期刊
VASCULAR MEDICINE
卷 10, 期 1, 页码 1-6出版社
SAGE PUBLICATIONS LTD
DOI: 10.1191/1358863x05vm582oa
关键词
MMP-2; MMP-9; type II diabetes; vascular disease
Deregulation of matrix metalloproteinases (MMPs) is an important factor contributing to the development of vascular lesions. Plasma levels and zymographic activities of MMP-2 and MMP-9 were investigated in type II diabetics with (n = 51) or without (n = 42) peripheral artery disease (PAD) and in normal volunteers (n = 23). Plasma MMP-2 levels were higher in type II diabetics with (p < 0.01) or without (p > 0.05) PAD in comparison with normal volunteers. Similarly, type II diabetics with (p < 0.0001) or without (p > 0.05) PAD had higher plasma MMP-9 levels than normal volunteers. Plasma zymographic activities of both MMP-2 and MMP-9 were positively correlated with their plasma levels. Plasma MMP-2 zymographic activity was higher in type II diabetics with PAD than type II diabetics without PAD (p > 0.05). Plasma MMP-9 zymographic activity was higher in type II diabetics with (p < 0.0001) or without (p < 0.0001) PAD in comparision with normal volunteers. Together, these results indicate that increased plasma levels and zymographic activities of MMP-2 and MMP-9 may contribute to PAD in type II diabetics. In particular, plasma MMP-9 may be a useful marker for the development of vascular disease in type II diabetics.
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