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Endothelial glycocalyx degradation in multisystem inflammatory syndrome in children related to COVID-19.
Veraldi, Noemi; Vivès, Romain R; Blanchard-Rohner, Géraldine; L'Huillier, Arnaud G; Wagner, Noemie; Rohr, Marie; Beghetti, Maurice; De Agostini, Ariane; Grazioli, Serge.
  • Veraldi N; Department of Diagnostics, Division of Clinical Pathology, Geneva University Hospitals, Geneva, Switzerland.
  • Vivès RR; University Grenoble Alpes, CNRS, CEA, IBS, Grenoble, France.
  • Blanchard-Rohner G; Pediatric Immunology and Vaccinology Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland.
  • L'Huillier AG; Center of Vaccinology, Geneva University Hospitals, Geneva, Switzerland.
  • Wagner N; Laboratory of Virology, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland.
  • Rohr M; Pediatric Infectious Diseases Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland.
  • Beghetti M; Pediatric Infectious Diseases Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland.
  • De Agostini A; Pediatric Infectious Diseases Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland.
  • Grazioli S; Pediatric Cardiology Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland.
J Mol Med (Berl) ; 100(5): 735-746, 2022 05.
Article in English | MEDLINE | ID: covidwho-1763332
ABSTRACT
Multisystem inflammatory syndrome in children (MIS-C) represents a rare but severe complication of severe acute respiratory syndrome coronavirus 2 infection affecting children that can lead to myocardial injury and shock. Vascular endothelial dysfunction has been suggested to be a common complicating factor in patients with coronavirus disease 2019 (COVID-19). This study aims to characterize endothelial glycocalyx degradation in children admitted with MIS-C. We collected blood and urine samples and measured proinflammatory cytokines, myocardial injury markers, and endothelial glycocalyx markers in 17 children admitted with MIS-C, ten of which presented with inflammatory shock requiring intensive care admission and hemodynamic support with vasopressors. All MIS-C patients presented signs of glycocalyx deterioration with elevated levels of syndecan-1 in blood and both heparan sulfate and chondroitin sulfate in the urine. The degree of glycocalyx shedding correlated with tumor necrosis factor-α concentration. Five healthy age-matched children served as controls. Patients with MIS-C presented severe alteration of the endothelial glycocalyx that was associated with disease severity. Future studies should clarify if glycocalyx biomarkers could effectively be predictive indicators for the development of complications in adult patients with severe COVID-19 and children with MIS-C. KEY MESSAGES Children admitted with MIS-C presented signs of endothelial glycocalyx injury with elevated syndecan-1 and heparan sulfate level. Syndecan-1 levels were associated with MIS-C severity and correlated TNF-α concentration. Syndecan-1 and heparan sulfate may represent potential biomarkers for patients with severe COVID-19 or MIS-C.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Glycocalyx / COVID-19 Type of study: Prognostic study Topics: Long Covid Limits: Adult / Child / Humans Language: English Journal: J Mol Med (Berl) Journal subject: Molecular Biology / Genetics, Medical Year: 2022 Document Type: Article Affiliation country: S00109-022-02190-7

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Glycocalyx / COVID-19 Type of study: Prognostic study Topics: Long Covid Limits: Adult / Child / Humans Language: English Journal: J Mol Med (Berl) Journal subject: Molecular Biology / Genetics, Medical Year: 2022 Document Type: Article Affiliation country: S00109-022-02190-7