Membrane‐type 1 matrix metalloproteinase is required for normal alveolar development

Abstract excerpt

Matrix metalloproteinases (MMPs) are expressed during lung development, but their role may be limited, as mice deficient in MMP-3, 7, 9, or 12 develop a normal adult lung. Because membrane-type 1 matrix metalloproteinase (MT1-MMP) is expressed in the developing lung epithelium, we examined the lung structure of MT1-MMP-deficient (-/-) mice. Branching morphogenesis was normal, but alveolar development was abnormal...

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