Axon plasticity in the mammalian central nervous system after injury.

Axon plasticity in the mammalian central nervous system after injury.
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DOI:
10.1016/j.tins.2014.08.008
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发表时间:
2014-10
影响因子:
15.9
通讯作者:
Zheng B
Zheng B
中科院分区:
医学1区
文献类型:
--
作者:
Chen M;Zheng B

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成人中枢神经系统(CNS)被切断的轴突具有有限的再生能力。然而,来自CNS损伤反应和修复研究的越来越多的证据挑战了普遍的观点,即成年哺乳动物CNS无法进行结构重组以适应改变的环境。动物研究表明,通过单独操纵轴突生长调节剂或与活动依赖策略相结合,中枢神经系统损伤后的解剖修复和功能恢复具有重要的潜力。随着对调节轴突可塑性的细胞和分子机制的不断了解,以及绘制功能重要迂回回路的新实验工具的可用性,指导回路重新布线以实现功能恢复的未来可能就在眼前。
It is widely recognized that severed axons in the adult central nervous system (CNS) have limited capacity to regenerate. However, mounting evidence from studies of CNS injury response and repair is challenging the prevalent view that the adult mammalian CNS is incapable of structural reorganization to adapt to an altered environment. Animal studies demonstrate the potential to achieve significant anatomical repair and functional recovery following CNS injury by manipulating axon growth regulators alone or in combination with activity-dependent strategies. With a growing understanding in the cellular and molecular mechanisms regulating axon plasticity and the availability of new experimental tools to map detour circuits of functional importance, the future of directing circuit rewiring to achieve functional recovery may be in sight.
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