Journal
ACTA NEUROPATHOLOGICA
Volume 130, Issue 5, Pages 619-631Publisher
SPRINGER
DOI: 10.1007/s00401-015-1483-3
Keywords
Alzheimer's disease; Tauopathy; Tau; Protein aggregation; Anle138b; Tau aggregation inhibitor
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Funding
- German Center for Neurodegenerative Diseases (DZNE)
- German research foundation (DFG) [SFB1089, KFO177]
- Centers of Excellence in Neurodegeneration (CoEN)
- European Union
- Max Planck Society
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Pathological tau aggregation leads to filamentous tau inclusions and characterizes neurodegenerative tauopathies such as Alzheimer's disease and frontotemporal dementia and parkinsonism linked to chromosome 17. Tau aggregation coincides with clinical symptoms and is thought to mediate neurodegeneration. Transgenic mice overexpressing mutant human P301S tau exhibit many neuropathological features of human tauopathies including behavioral deficits and increased mortality. Here, we show that the di-phenyl-pyrazole anle138b binds to aggregated tau and inhibits tau aggregation in vitro and in vivo. Furthermore, anle138b treatment effectively ameliorates disease symptoms, increases survival time and improves cognition of tau transgenic PS19 mice. In addition, we found decreased synapse and neuron loss accompanied by a decreased gliosis in the hippocampus. Our results suggest that reducing tau aggregates with anle138b may represent an effective and promising approach for the treatment of human tauopathies.
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