Nucleic acid biomarkers of immune response and cell and tissue damage in children with COVID-19 and MIS-C

  • Conor J. Loy
  • , Alicia Sotomayor-Gonzalez
  • , Venice Servellita
  • , Jenny Nguyen
  • , Joan Lenz
  • , Sanchita Bhattacharya
  • , Meagan E. Williams
  • , Alexandre P. Cheng
  • , Andrew Bliss
  • , Prachi Saldhi
  • , Noah Brazer
  • , Jessica Streithorst
  • , William Suslovic
  • , Charlotte J. Hsieh
  • , Burak Bahar
  • , Nathan Wood
  • , Abiodun Foresythe
  • , Amelia Gliwa
  • , Kushmita Bhakta
  • , Maria A. Perez
  • Laila Hussaini, Evan J. Anderson, Ann Chahroudi, Meghan Delaney, Atul J. Butte, Roberta L. DeBiasi, Christina A. Rostad, Iwijn De Vlaminck, Charles Y. Chiu

Résultats de recherche: Contribution à un journalArticle publié dans une revue, révisé par les pairsRevue par des pairs

17 Citations (Scopus)

Résumé

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.

langue originaleAnglais
Numéro d'article101034
journalCell Reports Medicine
Volume4
Numéro de publication6
Les DOIs
étatPublié - 20 juin 2023
Modification externeOui

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