期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 120, 期 27, 页码 6555-6561出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcb.6b03828
关键词
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资金
- JSPS KAKENHI [24740296, 26102550]
- Okazaki Orion Project
- Grants-in-Aid for Scientific Research [16H00790, 26102550, 24740296, 16K18531] Funding Source: KAKEN
Oligomers of amyloid-beta peptides (A beta) are formed during the early stage of the amyloidogenesis process and exhibit neurotoxicity. The oligomer formation process of A beta and even that of A beta fragments are still poorly understood, though understanding of these processes is essential for remedying Alzheimer's disease. In order to better understand the oligomerization process of the C-terminal A beta fragment A beta(29-42) at the atomic level, we performed the Hamiltonian replica-permutation molecular dynamics simulation with A beta(29-42) molecules using the explicit water solvent model. We observed that oligomers increased in size through the sequential addition of monomers to the oligomer, rather than through the assembly of small oligomers. Moreover, solvent effects played an important role in this oligomerization process.
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