1
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Yadav Y, Tyagi R, Kumar R, Sagar R. Conformationally locked sugar derivatives and analogues as potential neuraminidase inhibitors. Eur J Med Chem 2023; 255:115410. [PMID: 37120995 DOI: 10.1016/j.ejmech.2023.115410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/13/2023] [Accepted: 04/21/2023] [Indexed: 05/02/2023]
Abstract
The influenza virus remains a major health concern for mankind because it tends to mutate frequently and cause high morbidity. Influenza prevention and treatment are greatly aided by the use of antivirals. One such class of antivirals is neuraminidase inhibitors (NAIs), effective against influenza viruses. A neuraminidase on the virus's surface serves a vital function in viral propogation by assisting in the release of viruses from infected host cells. Neuraminidase inhibitors are the backbone in stoping such virus propagation thus helps in the treatment of influenza viruses infections. Two NAI medicines are licensed globally: Oseltamivir (Tamiflu™) and Zanamivir (Relanza™). There are two molecules that have acquired Japanese approval recently: Peramivir and Laninamivir, whereas Laninamivir octanoate is in Phase III clinical trials. The need for novel NAIs is due to frequent mutations in viruses and the rise in resistance against existing medication. The NA inhibitors (NAIs) are designed to have (oxa)cyclohexene scaffolds (a sugar scaffold) to mimic the oxonium transition state in the enzymatic cleavage of sialic acid. This review discusses in details and comprises all such conformationally locked (oxa)cyclohexene scaffolds and their analogues which have been recently designed and synthesized as potential neuraminidase inhibitors, thus as antiviral molecules. The structure-activity relationship of such diverese molecules has also been discussed in this review.
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Affiliation(s)
- Yogesh Yadav
- Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Rajdeep Tyagi
- Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Ramesh Kumar
- Department of Chemistry, Kurukshetra University Kurukshetra, Haryana, 136119, India
| | - Ram Sagar
- Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
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2
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Assailly C, Bridot C, Saumonneau A, Lottin P, Roubinet B, Krammer EM, François F, Vena F, Landemarre L, Alvarez Dorta D, Deniaud D, Grandjean C, Tellier C, Pascual S, Montembault V, Fontaine L, Daligault F, Bouckaert J, Gouin SG. Polyvalent Transition-State Analogues of Sialyl Substrates Strongly Inhibit Bacterial Sialidases*. Chemistry 2021; 27:3142-3150. [PMID: 33150981 DOI: 10.1002/chem.202004672] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Indexed: 11/06/2022]
Abstract
Bacterial sialidases (SA) are validated drug targets expressed by common human pathogens such as Streptococcus pneumoniae, Vibrio cholerae, or Clostridium perfringens. Noncovalent inhibitors of bacterial SA capable of reaching the submicromolar level are rarely reported. In this work, multi- and polyvalent compounds are developed, based on the transition-state analogue 2-deoxy-2,3-didehydro-N-acetylneuraminic (DANA). Poly-DANA inhibits the catalytic activity of SA from S. pneumoniae (NanA) and the symbiotic microorganism B. thetaiotaomicron (BtSA) at the picomolar and low nanomolar levels (expressed in moles of molecules and of DANA, respectively). Each DANA grafted to the polymer surpasses the inhibitory potential of the monovalent analogue by more than four orders of magnitude, which represents the highest multivalent effect reported so far for an enzyme inhibition. The synergistic interaction is shown to operate exclusively in the catalytic domain, and not in the flanked carbohydrate-binding module (CBM). These results offer interesting perspectives for the multivalent inhibition of other SA families lacking a CBM, such as viral, parasitic, or human SA.
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Affiliation(s)
- Coralie Assailly
- CNRS, CEISAM UMR, 6230, Université de Nantes, 44000, Nantes, France
| | - Clarisse Bridot
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS, Université de Lille, Lille, 59000, France
| | - Amélie Saumonneau
- UFIP, UMR CNRS 6286, UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322, Nantes Cedex 3, France
| | - Paul Lottin
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Benoit Roubinet
- Glycodiag, Bâtiment Physique-Chimie, Rue de Chartres, BP6759, 45067, Orléans cedex 2, France
| | - Eva-Maria Krammer
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS, Université de Lille, Lille, 59000, France
| | - Francesca François
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Federica Vena
- Glycodiag, Bâtiment Physique-Chimie, Rue de Chartres, BP6759, 45067, Orléans cedex 2, France
| | - Ludovic Landemarre
- Glycodiag, Bâtiment Physique-Chimie, Rue de Chartres, BP6759, 45067, Orléans cedex 2, France
| | | | - David Deniaud
- CNRS, CEISAM UMR, 6230, Université de Nantes, 44000, Nantes, France
| | - Cyrille Grandjean
- UFIP, UMR CNRS 6286, UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322, Nantes Cedex 3, France
| | - Charles Tellier
- UFIP, UMR CNRS 6286, UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322, Nantes Cedex 3, France
| | - Sagrario Pascual
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Véronique Montembault
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Laurent Fontaine
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Franck Daligault
- UFIP, UMR CNRS 6286, UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322, Nantes Cedex 3, France
| | - Julie Bouckaert
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS, Université de Lille, Lille, 59000, France
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3
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Multiscale Simulations Examining Glycan Shield Effects on Drug Binding to Influenza Neuraminidase. Biophys J 2020; 119:2275-2289. [PMID: 33130120 DOI: 10.1016/j.bpj.2020.10.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/08/2020] [Accepted: 10/21/2020] [Indexed: 12/18/2022] Open
Abstract
Influenza neuraminidase is an important drug target. Glycans are present on neuraminidase and are generally considered to inhibit antibody binding via their glycan shield. In this work, we studied the effect of glycans on the binding kinetics of antiviral drugs to the influenza neuraminidase. We created all-atom in silico systems of influenza neuraminidase with experimentally derived glycoprofiles consisting of four systems with different glycan conformations and one system without glycans. Using Brownian dynamics simulations, we observe a two- to eightfold decrease in the rate of ligand binding to the primary binding site of neuraminidase due to the presence of glycans. These glycans are capable of covering much of the surface area of neuraminidase, and the ligand binding inhibition is derived from glycans sterically occluding the primary binding site on a neighboring monomer. Our work also indicates that drugs preferentially bind to the primary binding site (i.e., the active site) over the secondary binding site, and we propose a binding mechanism illustrating this. These results help illuminate the complex interplay between glycans and ligand binding on the influenza membrane protein neuraminidase.
