Table 1.
Limiting dilution tumor formation of CD44+/CD24-/low/ESA+ sorted cells in vivo
| Cell type | Days | Number injected and tumors formed | ||||
| 1 × 106 | 1 × 105 | 1 × 104 | 1 × 103 | 1 × 102 | ||
| SUM159 unsorted | 13–100 | 5/5 | 5/6 | 5/8 | 3/8 | 0/2 |
| SUM159 CD44+/CD24-/ESA- | 20–100 | 8/10 | 2/2 | 1/2 | 0/8 | 0/10 |
| SUM159 CD44+/CD24-/low/ESA+ | 20–100 | - | - | 2/2 | 6/6 | 6/10 |
| SUM1315 unsorted | 20–150 | 2/2 | 2/2 | 2/4 | 0/4 | - |
| SUM1315 CD44+/CD24-/ESA- | 25–150 | 3/4 | 2/2 | 0/4 | 0/10 | - |
| SUM1315 CD44+/CD24-/low/ESA+ | 20–150 | - | - | 3/4 | 7/8 | - |
| SUM149 unsorted | 19–150 | 4/4 | 3/4 | 2/4 | 1/4 | 0/2 |
| SUM149 CD44+/CD24+/ESA+ | 20–150 | - | 2/2 | 0/4 | 0/4 | 0/6 |
| SUM149 CD44+/CD24-/low/ESA+ | 48–150 | - | 2/2 | 2/4 | 6/6 | 5/6 |
ESA, epithelial-specific antigen.