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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Cancer Res. 2011 Apr 15;71(11):3991–4001. doi: 10.1158/0008-5472.CAN-10-3175

Table 2.

Tumor initiating capacity of limiting dilutions of ALDH+ and ALDH− cells from the SKOV3 and Hey1 ovarian cancer cell lines and nine primary human ovarian tumors.

Cell SKOV3 Cell Line Hey1 Cell Line Primary Human Tumors
Cell type ALDH+ ALDH− ALDH+ ALDH− ALDH+ ALDH−
# Cells Injected Tumors Formed Tumors Formed Tumors Formed
100 4/4 0/4 4/5 1/5 0/5 0/5
300 4/5 0/10 10/10 4/10 ND ND
1000 10/10 4/10 10/10 8/10 2/9 0/9
50000 ND ND ND ND ND 0/9