MicroRNA-206 delays ALS progression and promotes regeneration of neuromuscular synapses in mice.

MicroRNA-206 delays ALS progression and promotes regeneration of neuromuscular synapses in mice.
复制标题

DOI:
10.1126/science.1181046
复制
发表时间:
2009-12-11
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Olson EN
Olson EN
中科院分区:
其他
文献类型:
--
作者:
Williams AH;Valdez G;Moresi V;Qi X;McAnally J;Elliott JL;Bassel-Duby R;Sanes JR;Olson EN

文献摘要

参考文献

被引文献

相似文献

肌萎缩侧索硬化症(ALS)是一种神经退行性疾病,可导致运动神经元丢失、靶肌肉失神经、肌肉萎缩和瘫痪。要了解肌萎缩侧索硬化症的发病机制,可能需要对神经肌肉突触的运动神经元和骨骼肌纤维之间的双向信号有更全面的了解。在这里,我们展示了这一信号的一个关键调节因子是miR-206,它是一种骨骼肌特异的microRNA,在ALS的小鼠模型中被戏剧性地诱导。MiR-206基因缺陷的小鼠在发育过程中形成正常的神经肌肉突触,但在ALS小鼠模型中,miR-206基因缺陷会加速疾病的发展。MIR-206是急性神经损伤后高效再生神经肌肉突触所必需的,这可能是其在ALS中有益作用的原因。MIR-206至少部分地通过组蛋白脱乙酰酶4和成纤维细胞生长因子信号通路来介导这些效应。因此,miR-206通过感知运动神经元损伤和促进神经肌肉突触的代偿性再生来减缓ALS的进展。
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease, resulting in loss of motor neurons, denervation of target muscles, muscle atrophy and paralysis. Understanding ALS pathogenesis may require a fuller understanding of the bidirectional signaling between motor neurons and skeletal muscle fibers at neuromuscular synapses. Here we show that a key regulator of this signaling is miR-206, a skeletal muscle-specific microRNA that is dramatically induced in a mouse model of ALS. Mice genetically deficient in miR-206 form normal neuromuscular synapses during development, but deficiency of miR-206 in the ALS mouse model accelerates disease progression. MiR-206 is required for efficient regeneration of neuromuscular synapses after acute nerve injury, which likely accounts for its salutary effects in ALS. MiR-206 mediates these effects, at least in part, through histone deacetylase 4 and fibroblast growth factor signaling pathways. Thus, miR-206 slows ALS progression by sensing motor neuron injury and promoting compensatory regeneration of neuromuscular synapses.
DOI: 10.1074/jbc.m805729200
发表时间: 2008-12-05
影响因子: 4.8
作者:
Umemori, Hisashi;Sanes, Joshua R.
通讯作者: Sanes, Joshua R.
DOI: 10.1073/pnas.0602831103
发表时间: 2006-06-06
影响因子: 11.1
作者:
Rao, Prakash K.;Kumar, Roshan M.;Lodish, Harvey F.
通讯作者: Lodish, Harvey F.
DOI: 10.1074/jbc.m706268200
发表时间: 2007-11-16
影响因子: 4.8
作者:
Cohen, Todd J.;Waddell, David S.;Yao, Tso-Pang
通讯作者: Yao, Tso-Pang
DOI: 10.1038/nn1653
发表时间: 2006-03-01
影响因子: 25
作者:
Pun, S;Santos, AF;Caroni, P
通讯作者: Caroni, P
DOI: 10.1126/science.1166066
发表时间: 2009-02-27
期刊: SCIENCE
影响因子: 56.9
作者:
Kwiatkowski, T. J., Jr.;Bosco, D. A.;Brown, R. H., Jr.
通讯作者: Brown, R. H., Jr.