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SERUM YKL-40 IN CHILDREN WITH ASTHMA
S Leonardi1, M Filippelli1, A Lanzafame1
1Department of Clinical and Experimental Medicine, Unit of Pediatric Pneumoallergology and Cystic Fibrosis, University of Catania, Catania, Italy.
Journal of Biological Regulators and Homeostatic Agents
|December 5, 2015
Summary
Elevated serum YKL-40 levels indicate asthma in children. This chitinase-like protein shows promise as a biomarker for childhood asthma, aiding in diagnosis beyond clinical assessments.
Area of Science:
- Pediatric Pulmonology
- Biomarker Discovery
- Clinical Immunology
Background:
- Asthma diagnosis in children relies on clinical history and lung function tests, which can be non-specific and insensitive.
- New biomarkers for airway inflammation are needed to improve diagnostic accuracy.
- YKL-40, a chitinase-like protein, is implicated in inflammation and tissue remodeling in various diseases.
Purpose of the Study:
- To evaluate serum YKL-40 levels in children diagnosed with intermittent or persistent asthma.
- To determine if YKL-40 can serve as a diagnostic biomarker for childhood asthma.
Main Methods:
- Cross-sectional analysis of serum samples from pediatric asthma patients and healthy controls.
- Stratification of asthma patients into mild intermittent, mild persistent, moderate persistent, and severe persistent categories.
- Quantification of serum YKL-40 using a commercially available enzyme-linked immune-adsorbent assay (ELISA) kit.
Main Results:
- Circulating YKL-40 levels were significantly higher in children with asthma compared to healthy controls (36±18.6 vs 14.41±2.88, p=0.001).
- Significantly elevated YKL-40 values were observed in both intermittent and persistent asthma groups compared to controls (p<0.001).
- No significant correlation was found between YKL-40 levels and asthma duration or severity.
Conclusions:
- Serum YKL-40 is a potential biomarker for asthma in children.
- YKL-40 levels are elevated in children with both intermittent and persistent asthma.
- Further research may validate YKL-40 as a diagnostic tool for pediatric asthma.
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