Cancer Cell International | Full text | 17β-Estradiol responsiveness of MCF-7 laboratory strains is
Figure 1. Effect of IGF-I and E2 on the induction of DNA-synthesis in the MCF-7 strains. Serum-starved cells grown in 24-wells plates were given no mitogens (-), 20 ng/ml of IGF-I (I (20)), 2 ng/ml of IGF-I (I (2)), 2 ng/ml of IGF-I in combination with 1 ...