Previous Humoral Immunity to the Endemic Seasonal Alphacoronaviruses NL63 and 229E Is Associated with Worse Clinical Outcome in COVID-19 and Suggests Original Antigenic Sin.

Previous Humoral Immunity to the Endemic Seasonal Alphacoronaviruses NL63 and 229E Is Associated with Worse Clinical Outcome in COVID-19 and Suggests Original Antigenic Sin.
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DOI:
10.3390/life11040298
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发表时间:
2021-04-01
期刊:
Life (Basel, Switzerland)
影响因子:
--
通讯作者:
Maggi F
Maggi F
中科院分区:
其他
文献类型:
--
作者:
Focosi D;Genoni A;Lucenteforte E;Tillati S;Tamborini A;Spezia PG;Azzi L;Baj A;Maggi F

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已经假设严重急性呼吸综合征冠状病毒-2 (SARS CoV-2) 感染存在抗体依赖性增强 (ADE)。然而,迄今为止,还没有体外或体内证据支持这一点。 SARS CoV-2 与其他冠状病毒科病毒之间存在细胞免疫和体液免疫交叉反应。我们在此表明​​,针对 α 冠状病毒 NL63 和 229E 核衣壳蛋白的 IgG 与世界卫生组织 (WHO) 的临床严重程度评分 ≥ 5 相关(发生率比分别为 1.87 和 1.80,组合的发生率为 1.94)。这些实验室研究结果表明,先前的 α 冠状病毒免疫可能对 SARS CoV-2 感染产生 ADE。
Antibody-dependent enhancement (ADE) of severe acute respiratory syndrome coronavirus-2 (SARS CoV-2) infection has been hypothesized. However, to date, there has been no in vitro or in vivo evidence supporting this. Cross-reactivity exists between SARS CoV-2 and other Coronaviridae for both cellular and humoral immunity. We show here that IgG against nucleocapsid protein of alphacoronavirus NL63 and 229E correlate with the World Health Organization’s (WHO) clinical severity score ≥ 5 (incidence rate ratios was 1.87 and 1.80, respectively, and 1.94 for the combination). These laboratory findings suggest possible ADE of SARS CoV-2 infection by previous alphacoronavirus immunity.
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发表时间: 2021-03-01
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
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