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In vivo tumorigenic assay.
| Time (weeks)a | ||||
|---|---|---|---|---|
| Cell subpopulation | 1 | 2 | 3 | 4 |
| HPAF-II wt | 0/5 | 0/5 | 0/5 | 1/5 |
| HPAF-II CD133low | 0/5 | 0/5 | 0/5 | 1/5 |
| HPAF-II CD133+ | 0/5 | 0/5 | 2/5 | 4/5 |
Data represent the number of animals with tumors vs. the total number of animals injected with different cell subpopulations. CD, cluster of differentiation; wt, wild-type.
