Review
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 21, 2006; 12(3): 363-371
Published online Jan 21, 2006. doi: 10.3748/wjg.v12.i3.363
Figure 1
Figure 1 A proposed model for the cancer stem cell. The cancer stem cell replicates itself asymmetrically, thus maintaining one daughter stem cell identical to itself. This remains in a relatively quiescent state. The asymmetric division also produces another daughter cell with a high proliferative rate which rapidly divides to sustain the tumor mass.