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[Expression and clinical significance of runt-related transcription factor 3 in children with bronchiolitis]

Shuai Men1, Yan-Yan Yu, Yu-Hong Zhang

  • 1Department of Pediatric Asthma, Lianyungang Maternal and Child Health Care Hospital, Lianyungang, Jiangsu 222006, China. wangjunhuayyy@sina.com.

Zhongguo Dang Dai Er Ke Za Zhi = Chinese Journal of Contemporary Pediatrics
|October 24, 2019
PubMed

Insights

RUNX3 mRNA levels are lower in children with bronchiolitis, especially those with atopy. This finding may help identify children with bronchiolitis at high risk for asthma.

Area of Science:

  • Pediatric Respiratory Medicine
  • Immunology
  • Molecular Biology

Background:

  • Bronchiolitis is a common respiratory infection in infants.
  • Atopic constitution is a risk factor for developing asthma.
  • RUNX3 plays a role in immune regulation.

Purpose of the Study:

  • To investigate the mRNA levels of runt-related transcription factor 3 (RUNX3) in children with bronchiolitis.
  • To determine the clinical significance of RUNX3 in bronchiolitis, particularly in relation to atopy.
  • To explore the association between RUNX3 expression and key inflammatory markers.

Main Methods:

  • Quantitative real-time PCR was used to measure RUNX3 mRNA in peripheral blood mononuclear cells of 54 children with bronchiolitis and 48 healthy controls.
  • Serum levels of interleukin-4 (IL-4) and interferon gamma (IFN-γ) were measured using ELISA.
  • Participants were categorized based on atopic status.

Main Results:

  • Children with bronchiolitis exhibited significantly lower RUNX3 mRNA levels compared to healthy controls.
  • The atopic bronchiolitis group showed markedly reduced RUNX3 mRNA levels compared to non-atopic and healthy groups.
  • Lower RUNX3 mRNA levels correlated negatively with IL-4 and positively with IFN-γ.

Conclusions:

  • RUNX3 gene expression in peripheral blood mononuclear cells is a potential biomarker in bronchiolitis.
  • RUNX3 measurement may aid in identifying children with bronchiolitis who have an atopic constitution and are at high risk for asthma.
  • The findings suggest a role for RUNX3 in the immunopathogenesis of atopic bronchiolitis.
Abstract

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