Fig. 4. Proliferation effect of placental extract in RSC96. The proliferation is significantly increased in the RSC96 cells treated with PE (0.5~4 mg/ml) (A; t-test, *p<0.05, mean±SD). The expression of PCNA is increased in RSC96 treated with PE (2 mg/ml) (B, C; t-test, *p<0.05, mean±SD).
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