Research Article

[Retracted] Metformin Ameliorates Senescence of Adipose-Derived Mesenchymal Stem Cells and Attenuates Osteoarthritis Progression via the AMPK-Dependent Autophagy Pathway

Figure 2

Effects of metformin (100 μM–5 mM) on the viability of ADSCs. Cell viability was determined by the CCK-8 assay. Data represent the (). Using one-way ANOVA, statistically significant differences are indicated by and .