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(A) Kidney lysates were subjected to Western-blot analysis with specific antibodies against MMP2, MMP9 and GAPDH. The expression level of MMP2 (B) and MMP9 (C) were calculated by densitometry and normalized with GAPDH. Data are means ± SEM (n = 6). Means with distinct letter values (a, b) are significantly different from one another (P < 0.05).