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Yu Y, Qin HJ, Shi XX, Song JQ, Zhou JP, Yu P, Fan ZC, Zhong M, Yang Y. Thiosialoside-decorated polymers use a two-step mechanism to inhibit both early and late stages of influenza virus infection. Eur J Med Chem 2020; 199:112357. [DOI: 10.1016/j.ejmech.2020.112357] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/14/2020] [Accepted: 04/16/2020] [Indexed: 12/16/2022]
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5
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Advances in drug delivery, gene delivery and therapeutic agents based on dendritic materials. Future Med Chem 2019; 11:1791-1810. [DOI: 10.4155/fmc-2018-0452] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Dendrimers are synthetic polymers that grow in three dimensions into well-defined structures. Their morphological appearance resembles a number of trees connected by a common point. Dendritic nanoparticles have been studied for a large number of pharmaceutical and biomedical applications including gene and drug delivery, clinical diagnosis and MRI. Despite the application of dendrimers, research is still in its childhood in comparison with liposomes and other nanomaterials. They are now playing a key role in several therapeutic strategies, with dendrimer-based products in clinical trials. The aim of this review is to describe the state-of-the-art of biomedical applications of dendrimers – and dendrimer conjugates – such as drug and gene delivery and antiviral activity.
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6
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Divalent oseltamivir analogues as potent influenza neuraminidase inhibitors. Carbohydr Res 2019; 477:32-38. [DOI: 10.1016/j.carres.2019.03.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 03/21/2019] [Accepted: 03/28/2019] [Indexed: 11/23/2022]
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7
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Brissonnet Y, Assailly C, Saumonneau A, Bouckaert J, Maillasson M, Petitot C, Roubinet B, Didak B, Landemarre L, Bridot C, Blossey R, Deniaud D, Yan X, Bernard J, Tellier C, Grandjean C, Daligault F, Gouin SG. Multivalent Thiosialosides and Their Synergistic Interaction with Pathogenic Sialidases. Chemistry 2019; 25:2358-2365. [DOI: 10.1002/chem.201805790] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 12/03/2018] [Indexed: 01/18/2023]
Affiliation(s)
- Yoan Brissonnet
- CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation; UMR CNRS 6230; UFR des Sciences et des Techniques; Université de Nantes; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Coralie Assailly
- CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation; UMR CNRS 6230; UFR des Sciences et des Techniques; Université de Nantes; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Amélie Saumonneau
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Julie Bouckaert
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS; Université de Lille 1; Lille 59000 France
| | - Mike Maillasson
- Impact biogeneouest; CRCINA; Inserm; CNRS; Université de Nantes; Nantes France
| | - Clémence Petitot
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Benoit Roubinet
- Bâtiment Physique-Chimie; Glycodiag; Rue de Chartres, BP6759 45067 Orléans cedex 2 France
| | - Blanka Didak
- Bâtiment Physique-Chimie; Glycodiag; Rue de Chartres, BP6759 45067 Orléans cedex 2 France
| | - Ludovic Landemarre
- Bâtiment Physique-Chimie; Glycodiag; Rue de Chartres, BP6759 45067 Orléans cedex 2 France
| | - Clarisse Bridot
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS; Université de Lille 1; Lille 59000 France
| | - Ralf Blossey
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS; Université de Lille 1; Lille 59000 France
| | - David Deniaud
- CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation; UMR CNRS 6230; UFR des Sciences et des Techniques; Université de Nantes; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Xibo Yan
- Université de Lyon, Lyon; 69003 (France), INSA- Lyon, IMP, Villeurbanne, 69621, France, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Villeurbanne, 69621 France
| | - Julien Bernard
- Université de Lyon, Lyon; 69003 (France), INSA- Lyon, IMP, Villeurbanne, 69621, France, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Villeurbanne, 69621 France
| | - Charles Tellier
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Cyrille Grandjean
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Franck Daligault
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Sébastien G. Gouin
- CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation; UMR CNRS 6230; UFR des Sciences et des Techniques; Université de Nantes; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
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8
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Zhao TF, Qin HJ, Yu Y, Yang MB, Chang H, Guo N, He Y, Yang Y, Yu P. Multivalent zanamivir-bovine serum albumin conjugate as a potent influenza neuraminidase inhibitor. J Carbohydr Chem 2017. [DOI: 10.1080/07328303.2017.1390577] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Teng-Fei Zhao
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Lab of Industrial Fermentation Microbiology of Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Hai-Juan Qin
- Research Centre of Modern Analytical Technology, Tianjin University of Science and Technology, Tianjin, China
| | - Yao Yu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Lab of Industrial Fermentation Microbiology of Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Mei-Bing Yang
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Lab of Industrial Fermentation Microbiology of Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Hao Chang
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Lab of Industrial Fermentation Microbiology of Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Na Guo
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Lab of Industrial Fermentation Microbiology of Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Yun He
- Research Center for Molecular Diagnostics and Sequencing, Research Institute of Tsinghua University in Shenzhen, Nanshan District, Shenzhen, China
| | - Yang Yang
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Lab of Industrial Fermentation Microbiology of Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Peng Yu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Lab of Industrial Fermentation Microbiology of Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
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9
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Seo BJ, Lee JH, Kang IJ, Shabir N, Khatun A, Yang MS, Park C, Kim B, Kim WI. Effects of high molecular weight poly-γ-glutamic acid on PIGS with porcine preproductive and respiratory syndrome virus (PRRSV) infection. ACTA VET-BEOGRAD 2017. [DOI: 10.1515/acve-2017-0014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Bacillus subtilis sups. chungkookjang produces a higher molecular mass poly-γ-glutamic acid (γ-PGA). Recently, previous studies have demonstrated immune stimulation and an antitumor effect of the high molecular mass γ-PGA using various mouse models although these effects have not been shown in other species of animals. Therefore, the current study was conducted to determine the effect of γ-PGA in pigs with and without PRRSV infection. PRRS-negative pigs were intramuscularly injected with 1, 3, or 5 ml of 20 mg/mll γ-PGA, and one group of pigs served as a non-treatment (NT) group. All groups treated with γ-PGA had significantly higher weight gains, and pigs treated with 5 ml of γ-PGA exhibited higher tumor necrosis factor (TNF)-α, interferon (IFN)-α and IFN-β expression levels compared with the NT group. According to the preliminary results, an animal challenge study was conducted with a highly virulent PRRSV strain, MN184, along with γ-PGA treatment at different time points. Pigs treated with γ-PGA had lower levels of viral loads in the sera and in lungs and gained significantly more weight (p<0.05) compared with the NT group after being challenged with MN184. Moreover, γ-PGA-treatment groups had higher levels of neutralizing antibodies and cytokines related to proinflammatory, humoral and cell-mediated responses than the control group after the PRRSV challenge. Therefore, it was concluded that γ-PGA induces higher levels of immune responses and increases resistance to PRRSV infection in pigs.
