Cell Proportion of SP cells (% :mean+SEM) (n=3) Tumorigenicity No.of mouse formed tumor INo. of mouse inoculated cells
RSP 0.92 ± 0.10 0/8 ( 0 %)
RSP-K12V 2.30 ± 0.20 3/8 (38%)
RNSP-K12V 0.54 ± 0.24 1/8 (13%)
RSP-K12V-tumor 13.03 ± 3.20 4/4 (100%)
RNSP-K12V-tumor 0.41 ± 0.22 0/4 ( 0%)
Table 1: The proportion of SP cells correlated with tumorigenicity.