关键词: Tau dynamin 1 endocytosis miR-132

Mesh : Alzheimer Disease / metabolism Animals Dynamin I / metabolism Endocytosis / genetics Humans Methyl-CpG-Binding Protein 2 / metabolism Mice MicroRNAs / metabolism Neurons / metabolism tau Proteins / genetics metabolism

来  源:   DOI:10.1111/acel.12929   PDF(Sci-hub)   PDF(Pubmed)

Abstract:
Tauopathies are a class of neurodegenerative diseases that are characterized by pathological aggregation of tau protein, which is accompanied by synaptic disorders. However, the role of tau in endocytosis, a fundamental process in synaptic transmission, remains elusive. Here, we report that forced expression of human tau (hTau) in mouse cortical neurons impairs endocytosis by decreasing the level of the GTPase dynamin 1 via disruption of the miR-132-MeCP2 pathway; this process can also be detected in the brains of Alzheimer\'s patients and hTau mice. Our results provide evidence for a novel role of tau in the regulation of presynaptic function.
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