Gelatinases [matrix metalloproteinase-2 (MMP-2) and MMP-9] induce carotid plaque instability but their systemic levels are not predictive of local events. - Tziakas,D.N.; Lazarides,M.K.; Tentes,I.K.; Georgiadis,G.S.; Eleftheriadou,E.; Chalikias,G.K. (Ann Vasc Surg, 2005)