Association of serum growth differentiation factor 11 with asthma severity, inflammation, and airway remodeling in pediatric patients - Summary - MDSpire
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Relationship Between Serum Growth Differentiation Factor 11 Levels and Asthma Severity, Inflammatory Responses, and Airway Remodeling in Children
To investigate the association between serum GDF11 levels and asthma severity, inflammatory responses, and airway remodeling in pediatric patients.
Approach:
Study Design: Cross-sectional study involving 107 children with asthma and 110 healthy controls.
Assessment Parameters: Evaluation of pulmonary function, inflammatory biomarkers, airway remodeling factors, and serum GDF11 levels.
Statistical Analysis: Correlation analyses, multivariate logistic regression, and ROC analysis for diagnostic performance.
Key Findings:
Children with asthma had significantly lower serum GDF11 levels compared to healthy controls (p < 0.001).
GDF11 levels were further reduced during asthma exacerbations (p < 0.001).
Higher GDF11 levels were associated with reduced odds of exacerbation (OR = 0.879, 95% CI: 0.776–0.995, p = 0.041).
Serum GDF11 levels positively correlated with pulmonary function parameters and inversely correlated with eosinophil counts and inflammatory cytokines.
ROC analysis indicated good accuracy of GDF11 in distinguishing asthma exacerbation (AUC = 0.839, sensitivity = 77.6%, specificity = 77.3%).
Interpretation:
Reduced serum GDF11 levels are linked to asthma exacerbations, airway inflammation, and remodeling in children.
Limitations:
Cross-sectional design limits causal inferences.
Study population limited to children, findings may not be generalizable to adults.
Conclusion:
GDF11 may serve as a potential biomarker for asthma severity and exacerbation risk in pediatric patients.
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