Fig. 1.
Growth of GGT-positive and -negative PC3 cells in vitro and in vivo. Growth in vitro of GGT-positive, PC3 cells (+), GGT-negative, PC3 cells (○) and parental PC3 cells (△) in experiment 1 (A) and experiment 2 (B). Growth of the same PC3 GGT-positive cells (●) and GGT-negative cells (s) when injected into nude mice, experiment 1 (C); experiment 2 (D).