Title |
Differential abundance of IgG antibodies against the spike protein of SARS-CoV-2 and seasonal coronaviruses in patients with fatal COVID-19
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Published in |
Virology Journal, May 2023
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DOI | 10.1186/s12985-023-02050-x |
Pubmed ID | |
Authors |
Wouter L. Smit, Sophie van Tol, Lenneke E. M. Haas, Gijs J. M. Limonard, Ailko Bossink, Chantal Reusken, Michiel Heron, Steven F. T. Thijsen |
Abstract |
Infection with the novel pandemic SARS-CoV-2 virus has been shown to elicit a cross-reactive immune response that could lead to a back-boost of memory recall to previously encountered seasonal (endemic) coronaviruses (eCoVs). Whether this response is associated with a fatal clinical outcome in patients with severe COVID-19 remains unclear. In a cohort of hospitalized patients, we have previously shown that heterologous immune responses to eCoVs can be detected in severe COVID-19. Here, we report that COVID-19 patients with fatal disease have decreased SARS-CoV-2 neutralizing antibody titers at hospital admission, which correlated with lower SARS-CoV-2 spike-specific IgG and was paralleled by a relative abundance of IgG against spike protein of eCoVs of the genus Betacoronavirus. Additional research is needed to assess if eCoV-specific back-boosted IgG is a bystander phenomenon in severe COVID-19, or a factor that influences the development of an efficient anti-viral immune response. |
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Portugal | 1 | 8% |
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Members of the public | 11 | 92% |
Science communicators (journalists, bloggers, editors) | 1 | 8% |
Mendeley readers
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Unknown | 3 | 100% |
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Student > Ph. D. Student | 1 | 33% |
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