Immune influence on adult neural stem cell regulation and function.

Immune influence on adult neural stem cell regulation and function.
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DOI:
10.1016/j.neuron.2009.08.038
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发表时间:
2009-10-15
期刊:
影响因子:
16.2
通讯作者:
Palmer, Theo D.
Palmer, Theo D.
中科院分区:
医学1区
文献类型:
--
作者:
Carpentier, Pamela A.;Palmer, Theo D.

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神经干细胞(NSC)是中枢神经系统发育和修复的核心,NSC或其后代的缺陷或失调可能会在生命的任何阶段产生重大后果。免疫信号正在成为定义居民NSC行为的有影响力的变量之一。局部免疫信号传导的扰动几乎伴随着每一种损伤或疾病状态,介导免疫激活、消退或慢性持续性的信号传导级联影响常驻干细胞和祖细胞。免疫信号传导的某些方面是有益的,促进内在可塑性和细胞替代,而其他方面似乎抑制了可能恢复或替代损伤或疾病中丢失的神经网络的再生反应。在这里,我们回顾了已知的和推测的作用,免疫信号在出生后和成人大脑中发挥作用,重点是如何在疾病或损伤中遇到的环境可能会影响内源性或移植的神经干细胞的活性和命运。
Neural stem cells (NSCs) lie at the heart of central nervous system development and repair, and deficiency or dysregulation of NSCs or their progeny can have significant consequences at any stage of life. Immune signaling is emerging as one of the influential variables that define resident NSC behavior. Perturbations in local immune signaling accompany virtually every injury or disease state and signaling cascades that mediate immune activation, resolution, or chronic persistence influence resident stem and progenitor cells. Some aspects of immune signaling are beneficial, promoting intrinsic plasticity and cell replacement, while others appear to inhibit the very type of regenerative response that might restore or replace neural networks lost in injury or disease. Here we review known and speculative roles that immune signaling plays in the postnatal and adult brain, focusing on how environments encountered in disease or injury may influence the activity and fate of endogenous or transplanted NSCs.
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