a(HBP:HBP00017)
Epigallocatechin-3-gallate (EGCG), a small molecule that been shown to inhibit the aggregation of several amyloidogenic proteins such as a-syn, amyloid-beta and huntingtin [9, 37, 38, 105] binds to unfolded native amyloid-beta and a-syn and promotes the formation of nontoxic oligomers that do not convert into amyloid fibrils [37]. PubMed:28803412
It also proved effective in cellu- lar models of PD, HD and AD 121,122 , as well as in mouse models of HD, AD and tauopathies, where it cleared aggregates, reduced neurodegeneration and ameliorated motor and cognitive performance 123–125 . PubMed:30116051
It also removed cellular aggregates of mutant Htt and improved motor performance in a mouse model of HD, reduced α-synuclein aggregation and afforded neuroprotection in a lesion-based model of PD and depleted mutant ataxin 3 in a mouse model of supraspinal cerebellar ataxia type 3 (REFS133,138,139) . PubMed:30116051
Another HSP90 inhibitor, HSP990, has shown promise in lowering Htt aggregates and improving motor performance in two mouse models of HD 225 . PubMed:30116051
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