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Affiliation(s)
- Byoung-Joo Seo
- College of Veterinary Medicine , Chonbuk National University , Iksan 54596 , Korea (Republic of)
| | - Jee-Hoon Lee
- Corporate Research and Development Center , Dong Bang Co., Ltd , Suwon 16679 , Korea (Republic of)
| | - Ick-Jae Kang
- Corporate Research and Development Center , Dong Bang Co., Ltd , Suwon 16679 , Korea (Republic of)
| | - Nadeem Shabir
- College of Veterinary Medicine , Chonbuk National University , Iksan 54596 , Korea (Republic of)
| | - Amina Khatun
- College of Veterinary Medicine , Chonbuk National University , Iksan 54596 , Korea (Republic of)
| | - Myeon-Sik Yang
- College of Veterinary Medicine , Chonbuk National University , Iksan 54596 , Korea (Republic of)
| | - Chul Park
- College of Veterinary Medicine , Chonbuk National University , Iksan 54596 , Korea (Republic of)
| | - Bumseok Kim
- College of Veterinary Medicine , Chonbuk National University , Iksan 54596 , Korea (Republic of)
| | - Won-Il Kim
- College of Veterinary Medicine , Chonbuk National University , Iksan 54596 , Korea (Republic of)
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10
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Fu L, Bi Y, Wu Y, Zhang S, Qi J, Li Y, Lu X, Zhang Z, Lv X, Yan J, Gao GF, Li X. Structure-Based Tetravalent Zanamivir with Potent Inhibitory Activity against Drug-Resistant Influenza Viruses. J Med Chem 2016; 59:6303-12. [DOI: 10.1021/acs.jmedchem.6b00537] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lifeng Fu
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
- National
Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, China
- Graduate
University of Chinese Academy of Sciences, Shijingshan District, Beijing 100049, China
| | - Yuhai Bi
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
| | - Yan Wu
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
| | - Shanshan Zhang
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
- Graduate
University of Chinese Academy of Sciences, Shijingshan District, Beijing 100049, China
| | - Jianxun Qi
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
| | - Yan Li
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
| | - Xuancheng Lu
- Laboratory
Animal Center, Chinese Center for Disease Control and Prevention, Changping District, Beijing 102206, China
| | - Zhenning Zhang
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
- Graduate
University of Chinese Academy of Sciences, Shijingshan District, Beijing 100049, China
| | - Xun Lv
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
| | - Jinghua Yan
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
- Center
for Influenza Research and Early Warning, Chinese Academy of Sciences (CASCIRE), Chaoyang District, Beijing 100101, China
| | - George F. Gao
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
- Center
for Influenza Research and Early Warning, Chinese Academy of Sciences (CASCIRE), Chaoyang District, Beijing 100101, China
| | - Xuebing Li
- CAS
Key Laboratory of Pathogenic Microbiology and Immunology, Institute
of Microbiology, Chinese Academy of Sciences, Chaoyang District, Beijing 100101, China
- National
Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, China
- Center
for Influenza Research and Early Warning, Chinese Academy of Sciences (CASCIRE), Chaoyang District, Beijing 100101, China
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11
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Saludes JP, Gregar TQ, Monreal IA, Cook BM, Danan-Leon LM, Gervay-Hague J. Solution phase conformation and proteolytic stability of amide-linked neuraminic acid analogues. Biopolymers 2016; 99:686-96. [PMID: 23765412 DOI: 10.1002/bip.22315] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 05/31/2013] [Indexed: 11/10/2022]
Abstract
Amide-linked homopolymers of sialic acid offer the advantages of stable secondary structure and increased bioavailability making them useful constructs for pharmaceutical design and drug delivery. Defining the structural characteristics that give rise to secondary structure in aqueous solution is challenging in homopolymeric material due to spectral overlap in NMR spectra. Having previously developed computational tools for heteroologomers with resolved spectra, we now report that application of these methods in combination with circular dichroism, NH/ND NMR exchange rates and nOe data has enabled the structural determination of a neutral, δ-amide-linked homopolymer of a sialic acid analogue called Neu2en. The results show that the inherent planarity of the pyranose ring in Neu2en brought about by the α,δ-conjugated amide bond serves as the primary driving force of the overall conformation of the homooligomer. This peptide surrogate has an excellent bioavailability profile, with half-life of ∼12 h in human blood serum, which offers a viable peptide scaffold that is resistant to proteolytic degradation. Furthermore, a proof-of-principle study illustrates that Neu2en oligomers are functionalizable with small molecule ligands using 1,3-dipolar cycloaddition chemistry.
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Affiliation(s)
- Jonel P Saludes
- Department of Chemistry, , University of California Davis, One Shields Ave., Davis, CA, 95616; Department of Chemistry, Washington State University, Pullman, WA, 99164
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12
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Li J, Yu F, Chen Y, Oupický D. Polymeric drugs: Advances in the development of pharmacologically active polymers. J Control Release 2015; 219:369-382. [PMID: 26410809 DOI: 10.1016/j.jconrel.2015.09.043] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Revised: 09/21/2015] [Accepted: 09/22/2015] [Indexed: 02/06/2023]
Abstract
Synthetic polymers play a critical role in pharmaceutical discovery and development. Current research and applications of pharmaceutical polymers are mainly focused on their functions as excipients and inert carriers of other pharmacologically active agents. This review article surveys recent advances in alternative pharmaceutical use of polymers as pharmacologically active agents known as polymeric drugs. Emphasis is placed on the benefits of polymeric drugs that are associated with their macromolecular character and their ability to explore biologically relevant multivalency processes. We discuss the main therapeutic uses of polymeric drugs as sequestrants, antimicrobials, antivirals, and anticancer and anti-inflammatory agents.
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Affiliation(s)
- Jing Li
- Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Fei Yu
- Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Yi Chen
- Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - David Oupický
- Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA; Department of Chemistry, University of Nebraska Lincoln, Lincoln, NE, USA; Department of Pharmaceutical Sciences, China Pharmaceutical University, Nanjing, China.
