Comment on "Tumor growth need not be driven by rare cancer stem cells"
- PMID: 18079385
- DOI: 10.1126/science.1149590
Comment on "Tumor growth need not be driven by rare cancer stem cells"
Abstract
Kelly et al. (Brevia, 20 July 2007, p. 337) questioned xenotransplant experiments supporting the cancer stem cell (CSC) hypothesis because they found a high frequency of leukemia-initiating cells (L-IC) in some transgenic mouse models. However, the CSC hypothesis depends on prospective purification of cells with tumor-initiating capacity, irrespective of frequency. Moreover, we found similar L-IC frequencies in genetically comparable leukemias using syngeneic or xenogeneic models.
Comment on
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Tumor growth need not be driven by rare cancer stem cells.Science. 2007 Jul 20;317(5836):337. doi: 10.1126/science.1142596. Science. 2007. PMID: 17641192
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