Establishment of a sandwich light‐initiated chemiluminescence assay with double antigen for detecting human cytomegalovirus IgG antibody
- 26 February 2021
- journal article
- research article
- Published by Wiley in Journal of Medical Virology
- Vol. 93 (8), 5025-5032
- https://doi.org/10.1002/jmv.26905
Abstract
Determination of human cytomegalovirus IgG (HCMV IgG) level is of great importance in the diagnosis of HCMV infections. In this study, a novel, double antigen sandwich homogeneous immunoassay‐based light‐initiated chemiluminescent assay (LICA) for measuring HCMV IgG serum levels was developed. This sandwich LICA for HCMV IgG was performed by incubating serum samples with HCMV pp150 protein coated with chemibeads, streptavidin‐coated sensibeads and biotinylated HCMV pp150 protein. The working conditions of this assay were optimized and the correlation between the results of the LICA and ELISA was evaluated. As a homogeneous immunoassay, this sandwich LICA could accurately and rapidly determine the serum levels of HCMV IgG with a high‐throughput. Thus, this newly developed assay could be a useful analytical tool in the clinical diagnosis of HCMV infections.Funding Information
- National Natural Science Foundation of China (81772259)
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