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SARS-COV-2 spike protein fragment eases amyloidogenesis of α-synuclein. | LitMetric

SARS-COV-2 spike protein fragment eases amyloidogenesis of α-synuclein.

J Chem Phys

Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, USA.

Published: July 2023

AI Article Synopsis

Article Abstract

Parkinson's disease is accompanied by the presence of amyloids in the brain that are formed of α-synuclein chains. The correlation between COVID-19 and the onset of Parkinson's disease led to the idea that amyloidogenic segments in SARS-COV-2 proteins can induce aggregation of α-synuclein. Using molecular dynamic simulations, we show that the fragment FKNIDGYFKI of the spike protein, which is unique for SARS-COV-2, preferentially shifts the ensemble of α-synuclein monomer toward rod-like fibril seeding conformations and, at the same time, differentially stabilizes this polymorph over the competing twister-like structure. Our results are compared with earlier work relying on a different protein fragment that is not specific for SARS-COV-2.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10328560PMC
http://dx.doi.org/10.1063/5.0157331DOI Listing

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