Journal
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
Volume 183, Issue -, Pages -Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2019.111737
Keywords
Alzheimer's disease; Chalcone-O-Alkylamine derivatives; Multi-functional agents; Rational design; Synthesis; Precognitive effect
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Funding
- Special Project of Nanyang Normal University [SYKF201808, 12019QN001]
- Graduate Innovation Fund Project of Nanyang Normal University [02]
- Foundation and Frontier Projects of Nanyang Science and Technology Bureau [2017JCQY020, 2017 JCQY021]
- China Scholarship Council [201808410456]
- Key Scientific Research Project of Colleges and Universities in Henan Province [20A350006]
- National Science Foundation of China [21861142007]
- Biological Resources Network of Chinese Academy of Sciences [ZSTH-030]
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A series of novel chalcone-O-alkylamine derivatives were designed, synthesized and evaluated as multifunctional anti-Alzheimer's disease agents. Based on the experimental results, compound 23c exhibited good inhibitory potency on both acetylcholinesterase (IC50 = 1.3 +/- 0.01 mu M) and butyrylcholinesterase (IC50 = 1.2 +/- 0.09 mu M). Besides, 23c exhibited selective MAO-B inhibitory activity with IC50 value of 0.57 +/- 0.01 mu M. Compound 23c was also a potential antioxidant and neuroprotectant. In addition, compound 23c could inhibit self-induced A beta(1-42) aggregation. Moreover, compound 23c was a selective metal chelator, and could inhibit and disaggregate Cu2+-induced A beta(1-42) aggregation, which was supported by the further transmission electron microscopy images. Furthermore, 23c could cross the blood-brain barrier in vitro, and improved scopolamine-induced memory impairment in vivo assay. Molecular modeling studies showed that 23c could bind to the active site of AChE, BuChE, A beta(1-42) and MAO-B. Taken together, these results suggested that compound 23c might be a potential multifunctional agent for the treatment of AD. (C) 2019 Elsevier Masson SAS. All rights reserved.
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