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Metformin inhibits hypoxia-induced proliferation and migration in KFs. A. KFs were treated with metformin (10, 15, 20 mM) for the indicated times and cell viability was measured by the CCK-8 assay. B. The representative images of cell migration assay were obtained at 40x magnification. Graphs show the number of migrating cells after 24 h incubation.
