Coarse-grained and All-atom Simulations towards the Early and Late Steps of Amyloid Fibril Formation

被引:19
作者
Chiricotto, Mara [1 ]
Thanh Thuy Tran [1 ]
Nguyen, Phuong H. [1 ]
Melchionna, Simone [2 ]
Sterpone, Fabio [1 ]
Derreumaux, Philippe [1 ]
机构
[1] Univ Paris Diderot, UPR CNRS 9080, Lab Biochim Theor, Sorbonne Paris Cite,IBPC, 13 Rue Pierre & Marie Curie, F-75005 Paris, France
[2] CNR, Ist Sistemi Complessi, Ple A Moro 2, I-00185 Rome, Italy
基金
欧洲研究理事会;
关键词
Alzheimer's disease; amyloid simulations; computational chemistry; mutations; oligomerization; BETA-PROTEIN OLIGOMERIZATION; PROTECTIVE A2T MUTATION; OPEP FORCE-FIELD; ALZHEIMERS-DISEASE; A-BETA(16-22) PEPTIDE; PRIMARY NUCLEATION; A-BETA-1-40; DIMER; ENERGY LANDSCAPE; AGGREGATION; DYNAMICS;
D O I
10.1002/ijch.201600048
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Alzheimer's disease is the most common neurodegenerative disease. Experiments and computer simulations can complement one another to provide a full and in-depth understanding of many aspects in the amyloid field at the atomistic level. Here, we review results of our coarse-grained and all-atom simulations in aqueous solution aimed at determining: 1) early aggregation steps of short linear peptides; 2) nucleation size number; 3) solution structure of the A beta(1-40)/A beta(1-42) wild-type dimers; 4) impact of FAD (familial forms of Alzheimer's disease) mutations on the structure of A beta(1-40)/A beta(1-42) dimers; and 5) impact of protective mutations on the structure of A beta(1-40)/A beta(1-42) dimers.
引用
收藏
页码:564 / 573
页数:10
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