期刊
OPEN FORUM INFECTIOUS DISEASES
卷 8, 期 7, 页码 -出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/ofid/ofab279
关键词
acute phase proteins; biomarkers; COVID-19; microbial translocation; MIS-C; seropositive
资金
- Division of Intramural Research, National Institute of Allergy and Infectious Diseases (NIAID)
MIS-C children showed significantly higher levels of acute phase proteins and microbial translocation markers, indicating a role of systemic inflammation in the pathogenesis of SARS-CoV-2 infection in children. Principal component analysis using these markers could differentiate MIS-C and COVID-19 from other children, providing insights into different presentations of the disease.
Background. Multisystem inflammatory syndrome in children (MIS-C) is a rare manifestation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in children that can result in increased morbidity and mortality. The inflammatory underpinnings of MIS-C have not been examined in detail. Methods. We examined the plasma levels of acute phase proteins and microbial translocation markers in children with MIS-C, children with acute coronavirus disease 2019 (COVID-19) infection, SARS-CoV-2-seropositive children, and controls. Results. MIS-C children exhibited significantly higher levels of C-reactive protein (CRP), alpha2 macroglobulin (alpha 2M), serum amyloid P (SAP), lipopolysaccharide (LPS), sCD14, and LPS binding protein (LBP) and significantly lower levels of haptoglobin (Hp) in comparison with seropositive, control, and/or COVID-19 children. In addition, COVID-19 children exhibited significantly higher levels of most of the above markers in comparison with seropositive and control children. Principal component analysis using a set of these markers could clearly discriminate MIS-C and COVID-19 from seropositive and control children. MIS-C children requiring pediatric intensive care unit admission and COVID-19 children with severe disease had higher levels of CRP, SAP, and/or sCD14 at admission. Conclusions. Our study describes the role of systemic inflammation and microbial translocation markers in children with MIS-C and COVID-19 and therefore helps in advancing our understanding of the pathogenesis of different presentations of SARS-CoV-2 infection in children.
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