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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Mini Rev Med Chem. 2010 May 1;10(5):359–371. doi: 10.2174/138955710791330954

Fig. (1).

Fig. (1)

Cancer Stem Cell Hypothesis. Conventional therapies are directed towards rapidly dividing cells and fail to eliminate the rare cancer stem cells (CSCs) resulting in regrowth of the tumor. However, recent studies suggest that when CSCs are targeted and killed, it will lead to the elimination of the tumor.