Carcinogenesis, Vol. 23, No. 11, 1777-1780,
November 2002
© 2002 Oxford University Press
COMMENTARY |
Migrating colonic crypt epithelial cells: primary targets for transformation
Strang Cancer Research Laboratory at the Rockerfeller University, 1230 York Avenue, New York, NY 10021, USA
It is widely believed that stem cells are the relevant target cells for colonic cell transformation. Evidence is presented that a proliferative transit daughter cell acquiring a mutant adenomatous polyposis coli gene during upward migration from the crypt base can develop retention abnormalities and permanence in the crypt, thus qualifying as a transformed clone which is retained in the colonic epithelium.
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