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13
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Brissonnet Y, Ladevèze S, Tezé D, Fabre E, Deniaud D, Daligault F, Tellier C, Šesták S, Remaud-Simeon M, Potocki-Veronese G, Gouin SG. Polymeric Iminosugars Improve the Activity of Carbohydrate-Processing Enzymes. Bioconjug Chem 2015; 26:766-72. [DOI: 10.1021/acs.bioconjchem.5b00081] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yoan Brissonnet
- LUNAM
Université, CEISAM, Chimie Et Interdisciplinarité, Synthèse,
Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Simon Ladevèze
- Laboratoire
d’Ingénierie des Systèmes Biologiques et des
Procédés, Institut National des Sciences Appliquées, CNRS UMR5504, Institut National de Recherche Agronomique, UMR792, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - David Tezé
- LUNAM
Université, CEISAM, Chimie Et Interdisciplinarité, Synthèse,
Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Emeline Fabre
- Université
Lille 1, Unité de Glycobiologie Structurale et Fonctionnelle, UMR 8576, 59650 Villeneuve d’Ascq, France
| | - David Deniaud
- LUNAM
Université, CEISAM, Chimie Et Interdisciplinarité, Synthèse,
Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Franck Daligault
- UFIP,
UMR CNRS 6286, Faculté des Sciences et Techniques, Université de Nantes, 2 rue de la Houssinière, F-44322 Nantes, France
| | - Charles Tellier
- UFIP,
UMR CNRS 6286, Faculté des Sciences et Techniques, Université de Nantes, 2 rue de la Houssinière, F-44322 Nantes, France
| | - Sergej Šesták
- Institute
of Chemistry, Center for Glycomics, Slovak Academy of Sciences, Dúbravska cesta 9, 845 38 Bratislava, Slovakia
| | - Magali Remaud-Simeon
- Laboratoire
d’Ingénierie des Systèmes Biologiques et des
Procédés, Institut National des Sciences Appliquées, CNRS UMR5504, Institut National de Recherche Agronomique, UMR792, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Gabrielle Potocki-Veronese
- Laboratoire
d’Ingénierie des Systèmes Biologiques et des
Procédés, Institut National des Sciences Appliquées, CNRS UMR5504, Institut National de Recherche Agronomique, UMR792, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Sébastien G. Gouin
- LUNAM
Université, CEISAM, Chimie Et Interdisciplinarité, Synthèse,
Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
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14
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From neuraminidase inhibitors to conjugates: a step towards better anti-influenza drugs? Future Med Chem 2015; 6:757-74. [PMID: 24941871 DOI: 10.4155/fmc.14.30] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
For the treatment of seasonal flu and possible pandemic infections the development of new anti-influenza drugs that have good bioavailability against a broad spectrum of influenza viruses including the resistant strains is needed. In this review, we summarize previous methods for the structural modification of zanamivir, a potent neuraminidase inhibitor that has rare drug resistance, in order to develop effective anti-influenza drugs. We also report recent research into the design of multivalent zanamivir drugs and bifunctional zanamivir conjugates, some of which have shown better efficacy in animal experiments. As a step towards developing improved antivirals, conjugating anti-influenza drugs with anti-inflammatory agents can improve oral bioavailability and also exert synergistic effect in influenza therapy.
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15
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Kanfar N, Bartolami E, Zelli R, Marra A, Winum JY, Ulrich S, Dumy P. Emerging trends in enzyme inhibition by multivalent nanoconstructs. Org Biomol Chem 2015; 13:9894-906. [DOI: 10.1039/c5ob01405k] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
This review highlights the recent implementation of multivalent nanoconstructs in enzyme inhibition and discusses the emerging trends in their design and identification.
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Affiliation(s)
- Nasreddine Kanfar
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS
- Université Montpellier
- ENSCM
- Ecole Nationale Supérieure de Chimie de Montpellier
| | - Eline Bartolami
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS
- Université Montpellier
- ENSCM
- Ecole Nationale Supérieure de Chimie de Montpellier
| | - Renaud Zelli
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS
- Université Montpellier
- ENSCM
- Ecole Nationale Supérieure de Chimie de Montpellier
| | - Alberto Marra
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS
- Université Montpellier
- ENSCM
- Ecole Nationale Supérieure de Chimie de Montpellier
| | - Jean-Yves Winum
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS
- Université Montpellier
- ENSCM
- Ecole Nationale Supérieure de Chimie de Montpellier
| | - Sébastien Ulrich
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS
- Université Montpellier
- ENSCM
- Ecole Nationale Supérieure de Chimie de Montpellier
| | - Pascal Dumy
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS
- Université Montpellier
- ENSCM
- Ecole Nationale Supérieure de Chimie de Montpellier
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16
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Antiviral Drugs for Influenza and Other Respiratory Virus Infections. MANDELL, DOUGLAS, AND BENNETT'S PRINCIPLES AND PRACTICE OF INFECTIOUS DISEASES 2015. [PMCID: PMC7152365 DOI: 10.1016/b978-1-4557-4801-3.00044-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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17
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Loregian A, Mercorelli B, Nannetti G, Compagnin C, Palù G. Antiviral strategies against influenza virus: towards new therapeutic approaches. Cell Mol Life Sci 2014; 71:3659-83. [PMID: 24699705 PMCID: PMC11114059 DOI: 10.1007/s00018-014-1615-2] [Citation(s) in RCA: 132] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Revised: 03/04/2014] [Accepted: 03/18/2014] [Indexed: 01/02/2023]
Abstract
Influenza viruses are major human pathogens responsible for respiratory diseases affecting millions of people worldwide and characterized by high morbidity and significant mortality. Influenza infections can be controlled by vaccination and antiviral drugs. However, vaccines need annual updating and give limited protection. Only two classes of drugs are currently approved for the treatment of influenza: M2 ion channel blockers and neuraminidase inhibitors. However, they are often associated with limited efficacy and adverse side effects. In addition, the currently available drugs suffer from rapid and extensive emergence of drug resistance. All this highlights the urgent need for developing new antiviral strategies with novel mechanisms of action and with reduced drug resistance potential. Several new classes of antiviral agents targeting viral replication mechanisms or cellular proteins/processes are under development. This review gives an overview of novel strategies targeting the virus and/or the host cell for counteracting influenza virus infection.
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Affiliation(s)
- Arianna Loregian
- Department of Molecular Medicine, University of Padua, via Gabelli 63, 35121, Padua, Italy,
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18
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Gouin SG. Multivalent Inhibitors for Carbohydrate-Processing Enzymes: Beyond the “Lock-and-Key” Concept. Chemistry 2014; 20:11616-28. [DOI: 10.1002/chem.201402537] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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19
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Compain P, Bodlenner A. The Multivalent Effect in Glycosidase Inhibition: A New, Rapidly Emerging Topic in Glycoscience. Chembiochem 2014; 15:1239-51. [DOI: 10.1002/cbic.201402026] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Indexed: 11/07/2022]
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20
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Kobayashi Y, Honda T, Masuda T, Arai M. Discovery of Anti-influenza Drug, Laninamivir Octanoate (Inavir^|^reg;). J SYN ORG CHEM JPN 2014. [DOI: 10.5059/yukigoseikyokaishi.72.1097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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Zanamivir conjugated to poly-L-glutamine is much more active against influenza viruses in mice and ferrets than the drug itself. Pharm Res 2013; 31:466-74. [PMID: 24065587 DOI: 10.1007/s11095-013-1175-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Accepted: 07/28/2013] [Indexed: 10/26/2022]
Abstract
PURPOSE Previously, polymer-attached zanamivir had been found to inhibit influenza A viruses in vitro far better than did small-molecule zanamivir (1) itself. The aim of this study was to identify in vitro-using the plaque reduction assay-a highly potent 1-polymer conjugate, and subsequently test its antiviral efficacy in vivo. METHODS By examining the structure-activity relationship of 1-polymer conjugates in the plaque assay, we have determined that the most potent inhibitor against several representative influenza virus strains has a neutral high-molecular-weight backbone and a short alkyl linker. We have examined this optimal polymeric inhibitor for efficacy and immunogenicity in the mouse and ferret models of infection. RESULTS 1 attached to poly-L-glutamine is an effective therapeutic for established influenza infection in ferrets, reducing viral titers up to 30-fold for 6 days. There is also up to a 190-fold reduction in viral load when the drug is used as a combined prophylactic/therapeutic in mice. Additionally, we see no evidence that the drug conjugate stimulates an immune response in mice upon repeat administration. CONCLUSIONS 1 attached to a neutral high-molecular-weight backbone through a short alkyl linker drastically reduced both in vitro and in vivo titers compared to those observed with 1 itself. Thus, further development of this polymeric zanamivir for the mitigation of influenza infection seems warranted.
