Distinct conformations of in vitro and in vivo amyloids of huntingtin-exon1 show different cytotoxicity

Abstract excerpt

A hallmark of polyglutamine diseases, including Huntington disease (HD), is the formation of beta-sheet-rich aggregates, called amyloid, of causative proteins with expanded polyglutamines. However, it has remained unclear whether the polyglutamine amyloid is a direct cause or simply a secondary manifestation of the pathology. Here we show that huntingtin-exon1 (thtt) with expanded polyglutamines remarkably...

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