alexa Targeting oligomers in neurodegenerative disorders: lessons from α-synuclein, tau, and amyloid-β peptide.


Journal of Alzheimers Disease & Parkinsonism

Author(s): Gadad BS, Britton GB, Rao KS, Gadad BS, Britton GB, Rao KS

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Abstract Neurodegenerative disorders such as Alzheimer's disease, Parkinson's disease, Prion disease, Huntington's disease, and amyotrophic lateral sclerosis are increasingly being realized to have common cellular and molecular mechanisms including protein aggregation and inclusion body formation in selected brain regions. The aggregates usually consist of insoluble fibrillar aggregates containing misfolded protein with β-sheet conformation. The most probable explanation is that inclusions and the aggregates symbolize an end stage of a molecular cascade of several events, and that earlier event in the cascade may be more directly tied up to pathogenesis than the inclusions themselves. Small intermediates termed as 'soluble oligomers' in the aggregation process might influence synaptic dysfunction, whereas large, insoluble deposits might function as reservoir of the bioactive oligomers. Compelling evidence suggests the role of misfolded proteins in the form of oligomers might lead to synaptic dysfunction, neuronal apoptosis and brain damage. However, the mechanism by which oligomers trigger neurodegeneration still remains mysterious. The aim of this article is to review the literature around the molecular mechanism and role of oligomers in neurodegeneration and leading approaches toward rational therapeutics. This article was published in J Alzheimers Dis and referenced in Journal of Alzheimers Disease & Parkinsonism

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