MMP9 and atherosclerosis: Additionally, since MMP-2 and MMP-9 have been detected in both benign and malignant renal cysts (Harada et al., 2002) and the abnormal expression of MMP-2 and MMP-9 are pertinent to the pathogenesis of atherosclerosis the altered expression and distribution of MMPs might contribute to the correlation between SRCs and CVD (Wagsater et al., 2011).