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June 12, 2026Chinese Medical Journal - Pulmonary and Critical Care MedicineOpen Access

Structural and cellular mechanisms of airway mucus plugging in the larger airways

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Authors

ZHZ HuLYLiyuan YangYMYabo Ma

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Overview

Review examines mucus plugging mechanisms in cystic fibrosis, asthma, and COPD, suggesting new treatment strategies.

Key Points

  • This review aims to explore the structural and cellular mechanisms contributing to airway mucus plugging in major respiratory diseases.
  • Comprehensive literature review focusing on mucus mechanisms in cystic fibrosis, asthma, and COPD.
  • Discussion of structural failure due to submucosal gland dysfunction and inflammation.
  • Analysis of disease-specific factors affecting mucus hydration and clearance.
  • Identified a flush-load model explaining mucus plugging due to imbalanced secretions and mucin accumulation.
  • Highlighted different etiologies affecting mucus regulation in cystic fibrosis, asthma, and COPD.
  • Advocated for shifting treatment focus to the glandular stem cell niche and restoring ion channel function.

Cite This Study

Hu et al. (2026) studied this question.

synapsesocial.com/papers/6a2ba2c18101cf8926f01a02https://doi.org/10.1016/j.pccm.2026.05.001
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