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. 2018 Aug 18;5:864–870. doi: 10.1016/j.toxrep.2018.08.015

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© 2018 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 5 — Evaluation of MMP secretion by gelatin and casein zymography. (A) Gelatin zymography was performed to evaluate putative MMP-9 levels. The bands corresponding to pro-MMP-9 are shown. (B) Fold increase of intensity values compared with the untreated control on each exposure day. (C) Casein zymography was performed to evaluate putative MMP-1/3 levels. (D) Fold increase of intensity values compared with the untreated control on each exposure day. Data are plotted as means of triplicate measurements, and the error bars show standard errors. *Significant difference (p < 0.05, one-way ANOVA). NT, untreated control.