Cystic fibrosis alters the structure of mucus in airways

IMAGE: The image shows mucus in pig airway affected by cystic fibrosis (CF). The red strands of mucus (made of MUC5B protein) are more tangled than normal, and the green sheets... view Mucus is important for maintaining healthy lungs. Inhaled particles, including bacteria and viruses, get trapped in mucus and then cilia -- tiny hair like projections on the surface of the airway cells -- sweep the mucus out of the airway. In lungs affected by cystic fibrosis (CF), the mucus is abnormal and the lung-clearing process breaks down. This deficit may contribute to lung infections and inflammation that cause...

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