Tissue Inhibitor of Metalloproteinases (TIMPs) is the specific inhibitor of MMPs, and TIMP-1 mainly inhibits the activity of MMP-2 and MMP-9.

• 金属蛋白酶组织抑制因子（Tissue Inhibitor of Metalloproteinases, TIMPs）是MMPs特异性抑制因子，其中TIMP-1主要抑制MMP-2和MMP-9的活性。