Interactions of α-synuclein oligomers with lipid membranes

被引:53
作者
Musteikyte, Greta [1 ]
Jayaram, Akhila K. [1 ,2 ]
Xu, Catherine K. [1 ]
Vendruscolo, Michele [1 ]
Krainer, Georg [1 ]
Knowles, Tuomas P. J. [1 ,2 ]
机构
[1] Univ Cambridge, Ctr Misfolding Dis, Yusuf Hamied Dept Chem, Lensfield Rd, Cambridge CB2 1EW, England
[2] Univ Cambridge, Cavendish Lab, JJ Thomson Ave, Cambridge CB3 OHE, England
来源
BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES | 2021年 / 1863卷 / 04期
基金
英国工程与自然科学研究理事会; 欧洲研究理事会; 英国生物技术与生命科学研究理事会;
关键词
Alpha-synuclein; Oligomers; Lipids; Aggregation; Membranes; Parkinson's disease; PARKINSONS-DISEASE; LEWY BODY; VESICLE PERMEABILIZATION; UNILAMELLAR VESICLES; PHOSPHOLIPID-BINDING; BILAYER NANODISCS; EXTENDED-HELIX; BROKEN HELIX; N-TERMINUS; IN-VITRO;
D O I
10.1016/j.bbamem.2020.183536
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Parkinson's disease is an increasingly prevalent and currently incurable neurodegenerative disorder. At the molecular level, this disease is characterized by the formation of aberrant intracellular protein deposits known as Lewy bodies. Oligomeric forms of the protein alpha-synuclein (alpha S), which are believed to be both intermediates and by-products of Lewy body formation, are considered to be the main pathogenic species. Interactions of such oligomers with lipid membranes are increasingly emerging as a major molecular pathway underpinning their toxicity. Here we review recent progress in our understanding of the interactions of alpha S oligomers with lipid membranes. We highlight key structural and biophysical features of alpha S oligomers, the effects of these features on alpha S oligomer membrane binding properties, and resultant implications for understanding the etiology of Parkinson's disease. We discuss mechanistic modes of alpha S oligomer-lipid membrane interactions and the effects of environmental factors to such modes. Finally, we provide an overview of the current understanding of the main molecular determinants of alpha S oligomer toxicity in vivo.
引用
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页数:15
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