Matrix metalloproteinase-14 (MMP14) (MMP14)

Matrix metalloproteinase-14 (MMP14), commonly known as Membrane-type matrix metalloproteinase 1 (MT1-MMP), is a membrane-bound enzyme that plays a critical role in remodeling the extracellular matrix (ECM) (UniProt P50281). Unlike many other matrix metalloproteinases that are secreted, MMP14 is anchored to the cell surface, allowing it to direct localized proteolysis essential for cell migration, tissue morphogenesis, and angiogenesis. It is particularly significant for its ability to degrade fibrillar collagens and to act as a cell-surface activator for pro-MMP2 (Sato et al., 1994). In disease states, especially cancer, MMP14 is frequently overexpressed and is a major driver of tumor cell invasion and metastasis (Overall & Kleifeld, 2006). The specific nomenclature 'Membrane-type matrix metalloproteinase 1-associated mannose/glucose-containing glycoproteins' refers to the biochemical context where lectins like Concanavalin A bind to cell-surface glycans to trigger the activation and clustering of MMP14 (Yu et al., 1995). Therapeutic strategies targeting MMP14 include broad-spectrum inhibitors like Marimastat and more recent, highly specific monoclonal antibodies such as DX-2400, which aim to inhibit its catalytic activity or its interaction with substrates (Devy et al., 2009).

Other names

Membrane-type matrix metalloproteinase 1MT1-MMPMT-MMP 1MMP-14Matrix metallopeptidase 14

Matrix metalloproteinase-14 inhibitors typically function by binding to the zinc-dependent catalytic site, thereby preventing the cleavage of extracellular matrix components and the activation of pro-MMP2. Monoclonal antibodies like DX-2400 provide a more specific mechanism by targeting the catalytic domain or allosteric sites to neutralize the enzyme's activity without affecting other MMP family members.