Design, Synthesis, and in Vitro Biological Evaluation of 1H-1,2,3-Triazole-4-carboxamide Derivatives as New Anti-influenza A Agents Targeting Virus Nucleoprotein

The influenza virus nucleoprotein (NP) is an emerging target for anti-influenza drug development. Nucleozin (1) and its closely related derivatives had been identified as NP inhibitors displaying anti-influenza activity. Utilizing 1 as a lead molecule, we successfully designed and synthesized a seri...

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Veröffentlicht in:Journal of medicinal chemistry 2012-03, Vol.55 (5), p.2144-2153
Hauptverfasser: Cheng, Huimin, Wan, Junting, Lin, Meng-I, Liu, Yingxue, Lu, Xiaoyun, Liu, Jinsong, Xu, Yong, Chen, Jianxin, Tu, Zhengchao, Cheng, Yih-Shyun E, Ding, Ke
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container_end_page 2153
container_issue 5
container_start_page 2144
container_title Journal of medicinal chemistry
container_volume 55
creator Cheng, Huimin
Wan, Junting
Lin, Meng-I
Liu, Yingxue
Lu, Xiaoyun
Liu, Jinsong
Xu, Yong
Chen, Jianxin
Tu, Zhengchao
Cheng, Yih-Shyun E
Ding, Ke
description The influenza virus nucleoprotein (NP) is an emerging target for anti-influenza drug development. Nucleozin (1) and its closely related derivatives had been identified as NP inhibitors displaying anti-influenza activity. Utilizing 1 as a lead molecule, we successfully designed and synthesized a series of 1H-1,2,3-triazole-4-carboxamide derivatives as new anti-influenza A agents. One of the most potent compounds, 3b, inhibited the replication of various H3N2 and H1N1 influenza A virus strains with IC50 values ranging from 0.5 to 4.6 μM. Compound 3b also strongly inhibited the replication of H5N1 (RG14), amantidine-resistant A/WSN/33 (H1N1), and oseltamivir-resistant A/WSN/1933 (H1N1, 274Y) virus strains with IC50 values in sub-μM ranges. Further computational studies and mechanism investigation suggested that 3b might directly target influenza virus A nucleoprotein to inhibit its nuclear accumulation.
doi_str_mv 10.1021/jm2013503
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subjects Amantadine - pharmacology
Amides - chemical synthesis
Amides - chemistry
Amides - pharmacology
Animals
Antiviral Agents - chemical synthesis
Antiviral Agents - chemistry
Antiviral Agents - pharmacology
Cell Line
Dogs
Drug Design
Drug Resistance, Viral
Influenza A virus - drug effects
Influenza A virus - metabolism
Influenza A Virus, H1N1 Subtype - drug effects
Influenza A Virus, H3N2 Subtype - drug effects
Influenza A Virus, H5N1 Subtype - drug effects
Models, Molecular
Nucleoproteins - metabolism
Oseltamivir - pharmacology
Piperazines - chemical synthesis
Piperazines - chemistry
Piperazines - pharmacology
Structure-Activity Relationship
Triazoles - chemical synthesis
Triazoles - chemistry
Triazoles - pharmacology
Viral Core Proteins - metabolism
Viral Plaque Assay
Virus Replication - drug effects
title Design, Synthesis, and in Vitro Biological Evaluation of 1H-1,2,3-Triazole-4-carboxamide Derivatives as New Anti-influenza A Agents Targeting Virus Nucleoprotein
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