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. 2017 Jun 15;16(2):1731–1738. doi: 10.3892/mmr.2017.6784

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Copyright: © Wu et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 2. — Immunofluorescence assessment of MMP-2 and MMP-9 expression in the stria vascularis prior to and following NE. (A) Tissue double-labeled for MMP-2 (green) and DAPI (blue) prior to (a, b) and following (c, d) noise exposure. Scale bar, 100 µm. (B) Tissue double-labeled for MMP-9 (red) and DAPI (blue) prior to (a, b) and following (c, d) noise exposure. Scale bar, 100 µm. (C) Weak MMP-2 (green) and −9 (red) immunoreactivity was observed in marginal cells and basal cells in the stria vascularis of controls (a, c), which significantly increased following noise-trauma (b, d). Scale bar, 25 µm. (D) Quantification of localized fluorescence density of MMP-2 (green) and −9 (red) in the stria vascularis. Data are expressed as the mean ± standard deviation. **P<0.01. MMP, matrix metalloproteinase; NE, noise exposure; Ctrl, control.