The role of synaptic microRNAs in Alzheimer's disease.

The role of synaptic microRNAs in Alzheimer's disease.
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突触microRNA在阿尔茨海默氏病中的作用。

DOI:
10.1016/j.bbadis.2020.165937
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发表时间:
2020-12-01
期刊:
Biochimica et biophysica acta. Molecular basis of disease
影响因子:
--
通讯作者:
Reddy PH
Reddy PH
中科院分区:
其他
文献类型:
--
作者:
Kumar S;Reddy PH

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结构和功能上活跃的突触对于神经传递和维持正常的突触和认知功能是必不可少的。研究人员发现,突触功能障碍与阿尔茨海默病(AD)等神经退行性疾病的发生和进展有关,突触功能障碍甚至是AD的主要生理特征之一。miRNA存在于神经元的小的亚细胞区室中,如神经树突、突触囊泡和突触体,被称为突触miRNA。突触miRNAs参与控制多种突触功能,导致健康的大脑功能和突触活动。然而,突触miRNA在AD进展中的确切作用尚未确定。本文着重介绍了miRNAs在突触中的存在、突触区室以及miRNAs在多种突触功能中的作用。我们主要研究AD中突触miRNAs的改变,以及miRNAs的调节如何影响AD中的突触功能。我们还讨论了突触miRNAs在AD进展中对突触ATP产生、线粒体功能和突触活性的影响。
Structurally and functionally active synapses are essential for neurotransmission and for maintaining normal synaptic and cognitive functions. Researchers have found that synaptic dysfunction is associated with the onset and progression of neurodegenerative diseases, such as Alzheimer’s disease (AD), and synaptic dysfunction is even one of the main physiological hallmarks of AD. MiRNAs are present in small, subcellular compartments of the neuron such as neural dendrites, synaptic vesicles, and synaptosomes are known as synaptic miRNAs. Synaptic miRNAs involved in governing multiple synaptic functions that lead to healthy brain functioning and synaptic activity. However, the precise role of synaptic miRNAs has not been determined in AD progression. This review emphasizes the presence of miRNAs at the synapse, synaptic compartments and roles of miRNAs in multiple synaptic functions. We focused on synaptic miRNAs alteration in AD, and how the modulation of miRNAs effect the synaptic functions in AD. We also discussed the impact of synaptic miRNAs in AD progression concerning the synaptic ATP production, mitochondrial function, and synaptic activity.
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