期刊
ANNUAL REVIEW OF PHYSIOLOGY, VOL 75
卷 75, 期 -, 页码 263-288出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-physiol-030212-183741
关键词
stem cells; colorectal cancer; cell fate determination; gamma-secretase; ATOH1
类别
The small and large intestines are tubular organs composed of several tissue types. The columnar epithelium that lines the inner surface of the intestines distinguishes the digestive physiology of each region of the intestine and consists of several distinct cell types that are rapidly and continually renewed by intestinal stem cells that reside near the base of the crypts of Lieberkuhn. Notch signaling controls the fate of intestinal stem cells by regulating the expression of Hes genes and by repressing Atoh1. Alternate models of Notch pathway control of cell fate determination are presented. Roles for Notch signaling in development of the intestine, including mesenchymal and neural cells, are discussed. The oncogenic activities of Notch in colorectal cancer, as well as the tumor suppressive activities of Atoh1, are reviewed. Therapeutic targeting of the Notch pathway in colorectal cancers is discussed, along with potential caveats.
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