These cells include the highly invasive HT1080 fibrosarcoma and MDA-MB-231 breast carcinoma cells (both with high levels of MT1-MMP), non-invasive SK-BR-3, CRL2314, ZR-75-1 and MCF-7 breast cancer cells, and CRL4010 immortalized epithelial cells. Here, MMP14 is linked to breast carcinoma.