Marine Natural Products as Acetylcholinesterase Inhibitor: Comparative Quantum Mechanics and Molecular Docking Study

ISSN: 1875-6697 (Online)
ISSN: 1573-4099 (Print)

Volume 11, 4 Issues, 2015

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Current Computer-Aided Drug Design

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Subhash C. Basak
Departments of Chemistry, Biochemistry & Molecular Biology University of Minnesota Duluth
Duluth, MN 55811

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Marine Natural Products as Acetylcholinesterase Inhibitor: Comparative Quantum Mechanics and Molecular Docking Study

Current Computer-Aided Drug Design, 10(1): 83-95.

Author(s): Maryam Farrokhnia and Iraj Nabipour.

Affiliation: Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr 75147-63448, Iran.


Alzheimer's disease (AD) is the most common form of dementia which affects the elderly population throughout the world. The inhibition of acetylcholinesterase (AChE) has appeared as one of the most promising strategies for the AD treatment. In this study, the density functional theory and molecular docking studies have been carried out on seven halogenated sesquiterpenes derived from the Persian Gulf sea hare, Aplysia dactylomela, to reveal their electronic, structural and chemical properties. Moreover, influences of these properties on their AChE-inhibition properties have been investigated theoretically. The results indicate that these compounds have several interactions with important residues of AChE active sites. Three of the investigated molecules correlate better to well-known AD drugs such as huperzine A, galanthamine and donepezil which represent possible AChE inhibitors against Alzheimer disease. In conclusion, the information obtained from this theoretical study may aid in the discovery of new potential AChE inhibitors with marine origin.


Acetylcholinesterase inhibitors, Alzheimer, inhibition constant, marine halogenated sesquiterpenes, molecular docking.

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Article Details

Volume: 10
Issue Number: 1
First Page: 83
Last Page: 95
Page Count: 13
DOI: 10.2174/1573409910666140408155615

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