McCawley L J, Matrisian L M
Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232-2175, USA.
Curr Biol. 2001 Jan 9;11(1):R25-7. doi: 10.1016/s0960-9822(00)00038-5.
The tumor microenvironment, or stroma, is known to contribute to tumor progression. Two recent studies have shown that the stromal protein matrix metalloproteinase MMP-9 has a role in the early stages of tumor growth and angiogenesis.