ArticleHuman vaccines & immunotherapeutics2021
A uniform quantitative enzyme-linked immunosorbent assay for Coxsackievirus A16 antigen in vaccine.
Article in Human vaccines & immunotherapeutics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 2 citations in OpenAlex.
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Authors and funding
17 authors at 6 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Coxsackievirus A16 (CV-A16), one of major etiological agents of hand, foot and mouth disease (HFMD), causes outbreaks of the disease in young children all over the world. In order to promote the prevention and control of HFMD, the research and development of CV-A16 vaccine have been carried out in China. However, due to lacking of a recognized CV-A16 antigen detection method, the evaluation and quality control (QC) of vaccine effectiveness are greatly limited. In this study, we established a quantitative enzyme-linked immunosorbent assay (Q-ELISA) to determine the antigen concentration in CV-A16 vaccines that can be applied in manufacturing in China. A neutralizing antibody 16E1 was used as a capture antibody that can bind to various CV-A16 antigens of different subgenotypes, and an antiserum from CV-A16-immunized rabbit conjugated by HRP was suitable for detecting and quantifying CV-A16 antigens. The Q-ELISA was validated for specificity, linearity, accuracy, precision and robustness by using the CV-A16 antigen national standard (NS). Furthermore, we utilized the Q-ELISA to quantify antigen contents of vaccine bulks from six manufacturers and other intermediate products from one manufacturer. The results indicated that the Q-ELISA can satisfy the requirements of QC for all manufacturers involved.
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