Zonulin as a biomarker and potential therapeutic target in multisystem inflammatory syndrome in children

Tiffany Hensley-McBain1, Jennifer A Manuzak2

  • 1Clinical Care Options, Reston, Virginia, USA.

Insights

Multisystem inflammatory syndrome in children (MIS-C) involves gut permeability, with zonulin identified as a key biomarker. This suggests zonulin could be a therapeutic target for preventing and treating MIS-C in children post-SARS-CoV-2 infection.

Area of Science:

  • Pediatric Gastroenterology
  • Infectious Diseases
  • Immunology

Background:

  • Multisystem inflammatory syndrome in children (MIS-C) is a severe condition following SARS-CoV-2 infection, often presenting with gastrointestinal symptoms.
  • Gastrointestinal dysfunction and epithelial barrier breakdown are implicated in MIS-C pathogenesis.

Purpose of the Study:

  • To identify biomarkers of gastrointestinal (GI) permeability in children with MIS-C.
  • To explore zonulin as a potential therapeutic target for MIS-C.

Main Methods:

  • The study identified zonulin as a biomarker for GI permeability in pediatric MIS-C patients.
  • A proof-of-concept investigation into zonulin's therapeutic potential was conducted.

Main Results:

  • Zonulin was identified as a biomarker indicating increased GI permeability in children with MIS-C.
  • Findings suggest zonulin may be a viable target for MIS-C treatment and prevention strategies.

Conclusions:

  • Intestinal mucosal dysfunction and epithelial barrier disruption are likely mechanisms in MIS-C development.
  • Targeting zonulin presents a potential therapeutic avenue for MIS-C in SARS-CoV-2-infected children.