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Endothelin-1 Serum Concentration in Pediatric Chronic Idiopathic Uveitis

Katarzyna Powierza1, Jolanta Sawicka-Powierza2, Beata Urban3

  • 1University Clinical Hospital in Bialystok, Medical University of Bialystok, Bialystok 15-276, Poland.

Clinical Ophthalmology (Auckland, N.Z.)
|January 20, 2021
PubMed

Insights

Endothelin-1 (ET-1) levels are altered in pediatric chronic idiopathic uveitis, suggesting a role in vascular dysfunction and potential vision loss. This finding is consistent across different inflammation sites and severity.

Area of Science:

  • Ophthalmology
  • Pediatrics
  • Immunology

Background:

  • Chronic idiopathic uveitis in children and adolescents poses a risk for permanent visual impairment.
  • Endothelin-1 (ET-1) is a potent vasoconstrictor implicated in vascular tone regulation.

Purpose of the Study:

  • To investigate endothelin-1 (ET-1) concentration in pediatric chronic idiopathic uveitis.
  • To determine if ET-1 levels vary based on anatomical location or inflammation grade.

Main Methods:

  • A cross-sectional study involving 17 pediatric patients with chronic idiopathic uveitis and 22 healthy controls.
  • Serum ET-1 levels were measured using ELISA.
  • Serum C-reactive protein (CRP) was quantified to assess inflammation.

Main Results:

  • Significantly lower ET-1 concentrations were observed in patients with chronic idiopathic uveitis compared to controls (p = 0.008).
  • No correlation was found between ET-1 levels and patient age.
  • ET-1 concentrations did not differ significantly based on the anatomical location (anterior, posterior, panuveitis) or grade of inflammation.

Conclusions:

  • Endothelin-1 (ET-1) expression is disturbed in pediatric chronic idiopathic uveitis, independent of disease localization or severity.
  • Altered ET-1 expression may contribute to impaired vascular tone control, potentially leading to vision impairment in non-infectious uveitis.
Abstract

Keywords:
adolescentschildrenchronic idiopathic uveitisendothelin-1

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