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. 2017 Apr 5;7:46065. doi: 10.1038/srep46065

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Copyright © 2017, The Author(s)

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Immunohistochemical staining was performed with a specific antibody against MMP-2 (A) and MMP-9 (B). Densitometric quantification for MMP-2 and MMP-9 was applied to each group. ALA; only ALA treated group, ALA + Sham; ALA treated and no ureteral ligated group, UUO; no ALA treated, but ureteral ligated group, UUO + ALA; ALA treated and ureteral ligated group. Values are expressed as means ± SE (*P < 0.05). Scale bar; 50 μm. Asterisk, the dilated tubules. UUO1, enlarged image from insert in UUO. Arrow, tubular interstitial area. Asterisk, the dilated tubules.