Section 68
Chapter 67,683

S92Matrix metalloproteinase-1 activation by mast cell tryptase causes airway remodelling and is associated with bronchial hyper-responsiveness in patients with asthma

Coimbra, Joao Carlos; Pinto, Iraja Damiani; Wurdig, Norma Luiza; Do Carmo, Dermeval Aparecido

Thorax 70(Suppl 3): A52.2-A52


ISSN/ISBN: 0040-6376
DOI: 10.1136/thoraxjnl-2015-207770.98
Accession: 067682581

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Introduction Matrix Metalloproteinase-1 (MMP-1) is a collagenase, which is present, in its inactive form, in the airways, lung parenchyma and in broncho-alveolar lavage (BAL) fluid of patients with asthma. We hypothesised that MMP-1 could be activated during asthma exacerbations leading to extra-cellular matrix (ECM) processing which contributes to airway remodelling.

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