Table II.
In vivo tumorigenicity of prostate cancer cells in mice.
Number of cells | ||||||
---|---|---|---|---|---|---|
Cell type | 1×106 | 1×105 | 5×104 | 1×104 | 5×103 | 2×103 |
CD44− DU145 | 5/9 | 3/9 | 1/9 | 0/9 | 0/9 | 0/9 |
CD44+ DU145 | 9/9 | 9/9 | 9/9 | 9/9 | 8/9 | 5/9 |
CD44− 22RV1 | 7/9 | 6/9 | 3/9 | 1/9 | 0/9 | 0/9 |
CD44+ 22RV1 | 9/9 | 9/9 | 9/9 | 9/9 | 7/9 | 4/9 |
CD, cluster of differentiation.