A novel function for tissue inhibitor of metalloproteinases-3 (TIMP3): inhibition of angiogenesis by
Author: ["Jian Hua Qi","Quteba Ebrahem","Nina Moore","Gillian Murphy","Lena Claesson-Welsh","Mark Bond","Andrew Baker","Bela Anand-Apte"]
Publication: Nature Medicine
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Abstract
Tissue inhibitor of metalloproteinases-3 (TIMP3) is one of four members of a family of proteins that were originally classified according to their ability to inhibit matrix metalloproteinases (MMP). TIMP3, which encodes a potent angiogenesis inhibitor, is mutated in Sorsby fundus dystrophy, a macular degenerative disease with submacular choroidal neovascularization. In this study we demonstrate the ability of TIMP3 to inhibit vascular endothelial factor (VEGF)–mediated angiogenesis and identify the potential mechanism by which this occurs: TIMP3 blocks the binding of VEGF to VEGF receptor-2 and inhibits downstream signaling and angiogenesis. This property seems to be independent of its MMP-inhibitory activity, indicating a new function for this molecule.
Cite this article
Qi, J., Ebrahem, Q., Moore, N. et al. A novel function for tissue inhibitor of metalloproteinases-3 (TIMP3): inhibition of angiogenesis by blockage of VEGF binding to VEGF receptor-2. Nat Med 9, 407–415 (2003). https://doi.org/10.1038/nm846