
format Article
id doaj-art-8fd73742b09e49cda4d6c3058b87c1e9
institution DOAJ
issn 1467-3037
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language English
publishDate 2025-02-01
publisher MDPI AG
record_format Article
series Current Issues in Molecular Biology
spelling doaj-art-8fd73742b09e49cda4d6c3058b87c1e92025-08-20T02:42:46ZengMDPI AGCurrent Issues in Molecular Biology1467-30371467-30452025-02-0147314010.3390/cimb47030140Fluorescence Reduction Neutralization Test: A Novel, Rapid, and Efficient Method for Characterizing the Neutralizing Activity of Antibodies Against Dengue VirusJiazheng Guo0Jiansheng Lu1Peng Du2Kexuan Cheng3Chao Lei4Yujia Jiang5Meiling Peng6Yating Li7Kaiyue Sun8Changyan Xu9Yunzhou Yu10Chen Gao11Qinglin Kang12Yixiao Zhang13Rong Wang14Zhixin Yang15Laboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaLaboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Beijing 100071, ChinaDengue virus (DENV) is a major public health threat in the tropical and subtropical regions of the world. Climate change resulting from global warming is further expanding DENV–endemic areas, adversely affecting public life and health. Despite this, no specific drug against DENV has been developed so far. Vaccines and neutralizing antibodies are the chief preventive and therapeutic tools for managing pathogenic infections. The present study describes the development of a novel fluorescence reduction neutralization test (FRNT) for evaluating the neutralizing activity of antibodies against DENV. This FRNT allows rapid antibody screening. In addition, we calculated the FRNT<sub>50</sub> to indicate the neutralizing ability of the antibodies. In contrast to the conventional plaque reduction neutralization assay, the FRNT has a shorter experimental cycle, a simpler operation, and greater objectivity, which can greatly accelerate the research and development process of vaccines and antibodies against DENV.https://www.mdpi.com/1467-3045/47/3/140DENVantibodyrapid screening platformneutralization activity assayFRNT<sub>50</sub>
spellingShingle Jiazheng Guo
Jiansheng Lu
Peng Du
Kexuan Cheng
Chao Lei
Yujia Jiang
Meiling Peng
Yating Li
Kaiyue Sun
Changyan Xu
Yunzhou Yu
Chen Gao
Qinglin Kang
Yixiao Zhang
Rong Wang
Zhixin Yang
Fluorescence Reduction Neutralization Test: A Novel, Rapid, and Efficient Method for Characterizing the Neutralizing Activity of Antibodies Against Dengue Virus
Current Issues in Molecular Biology
DENV
antibody
rapid screening platform
neutralization activity assay
FRNT<sub>50</sub>
title Fluorescence Reduction Neutralization Test: A Novel, Rapid, and Efficient Method for Characterizing the Neutralizing Activity of Antibodies Against Dengue Virus
title_full Fluorescence Reduction Neutralization Test: A Novel, Rapid, and Efficient Method for Characterizing the Neutralizing Activity of Antibodies Against Dengue Virus
title_fullStr Fluorescence Reduction Neutralization Test: A Novel, Rapid, and Efficient Method for Characterizing the Neutralizing Activity of Antibodies Against Dengue Virus
title_full_unstemmed Fluorescence Reduction Neutralization Test: A Novel, Rapid, and Efficient Method for Characterizing the Neutralizing Activity of Antibodies Against Dengue Virus
title_short Fluorescence Reduction Neutralization Test: A Novel, Rapid, and Efficient Method for Characterizing the Neutralizing Activity of Antibodies Against Dengue Virus
title_sort fluorescence reduction neutralization test a novel rapid and efficient method for characterizing the neutralizing activity of antibodies against dengue virus
topic DENV
antibody
rapid screening platform
neutralization activity assay
FRNT<sub>50</sub>
url https://www.mdpi.com/1467-3045/47/3/140
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