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An Improved and High Throughput Respiratory Syncytial Virus RSV Micro-neutralization Assay
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An Improved and High Throughput Respiratory Syncytial Virus RSV Micro-neutralization Assay

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An optimized high-throughput fluorescence plate reader-based RSV neutralization assay.

Yong-Peng Sun1, Wei Zhang2, Qin-Jian Zhao1

  • 1State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University, Xiamen, Fujian 361002, PR China.

Journal of Virological Methods
|July 14, 2018
PubMed
Summary
This summary is machine-generated.

Developing a respiratory syncytial virus (RSV) vaccine requires a reliable neutralizing assay. This study optimized a high-throughput assay using a fluorescence plate reader, improving stability and reproducibility for vaccine development.

Keywords:
Flow cytometryFluorescence plate readerNeutralization assayRSV

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Area of Science:

  • Virology
  • Immunology
  • Vaccinology

Background:

  • A licensed vaccine for respiratory syncytial virus (RSV) is still unavailable.
  • Development of effective RSV vaccines is hindered by the lack of reliable and repeatable neutralizing assays.

Purpose of the Study:

  • To optimize a high-throughput RSV neutralization assay for vaccine development.
  • To evaluate the assay's performance using a fluorescence plate reader as an alternative to flow cytometry.
  • To identify critical factors for assay stability and reproducibility.

Main Methods:

  • An optimized high-throughput RSV neutralization assay was developed.
  • Fluorescence signals from RSV-A2 mKate-infected cells were detected using a fluorescence plate reader.
  • The influence of virus input and infectivity on assay performance was investigated.

Main Results:

  • The fluorescence plate reader effectively replaced flow cytometry for detecting RSV neutralization.
  • Critical factors influencing assay stability and data reproducibility were identified.
  • A suggested protocol for obtaining stable data was provided.

Conclusions:

  • The optimized high-throughput assay offers a reliable and repeatable method for RSV neutralization testing.
  • This assay facilitates progress in the development of much-needed RSV vaccines.
  • The findings provide a valuable resource for researchers in the field of RSV vaccine development.