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Anti-amyloid Aggregation Activity of Natural Compounds: Implications for Alzheimer's Drug Discovery.

Abstract：

:Several plant-derived natural compounds are known to exhibit anti-amyloid aggregation activity which makes them attractive as potential therapies to treat Alzheimer's disease. The mechanisms of their anti-amyloid activity are not well known. In this regard, many natural compounds are known to exhibit direct binding to various amyloid species including oligomers and fibrils, which in turn can lead to conformational change in the beta-sheet assembly to form nontoxic aggregates. This review discusses the mechanism of anti-amyloid activity of 16 natural compounds and gives structural details on their direct binding interactions with amyloid aggregates. Our computational investigations show that the physicochemical properties of natural products do fit Lipinski's criteria and that catechol and catechol-type moieties present in natural compounds act as lysine site-specific inhibitors of amyloid aggregation. Based on these observations, we propose a structural template to design novel small molecules containing site-specific ring scaffolds, planar aromatic and nonaromatic linkers with suitably substituted hydrogen bond acceptors and donors. These studies will have significant implications in the design and development of novel amyloid aggregation inhibitors with superior metabolic stability and blood-brain barrier penetration as potential agents to treat Alzheimer's disease.

journal_name

Mol Neurobiol

journal_title

Molecular neurobiology

authors

Bu XL,Rao PPN,Wang YJ

doi

10.1007/s12035-015-9301-4

subject

Has Abstract

pub_date

2016-08-01 00:00:00

pages

3565-3575

issue

6

eissn

0893-7648

issn

1559-1182

pii

10.1007/s12035-015-9301-4

journal_volume

53

pub_type

杂志文章,评审

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