期刊
EUROPEAN CYTOKINE NETWORK
卷 33, 期 2, 页码 1-12出版社
JOHN LIBBEY EUROTEXT LTD
DOI: 10.1684/ecn.2022.0477
关键词
COVID-19; Th1 inflammation; T cell exhaustion
资金
- AMED [JP20fk0108472]
- Sysmex Corporation
This study investigated the association between cytokine endotypes and cell-mediated immunity in severe cases of COVID-19. The study identified four clusters of COVID-19 cases based on severity, with two clusters showing potential as prognostic references for targeted treatment. The study also observed signs of T cell exhaustion in a certain cluster.
Treatment of severe and critical cases of coronavirus disease 2019 (COVID-19) is still a top priority in public health. Previously, we reported distinct Th1 cytokines related to the pathophysiology of severe COVID-19 condition. In the present study, we investigated the association of Th1 and Th2 cytokine/chemokine endotypes with cell-mediated immunity via multiplex immunophenotyping, single-cell RNA-Seq analysis of peripheral blood mononuclear cells, and analysis of the clinical features of COVID-19 patients. Based on serum cytokine and systemic inflammatory markers, COVID-19 cases were classified into four clusters of increasing (I-IV) severity. Two prominent clusters were of interest and could be used as prognostic reference for a targeted treatment of severe COVID-19 cases. Cluster III reflected severe/critical pathology and was characterized by decreased in CCL17 levels and increase in IL-6, C-reactive protein CXCL9, IL-18, and IL-10 levels. The second cluster (Cluster II) showed mild to moderate pathology and was characterized by predominated CXCL9 and IL-18 levels, levels of IL-6 and CRP were relatively low. Cluster II patients received anti-inflammatory treatment in early-stage, which may have led prevent disease prognosis which is accompanied to IL-6 and CRP induction. In Cluster III, a decrease in the proportion of effector T cells with signs of T cell exhaustion was observed. This study highlights the mechanisms of endotype clustering based on specific inflammatory markers in related the clinical outcome of COVID-19.
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