Searching for Multi-Targeting Neurotherapeutics against Alzheimer’s: Discovery of Potent AChE-MAO B Inhibitors through the Decoration of the 2H-Chromen-2-one Structural Motif
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Título: | Searching for Multi-Targeting Neurotherapeutics against Alzheimer’s: Discovery of Potent AChE-MAO B Inhibitors through the Decoration of the 2H-Chromen-2-one Structural Motif |
Autor/a: | PISANI, Leonardo Farina, Roberta Soto-Otero, Ramón DENORA, Nunzio Mangiatordi, Giuseppe Felice Nicolotti, Orazio CATTO, Marco Carotti, Angelo |
Centro/Departamento: | Universidade de Santiago de Compostela. Departamento de Bioquímica e Bioloxía Molecular |
Palabras chave: | Alzheimer’s disease | Cholinesterase inhibitors | Coumarins | MAO inhibitors | Multi-target-directed ligands | |
Data: | 2016-03-17 |
Editor: | MDPI |
Cita bibliográfica: | Pisani, L.; Farina, R.; Soto-Otero, R.; Denora, N.; Mangiatordi, G.F.; Nicolotti, O.; Mendez-Alvarez, E.; Altomare, C.D.; Catto, M.; Carotti, A. Searching for Multi-Targeting Neurotherapeutics against Alzheimer’s: Discovery of Potent AChE-MAO B Inhibitors through the Decoration of the 2H-Chromen-2-one Structural Motif. Molecules 2016, 21, 362 |
Resumo: | The need for developing real disease-modifying drugs against neurodegenerative syndromes, particularly Alzheimer’s disease (AD), shifted research towards reliable drug discovery strategies to unveil clinical candidates with higher therapeutic efficacy than single-targeting drugs. By following the multi-target approach, we designed and synthesized a novel class of dual acetylcholinesterase (AChE)-monoamine oxidase B (MAO-B) inhibitors through the decoration of the 2H-chromen-2-one skeleton. Compounds bearing a propargylamine moiety at position 3 displayed the highest in vitro inhibitory activities against MAO-B. Within this series, derivative 3h emerged as the most interesting hit compound, being a moderate AChE inhibitor (IC50 = 8.99 µM) and a potent and selective MAO-B inhibitor (IC50 = 2.8 nM). Preliminary studies in human neuroblastoma SH-SY5Y cell lines demonstrated its low cytotoxicity and disclosed a promising neuroprotective effect at low doses (0.1 µM) under oxidative stress conditions promoted by two mitochondrial toxins (oligomycin-A and rotenone). In a Madin-Darby canine kidney (MDCK)II-MDR1 cell-based transport study, Compound 3h was able to permeate the BBB-mimicking monolayer and did not result in a glycoprotein-p (P-gp) substrate, showing an efflux ratio = 0.96, close to that of diazepam |
Versión do editor: | http://dx.doi.org/10.3390/molecules21030362 |
URI: | http://hdl.handle.net/10347/15952 |
DOI: | 10.3390/molecules21030362 |
ISSN: | 1420-3049 |
Dereitos: | © 2016 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons by Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/) |
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