期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 28, 期 22, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2020.115721
关键词
Alzheimer's disease; Acetylcholinesterase (AChE); Butyrylcholinesterase (BChE); beta-secretase-1 (BACE-1); A beta aggregation; Molecular hybridization Multi-targeting
资金
- Department of Health Research, Ministry of Health and Family Welfare (MHFW), Govt. of India [V25011/215HRD/2016-HR]
Multitarget molecular hybrids of N-benzyl pyrrolidine derivatives were designed, synthesized, and biologically evaluated for the treatment of Alzheimer's disease (AD). Among the synthesized compounds, 4k and 4o showed balanced enzyme inhibitions against cholinesterases (AChE and BChE) and BACE-1. Both leads showed considerable PAS-AChE binding capability, excellent brain permeation, potential disassembly of A beta aggregates, and neuroprotective activity against A beta-induced stress. Compounds 4k and 4o also ameliorated cognitive dysfunction against the scopolamine-induced amnesia model in the Y-maze test. The ex vivo study signified attenuated brain AChE activity and antioxidant potential of compounds 4k and 4o. Furthermore, compound 4o also showed improvement in A beta-induced cognitive dysfunction by the Morris water maze test with excellent oral absorption characteristics ascertained by the pharmacokinetic study. In silico molecular docking and dynamics simulation studies of leads suggested their consensual binding affinity toward PAS-AChE in addition to aspartate dyad of BACE-1.
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