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Barbolosi M, Imbs D, Tomasini P, Greillier L, Galloux M, Testot-Ferry A, Garcia M, Elharrar X, Pelletier A, Andre N, Mascaux C, Lacarelle B, El Cheikh R, Serre R, Ciccolini J, Barbolosi D, Barlesi F. Modélisation mathématique dans un essai clinique de phase 1 : application dans le traitement des cancers bronchiques non à petites cellules et des mésothéliomes avancés, par vinorelbine orale, selon un schéma métronomique. Rev Mal Respir 2018. [DOI: 10.1016/j.rmr.2017.10.226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Bailly B, Richard CA, Sharma G, Wang L, Johansen L, Cao J, Pendharkar V, Sharma DC, Galloux M, Wang Y, Cui R, Zou G, Guillon P, von Itzstein M, Eléouët JF, Altmeyer R. Targeting human respiratory syncytial virus transcription anti-termination factor M2-1 to inhibit in vivo viral replication. Sci Rep 2016; 6:25806. [PMID: 27194388 PMCID: PMC4872165 DOI: 10.1038/srep25806] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 04/22/2016] [Indexed: 01/05/2023] Open
Abstract
Human respiratory syncytial virus (hRSV) is a leading cause of acute lower respiratory tract infection in infants, elderly and immunocompromised individuals. To date, no specific antiviral drug is available to treat or prevent this disease. Here, we report that the Smoothened receptor (Smo) antagonist cyclopamine acts as a potent and selective inhibitor of in vitro and in vivo hRSV replication. Cyclopamine inhibits hRSV through a novel, Smo-independent mechanism. It specifically impairs the function of the hRSV RNA-dependent RNA polymerase complex notably by reducing expression levels of the viral anti-termination factor M2-1. The relevance of these findings is corroborated by the demonstration that a single R151K mutation in M2-1 is sufficient to confer virus resistance to cyclopamine in vitro and that cyclopamine is able to reduce virus titers in a mouse model of hRSV infection. The results of our study open a novel avenue for the development of future therapies against hRSV infection.
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Affiliation(s)
- B Bailly
- Institut Pasteur of Shanghai - Chinese Academy of Sciences, Unit of anti-infective research, Shanghai, 200031, P.R. China.,Institute for Glycomics, Griffith University, Gold Coast Campus, Gold Coast, QLD 4222, Australia.,Shandong University-Helmholtz Institute of Biotechnology, Qingdao, 266101, P.R. China
| | - C-A Richard
- INRA, Unité de Virologie et Immunologie Moléculaires (UR892), Jouy-en-Josas, 78352, France
| | - G Sharma
- CombinatoRx-Singapore, 138667, Singapore
| | - L Wang
- Institut Pasteur of Shanghai - Chinese Academy of Sciences, Unit of anti-infective research, Shanghai, 200031, P.R. China
| | | | - J Cao
- Shandong University-Helmholtz Institute of Biotechnology, Qingdao, 266101, P.R. China.,Qingdao Municipal Center for Disease Control &Prevention, Qingdao, 266033, P.R. China
| | | | - D-C Sharma
- CombinatoRx-Singapore, 138667, Singapore
| | - M Galloux
- INRA, Unité de Virologie et Immunologie Moléculaires (UR892), Jouy-en-Josas, 78352, France
| | - Y Wang
- Institut Pasteur of Shanghai - Chinese Academy of Sciences, Unit of anti-infective research, Shanghai, 200031, P.R. China
| | - R Cui
- Institut Pasteur of Shanghai - Chinese Academy of Sciences, Unit of anti-infective research, Shanghai, 200031, P.R. China
| | - G Zou
- Institut Pasteur of Shanghai - Chinese Academy of Sciences, Unit of anti-infective research, Shanghai, 200031, P.R. China
| | - P Guillon
- Institute for Glycomics, Griffith University, Gold Coast Campus, Gold Coast, QLD 4222, Australia
| | - M von Itzstein
- Institute for Glycomics, Griffith University, Gold Coast Campus, Gold Coast, QLD 4222, Australia
| | - J-F Eléouët
- INRA, Unité de Virologie et Immunologie Moléculaires (UR892), Jouy-en-Josas, 78352, France
| | - R Altmeyer
- Institut Pasteur of Shanghai - Chinese Academy of Sciences, Unit of anti-infective research, Shanghai, 200031, P.R. China.,Institute for Glycomics, Griffith University, Gold Coast Campus, Gold Coast, QLD 4222, Australia.,Shandong University-Helmholtz Institute of Biotechnology, Qingdao, 266101, P.R. China.,CombinatoRx-Singapore, 138667, Singapore.,CombinatoRx, Cambridge, MA 02142, USA.,Qingdao Municipal Center for Disease Control &Prevention, Qingdao, 266033, P.R. China
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Coulibaly F, Chevalier C, Galloux M, Da Costa B, Lepault J, Delmas B, Rey F. [Structural relationships among birnaviruses and other icosahedral viruses]. Virologie (Montrouge) 2006; 10:233-235. [PMID: 34679310 DOI: 10.1684/vir.2011.4839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Affiliation(s)
- F Coulibaly
- UMR CNRS/INRA Virologie moléculaire et structurale, 91198 Gif-sur-Yvette
| | - C Chevalier
- UR INRA Virologie et Immunologie moléculaires, 78350 Jouy-en-Josas
| | - M Galloux
- UR INRA Virologie et Immunologie moléculaires, 78350 Jouy-en-Josas
| | - B Da Costa
- UR INRA Virologie et Immunologie moléculaires, 78350 Jouy-en-Josas
| | - J Lepault
- UMR CNRS/INRA Virologie moléculaire et structurale, 91198 Gif-sur-Yvette
| | - B Delmas
- UR INRA Virologie et Immunologie moléculaires, 78350 Jouy-en-Josas
| | - F Rey
- UMR CNRS/INRA Virologie moléculaire et structurale, 91198 Gif-sur-Yvette
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