Table 2 Tumorigenic activity of total population, isolated CD44⁺ and CD44^– EC fractions

Total number of EC cells in the peritoneal cavity (×10⁷) when administering under various concentrations

3 × 10⁶

35.80 ± 1.27

826.51 ± 6.53^*

7.82 ± 0.94^*

3 × 10⁵

3.00 ± 0.25

65.00 ± 1.27^*

–

3 × 10⁴

–

13.50 ± 0.31

–

3 × 10³

–

–

–

Number of animals with EC development to day 7 after administration of various concentrations of cells

3 × 10⁶

10/10

10/10

5/10

3 × 10⁵

5/10

9/10

0/10

3 × 10⁴

0/10

3/10

0/10

3 × 10³

0/10

0/10

0/10