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Title: Anti-cholinergic alkaloids as potential therapeutic agents for Alzheimer’s disease: An in silico approach
Authors: Naaz, Huma
Singh, Swati
Pandey, Veda P
Singh, Priyanka
Dwivedi, Upendra N
Keywords: Anti-cholinergic;Anti-cholinesterase;Alkaloids;Alzheimer’s disease;Pleiocarpine;Molecular docking;Pleiocarpine
Issue Date: Apr-2013
Publisher: NISCAIR-CSIR, India
Abstract: Alzheimer’s disease (AD), a progressive neurodegenerative disorder with many cognitive and neuropsychiatric symptoms is biochemically characterized by a significant decrease in the brain neurotransmitter acetylcholine (ACh). Plant-derived metabolites, including alkaloids have been reported to possess neuroprotective properties and are considered to be safe, thus have potential for developing effective therapeutic molecules for neurological disorders, such as AD. Therefore, in the present study, thirteen plant-derived alkaloids, namely pleiocarpine, kopsinine, pleiocarpamine (from Pleiocarpa mutica, family: Annonaceae), oliveroline, noroliveroline, liridonine, isooncodine, polyfothine, darienine (from Polyalthia longifolia, family: Apocynaceae) and eburnamine, eburnamonine, eburnamenine and geissoschizol (from Hunteria zeylanica, family: Apocynaceae) were analyzed for their anti-cholinergic action through docking with acetylcholinesterase (AChE) as target. Among the alkaloids, pleiocarpine showed promising anti-cholinergic potential, while its amino derivative showed about six-fold higher anti-cholinergic potential than pleiocarpine. Pleiocarpine and its amino derivative were found to be better inhibitors of AChE, as compared to commonly used drugs tacrine (brand name: Cognex) and rivastigmine (brand name: Exelon), suggesting development of these molecules as potential therapeutics in future.
Page(s): 120-125
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJBB Vol.50(2) [April 2013]

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