Reelin Promotes Peripheral Synapse Elimination and Maturation

Reelin Promotes Peripheral Synapse Elimination and Maturation
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Reelin 促进外周突触消除和成熟

DOI:
10.1126/science.1082690
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发表时间:
2003
期刊:
影响因子:
56.9
通讯作者:
G. D’Arcangelo
G. D’Arcangelo
中科院分区:
综合性期刊1区
文献类型:
--
作者:
C. Quattrocchi;Cheng Huang;Sanyong Niu;M. Sheldon;David Benhayon;Joiner Cartwright;D. Mosier;F. Keller;G. D’Arcangelo

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Reelin 是一种细胞外蛋白,对于胚胎大脑层的形成至关重要。在这里,我们证明 Reelin 在出生后发挥调节神经肌肉接头发育的作用。 Reelin 是运动终板成熟和适当的神经肌肉连接所必需的,它直接促进突触消除。与层形成不同,神经肌肉接头发育需要 Reelin 的功能,该功能不是由 Disabled1 或极低密度脂蛋白受体和载脂蛋白 E 受体 2 受体介导,而是由涉及其蛋白酶活性的独特机制介导。
Reelin is an extracellular protein that is crucial for layer formation in the embryonic brain. Here, we demonstrate that Reelin functions postnatally to regulate the development of the neuromuscular junction. Reelin is required for motor end-plate maturation and proper nerve-muscle connectivity, and it directly promotes synapse elimination. Unlike layer formation, neuromuscular junction development requires a function of Reelin that is not mediated by Disabled1 or very-low-density lipoprotein receptors and apolipoprotein E receptor 2 receptors but by a distinct mechanism involving its protease activity.