Abstract
Differential host responses in coronavirus disease 2019 (COVID-19) and multisystem inflammatory syndrome in children (MIS-C) remain poorly characterized. Here, we use next-generation sequencing to longitudinally analyze blood samples from pediatric patients with COVID-19 or MIS-C across three hospitals. Profiling of plasma cell-free nucleic acids uncovers distinct signatures of cell injury and death between COVID-19 and MIS-C, with increased multiorgan involvement in MIS-C encompassing diverse cell types, including endothelial and neuronal cells, and an enrichment of pyroptosis-related genes. Whole-blood RNA profiling reveals upregulation of similar pro-inflammatory pathways in COVID-19 and MIS-C but also MIS-C-specific downregulation of T cell-associated pathways. Profiling of plasma cell-free RNA and whole-blood RNA in paired samples yields different but complementary signatures for each disease state. Our work provides a systems-level view of immune responses and tissue damage in COVID-19 and MIS-C and informs future development of new disease biomarkers.
| Original language | English |
|---|---|
| Article number | 101034 |
| Journal | Cell Reports Medicine |
| Volume | 4 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 20 Jun 2023 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
!!!Keywords
- DNA damage
- RNA sequencing
- RNA-seq
- SARS-CoV-2
- bisulfite sequencing
- cell damage
- cell-free DNA
- cell-free RNA
- clinical severity
- coronavirus disease 2019
- disease biomarkers
- host response
- immune response
- multisystem inflammatory syndrome in children
- nucleic acid sequencing
- pediatric
- signaling pathways
- systems biology
- tissue damage
- whole-blood RNA
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