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2020-9-21 21:59:40

Zhao ZX, Cheng LP, Li M, Pang W, Wu FH. Discovery of novel acylhydrazone neuraminidase inhibitors. Eur J Med Chem. 2019 Apr 5;173:305-313
submited by kickingbird at Apr, 27, 2019 11:38 AM from Eur J Med Chem. 2019 Apr 5;173:305-313

Neuraminidase (NA) plays a crucial role in the replication and transmission of influenza virus. NA inhibitors have been developed as effective treatments for influenza A and B infections. In this paper, a new lead neuraminidase inhibitor 6a (IC50?=?7.10?±?0.2?μM) was discovered by ligand-based virtual screening, receptor-based virtual screening, molecular dynamics simulation (MD), and bioassay validation. MD simulation indicates that the morpholinyl group of 6a could be embedded in 430-loop of NA. To exploit the 430-loop in the active site, a series of novel acylhydrazone NA inhibitors 6b-6g were designed and synthesized based on the lead compound 6a. Compound 6e exerts the most potency, with IC50 value of 2.37?±?0.5?μM against NA, which is lower than that of oseltamivir carboxylate (OC) (IC50?=?3.84?μM). Overall, this work provided unique insights in the discovery of potent inhibitors against NA.

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