Hierarchy and Plasticity in the Intestinal Stem Cell Compartment.

Hierarchy and Plasticity in the Intestinal Stem Cell Compartment.
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DOI:
10.1016/j.tcb.2017.06.006
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发表时间:
2017-10
影响因子:
19
通讯作者:
Lengner CJ
Lengner CJ
中科院分区:
生物学1区
文献类型:
--
作者:
Yousefi M;Li L;Lengner CJ

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Somatic stem cells maintain tissue homeostasis by organizing themselves in such a way that they can maintain proliferative output while simultaneously protecting themselves from DNA damage that may lead to oncogenic transformation. There is considerable debate as to how such stem cell compartments are organized. Burgeoning evidence from the small intestine and colon provides support for a two-stem cell model involving actively proliferating, but injury-sensitive stem cell and a rare, injury-resistant pool of quiescent stem cells. Parallel to this evidence, recent studies have revealed considerable plasticity within the intestinal stem cell compartment. We discuss the evidence for plasticity and hierarchy within the intestinal stem cell compartment and how these properties govern tissue regeneration and contribute to oncogenic transformation leading to colorectal cancers.
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