From: Identification of a unique hepatocellular carcinoma line, Li-7, with CD13(+) cancer stem cells hierarchy and population change upon its differentiation during culture and effects of sorafenib
Culture period
Tumorigenicity
1 week (containing CD13+/CD166-)
4/4
4 weeks (CD13-/CD166- and CD13-/CD166+)
1/4
8 weeks (only CD13-/CD166+)
0/4*