Figure 5From: Evaluation of cloned cells, animal model, and ATRA sensitivity of human testicular yolk sac tumorInhibitory effects of all-trans-retinoic acid (ATRA) at different concentrations on cell proliferation (A) measured by values of the optimal density (OD) for 24, 48 and 72 hours, or the expression of RAR-β mRNA during 24-72 hours after the treatment with ATPA at concentration of 10-6 M (B) and treated with different concentrations of ATRA at 48 hours (c).Back to article page