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- W4313646429 abstract "The bryozoan Flustra foliacea produces a range of indole alkaloids, and some have shown weak antibiotic, muscle-relaxant and cytotoxic properties; however, most of them have not been tested for bioactivity. Many of these alkaloids possess a physostigmine scaffold, and physostigmine is a well-known acetylcholinesterase (AChE) inhibitor. AChE inhibitors are of interest as drug leads in neurodegenerative diseases and are currently used in symptomatic treatment of Alzheimer’s disease (AD). In this study, the AChE inhibitory activity of Flustra alkaloids was studied in vitro using the colorimetric method of Ellman and AChE from Electrophorus electricus. Twenty-five compounds isolated from the Icelandic bryozoan F. foliacea were screened at a 100 µM concentration. Two of them, flustramine E and flustramine I, showed inhibition of 48%, and flustramine Q showed 82% inhibition. For flustramine Q, the IC50 was 9.6 µM. Molecular modelling and docking studies indicated that simple in silico designed derivatives of flustramine Q could have potential for increased potency. Marine natural products including brominated indole alkaloids from Flustra foliacea are an interesting new source of AChE inhibitors with potential towards central nervous system disorders, e.g., Alzheimer’s disease." @default.
- W4313646429 created "2023-01-07" @default.
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- W4313646429 date "2023-01-06" @default.
- W4313646429 modified "2023-09-30" @default.
- W4313646429 title "Flustramine Q, a Novel Marine Origin Acetylcholinesterase Inhibitor from Flustra foliacea" @default.
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- W4313646429 doi "https://doi.org/10.3390/futurepharmacol3010003" @default.
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