Fragment-based discovery of a new family of non-peptidic small-molecule cyclophilin inhibitors with potent antiviral activities.

Fragment-based discovery of a new family of non-peptidic small-molecule cyclophilin inhibitors with potent antiviral activities.
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DOI:
10.1038/ncomms12777
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发表时间:
2016-09-22
影响因子:
16.6
通讯作者:
Guichou, Jean-Francois
Guichou, Jean-Francois
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Ahmed-Belkacem, Abdelhakim;Colliandre, Lionel;Ahnou, Nazim;Nevers, Quentin;Gelin, Muriel;Bessin, Yannick;Brillet, Rozenn;Cala, Olivier;Douguet, Dominique;Bourguet, William;Krimm, Isabelle;Pawlotsky, Jean-Michel;Guichou, Jean-Francois

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Cyclophilins are peptidyl-prolyl cis/trans isomerases (PPIase) that catalyse the interconversion of the peptide bond at proline residues. Several cyclophilins play a pivotal role in the life cycle of a number of viruses. The existing cyclophilin inhibitors, all derived from cyclosporine A or sanglifehrin A, have disadvantages, including their size, potential for side effects unrelated to cyclophilin inhibition and drug–drug interactions, unclear antiviral spectrum and manufacturing issues. Here we use a fragment-based drug discovery approach using nucleic magnetic resonance, X-ray crystallography and structure-based compound optimization to generate a new family of non-peptidic, small-molecule cyclophilin inhibitors with potent in vitro PPIase inhibitory activity and antiviral activity against hepatitis C virus, human immunodeficiency virus and coronaviruses. This family of compounds has the potential for broad-spectrum, high-barrier-to-resistance treatment of viral infections. Cyclophilins play a key role in the life cycle of many viruses and represent important drug targets for broad-spectrum antiviral therapies. Here, the authors use fragment-based drug discovery to develop non-peptidic inhibitors of human cyclophilins with high activity against replication of a number of viral families.
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