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Published on: December 21, 2014
Macrophage metalloelastase (MMP-12) as a target for inflammatory respiratory diseases
Vincent Lagente1, Catherine Le Quement, Elisabeth Boichot
1Université de Rennes I, INSERM U620/EA MDC, 2, avenue du Pr. Léon Bernard, 35043 Rennes Cedex, France. vincent.lagente@univ-rennes1.fr
Background:
MMPs are known to regulate the turnover of extracellular matrix and have been suggested to be important in lung disease associated with tissue remodeling. Macrophage elastase (MMP-12) is able to degrade extracellular matrix components such as elastin and is involved in tissue remodeling in inflammatory respiratory diseases such as chronic obstructive pulmonary diseases (COPD), including emphysema. Recent studies using MMP-12 inhibitors have demonstrated a reduction in both the inflammatory process and airspace enlargement in lung tissue.
Objective/Methods:
This review discusses the potential involvement of MMP-12 in the pathophysiological process and proposes MMP-12 as a target for inflammatory disorders of the respiratory system.
Results/Conclusions:
MMP-12 plays a predominant role in the inflammatory process induced by cigarette smoke, and therefore is potentially an important therapeutic target for the treatment of COPD.
Insights
Macrophage elastase (MMP-12) is crucial in lung tissue remodeling and inflammation, particularly in chronic obstructive pulmonary diseases (COPD). Inhibiting MMP-12 shows promise for treating inflammatory respiratory disorders like COPD.
Area of Science:
- Pulmonary Medicine
- Biochemistry
Background:
- Matrix metalloproteinases (MMPs) regulate extracellular matrix turnover, implicated in lung tissue remodeling.
- Macrophage elastase (MMP-12) degrades elastin and contributes to tissue remodeling in inflammatory respiratory diseases like COPD and emphysema.
Purpose of the Study:
- To review the role of MMP-12 in respiratory disease pathophysiology.
- To propose MMP-12 as a therapeutic target for inflammatory respiratory disorders.
Main Methods:
- Review of existing literature on MMP-12 function in respiratory diseases.
- Analysis of studies involving MMP-12 inhibitors in preclinical models.
Main Results:
- MMP-12 is involved in the inflammatory processes associated with cigarette smoke exposure.
- Studies using MMP-12 inhibitors have shown reduced inflammation and airspace enlargement in lung tissue.
Conclusions:
- MMP-12 plays a significant role in cigarette smoke-induced inflammation.
- MMP-12 represents a potential therapeutic target for treating COPD.
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