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Tytuł:
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New 3- O -substituted xanthone derivatives as promising acetylcholinesterase inhibitors.
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Autorzy:
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Loh ZH; School of Biosciences, Taylor's University, Lakeside Campus, Subang Jaya, Malaysia.
Kwong HC; School of Chemical Sciences, Universiti Sains Malaysia, George Town, Malaysia.
Lam KW; Drug and Herbal Research Centre, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia.
Teh SS; Energy and Environment Unit, Engineering and Processing Division, Malaysian Palm Oil Board, Bandar Baru Bangi, Malaysia.
Ee GCL; Department of Chemistry, Faculty of Science, University Putra Malaysia, Serdang, Malaysia.
Quah CK; X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, George Town, Malaysia.
Ho ASH; School of Biosciences, Taylor's University, Lakeside Campus, Subang Jaya, Malaysia.
Mah SH; School of Biosciences, Taylor's University, Lakeside Campus, Subang Jaya, Malaysia.; Centre for Drug Discovery and Molecular Pharmacology, Faculty of Health and Medical Sciences, Taylor's University, Lakeside Campus.
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Źródło:
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Journal of enzyme inhibition and medicinal chemistry [J Enzyme Inhib Med Chem] 2021 Dec; Vol. 36 (1), pp. 627-639.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Original Publication: Basingstoke, UK : Taylor & Francis, c2002-
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MeSH Terms:
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Acetylcholinesterase/*metabolism
Butyrylcholinesterase/*metabolism
Cholinesterase Inhibitors/*pharmacology
Xanthones/*pharmacology
Animals ; Cholinesterase Inhibitors/chemical synthesis ; Cholinesterase Inhibitors/chemistry ; Crystallography, X-Ray ; Dose-Response Relationship, Drug ; Electrophorus ; Horses ; Models, Molecular ; Molecular Structure ; Structure-Activity Relationship ; Xanthones/chemical synthesis ; Xanthones/chemistry
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References:
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Contributed Indexing:
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Keywords: Alzheimer’s disease; enzyme kinetic study; molecular docking; structure–activity relationship study; synthesis
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Substance Nomenclature:
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0 (Cholinesterase Inhibitors)
0 (Xanthones)
9749WEV0CA (xanthone)
EC 3.1.1.7 (Acetylcholinesterase)
EC 3.1.1.8 (Butyrylcholinesterase)
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Entry Date(s):
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Date Created: 20210209 Date Completed: 20210615 Latest Revision: 20220118
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Update Code:
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20240104
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PubMed Central ID:
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PMC8759733
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DOI:
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10.1080/14756366.2021.1882452
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PMID:
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33557647
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A new series of 3- O -substituted xanthone derivatives were synthesised and evaluated for their anti-cholinergic activities against acetylcholinesterase (AChE) and butyrylcholinesterase (BChE). The results indicated that the xanthone derivatives possessed good AChE inhibitory activity with eleven of them ( 5 , 8 , 11 , 17 , 19 , 21 - 23 , 26 - 28 ) exhibited significant effects with the IC 50 values ranged 0.88 to 1.28 µM. The AChE enzyme kinetic study of 3-(4-phenylbutoxy)-9 H -xanthen-9-one ( 23 ) and ethyl 2-((9-oxo-9 H -xanthen-3-yl)oxy)acetate ( 28 ) showed a mixed inhibition mechanism. Molecular docking study showed that 23 binds to the active site of AChE and interacts via extensive π-π stacking with the indole and phenol side chains of Trp86 and Tyr337, besides the hydrogen bonding with the hydration site and π-π interaction with the phenol side chain of Y72. This study revealed that 3- O -alkoxyl substituted xanthone derivatives are potential lead structures, especially 23 and 28 which can be further developed into potent AChE inhibitors.
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