Notch signaling in mammalian hematopoietic stem cells.

Notch signaling in mammalian hematopoietic stem cells.
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DOI:
10.1038/leu.2011.127
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发表时间:
2011-10
期刊:
影响因子:
11.4
通讯作者:
Pear WS
Pear WS
中科院分区:
医学1区
文献类型:
--
作者:
Pajcini KV;Speck NA;Pear WS

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Notch是后生动物发育过程中一条重要的细胞信号通路。Notch信号通过细胞-细胞相互作用调节细胞的身份、增殖、分化和凋亡。在过去的十年中,许多研究已经证明了这一途径在哺乳动物干细胞群的发育和稳态中的重要作用。造血干细胞是一个明确定义的群体,其显示自我更新和多谱系分化潜力,具有临床相关的能力来重新填充成年生物体的造血系统。本文就Notch信号在造血生物学中的作用,综述了造血干细胞(HSCs)在哺乳动物胚胎发生和成年期的出现、发育和维持。
Notch is a crucial cell signaling pathway in metazoan development. By means of cell-cell interactions, Notch signaling regulates cellular identity, proliferation, differentiation and apoptosis. Within the last decade, numerous studies have demonstrated an important role for this pathway in the development and homeostasis of mammalian stem cell populations. Hematopoietic stem cells are a well-defined population that display self-renewal and multi-lineage differentiation potential with the clinically relevant capacity to repopulate the hematopoietic system of an adult organism. Here, we review the emergence, development and maintenance of hematopoietic stem cells (HSCs) during mammalian embryogenesis and adulthood with respect to the role of Notch signaling in hematopoietic biology.
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