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. 2017 Dec 19;15(3):2821–2828. doi: 10.3892/ol.2017.7653

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Copyright: © Fan 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 1. — Oleanolic acid derivative dose- and time-dependently reduced the viability of SMMC-7721 and HL-7702 cells. (A) The chemical structure of the oleanolic acid derivative used in the present study. Each value represents the mean ± standard deviation of three experiments. SMMC-7721 and HL-7702 cells were treated with 0, 3, 5, 7, 9, 11, 13 or 15 µM oleanolic acid derivative or vehicle (0.15% dimethyl sulfoxide) alone. The MTT assay was performed following incubation for (B) 24, (C) 48 or (D) 72 h.