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A Peptide-Based Magnetic Chemiluminescence Enzyme Immunoassay for Serological Diagnosis of Coronavirus Disease 2019

Open access
Cai, Xue-fei, Chen, Juan, li Hu, Jie-, Long, Quan-xin, Deng, Hai-jun, Liu, Ping, Fan, Kai, Liao, Pu, Liu, Bei-zhong, Wu, Gui-cheng, Chen, Yao-kai, Li, Zhi-jie, Wang, Kun, Zhang, Xiao-li, Tian, Wen-guang, Xiang, Jiang-lin, Du, Hong-xin, Wang, Jing, Hu, Yuan, Tang, Ni, Lin, Yong, Ren, Ji-hua, Huang, Lu-yi, Wei, Jie, Gan, Chun-yang, Chen, Yan-meng, Gao, Qing-zhu, Chen, A-mei, He, Chang-long, Wang, Dao-Xin, Hu, Peng, Zhou, Fa-Chun, Huang, Ai-long, Wang, De-qiang·2020·The Journal of Infectious Diseases

Abstract

Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a novel β-coronavirus, causes severe pneumonia and has spread throughout the globe rapidly. The disease associated with SARS-CoV-2 infection is named coronavirus disease 2019 (COVID-19). To date, real-time reverse-transcription polymerase chain reaction (RT-PCR) is the only test able to confirm this infection. However, the accuracy of RT-PCR depends on several factors; variations in these factors might significantly lower the sensitivity of detection. Methods: In this study, we developed a peptide-based luminescent immunoassay that detected immunoglobulin (Ig)G and IgM. The assay cutoff value was determined by evaluating the sera from healthy and infected patients for pathogens other than SARS-CoV-2. Results: To evaluate assay performance, we detected IgG and IgM in the sera from confirmed patients. The positive rate of IgG and IgM was 71.4% and 57.2%, respectively. Conclusions: Therefore, combining our immunoassay with real-time RT-PCR might enhance the diagnostic accuracy of COVID-19.

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Metadata

Authors
Cai, X.-F., Chen, J., li Hu, J., Long, Q.-X., Deng, H.-J., Liu, P., Fan, K., Liao, P., Liu, B.-Z., Wu, G.-C., Chen, Y.-K., Li, Z.-J., Wang, K., Zhang, X.-L., Tian, W.-G., Xiang, J.-L., Du, H.-X., Wang, J., Hu, Y., Tang, N., Lin, Y., Ren, J.-H., Huang, L.-Y., Wei, J., Gan, C.-Y., Chen, Y.-M., Gao, Q.-Z., Chen, A.-M., He, C.-L., Wang, D.-X., Hu, P., Zhou, F.-C., Huang, A.-L., & Wang, D.-Q.
Venue
The Journal of Infectious Diseases
Published
2020-05-08
Volume
222
Issue
2
Pages
189-193
ISSN
  • 0022-1899 (ISSN-L)
  • 1537-6613
OpenAlex
W3021186559
Cited by
186
References
2
FWCI
4.98
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: A Peptide-Based Magnetic Chemiluminescence Enzyme Immunoassay for Serological Diagnosis of Coronavirus Disease 2019. https://app.cochat.ai/papers/10.1093/infdis/jiaa243
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Cai, X.-F., Chen, J., li Hu, J., Long, Q.-X., Deng, H.-J., Liu, P., Fan, K., Liao, P., Liu, B.-Z., Wu, G.-C., Chen, Y.-K., Li, Z.-J., Wang, K., Zhang, X.-L., Tian, W.-G., Xiang, J.-L., Du, H.-X., Wang, J., Hu, Y., . . . Wang, D.-Q. (2020). A Peptide-Based Magnetic Chemiluminescence Enzyme Immunoassay for Serological Diagnosis of Coronavirus Disease 2019. The Journal of Infectious Diseases. https://doi.org/10.1093/infdis/jiaa243

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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