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. 2018 Oct 9;41(1):27–42. doi: 10.3892/or.2018.6780

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Copyright: © Zhao 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 5. — Effects of As₂S₂ on the protein expression of MMP-9 in breast cancer cells. MCF-7 and MDA-MB-231 cells were treated with different concentrations of As₂S₂ (0, 4, 8 and 16 µM) for 48 h. Western blot assays were performed to examine the effects of As₂S₂ on the expression of MMP-9 in the two cell lines after 48 h of treatment. β-actin was used as an internal control. All images are representative of three independent analyses from three independent cellular preparations. *P<0.05 vs. control (0 µM As₂S₂).