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Respir Res. 2016 Mar 4;17:23. doi: 10.1186/s12931-016-0343-6.

Role of matrix metalloproteinases in the pathogenesis of idiopathic pulmonary fibrosis.

Author information

1
Facultad de Ciencias, Universidad Nacional Autónoma de México, México, DF, Mexico. apardos@unam.mx.
2
Facultad de Ciencias, Universidad Nacional Autónoma de México, México, DF, Mexico.
3
Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, México, DF, Mexico.

Abstract

Idiopathic pulmonary fibrosis (IPF) is a progressive and devastating lung disorder of unknown origin, with very poor prognosis and no effective treatment. The disease is characterized by abnormal activation of alveolar epithelial cells, which secrete numerous mediators involved in the expansion of the fibroblast population, its differentiation to myofibroblasts, and in the exaggerated accumulation of extracellular matrix provoking the loss of lung architecture. Among the excessively produced mediators are several matrix metalloproteases (MMPs) which may contribute to modify the lung microenvironment by various mechanisms. Thus, these enzymes can not only degrade all the components of the extracellular matrix, but they are also able to release, cleave and activate a wide range of growth factors, cytokines, chemokines and cell surface receptors affecting numerous cell functions including adhesion, proliferation, differentiation, recruiting and transmigration, and apoptosis. Therefore, dysregulated expression of MMPs may have profound impact on the biopathological mechanisms implicated in the development of IPF. This review focuses on the current and emerging evidence regarding the role of MMPs on the fibrotic processes in IPF as well as in mouse models of lung fibrosis.

PMID:
26944412
PMCID:
PMC4779202
DOI:
10.1186/s12931-016-0343-6
[Indexed for MEDLINE]
Free PMC Article

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