Matrix metalloproteinases: discrete elevations in essential hypertension and hypertensive end-stage renal disease.

Friese, R.S., Rao, F., Khandrika, S., Thomas, B., Ziegler, M.G., Schmid-Schönbein, G.W., O'Connor, D.T.
Journal   Clin Exp Hypertens.
Species  
Analytes Measured   MMP-1 , MMP-10 , MMP-2 , MMP-3 total
Matrix Tested   Plasma
Year   2009
Volume   31
Page Numbers   521-33
Application   Cytokines and Chemokines
Abstract
The contribution of inflammation to hypertension and target organ damage is under investigation. The matrix metalloproteinase (MMP) enzymes are inflammatory mediators that may contribute to hypertension and its target organ consequences. Here we probe MMPs as inflammatory mediators in hypertension, by studying all three MMP classes in uncomplicated hypertension as well hypertension with profound renal damage, such as hypertensive end-stage renal disease (ESRD). We assayed plasma levels of five MMPs: one collagenase (MMP-1), two gelatinases (MMP-2, MMP-9), and two stromelysins (MMP-3, MMP-10). In hypertension, MMP-9 was elevated versus normotensive controls. Systolic blood pressure (SBP) in all three subject groups positively correlated with MMP-9. In hypertensive-ESRD, MMP-2 and MMP-10 were elevated compared to both hypertensive and normotensive subjects. Several correlations occurred across MMPs, suggesting coordinate biosynthetic control. Our results suggest discrete patterns of MMP overexpression in hypertension, with MMP-9 elevated early, and MMP-2 and MMP-10 linked to target organ damage.

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