期刊
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 231, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2022.114139
关键词
Indanones; Aurones; Alzheimer's disease; Tau aggregation; AcPHF6 peptide
资金
- Labex Arcane
- CBH-EUR-GS [ANR-17-EURE-0003]
- NeuroCoG IDEX UGA [ANR-15IDEX-02]
Tauopathies, such as Alzheimer's disease, are neurodegenerative diseases that require effective treatment. This study identified the importance of hydroxylation pattern in the activity of potential inhibitors. Additionally, the three-dimensional shape of the molecules determines their interaction mode with the target.
Tauopathies, such as Alzheimer's disease, have been the subject of several hypotheses regarding the way to treat them. Hyperphosphorylation of tau protein leading to its aggregation is widely recognized as a key step in the development of these diseases resulting in neuronal dysfunction. The AcPHF6 model of tau that includes the shorter critical fragment involved in the protein aggregation was used in vitro to identify new potential inhibitors. Following a previous study on aurone derivatives, we herein compare this polyphenol family to a very close one, the benzylidene-2,3-dihydro-1H-inden-1-one (also named indanone). The structure activity relationship studies bring to light the importance of the hydroxylation pattern in both series: the more hydroxylated, the more active. In addition, the three-dimensional shape of the molecules is involved in their interaction mode with their target, thus defining their role either as inhibitors of fiber elongation or as fiber-binding molecules. Indanone 13a was identified as a promising inhibitor: its activity was confirmed by circular dichroism and atomic force microscopy studies.(c) 2022 Elsevier Masson SAS. All rights reserved.
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