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Soluble cell adhesion molecules and von Willebrand factor in children with Kawasaki disease
1Medical Unit, Institute of Child Health, London, UK.
Insights
Children with Kawasaki disease (KD) show elevated levels of soluble cell adhesion molecules (sE-selectin, sICAM-1, sVCAM-1) and von Willebrand factor (vWF). These markers, particularly sE-selectin and sICAM-1, distinguish KD from other fevers, aiding in understanding pediatric vasculitis.
Area of Science:
- Pediatric Rheumatology
- Immunology
- Vascular Biology
Background:
- Kawasaki disease (KD) is a critical childhood vasculitis impacting coronary arteries.
- Pediatric inflammatory markers, including soluble cell adhesion molecules (sCAMs), are not fully characterized in KD.
- Understanding endothelial activation in KD is crucial for developing targeted therapies.
Purpose of the Study:
- To compare levels of sE-selectin, sICAM-1, and sVCAM-1 in children with KD versus febrile controls and healthy children.
- To investigate the role of these sCAMs and von Willebrand factor (vWF) in the pathophysiology of KD.
- To explore potential diagnostic and therapeutic implications of these biomarkers.
Main Methods:
- Cross-sectional study comparing 59 children with acute KD, 35 with fever from infection, and 48 healthy children.
- Measurement of serum levels of soluble E-selectin (sE-selectin), soluble intercellular adhesion molecule-1 (sICAM-1), and soluble vascular cell adhesion molecule-1 (sVCAM-1).
- Quantification of von Willebrand factor (vWF) as an indicator of endothelial activation and acute-phase response.
Main Results:
- Healthy children exhibited higher sCAM levels than adults.
- Children with KD showed significantly elevated levels of sE-selectin, sICAM-1, sVCAM-1, and vWF compared to healthy children.
- sE-selectin and sICAM-1 were significantly higher in KD patients than in children with fever due to infection.
- Elevated vWF in KD suggests a pronounced acute-phase reaction.
Conclusions:
- sE-selectin and sICAM-1 serve as valuable indicators of endothelial activation in Kawasaki disease.
- These biomarkers may help differentiate KD from other febrile illnesses in children.
- Further research into cytokine-endothelial interactions in KD could reveal novel therapeutic targets for vasculitis.
Abstract:
Fifty-nine children with acute Kawasaki disease (KD), a childhood vasculitis, were compared with 35 children with fever due to infection and 48 healthy children. Levels of soluble E-selectin (sE-selectin), soluble intercellular adhesion molecule-1 (sICAM-1), and soluble vascular cell adhesion molecule-1 (sVCAM-1) in the healthy children were double those found in adults. All three soluble cell adhesion molecules and von Willebrand factor (vWF) were higher in the children with KD than in the healthy children, but only sE-selectin, a marker for activated endothelial cells, and sICAM-1 were higher than in the febrile children. The high levels of vWF in KD appear to reflect the prominent acute-phase reaction. This information can help us to understand further the complex interactions between cytokines, circulating inflammatory cells and the vascular endothelium, and may lead to new therapeutic avenues in KD and other inflammatory diseases and vasculitides.