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Effect of stem cell factor (SCF) on cardiac stem cell (CSC) migration in vitro. (A) Representative images of migrated CSCs treated with varying concentrations of SCF by Transwell-based migration assays. Medium alone was used in the negative control experiments. Original magnification, ×200; bar, 100 μm. (B) SCF-induced CSC migration in a dose-dependent manner. Results are presented as means ± SD. *P<0.05 and **P<0.01 versus control.
