Table 1. Tumorigenic capability of cervical cancer stem cell-like cells in nu/nu mice.
HeLa | SiHa | |||||||
---|---|---|---|---|---|---|---|---|
# cells | Monolayer | Sphere | ALDH+ | ALDH- | Monolayer | Sphere | ALDH+ | ALDH- |
1×103 | 0/5 | 0/5 | 3/5 | 0/5 | 0/5 | 0/5 | 4/5 | 0/5 |
1×104 | 0/5 | 5/5 | 5/5 | 0/5 | 0/5 | 4/5* | 5/5 | 0/5 |
1×105 | 0/5** | 5/5*** | NT | NT | 0/5 | 5/5** | NT | NT |
ALDH+ (ALDHbright cells: high ADLH activity)
ALDH− (ALDHlow cells: poor ALDH activity)
NT: not tested
Tumor growing (≈ 0.5 cm) was observed 30 days after inoculation.
Tumor growing (≈ 0.5 cm) was observed in 1/5 mice 60 days after inoculation.
Tumor growing (≈ 1 cm) was observed 21 days after inoculation.