Additional file 1 of Targeting AKT with costunolide suppresses the growth of colorectal cancer cells and induces apoptosis in vitro and in vivo

Additional file 1: Figure S1. Analysis of cell proliferation, cell cycle, and apoptosis after treatment with CTD. (a) MTT assay was performed to measure the effect on the cytotoxicity of healthy colon cells named CCD-18Co at 24, 48, 72, and 96 h, respectively. Data are shown as mean ± SD of values from triplicate samples. (*p