Immuno-Colorimetric Neutralization Test: A Surrogate for Widely Used Plaque Reduction Neutralization Tests in Public Health Virology

Since their first documentation in 1952, plaque reduction neutralization tests (PRNTs) have become the choice of test for the measurement of neutralizing antibodies against a particular virus. However, PRNTs can be performed only against viruses that cause cytopathic effects (CPE). PRNTs also requir...

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Bibliographic Details
Published in:Viruses 2023-04, Vol.15 (4), p.939
Main Author: Vaidya, Sunil R
Format: Article
Language:English
Subjects:
Animals
Antibodies
Antibodies, Neutralizing
Antibodies, Viral
Automation
Chlorocebus aethiops
Colorimetry
emerging and reemerging viruses
Epidemiology
Identification and classification
Laboratories
Methods
Mumps
Neutralization Tests
neutralizing antibody
plaque reduction neutralization test
Public Health
Review
vaccine-preventable viral diseases
Vero Cells
Virology
Viruses
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Description
Summary:Since their first documentation in 1952, plaque reduction neutralization tests (PRNTs) have become the choice of test for the measurement of neutralizing antibodies against a particular virus. However, PRNTs can be performed only against viruses that cause cytopathic effects (CPE). PRNTs also require skilled personnel and can be time-consuming depending on the time required for the virus to cause CPE. Hence, their application limits large-scale studies or epidemiological and laboratory investigations. Since 1978, many surrogate PRNTs or immunocolorimetric assay (ICA)-based focus reduction neutralization tests (FRNT) have been developed. In this article, ICAs and their utility in FRNTs for the characterization of neutralizing antibodies, homologous or heterologous cross-neutralization, and laboratory diagnosis of viruses of public health importance have been discussed. Additionally, possible advancements and automations have been described that may help in the development and validation of novel surrogate tests for emerging viruses.
ISSN:1999-4915
1999-4915
DOI:10.3390/v15040939