Airway remodelling and its relationship to inflammation in cystic fibrosis

Regamey, Nicolas; Jeffery, Peter K; Alton, Eric W F W; Bush, Andrew; Davies, Jane C (2011). Airway remodelling and its relationship to inflammation in cystic fibrosis. Thorax, 66(7), pp. 624-9. London: BMJ Publishing Group 10.1136/thx.2009.134106

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Pulmonary disease is the most important cause of morbidity and mortality in cystic fibrosis (CF). Most patients with CF die from respiratory failure with extensive airway destruction. Airway remodelling, defined as structural airway wall changes, begins early in life in CF but the sequence of remodelling events in the disease process is poorly understood. Airway remodelling in CF has traditionally been thought to be solely the consequence of repeated cycles of inflammation and infection. However, new evidence obtained from developmental, physiological and histopathological studies suggests that there might instead be multiple mechanisms leading to airway remodelling in CF including (1) changes related to infection and inflammation; (2) changes specific to CF as a result of CF transmembrane conductance regulator (CFTR) dysfunction in the airway wall, independent of infection and inflammation; and (3) protective responses to (1) and/or (2). Recent advances in bronchoscopic techniques have allowed airway mucosal (endobronchial) biopsies to be taken in children and even infants. Endobronchial biopsy studies may provide insight into the role and relative contribution of the different mechanisms of airway remodelling in CF, with the main limitation that they assess only changes in proximal large airways and not in peripheral small airways from where CF disease is thought to originate. Findings from biopsy studies could encourage the development of novel therapeutic strategies targeting structural changes in addition to infection and inflammation.

Item Type:

Journal Article (Further Contribution)


04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine

UniBE Contributor:

Regamey, Nicolas




BMJ Publishing Group




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Date Deposited:

04 Oct 2013 14:24

Last Modified:

17 Mar 2015 21:04

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URI: (FactScience: 213949)

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