Fig. 7.

Effect of thymidine on [¹¹C]AZT uptake by C6 cells. [¹¹C]AZT (27 nM) uptake was measured after incubation of the cells at 37 °C for 30 min in the presence or absence of thymidine (0.1 mM). Data are averages of three independent experiments. Data are presented as means ± SD