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. 2021 Mar 9;14:745–760. doi: 10.2147/JIR.S297166

Figure 1.

Figure 1

The molecular structure of engeletin and the effects of engeletin on chondrocyte viability. (A) The molecular structure of engeletin. (B, C) Chondrocytes were treated with DMSO or different concentrations of engeletin (5, 10, 20, 40, 80 and 160 μM) for 24 (B) or 48 (C) hours. Then, cell viability was measured by CCK-8 assay. (D) Chondrocytes were treated with DMSO or different concentrations of engeletin (240, 320, 400, 480, 560, 640, 720, 800, 880 μM) for 24 hours to determine the toxicity of engeletin. The data are presented as the mean ± SD. n=3. ns: not significant.