Test pro hodnocení inhibitorů tvorby α -synukleinových amyloidních fibril v buňkách

Galkin, Maksym

Parkinson's disease (PD) is the second most common neurodegenerative disease worldwide and has no cure yet. During PD progressive neuronal loss is accompanied by the formation of Lewy Bodies - abnormal intracellular aggregates, which are mostly formed by fibrils of neuronal protein α-synuclein (αSyn). Aggregation of αSyn was shown to correlate with the pathology progression during PD. Therefore, inhibition of αSyn aggregation and subsequent pathology spreading is a promising approach to the disease treatment. In previous years, a high variety of such inhibitors were developed including small molecules, antibodies, and fibril end-targeting proteins. While these inhibitors were profoundly tested in solutions, their performance in cell- based assays remained unclear. The main reason for this was the absence of a reliable high-throughput cell-based assay for αSyn aggregation evaluation. The application of such an assay is particularly important in the case of molecules that target amyloid fibrils because they can lack specificity and interact with other β-sheet rich proteins present in cells. Moreover, the application of the inhibitors can be severely limited due to poor membrane penetration, intracellular degradation or off-target interactions. The main goal of my work is the development of an assay...

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