Cell cycle regulation in hematopoietic stem cells.
Cell cycle regulation in hematopoietic stem cells.
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DOI:
10.1083/jcb.201102131
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发表时间:
2011-11-28
期刊:
影响因子:
--
通讯作者:
Passegué E
中科院分区:
文献类型:
--
作者:
Pietras EM;Warr MR;Passegué E
Hematopoietic stem cells (HSCs) give rise to all lineages of blood cells. Because HSCs must persist for a lifetime, the balance between their proliferation and quiescence is carefully regulated to ensure blood homeostasis while limiting cellular damage. Cell cycle regulation therefore plays a critical role in controlling HSC function during both fetal life and in the adult. The cell cycle activity of HSCs is carefully modulated by a complex interplay between cell-intrinsic mechanisms and cell-extrinsic factors produced by the microenvironment. This fine-tuned regulatory network may become altered with age, leading to aberrant HSC cell cycle regulation, degraded HSC function, and hematological malignancy.
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