Abstract:Aggregation of mutant Huntingtin protein (mHtt) leads to neuronal cell death and human disease. We investigated the effect of inclusion formation on yeast cells. Previous work indicates that mHtt protein moves both in and out of inclusions, potentially undergoing refolding in the inclusion. However, the sustained influx of unfolded protein into an inclusion leads to a dramatic change from a phase-separated body to an irregular, less soluble form at a threshold inclusion size. Altered morphology was associated … Show more
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