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22
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Wang F, Ai H, Lei C. In vitro anti-influenza activity of a protein-enriched fraction from larvae of the housefly (Musca domestica). PHARMACEUTICAL BIOLOGY 2013; 51:405-410. [PMID: 23134203 DOI: 10.3109/13880209.2012.723724] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
CONTEXT Insects are a large, unexplored and unexploited source of potentially useful compounds for modern medicine. The larvae of the housefly (Musca domestica) have been used to study immune-induced molecules because they can survive in pathogenic environments. OBJECTIVE The antiviral activity of a protein-enriched fraction (PEF) from the larvae of the housefly was evaluated in vitro and the possible antiviral mechanism was studied. MATERIALS AND METHODS PEF was isolated from the larvae of the housefly. The cytotoxicity of PEF was detected by the MTT assay. The in vitro antiviral activity of PEF against influenza virus was investigated. PEF was incubated with the virus and its target cells under various conditions, and its antiviral effects were examined by reduction in virus yield in cell cultures. Experiments with ribavirin were performed in parallel under the same conditions. RESULTS The results indicated that PEF had minimal cytotoxicity against MDCK cells and the CC₅₀ value was calculated to be 284.45 μg/ml. The antiviral results showed the loss of infectious capacity was more than two log (2) units in cell cultures compared with virus control. The effect of PEF was direct virucidal activity and the interference on the adsorption of cell and virus. The antiviral mechanism of PEF is different from ribavirin. CONCLUSION The results indicate that PEF showed strong antiviral activity against influenza virus at a very early stage of the interaction with virus particles or their entry into the cells. PEF has a great potential as a resource of healthy products.
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Affiliation(s)
- Furong Wang
- Institute of Pharmacology, Toxicology and Biochemical Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, PR China.
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23
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Feng E, Shin WJ, Zhu X, Li J, Ye D, Wang J, Zheng M, Zuo JP, No KT, Liu X, Zhu W, Tang W, Seong BL, Jiang H, Liu H. Structure-Based Design and Synthesis of C-1- and C-4-Modified Analogs of Zanamivir as Neuraminidase Inhibitors. J Med Chem 2013; 56:671-84. [DOI: 10.1021/jm3009713] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Enguang Feng
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Woo-Jin Shin
- Department
of Biotechnology,
College of Life Science and Biotechnology, Yonsei University, Seoul 120-749, South Korea
| | - Xuelian Zhu
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Jian Li
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Deju Ye
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Jiang Wang
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Mingyue Zheng
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Jian-Ping Zuo
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Kyoung Tai No
- Department
of Biotechnology,
College of Life Science and Biotechnology, Yonsei University, Seoul 120-749, South Korea
| | - Xian Liu
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Weiliang Zhu
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Wei Tang
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Baik-Lin Seong
- Department
of Biotechnology,
College of Life Science and Biotechnology, Yonsei University, Seoul 120-749, South Korea
| | - Hualiang Jiang
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
| | - Hong Liu
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu chong zhi Road, Shanghai
201203, China
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24
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Polymer-attached zanamivir inhibits synergistically both early and late stages of influenza virus infection. Proc Natl Acad Sci U S A 2012. [PMID: 23185023 DOI: 10.1073/pnas.1219155109] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Covalently conjugating multiple copies of the drug zanamivir (ZA; the active ingredient in Relenza) via a flexible linker to poly-l-glutamine (PGN) enhances the anti-influenza virus activity by orders of magnitude. In this study, we investigated the mechanisms of this phenomenon. Like ZA itself, the PGN-attached drug (PGN-ZA) binds specifically to viral neuraminidase and inhibits both its enzymatic activity and the release of newly synthesized virions from infected cells. Unlike monomeric ZA, however, PGN-ZA also synergistically inhibits early stages of influenza virus infection, thus contributing to the markedly increased antiviral potency. This inhibition is not caused by a direct virucidal effect, aggregation of viruses, or inhibition of viral attachment to target cells and the subsequent endocytosis; rather, it is a result of interference with intracellular trafficking of the endocytosed viruses and the subsequent virus-endosome fusion. These findings both rationalize the great anti-influenza potency of PGN-ZA and reveal that attaching ZA to a polymeric chain confers a unique mechanism of antiviral action potentially useful for minimizing drug resistance.
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25
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Hayakawa M, Toda N, Carrillo N, Thornburg NJ, Crowe JE, Barbas CF. A chemically programmed antibody is a long-lasting and potent inhibitor of influenza neuraminidase. Chembiochem 2012; 13:2191-5. [PMID: 22965667 PMCID: PMC3517015 DOI: 10.1002/cbic.201200439] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2012] [Indexed: 11/10/2022]
Abstract
Programming an anti-flu strategy: A new and potent neuraminidase inhibitor that maintains long-term systemic exposure of an antibody and the therapeutic activity of the neuraminadase inhibitor zanamivir has been created. This strategy could provide a promising new class of influenza A drugs for therapy and prophylaxis, and validates enzyme inhibitors as programming agents in synthetic immunology.
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Affiliation(s)
- Masahiko Hayakawa
- Departments of Chemistry, Molecular Biology, and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North, Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Narihiro Toda
- Departments of Chemistry, Molecular Biology, and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North, Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Nancy Carrillo
- Departments of Chemistry, Molecular Biology, and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North, Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Natalie J. Thornburg
- Departments of Pediatrics, Pathology, Microbiology and Immunology, and Vanderbilt Vaccine Center, Vanderbilt University Medical Center, 11475 Medical Research Building IV - 2213 Garland Ave. Nashville, TN 37232-0417
| | - James E. Crowe
- Departments of Pediatrics, Pathology, Microbiology and Immunology, and Vanderbilt Vaccine Center, Vanderbilt University Medical Center, 11475 Medical Research Building IV - 2213 Garland Ave. Nashville, TN 37232-0417
| | - Carlos F. Barbas
- Departments of Chemistry, Molecular Biology, and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North, Torrey Pines Road, La Jolla, CA 92037 (USA)
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26
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Feng E, Ye D, Li J, Zhang D, Wang J, Zhao F, Hilgenfeld R, Zheng M, Jiang H, Liu H. Recent advances in neuraminidase inhibitor development as anti-influenza drugs. ChemMedChem 2012; 7:1527-36. [PMID: 22807317 DOI: 10.1002/cmdc.201200155] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2012] [Revised: 06/13/2012] [Indexed: 11/06/2022]
Abstract
The recent emergence of the highly pathogenic H5N1 subtype of avian influenza virus (AIV) and of the new type of human influenza A (H1N1) have emphasized the need for the development of effective anti-influenza drugs. Presently, neuraminidase (NA) inhibitors are widely used in the treatment and prophylaxis of human influenza virus infection, and tremendous efforts have been made to develop more potent NA inhibitors to combat resistance and new influenza viruses. In this review, we discuss the structural characteristics of NA catalytic domains and the recent developments of new NA inhibitors using structure-based drug design strategies. These drugs include analogues of zanamivir, analogues of oseltamivir, analogues of peramivir, and analogues of aromatic carboxylic acid and present promising options for therapeutics or leads for further development of NA inhibitors that may be useful in the event of a future influenza pandemic.
