Stem cells and their implications for colorectal cancer.

Abstract excerpt

The colonic crypt is home to several multipotent stem cells. These stem cells reside in a niche at the base of the crypt, which controls their behavior and maintains the stem cell's homeostasis through a variety of signaling pathways and interactions. Several attempts have been made to define markers that can identify colonic stem cells, the most useful of which is Lgr5, a Wnt target gene. Although the crypt base...

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