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SARS-CoV-2 proteome microarray for global profiling of COVID-19 specific IgG and IgM responses
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SARS-CoV-2 proteome microarray for global profiling of COVID-19 specific IgG and IgM responses
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Journal Article
SARS-CoV-2 proteome microarray for global profiling of COVID-19 specific IgG and IgM responses
2020
Overview
We still know very little about how the human immune system responds to SARS-CoV-2. Here we construct a SARS-CoV-2 proteome microarray containing 18 out of the 28 predicted proteins and apply it to the characterization of the IgG and IgM antibodies responses in the sera from 29 convalescent patients. We find that all these patients had IgG and IgM antibodies that specifically bind SARS-CoV-2 proteins, particularly the N protein and S1 protein. Besides these proteins, significant antibody responses to ORF9b and NSP5 are also identified. We show that the S1 specific IgG signal positively correlates with age and the level of lactate dehydrogenase (LDH) and negatively correlates with lymphocyte percentage. Overall, this study presents a systemic view of the SARS-CoV-2 specific IgG and IgM responses and provides insights to aid the development of effective diagnostic, therapeutic and vaccination strategies.
Currently very little is known about how our immune system responds to SARS-CoV-2 infection. Here the authors generate a SARS-CoV-2 proteome microarray for profiling of IgG and IgM responses to COVID-19 in patients and find significant responses to ORF9b and NSP5, as well as the S1 and N proteins.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ Adult
/ Antibodies, Viral - immunology
/ Betacoronavirus - immunology
/ Coronavirus Infections - immunology
/ Coronavirus Nucleocapsid Proteins
/ COVID-19
/ Enzyme-Linked Immunosorbent Assay
/ Female
/ Humanities and Social Sciences
/ Humans
/ Immunoglobulin G - immunology
/ Immunoglobulin M - immunology
/ L-Lactate Dehydrogenase - blood
/ Male
/ Nucleocapsid Proteins - immunology
/ Pneumonia, Viral - immunology
/ Protein Array Analysis - methods
/ Proteins
/ Science
/ Severe acute respiratory syndrome coronavirus 2
