Location, location, location: The cancer stem cell niche
被引:137
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作者:
Sneddon, Julie B.
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Harvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Harvard Univ, Dept Mol & Cellular Biol, Cambridge, MA 02138 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Sneddon, Julie B.
[1
,2
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Werb, Zena
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Univ Calif San Francisco, Dept Anat, Ctr Comprehens Canc, San Francisco, CA 94143 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Werb, Zena
[3
]
机构:
[1] Harvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
[2] Harvard Univ, Dept Mol & Cellular Biol, Cambridge, MA 02138 USA
[3] Univ Calif San Francisco, Dept Anat, Ctr Comprehens Canc, San Francisco, CA 94143 USA
The existence of a stem cell niche, or physiological microenvironment, consisting of specialized cells that directly and indirectly participate in stem cell regulation has been verified for mammalian adult stem cells in the intestinal, neural, epidermal, and hernatopoietic systems. In light of these findings, it has been proposed that a "cancer stem cell niche" also exists and that interactions with this tumor niche may specify a self-renewing population of tumor cells. We discuss emerging data that support the idea of a veritable cancer stem cell niche and propose several models for the relationship between cancer cells and their niches.