期刊
MICROBES AND INFECTION
卷 23, 期 4-5, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.micinf.2021.104808
关键词
Sars-CoV-2; Covid-19; Cytokine storm; IL-6; Immunoglobulins; Plasma cell dyscrasia
The study revealed that elevated levels of IL-6 in severe COVID-19 patients may trigger immune response, leading to clonal gammopathy. This anomaly may be related to the progression and severity of the viral infection.
An unusual clonal gammopathy was reported in COVID-19 patient but whether this anomaly is related or not to the disease has not yet been clarified. To this aim, we selected a cohort of 35 COVID-19 patients swab positive and investigated serological levels of IL-6, immune response to major viral antigens and electrophoretic profile. Elevated levels of IL-6 were accompanied by a significative humoral response to viral Spike protein, revealing an altered electrophoretic profile in the gamma region. We can conclude that elevated levels of IL-6 triggers humoral response inducing a transient plasma cell dyscrasia in severe COVID-19 patients. (c) 2021 Institut Pasteur. Published by Elsevier Masson SAS. All rights reserved.
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