Bronchial Smooth Muscle Remodeling in Nonsevere Asthma

作者: Pierre-Olivier Girodet , Benoit Allard , Matthieu Thumerel , Hugues Begueret , Isabelle Dupin

DOI: 10.1164/RCCM.201507-1404OC

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摘要: Rationale: Increased bronchial smooth muscle (BSM) mass is a key feature of airway remodeling that classically distinguishes severe from nonsevere asthma. Proliferation BSM cells involves specific mitochondria-dependent pathway in individuals with However, and mitochondrial biogenesis have not been examined asthma.Objectives: We aimed to assess whether an increase was also implicated asthma its relationship mitochondria clinical outcomes.Methods: enrolled 34 never-smoker subjects In addition, we recruited 56 19 as comparative groups (COBRA cohort [Cohorte Obstruction Bronchique et Asthme; Bronchial Asthma Cohort; sponsored by the French National Institute Health Medical Research, INSERM]). A phenotypic characterization performed using questionnaires, atopy pulmonary function testing, exhaled nitric oxid...

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