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Published on: January 5, 2017

[Neutrophils and selected cytokines in ulcerative colitis pathomechanism]

Krystyna Grzybowska1, Anna Kisiel, Ewa Fornalczyk-Wachowska

  • 1Klinika Pediatrii i Immunologii Wieku Rozwojowego UM w Lodzi.

Polski Merkuriusz Lekarski : Organ Polskiego Towarzystwa Lekarskiego
|December 18, 2004
PubMed

Insights

Neutrophil markers CD11b and CD62L, along with inflammatory cytokines interleukin-1beta (IL-1beta), IL-6, and IL-8, are altered in children with ulcerative colitis (UC). These changes normalize during remission, indicating their role in disease activity.

Area of Science:

  • Pediatric Gastroenterology
  • Immunology
  • Hematology

Background:

  • Ulcerative colitis (UC) is a chronic inflammatory bowel disease affecting children.
  • Neutrophil activation and inflammatory cytokine profiles are implicated in UC pathogenesis.
  • Understanding these markers in pediatric UC is crucial for assessing disease activity.

Purpose of the Study:

  • To evaluate the expression of CD11b and CD62L on neutrophils.
  • To measure serum levels of IL-1beta, IL-6, and IL-8.
  • To correlate these markers with disease severity and remission in pediatric UC.

Main Methods:

  • Assessed CD11b and CD62L expression on neutrophils in 30 children with UC.
  • Measured serum levels of IL-1beta, IL-6, and IL-8.
  • Compared findings during acute phase and remission with a control group of 12 children.

Main Results:

  • Elevated IL-1beta, IL-6, IL-8 serum levels and increased CD11b expression were observed in moderate to severe UC.
  • CD62L expression was significantly lower in UC patients compared to controls.
  • These changes normalized during remission, with IL-1beta elevation only in severe cases.

Conclusions:

  • Neutrophil priming and elevated pro-inflammatory cytokines are characteristic of active pediatric UC, particularly in severe cases.
  • CD11b and CD62L expression patterns, along with cytokine levels, can serve as indicators of disease activity.
  • Monitoring these biomarkers may aid in managing pediatric ulcerative colitis.

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