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Effects of elastic moduli of the gels (Egel) on proliferation of ASMCs. A: phase contrast images of human ASMCs positively stained with the MTT reagent at 3 and 72 h postseeding. B: quantified analysis of the percentages of metabolically active cells at 72 h. The percentage of metabolically active cells at 3 h was taken as 100%. Bars and error bars represent the means ± SD. *P < 0.05, statistically significant difference of values between conditions in B. Scale bar = 20 μm.
