Cargando…
Use of a Blockade-of-Binding ELISA and Microneutralization Assay to Evaluate Zika Virus Serostatus in Dengue-Endemic Areas
Zika virus (ZIKV) serological diagnostics are compromised in areas where dengue viruses (DENV) co-circulate because of their high levels of protein sequence homology. Here, we describe the characterization of a Zika blockade-of-binding ELISA (Zika BOB) and a Zika microneutralization assay (Zika MN)...
Autores principales: | , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The American Society of Tropical Medicine and Hygiene
2019
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6726926/ https://www.ncbi.nlm.nih.gov/pubmed/31392955 http://dx.doi.org/10.4269/ajtmh.19-0270 |
_version_ | 1783449177187942400 |
---|---|
author | Nascimento, Eduardo J. M. Bonaparte, Matthew I. Luo, Ping Vincent, Timothy S. Hu, Branda George, James K. Áñez, Germán Noriega, Fernando Zheng, Lingyi Huleatt, James W. |
author_facet | Nascimento, Eduardo J. M. Bonaparte, Matthew I. Luo, Ping Vincent, Timothy S. Hu, Branda George, James K. Áñez, Germán Noriega, Fernando Zheng, Lingyi Huleatt, James W. |
author_sort | Nascimento, Eduardo J. M. |
collection | PubMed |
description | Zika virus (ZIKV) serological diagnostics are compromised in areas where dengue viruses (DENV) co-circulate because of their high levels of protein sequence homology. Here, we describe the characterization of a Zika blockade-of-binding ELISA (Zika BOB) and a Zika microneutralization assay (Zika MN) for the detection of ZIKV nonstructural protein 1 (NS1)–specific antibodies and ZIKV neutralizing antibodies, respectively. Zika BOB and Zika MN cutoffs were established as 10 and 100 endpoint titers, respectively, using samples collected pre- and post-virologically confirmed ZIKV infection from subjects living in DENV-endemic areas. Specificity of the assays was equally high, whereas sensitivity of Zika BOB was lower than that of Zika MN, especially in samples collected > 6 months post-infection. Immunosurveillance analysis, using combined results from both Zika BOB and Zika MN, carried out also in DENV-endemic regions in Colombia, Honduras, Mexico, and Puerto Rico before (2013–2014) and after (2017–2018) ZIKV introduction in the Americas suggests unapparent ZIKV seroprevalence rates ranged from 25% to 80% over the specified period of time in the regions investigated. |
format | Online Article Text |
id | pubmed-6726926 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | The American Society of Tropical Medicine and Hygiene |
record_format | MEDLINE/PubMed |
spelling | pubmed-67269262019-09-08 Use of a Blockade-of-Binding ELISA and Microneutralization Assay to Evaluate Zika Virus Serostatus in Dengue-Endemic Areas Nascimento, Eduardo J. M. Bonaparte, Matthew I. Luo, Ping Vincent, Timothy S. Hu, Branda George, James K. Áñez, Germán Noriega, Fernando Zheng, Lingyi Huleatt, James W. Am J Trop Med Hyg Articles Zika virus (ZIKV) serological diagnostics are compromised in areas where dengue viruses (DENV) co-circulate because of their high levels of protein sequence homology. Here, we describe the characterization of a Zika blockade-of-binding ELISA (Zika BOB) and a Zika microneutralization assay (Zika MN) for the detection of ZIKV nonstructural protein 1 (NS1)–specific antibodies and ZIKV neutralizing antibodies, respectively. Zika BOB and Zika MN cutoffs were established as 10 and 100 endpoint titers, respectively, using samples collected pre- and post-virologically confirmed ZIKV infection from subjects living in DENV-endemic areas. Specificity of the assays was equally high, whereas sensitivity of Zika BOB was lower than that of Zika MN, especially in samples collected > 6 months post-infection. Immunosurveillance analysis, using combined results from both Zika BOB and Zika MN, carried out also in DENV-endemic regions in Colombia, Honduras, Mexico, and Puerto Rico before (2013–2014) and after (2017–2018) ZIKV introduction in the Americas suggests unapparent ZIKV seroprevalence rates ranged from 25% to 80% over the specified period of time in the regions investigated. The American Society of Tropical Medicine and Hygiene 2019-09 2019-08-06 /pmc/articles/PMC6726926/ /pubmed/31392955 http://dx.doi.org/10.4269/ajtmh.19-0270 Text en © The American Society of Tropical Medicine and Hygiene This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
spellingShingle | Articles Nascimento, Eduardo J. M. Bonaparte, Matthew I. Luo, Ping Vincent, Timothy S. Hu, Branda George, James K. Áñez, Germán Noriega, Fernando Zheng, Lingyi Huleatt, James W. Use of a Blockade-of-Binding ELISA and Microneutralization Assay to Evaluate Zika Virus Serostatus in Dengue-Endemic Areas |
title | Use of a Blockade-of-Binding ELISA and Microneutralization Assay to Evaluate Zika Virus Serostatus in Dengue-Endemic Areas |
title_full | Use of a Blockade-of-Binding ELISA and Microneutralization Assay to Evaluate Zika Virus Serostatus in Dengue-Endemic Areas |
title_fullStr | Use of a Blockade-of-Binding ELISA and Microneutralization Assay to Evaluate Zika Virus Serostatus in Dengue-Endemic Areas |
title_full_unstemmed | Use of a Blockade-of-Binding ELISA and Microneutralization Assay to Evaluate Zika Virus Serostatus in Dengue-Endemic Areas |
title_short | Use of a Blockade-of-Binding ELISA and Microneutralization Assay to Evaluate Zika Virus Serostatus in Dengue-Endemic Areas |
title_sort | use of a blockade-of-binding elisa and microneutralization assay to evaluate zika virus serostatus in dengue-endemic areas |
topic | Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6726926/ https://www.ncbi.nlm.nih.gov/pubmed/31392955 http://dx.doi.org/10.4269/ajtmh.19-0270 |
work_keys_str_mv | AT nascimentoeduardojm useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas AT bonapartematthewi useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas AT luoping useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas AT vincenttimothys useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas AT hubranda useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas AT georgejamesk useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas AT anezgerman useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas AT noriegafernando useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas AT zhenglingyi useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas AT huleattjamesw useofablockadeofbindingelisaandmicroneutralizationassaytoevaluatezikavirusserostatusindengueendemicareas |