John Sipley

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Matrix metalloproteinase-9 (MMP-9) may play a critical catalytic role in tissue remodeling in vivo, but it is secreted by cells as a stable, inactive zymogen, pro-MMP-9, and requires activation for(More)
To examine MMP-9 activation in a cellular setting we employed cultures of human tumor cells that were induced to produce MMP-9 over a 200-fold concentration range (0.03 to 8.1 nM). The secreted(More)
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