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Development of a pseudovirus-based assay for measuring neutralizing antibodies against Coxsackievirus A10. | LitMetric

AI Article Synopsis

  • * Developing a vaccine for CV-A10 is seen as the most cost-effective prevention strategy, and a robust test to measure neutralizing antibody levels from vaccination is essential to advance this effort.
  • * The study introduces a faster and less labor-intensive high-throughput neutralization antibody assay using CV-A10 pseudoviruses, which shows a strong correlation with traditional methods, allowing for quicker assessment of antibody responses.

Article Abstract

Coxsackievirus A10 (CV-A10) has recently emerged as a major pathogen of hand, foot, and mouth disease in children worldwide. Currently no effective treatments are available; development of anti-CV-A10 vaccine is a most cost-effective way for CV-A10 prevention. Robust assay to measure neutralizing antibody (NtAb) titres elicited by vaccination would greatly prompt anti-CV-A10 vaccine development. Compare to the traditional neutralization assay based on inhibition of cytopathic effects (herein after referred to as cNT) which is time-consuming and labor-intensive, in this study we developed an efficient high-throughput neutralization antibody assay based on CV-A10 pseudoviruses (herein after referred to as pNT). In the pNT, anti-CV-A10 NtAb titre was negatively corresponded with the relative luminescent unit (RLU) produced by luciferase reporter gene incorporated in pseudovirus genome. As described in this study, the NtAb against CV-A10 could be detected within 10-16 h, anti- CV-A10 NtAb in 67 human serum samples were measured in parallel with pNT and cNT assays, a good correlation (r = 0.83, < .0001) and good agreement(97%) were shown between cNT and pNT, indicating that the pNT provides a rapid and convenient procedure for measuring NtAb production against anti-CV-A10 NtAb measurement.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7482785PMC
http://dx.doi.org/10.1080/21645515.2019.1691404DOI Listing

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