Importance of lipids for upper motor neuron health and disease.

Importance of lipids for upper motor neuron health and disease.
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DOI:
10.1016/j.semcdb.2020.11.004
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发表时间:
2021-04
影响因子:
7.3
通讯作者:
Ozdinler PH
Ozdinler PH
中科院分区:
生物学2区
文献类型:
--
作者:
Gunay A;Shin HH;Gozutok O;Gautam M;Ozdinler PH

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越来越多的证据表明,维持脂质稳态对神经元的健康和功能的重要性,上运动神经元(UMN)也不例外。UMN对于自主运动的启动和调节至关重要,因为它们负责将大脑皮层的输入传递到脊髓目标。为了维持其独特的细胞结构,突出的顶端树突和非常长的轴突,UMN需要一个稳定的细胞膜,脂质双层。脂质可以作为许多生物分子的构建块,它们也有助于能量的产生。因此,UMN需要持续控制脂质的产生、利用和体内平衡。脂质体内平衡的紊乱导致UMN的脆弱性和进行性变性,如遗传性痉挛性截瘫(HSP)和原发性侧索硬化症(PLS)。在这里,我们讨论脂质的重要性,特别是对UMN。
Building evidence reveals the importance of maintaining lipid homeostasis for the health and function of neurons, and the upper motor neurons (UMNs) are no exception. UMNs are critically important for the initiation and modulation of voluntary movement as they are responsible for conveying the cerebral cortex’ input to spinal cord targets. To maintain their unique cytoarchitecture with a prominent apical dendrite and a very long axon, UMNs require a stable cell membrane, a lipid bilayer. Lipids can act as building blocks for many biomolecules, and they also contribute to the production of energy. Therefore, UMNs require sustained control over the production, utilization and homeostasis of lipids. Perturbations of lipid homeostasis lead to UMN vulnerability and progressive degeneration in diseases such as hereditary spastic paraplegia (HSP) and primary lateral sclerosis (PLS). Here, we discuss the importance of lipids, especially for UMNs.
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