Self-assembly of Cu(II) with amyloid β19-20 peptide: relevant to Alzheimer's disease

被引:6
|
作者
Shen, Xiaofang [1 ]
Deng, Xiaorong [1 ]
Pang, Yuehong [1 ]
机构
[1] Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China
来源
RSC ADVANCES | 2014年 / 4卷 / 42期
基金
中国国家自然科学基金;
关键词
BETA-PEPTIDE; COPPER COORDINATION; SECONDARY STRUCTURE; NANOSTRUCTURES; NANOTUBES; AGGREGATION; DEMENTIA; PROTEIN; NEURODEGENERATION; FIBRILLIZATION;
D O I
10.1039/c4ra02758b
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Amyloid-beta (A beta) peptide A beta 19-20 tends to self-assemble into wellordered tubular structures under physiological conditions, while in the presence of equimolar Cu(II), they assembled into homogeneous microvesicles; a chelator can competitively bind to Cu(II) from the Cu(II)-A beta 19-20 complex, resulting in reforming of the peptide tubular structure.
引用
收藏
页码:21840 / 21843
页数:4
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