Related Experiment Video
Updated: Jul 16, 2026

Studying Wnt Signaling During Patterning of Conducting Airways
Published on: October 16, 2016
Airway remodelling in children: when does it start?
Carlos Baena-Cagnani1, Giovanni A Rossi, Giorgio Walter Canonica
1Department of Paediatrics, Infantile Hospital, Santa Rosa, Faculty of Medicine, Catholic University of Cordoba, Argentina.
Insights
Airway remodeling in childhood asthma begins early, with structural changes detectable before diagnosis. Early detection and intervention are crucial for preventing irreversible lung function loss in pediatric asthma.
Area of Science:
- Pediatric Pulmonology
- Respiratory Medicine
- Cellular Biology
Background:
- Childhood asthma involves airway remodeling, a process that may begin early in life.
- Current prevention and treatment strategies are often ineffective against established irreversible airway changes.
Purpose of the Study:
- To characterize airway remodeling in childhood asthma.
- To identify early detection and potential cure points for cellular and biochemical changes.
- To address the timely relevance of early-life interventions.
Main Methods:
- Review of clinical and epidemiological studies.
- Analysis of findings on structural changes in pediatric asthma.
- Examination of early cellular and biochemical markers.
Main Results:
- Structural changes of airway remodeling are detectable in children with asthma.
- These changes, including basement membrane thickening and epithelial disruption, are also present in children with early respiratory symptoms or atopy.
- Detection is possible before a definitive clinical diagnosis of asthma is made.
Conclusions:
- Identifying early structural changes preceding asthma development is key.
- Understanding factors leading to permanent lung function loss is central to future asthma management.
- Early detection and intervention strategies are critical for managing pediatric asthma.
Purpose Of Review:
The review characterizes airway remodelling in childhood asthma and describes how early in life it is possible to detect, and possibly cure, the cellular and biochemical changes that characterize this event. This topic is timely and relevant since a variety of clinical and epidemiologic studies strongly suggest that in asthma, remodelling may start very early in life and that current prevention and treatment measures, including early avoidance measures and pharmaceutical interventions, are relatively ineffective in preventing the development of irreversible airway changes or in reverting them, once established.
Recent Findings:
Recent findings show that structural changes characterizing remodelling, such as subepithelial basement membrane thickening, epithelial cell disruption, protease/antiprotease imbalance and neoangiogenesis, are detectable in children with asthma and even in children with respiratory symptoms or with atopy, before a clear clinical diagnosis of bronchial asthma is made.
Summary:
Identification of the early structural changes that may precede the development of asthma and of factors leading to permanent loss of lung function appear central to future asthma management.
Related Concept Videos
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Pulmonary Cycle: Exhalation
The Bronchial Tree
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
Breathing
Asthma I: Introduction
Asthma-II: Pathophysiology and Classification
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include: