BDNF signaling and survival of striatal neurons.

BDNF signaling and survival of striatal neurons.
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DOI:
10.3389/fncel.2014.00254
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发表时间:
2014
影响因子:
5.3
通讯作者:
Xu B
Xu B
中科院分区:
医学2区
文献类型:
--
作者:
Baydyuk M;Xu B

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纹状体是基底神经节的主要组成部分,执行多种功能,包括控制运动,奖励和成瘾。纹状体神经元的功能障碍和死亡是亨廷顿病(HD)相关运动障碍的主要原因。脑源性神经营养因子(BDNF)是神经营养因子家族的一员,是促进该神经元群体存活和正常功能的因素之一。在这里,我们回顾了最近的研究表明,BDNF决定的大小纹状体的支持未成熟的纹状体神经元在其起源的生存,促进成熟的纹状体神经元,并促进大脑发育过程中纹状体连接的建立。我们还研究了BDNF在维持成年期纹状体正常功能中的作用,总结了导致BDNF信号传导缺陷和随后的HD纹状体变性的机制,并强调了BDNF作为HD治疗靶点的潜在作用。
The striatum, a major component of the basal ganglia, performs multiple functions including control of movement, reward, and addiction. Dysfunction and death of striatal neurons are the main causes for the motor disorders associated with Huntington’s disease (HD). Brain-derived neurotrophic factor (BDNF), a member of the neurotrophin family, is among factors that promote survival and proper function of this neuronal population. Here, we review recent studies showing that BDNF determines the size of the striatum by supporting survival of the immature striatal neurons at their origin, promotes maturation of striatal neurons, and facilitates establishment of striatal connections during brain development. We also examine the role of BDNF in maintaining proper function of the striatum during adulthood, summarize the mechanisms that lead to a deficiency in BDNF signaling and subsequently striatal degeneration in HD, and highlight a potential role of BDNF as a therapeutic target for HD treatment.
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