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Affiliation(s)
- Enguang Feng
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Graduate School of the Chinese Academy of Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
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27
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Danial M, Root MJ, Klok HA. Polyvalent side chain peptide-synthetic polymer conjugates as HIV-1 entry inhibitors. Biomacromolecules 2012; 13:1438-47. [PMID: 22455441 DOI: 10.1021/bm300150q] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
This report describes the synthesis and properties of a series of polyvalent side chain peptide-synthetic polymer conjugates designed to block the CD4 binding site on gp120 and inhibit HIV-1 entry into a host cell. The peptide sequences in the conjugates are based on the CDR H3 region of the neutralizing anti-HIV-1 antibody IgG1 b12. Using a consecutive ester-amide/thiol-ene postpolymerization modification strategy, a library of polymer conjugates was prepared. Evaluation of the HIV-1 inhibitory properties revealed that midsized polymer conjugates displayed the highest antiviral activity, while shorter and longer conjugates proved to be less efficacious inhibitors. The lower molecular weight conjugates may not have sufficient length to span the distance between two neighboring gp120 containing spikes, while the higher molecular weight conjugates may be compromised due to a higher entropic penalty that would accompany their binding to the viral envelope. Although the IC(50) values for these polymer conjugates are higher than that of the parent IgG1 b12 antibody, the strategy presented here may represent an interesting antiviral approach due to the attractive properties of such polymer therapeutics (relatively inexpensive production and purification costs, high thermal and chemical stability in storage conditions, long half-life in biological tissues, low immunogenicity, and protection from proteolytic degradation).
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Affiliation(s)
- Maarten Danial
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015 Lausanne, Switzerland
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28
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New pharmaceutical applications for macromolecular binders. J Control Release 2011; 155:200-10. [DOI: 10.1016/j.jconrel.2011.04.027] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Revised: 04/07/2011] [Accepted: 04/27/2011] [Indexed: 12/17/2022]
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29
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Kane RS. Thermodynamics of multivalent interactions: influence of the linker. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:8636-40. [PMID: 20131760 PMCID: PMC2877167 DOI: 10.1021/la9047193] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
This paper describes a thermodynamic analysis of multivalent interactions, with the goal of clarifying the influence of the linker on the enhancement in avidity due to multivalency. The use of multivalency represents a promising approach to inhibit undesired biological interactions, promote desired cellular responses, and control recognition events at surfaces. Several groups have synthesized multivalent ligands that are orders of magnitude more potent than the corresponding monovalent ligands. A better understanding of the theoretical basis for the large enhancements in avidity would help guide the design of more potent synthetic multivalent ligands. In particular, there has been significant controversy regarding the extent to which the loss of conformational entropy of the linker influences the enhancement in avidity due to multivalency. To help clarify this issue, we present the thermodynamic analysis of a heterodivalent ligand-receptor interaction. Our analysis helps reconcile seemingly competing theoretical analyses of multivalent binding. Our results indicate that the dependence of the free energy of multivalent binding on linker length can be weak even if there is a significant decrease in the conformational entropy of the linker on binding. Our results are also consistent with studies demonstrating that the use of flexible linkers represents an effective strategy to design potent multivalent ligands.
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Affiliation(s)
- Ravi S Kane
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, USA.
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30
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Kulkarni AA, Weiss AA, Iyer SS. Glycan-based high-affinity ligands for toxins and pathogen receptors. Med Res Rev 2010; 30:327-93. [DOI: 10.1002/med.20196] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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31
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Haldar J, Alvarez de Cienfuegos L, Tumpey TM, Gubareva LV, Chen J, Klibanov AM. Bifunctional polymeric inhibitors of human influenza A viruses. Pharm Res 2009; 27:259-63. [PMID: 20013036 DOI: 10.1007/s11095-009-0013-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2009] [Accepted: 11/12/2009] [Indexed: 11/25/2022]
Abstract
PURPOSE New antiviral agents were prepared by attaching derivatives of sialic acid (1) and of the drug zanamivir (2) to poly(isobutylene-alt-maleic anhydride) (poly-(1 + 2)) or by mixing poly-1 and poly-2, followed by assaying them against wild-type and drug-resistant influenza A Wuhan viruses. METHODS Individually or together, 1 and 2 were covalently bonded to the polymer. The antiviral potencies of the resultant poly-1, poly-2, poly-(1 + 2), and poly-1 + poly-2, as well as 1 and 2, were assessed using plaque reduction assay. RESULTS Attaching 1 to the polymer improved at best millimolar IC(50) values over three orders of magnitude. While 2 exhibited micromolar IC(50) values, poly-2 was >100-fold even more potent. The IC(50) of poly-(1 + 2) against the wild-type strain was >300-fold and approximately 17-fold better than of poly-1 and poly-2, respectively. In contrast, the potency of poly-(1 + 2) vs. poly-2 against the mutant strain merely doubled. The mixture of poly-1 + poly-2 inhibited both viral strains similarly to poly-2. CONCLUSIONS The bifunctional poly-(1 + 2) acts synergistically against the wild-type influenza virus, but not against its drug-resistant mutant, as compared to a physical mixture of the monofunctional poly-1 and poly-2.
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Affiliation(s)
- Jayanta Haldar
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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32
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Magano J. Synthetic Approaches to the Neuraminidase Inhibitors Zanamivir (Relenza) and Oseltamivir Phosphate (Tamiflu) for the Treatment of Influenza. Chem Rev 2009; 109:4398-438. [DOI: 10.1021/cr800449m] [Citation(s) in RCA: 185] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Javier Magano
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340
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Abstract
Viruses, particularly those that are harmful to humans, are the 'silent terrorists' of the twenty-first century. Well over four million humans die per annum as a result of viral infections alone. The scourge of influenza virus has plagued mankind throughout the ages. The fact that new viral strains emerge on a regular basis, particularly out of Asia, establishes a continual socio-economic threat to mankind. The arrival of the highly pathogenic avian influenza H5N1 heightened the threat of a potential human pandemic to the point where many countries have put in place 'preparedness plans' to defend against such an outcome. The discovery of the first designer influenza virus sialidase inhibitor and anti-influenza drug Relenza, and subsequently Tamiflu, has now inspired a number of continuing efforts towards the discovery of next generation anti-influenza drugs. Such drugs may act as 'first-line-of-defence' against the spread of influenza infection and buy time for necessary vaccine development particularly in a human pandemic setting. Furthermore, the fact that influenza virus can develop resistance to therapeutics makes these continuing efforts extremely important. An overview of the role of the virus-associated glycoprotein sialidase (neuraminidase) and some of the most recent developments towards the discovery of anti-influenza drugs based on the inhibition of influenza virus sialidase is provided in this chapter.
