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Towards discovery of novel scaffold with potent antiangiogenic activity; design, synthesis of pyridazine based compounds, impact of hinge interaction, and accessibility of their bioactive conformation on VEGFR-2 activities.
J Enzyme Inhib Med Chem ; 34(1): 1573-1589, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31852269
ABSTRACT
Pyridazine scaffolds are considered privileged structures pertaining to its novelty, chemical stability, and synthetic feasibility. In our quest towards the development of novel scaffolds for effective vascular endothelial growth 2 (VEGFR-2) inhibition with antiangiogenic activity, four novel series of pyridazines were designed and synthesised. Five of the synthesised compounds; namely (8c, 8f, 15, 18b, and 18c) exhibited potent VEGFR-2 inhibitory potency (>80%); with IC50 values ranging from low micromolar to nanomolar range; namely compounds 8c, 8f, 15, 18c with (1.8 µM, 1.3 µM, 1.4 µM, 107 nM), respectively. Moreover, 3-[4-{(6-oxo-1,6-dihydropyridazin-3-yl)oxy}phenyl]urea derivative (18b) exhibited nanomolar potency towards VEGFR-2 (60.7 nM). In cellular assay, the above compounds showed excellent inhibition of VEGF-stimulated proliferation of human umbilical vein endothelial cells at 10 µM concentration. Finally, an extensive molecular simulation study was performed to investigate the probable interaction with VEGFR-2.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Piridazinas / Receptor 2 de Fatores de Crescimento do Endotélio Vascular / Inibidores de Proteínas Quinases / Descoberta de Drogas / Antineoplásicos Limite: Humanos Idioma: Inglês Revista: J Enzyme Inhib Med Chem Assunto da revista: Bioquímica / Química Ano de publicação: 2019 Tipo de documento: Artigo País de afiliação: Egito