期刊
MOLECULAR NEURODEGENERATION
卷 9, 期 -, 页码 -出版社
BMC
DOI: 10.1186/1750-1326-9-43
关键词
Tau; MAPT; Synuclein; SNCA; Oligomers; Tangles; Synucleinopathy; Tauopathy; Parkinson's disease; Alzheimer's disease
资金
- Mayo Clinic
- NIH [NS063963]
- NINDS R01 [NS078086]
- Mayo Clinic Florida is a Morris K. Udall Parkinson's Disease Research Center of Excellence (NINDS P50) [NS072187]
The accumulation of alpha-synuclein aggregates is the hallmark of Parkinson's disease, and more generally of synucleinopathies. The accumulation of tau aggregates however is classically found in the brains of patients with dementia, and this type of neuropathological feature specifically defines the tauopathies. Nevertheless, in numerous cases alpha-synuclein positive inclusions are also described in tauopathies and vice versa, suggesting a co-existence or crosstalk of these proteinopathies. Interestingly, alpha-synuclein and tau share striking common characteristics suggesting that they may work in concord. Tau and alpha-synuclein are both partially unfolded proteins that can form toxic oligomers and abnormal intracellular aggregates under pathological conditions. Furthermore, mutations in either are responsible for severe dominant familial neurodegeneration. Moreover, tau and alpha-synuclein appear to promote the fibrillization and solubility of each other in vitro and in vivo. This suggests that interactions between tau and alpha-synuclein form a deleterious feed-forward loop essential for the development and spreading of neurodegeneration. Here, we review the recent literature with respect to elucidating the possible links between alpha-synuclein and tau.
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