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Título: | New Quinolylnitrones for Stroke Therapy: Antioxidant and Neuroprotective (Z)- N- tert-Butyl-1-(2-chloro-6-methoxyquinolin-3-yl)methanimine Oxide as a New Lead-Compound for Ischemic Stroke Treatment |
Autor: | Chioua, Mourad CSIC ORCID ; Martínez-Alonso, Emma; Gonzalo-Gobernado, Rafael CSIC ORCID; Ayuso, María I. CSIC ORCID; Escobar-Peso, Alejandro CSIC ORCID; Infantes, L. CSIC ORCID; Hadjipavlou-Litina, Dimitra; Montoya, Juan J.; Montaner, Joan CSIC ORCID; Alcázar, Alberto; Marco-Contelles, José CSIC ORCID | Fecha de publicación: | 2019 | Editor: | American Chemical Society | Citación: | Journal of Medicinal Chemistry 62: 2184-2201 (2019) | Resumen: | We describe herein the synthesis and neuroprotective capacity of an array of 31 compounds comprising quinolyloximes, quinolylhydrazones, quinolylimines, QNs, and related heterocyclic azolylnitrones. Neuronal cultures subjected to oxygen-glucose deprivation (OGD), as experimental model for ischemic conditions, were treated with our molecules at the onset of recovery period after OGD and showed that most of these QNs, but not the azo molecules, improved neuronal viability 24 h after recovery. Especially, QN (Z)-N-tert-butyl-1-(2-chloro-6-methoxyquinolin-3-yl)methanimine oxide (23) was shown as a very potent neuroprotective agent. Antioxidant analysis based on the ability of QN 23 to trap different types of toxic radical oxygenated species supported and confirmed its strong neuroprotective capacity. Finally, QN 23 showed also neuroprotection induction in two in vivo models of cerebral ischemia, decreasing neuronal death and reducing infarct size, allowing us to conclude that QN 23 can be considered as new lead-compound for ischemic stroke treatment. | Versión del editor: | http://dx.doi.org/10.1021/acs.jmedchem.8b01987 | URI: | http://hdl.handle.net/10261/185351 | DOI: | 10.1021/acs.jmedchem.8b01987 | Identificadores: | doi: 10.1021/acs.jmedchem.8b01987 issn: 0022-2623 e-issn: 1520-4804 |
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