Multiplatform analyses reveal distinct drivers of systemic pathogenesis in adult versus pediatric severe acute COVID-19
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Published:2023-04-04
Issue:1
Volume:14
Page:
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ISSN:2041-1723
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Container-title:Nature Communications
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language:en
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Short-container-title:Nat Commun
Author:
Druzak Samuel, Iffrig Elizabeth, Roberts Blaine R.ORCID, Zhang Tiantian, Fibben Kirby S., Sakurai Yumiko, Verkerke Hans P., Rostad Christina A., Chahroudi AnnORCID, Schneider Frank, Wong Andrew Kam Ho, Roberts Anne M., Chandler Joshua D.ORCID, Kim Susan O., Mosunjac Mario, Mosunjac Marina, Geller Rachel, Albizua Igor, Stowell Sean R., Arthur Connie M., Anderson Evan J.ORCID, Ivanova Anna A.ORCID, Ahn Jun, Liu Xueyun, Maner-Smith Kristal, Bowen Thomas, Paiardini MirkoORCID, Bosinger Steve E.ORCID, Roback John D.ORCID, Kulpa Deanna A.ORCID, Silvestri GuidoORCID, Lam Wilbur A.ORCID, Ortlund Eric A.ORCID, Maier Cheryl L.ORCID
Abstract
AbstractThe pathogenesis of multi-organ dysfunction associated with severe acute SARS-CoV-2 infection remains poorly understood. Endothelial damage and microvascular thrombosis have been identified as drivers of COVID-19 severity, yet the mechanisms underlying these processes remain elusive. Here we show alterations in fluid shear stress-responsive pathways in critically ill COVID-19 adults as compared to non-COVID critically ill adults using a multiomics approach. Mechanistic in-vitro studies, using microvasculature-on-chip devices, reveal that plasma from critically ill COVID-19 adults induces fibrinogen-dependent red blood cell aggregation that mechanically damages the microvascular glycocalyx. This mechanism appears unique to COVID-19, as plasma from non-COVID sepsis patients demonstrates greater red blood cell membrane stiffness but induces less significant alterations in overall blood rheology. Multiomics analyses in pediatric patients with acute COVID-19 or the post-infectious multi-inflammatory syndrome in children (MIS-C) demonstrate little overlap in plasma cytokine and metabolite changes compared to adult COVID-19 patients. Instead, pediatric acute COVID-19 and MIS-C patients show alterations strongly associated with cytokine upregulation. These findings link high fibrinogen and red blood cell aggregation with endotheliopathy in adult COVID-19 patients and highlight differences in the key mediators of pathogenesis between adult and pediatric populations.
Publisher
Springer Science and Business Media LLC
Subject
General Physics and Astronomy,General Biochemistry, Genetics and Molecular Biology,General Chemistry,Multidisciplinary
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