Selected SummaryThe New Look of Colorectal Cancer Stem Cells
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With their study, Dalerba et al have provided further insights into the existence and characterization of Co-CSC. They have specified a tumor cell population, possibly overlapping with the tumorigenic colorectal cancer cell populations described recently (Nature 2007;445:111–115; Nature 2007;445:106–110). In fact, all 3 studies identified tumor cell populations expressing CD133 with apparently “stem cell-like” properties. The use of additional distinct markers in the 3 studies may explain the
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