DNA damage response, redox status and hematopoiesis.

DNA damage response, redox status and hematopoiesis.
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DOI:
10.1016/j.bcmd.2013.08.002
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发表时间:
2014-01
影响因子:
2.3
通讯作者:
Ito, Keisuke
Ito, Keisuke
中科院分区:
医学4区
文献类型:
--
作者:
Weiss, Cary N.;Ito, Keisuke

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造血干细胞(HSCs)的自我更新和分化为祖细胞的能力对于造血系统的动态平衡是必不可少的。HSCs的寿命使其容易受到DNA损伤的累积,这可能会导致白血病或导致衰老和细胞死亡。此外,造血干细胞自我更新和分化的能力允许DNA损伤扩散到整个血液系统,使机体容易受到疾病的影响。在这篇综述中,我们讨论了面对DNA损伤和其他细胞应激时细胞命运的决定,以及活性氧在HSCs长期维持及其DNA损伤反应中的作用。
The ability of hematopoietic stem cells (HSCs) to self-renew and differentiate into progenitors is essential for homeostasis of the hematopoietic system. The longevity of HSCs makes them vulnerable to accumulating DNA damage, which may be leukemogenic or result in senescence and cell death. Additionally, the ability of HSCs to self-renew and differentiate allows DNA damage to spread throughout the hematologic system, leaving the organism vulnerable to disease. In this review we discuss cell fate decisions made in the face of DNA damage and other cellular stresses, and the role of reactive oxygen species in the long-term maintenance of HSCs and their DNA damage response.
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