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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/191205
Structure-Based Virtual Screening and in vitro and in vivo Analyses Revealed Potent Methyltransferase G9a Inhibitors as Prospective Anti-Alzheimer's Agents
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G9a is a lysine methyltransferase able to di-methylate lysine 9 of histone H3, promoting the repression of genes involved in learning and memory. Novel strategies based on synthesizing epigenetic drugs could regulate gene expression through histone post-translational modifications and effectively treat neurodegenerative diseases, like Alzheimer's disease (AD). Here, potential G9a inhibitors were identified using a structure-based virtual screening against G9a, followed by in vitro and in vivo screenings. First, screening methods with the AD transgenic Caenorhabditis elegans strain CL2006, showed that the toxicity/function range was safe and recovered age-dependent paralysis. Likewise, we demonstrated that the best candidates direct target G9a by reducing H3 K9me2 in the CL2006 strain. Further characterization of these compounds involved the assessment of the blood-brain barrier-permeability and impact on amyloid-β aggregation, showing promising results. Thus, we present a G9a inhibitor candidate, F, with a novel and potent structure, providing both leads in G9a inhibitor design and demonstrating their participation in reducing AD pathology. Keywords: Alzheimer's disease; G9a methyltransferase; amyloid-β; epigenetics; structure based virtual screening.
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BELLVER SANCHIS, Aina, Bhanwar Singh Choudhary, COMPANYS ALEMANY, Júlia, Sukanya, ÁVILA-LÓPEZ, Pedro a., MARTÍNEZ RODRÍGUEZ, Antón leandro, BREA FLORIANI, Jose manuel, MALIK, Ruchi, PALLÀS I LLIBERÍA, Mercè, PÉREZ, Belén, GRIÑÁN FERRÉ, Christian. Structure-Based Virtual Screening and in vitro and in vivo Analyses Revealed Potent Methyltransferase G9a Inhibitors as Prospective Anti-Alzheimer's Agents. _ChemMedChem_. 2022. [consulta: 20 de desembre de 2025]. ISSN: 1860-7179. [Disponible a: https://hdl.handle.net/2445/191205]