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Gujraty KV, Yanjarappa MJ, Saraph A, Joshi A, Mogridge J, Kane RS. Synthesis of Homopolymers and Copolymers Containing an Active Ester of Acrylic Acid by RAFT: Scaffolds for Controlling Polyvalent Ligand Display. ACTA ACUST UNITED AC 2008; 46:7246-7257. [PMID: 19855852 DOI: 10.1002/pola.23031] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We describe the synthesis of activated homopolymers and copolymers of controlled molecular weight based on the controlled radical polymerization of N-acryloyloxysuccinimide (NAS) by reversible addition fragmentation chain transfer (RAFT). We synthesized activated homopolymers in a range of molecular weights with polydispersities between 1 and 1.2. The attachment of an inhibitory peptide to the activated polymer backbone yielded a potent controlled molecular weight polyvalent inhibitor of anthrax toxin. To provide greater control over the placement of the peptides along the polymer backbone, we also used a semi-batch copolymerization method to synthesize copolymers of NAS and acrylamide (AAm). This approach enabled the synthesis of copolymers with control over the placement of peptide-reactive NAS monomers along an inert backbone; subsequent functionalization of NAS with peptide yielded well-defined polyvalent anthrax toxin inhibitors that differed in their potencies. These strategies for controlling molecular weight, ligand density, and ligand placement will be broadly applicable for designing potent polyvalent inhibitors for a variety of pathogens and toxins, and for elucidating structure-activity relationships in these systems.
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Affiliation(s)
- Kunal V Gujraty
- The Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York, 12180
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Affiliation(s)
- Amit Joshi
- The Howard P Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, NY 12180, USA
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36
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Marra A, Moni L, Pazzi D, Corallini A, Bridi D, Dondoni A. Synthesis of sialoclusters appended to calix[4]arene platforms via multiple azide-alkyne cycloaddition. New inhibitors of hemagglutination and cytopathic effect mediated by BK and influenza A viruses. Org Biomol Chem 2008; 6:1396-409. [DOI: 10.1039/b800598b] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Joshi A, Saraph A, Poon V, Mogridge J, Kane RS. Synthesis of potent inhibitors of anthrax toxin based on poly-L-glutamic acid. Bioconjug Chem 2007; 17:1265-9. [PMID: 16984137 PMCID: PMC2698798 DOI: 10.1021/bc060042y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report the synthesis of biodegradable polyvalent inhibitors of anthrax toxin based on poly-L-glutamic acid (PLGA). These biocompatible polyvalent inhibitors are at least 4 orders of magnitude more potent than the corresponding monovalent peptides in vitro and are comparable in potency to polyacrylamide-based inhibitors of anthrax toxin assembly. We have elucidated the influence of peptide density on inhibitory potency and demonstrated that these inhibitory potencies are limited by kinetics, with even higher activities seen when the inhibitors are preincubated with the heptameric receptor-binding subunit of anthrax toxin prior to exposure to cells. These polyvalent inhibitors are also effective at neutralizing anthrax toxin in vivo and represent attractive leads for designing biocompatible anthrax therapeutics.
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Affiliation(s)
- Amit Joshi
- The Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, USA
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Islam T, von Itzstein M. Anti-Influenza Drug Discovery: Are We Ready for the Next Pandemic? Adv Carbohydr Chem Biochem 2007; 61:293-352. [DOI: 10.1016/s0065-2318(07)61006-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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39
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Ikeda K, Sato K, Kitani S, Suzuki T, Maki N, Suzuki Y, Sato M. 2-Deoxy-2,3-didehydro-N-acetylneuraminic acid analogues structurally modified at the C-4 position: Synthesis and biological evaluation as inhibitors of human parainfluenza virus type 1. Bioorg Med Chem 2006; 14:7893-7. [PMID: 16908163 DOI: 10.1016/j.bmc.2006.07.045] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2006] [Revised: 07/25/2006] [Accepted: 07/26/2006] [Indexed: 11/28/2022]
Abstract
To explore the influence of binding to human parainfluenza virus type 1 (hPIV-1), a series of 4-O-substituted Neu5Ac2en derivatives 6a-e was synthesized and tested for their ability to inhibit hPIV-1 sialidase. Among compounds 6a-e, the 4-O-ethyl-Neu5Ac2en derivative 6b showed the most potent inhibitory activity (IC50 6.3 microM) against hPIV-1 sialidase.
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Affiliation(s)
- Kiyoshi Ikeda
- Department of Organic Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan.
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Influenza Neuraminidase Inhibitors as Antiviral Agents. ANNUAL REPORTS IN MEDICINAL CHEMISTRY 2006. [DOI: 10.1016/s0065-7743(06)41019-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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41
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McKimm-Breschkin JL. Management of influenza virus infections with neuraminidase inhibitors: detection, incidence, and implications of drug resistance. ACTA ACUST UNITED AC 2005; 4:107-16. [PMID: 15813662 PMCID: PMC7099216 DOI: 10.2165/00151829-200504020-00004] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Although influenza vaccination remains the primary method for the prevention of influenza, efficacy may be limited by a poor match between the vaccine and circulating strains and the poor response of elderly patients. Hence, there is an important role for antiviral therapy in the management of influenza. While amantadine and rimantadine have been available for the treatment of influenza in some countries for several years, they are only effective against influenza A viruses, they can have neurological and gastrointestinal adverse effects, and resistant virus is rapidly generated. Neuraminidase inhibitors, a new class of drug, are potent and specific inhibitors of all strains of influenza virus, and they have minimal adverse effects. The greatest benefit is seen in those patients presenting <30 hours after development of influenza symptoms, those with severe symptoms or those in high-risk groups. In addition to treatment of the infection, both drugs are effective prophylactically and have been shown to limit spread of infection in close communities, such as families and in nursing homes. No resistant virus strains have been isolated from normal individuals treated with zanamivir. Resistant virus can be isolated from approximately 1% of adults and 5% of paediatric patients with influenza treated with oseltamivir. However, infectivity of mutant viruses is generally compromised. Governments spend millions of dollars on influenza vaccination campaigns; however, once influenza virus is circulating in the community, vaccination cannot limit the spread of disease. A greater promotion of the use of neuraminidase inhibitors for the treatment and prevention of influenza could have a significant impact on limiting its spread. This could result in saving millions of dollars, not only in direct costs associated with medical and hospital care, but also significant savings in indirect costs associated with the loss of productivity at work, school and home environments. For the benefit of all communities, there needs to be a greater awareness of the symptoms of influenza and the efficacy of neuraminidase inhibitors in disease treatment.
