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Effects of various concentrations of κ-elastin on MMP-1 in human aortic endothelial cells. E1, E2, E3, E4 and E5: κ-elastin concentrations of 0.1, 0.4, 1.0, 2.5 or 5.0 μg/ml, respectively. Values are presented as the mean ± SD. Significantly different at *p<0.05, **p<0.01 and ***p<0.001, respectively.
