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Design and synthesis of multi-target directed 1,2,3-triazole-dimethylaminoacryloyl-chromenone derivatives with potential use in Alzheimer's disease.


ABSTRACT: To discover multifunctional agents for the treatment of Alzheimer's disease (AD), a new series of 1,2,3-triazole-chromenone derivatives were designed and synthesized based on the multi target-directed ligands approach. The in vitro biological activities included acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) inhibition as well as anti-A? aggregation, neuroprotective effects, and metal-chelating properties. The results indicated a highly selective BuChE inhibitory activity with an IC50 value of 21.71 ?M for compound 10h as the most potent compound. Besides, compound 10h could inhibit self-induced A?1-42 aggregation and AChE-induced A? aggregation with 32.6% and 29.4% inhibition values, respectively. The Lineweaver-Burk plot and molecular modeling study showed that compound 10h targeted both the catalytic active site (CAS) and peripheral anionic site (PAS) of BuChE. It should be noted that compound 10h was able to chelate biometals. Thus, the designed scaffold could be considered as multifunctional agents in AD drug discovery developments.

SUBMITTER: Karimi Askarani H 

PROVIDER: S-EPMC7592376 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Design and synthesis of multi-target directed 1,2,3-triazole-dimethylaminoacryloyl-chromenone derivatives with potential use in Alzheimer's disease.

Karimi Askarani Hajar H   Iraji Aida A   Rastegari Arezoo A   Abbas Bukhari Syed Nasir SN   Firuzi Omidreza O   Akbarzadeh Tahmineh T   Saeedi Mina M  

BMC chemistry 20201027 1


To discover multifunctional agents for the treatment of Alzheimer's disease (AD), a new series of 1,2,3-triazole-chromenone derivatives were designed and synthesized based on the multi target-directed ligands approach. The in vitro biological activities included acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) inhibition as well as anti-Aβ aggregation, neuroprotective effects, and metal-chelating properties. The results indicated a highly selective BuChE inhibitory activity with an  ...[more]

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