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实验证明:培养液中加入最终浓度为每毫升6.5-26×10~(-2)微克的表皮生长因子(Epidermal growth factor),在体外与人纤维母细胞(JHU-2)共同温育5小时,可见其对~3H-脱氧胸苷的参入,有极为明显的促进作用。含有每毫升6.5×10~(-2)微克的表皮生长因子即具促进作用。含有每毫升26×10~(-2)微克表皮生长因子的实验组,其~3H-脱氧胸苷的参入活性(CPM=39254),几为
Experiments show that: the culture medium was added to a final concentration of 6.5-26 × 10 ~ (-2) micrograms per milliliter of epidermal growth factor (Epidermal growth factor), in vitro and human fibroblasts (JHU-2) incubated for 5 hours , It can be seen on the ~ 3H-deoxythymidine participation, there is a very significant role in promoting. Containing 6.5 × 10 ~ (-2) micrograms per milliliter of epidermal growth factor that is a promotion. The experimental group containing 26 × 10 ~ (-2) micrograms of epidermal growth factor per milliliter, the incorporation activity of ~ 3H-deoxythymidine (CPM = 39254)