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Roscovitine decreases proliferation and increases p21 with no effect on apoptosis. MDCK cells were seeded 24 h before treatment. Roscovitine (at the concentrations indicated) was added to the cells for 24 h and then the cells were harvested and subjected to the MTT assay as described in Materials and Methods. QM is serum-free media; * p < 0.05 compared to serum alone. Experiment shown is representative of at least three experiments.