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Macdonald SJF, Watson KG, Cameron R, Chalmers DK, Demaine DA, Fenton RJ, Gower D, Hamblin JN, Hamilton S, Hart GJ, Inglis GGA, Jin B, Jones HT, McConnell DB, Mason AM, Nguyen V, Owens IJ, Parry N, Reece PA, Shanahan SE, Smith D, Wu WY, Tucker SP. Potent and long-acting dimeric inhibitors of influenza virus neuraminidase are effective at a once-weekly dosing regimen. Antimicrob Agents Chemother 2005; 48:4542-9. [PMID: 15561823 PMCID: PMC529190 DOI: 10.1128/aac.48.12.4542-4549.2004] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Dimeric derivatives (compounds 7 to 9) of the influenza virus neuraminidase inhibitor zanamivir (compound 2), which have linking groups of 14 to 18 atoms in length, are approximately 100-fold more potent inhibitors of influenza virus replication in vitro and in vivo than zanamivir. The observed optimum linker length of 18 to 22 A, together with observations that the dimers cause aggregation of isolated neuraminidase tetramers and whole virus, indicate that the dimers benefit from multivalent binding via intertetramer and intervirion linkages. The outstanding long-lasting protective activities shown by compounds 8 and 9 in mouse influenza infectivity experiments and the extremely long residence times observed in the lungs of rats suggest that a single low dose of a dimer would provide effective treatment and prophylaxis for influenza virus infections.
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Carrillo A, Yanjarappa MJ, Gujraty KV, Kane RS. Biofunctionalized block copolymer nanoparticles based on ring-opening metathesis polymerization. ACTA ACUST UNITED AC 2005. [DOI: 10.1002/pola.21219] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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45
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Meanwell NA, Serrano-Wu MH, Snyder LB. Chapter 22. Non-HIV antiviral agents. ANNUAL REPORTS IN MEDICINAL CHEMISTRY 2004; 38:213-228. [PMID: 32287463 PMCID: PMC7126470 DOI: 10.1016/s0065-7743(03)38023-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
This chapter focuses on non-HIV antiviral agents. The development of antiviral agents to treat non-HIV infections is largely focused on therapies for the treatment of chronic hepatitis infections B and C. Nucleoside analog continue to be the mainstay of Hepatitis B Virus (HBV) therapeutics. The first small molecule inhibitor of Hepatitis C Virus (HCV), the NS3 protease inhibitor BILN-2061, entered phase 2 clinical trials, producing a striking reduction in viral load in treated individuals. The development of the HCV replicon system and its application to screening for antiviral agents provided tangible benefit with the disclosure of mechanistically and structurally diverse HCV inhibitors. Adefovir dipivoxil has been approved in the United States and the European Union for the treatment of HBV, providing a second small molecule antiviral to add to lamivudine (3TC) and the injectable protein IFNα as the only approved agents for treating HBV infection. The chapter also provides details of the inhibitors of hepatitis B and C virus, the inhibitors of simplex virus and human cytomegalovirus, the inhibitors of respiratory viruses and the inhibitors of West Nile virus and Papilloma virus.
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Affiliation(s)
- Nicholas A Meanwell
- Department of Chemistry, The Bristol-Myers Squibb Pharmaceutical Research Institute 5 Research Parkway, Wallingford, CT 06492, USA
| | - Michael H Serrano-Wu
- Department of Chemistry, The Bristol-Myers Squibb Pharmaceutical Research Institute 5 Research Parkway, Wallingford, CT 06492, USA
| | - Lawrence B Snyder
- Department of Chemistry, The Bristol-Myers Squibb Pharmaceutical Research Institute 5 Research Parkway, Wallingford, CT 06492, USA
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Watson KG, Cameron R, Fenton RJ, Gower D, Hamilton S, Jin B, Krippner GY, Luttick A, McConnell D, MacDonald SJF, Mason AM, Nguyen V, Tucker SP, Wu WY. Highly potent and long-acting trimeric and tetrameric inhibitors of influenza virus neuraminidase. Bioorg Med Chem Lett 2004; 14:1589-92. [PMID: 15006410 DOI: 10.1016/j.bmcl.2003.09.102] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2003] [Accepted: 09/15/2003] [Indexed: 10/26/2022]
Abstract
A set of trimeric and tetrameric derivatives 6-11 of the influenza virus neuraminidase inhibitor zanamivir 1 have been synthesized by coupling a common monomeric zanamivir derivative 3 onto various multimeric carboxylic acid core groups. These discrete multimeric compounds are all significantly more antiviral than zanamivir and also show outstanding long-lasting protective activity when tested in mouse influenza infectivity experiments.
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Affiliation(s)
- Keith G Watson
- Biota Chemistry Laboratory, School of Chemistry, Monash University, PO Box 23, Victoria 3800, Australia.
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Masuda T, Shibuya S, Arai M, Yoshida S, Tomozawa T, Ohno A, Yamashita M, Honda T. Synthesis and anti-influenza evaluation of orally active bicyclic ether derivatives related to zanamivir. Bioorg Med Chem Lett 2003; 13:669-73. [PMID: 12639555 DOI: 10.1016/s0960-894x(02)01039-9] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We synthesized bicyclic ether sialidase inhibitors such as tetrahydro-furan-2-yl, tetrahydro-pyran-2-yl, and oxepan-2-yl derivatives related to zanamivir. These compounds substituted by diol at the C-3' and C-4' positions resulted in the retention of low nanomolar inhibitory activities against not only influenza A virus sialidase but also influenza A virus in cell culture. Compound 11a in particular showed comparable efficacy in vivo relative to that of oseltamivir phosphate.
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Affiliation(s)
- Takeshi Masuda
- Medicinal Chemistry Research Laboratories, Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
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48
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Walker MA. Molecules. Drug Discov Today 2003. [DOI: 10.1016/s1359-6446(03)02601-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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49
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Masuda T, Yoshida S, Arai M, Kaneko S, Yamashita M, Honda T. Synthesis and Anti-influenza Evaluation of Polyvalent Sialidase Inhibitors Bearing 4-Guanidino-Neu5Ac2en Derivatives. Chem Pharm Bull (Tokyo) 2003; 51:1386-98. [PMID: 14646315 DOI: 10.1248/cpb.51.1386] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Polyvalent sialidase inhibitors bearing 4-guanidino-Neu5Ac2en derivatives on a poly-L-glutamine backbone are described. Aiming for a longer retention time of 4-guanidino-Neu5Ac2en (zanamivir) in bronchi and lungs, we focused on supermolecules bearing 4-guanidino-Neu5Ac2en derivatives bound at their C-7 position through noncleavable alkyl ether linkages. We first found that alkylation of the 7-hydroxyl group of sialic acid derivative 8 proceeded smoothly, and produced 7-O-alkyl-4-guanidino-Neu5Ac2en derivatives 13, which exhibited equipotent inhibitory activity against not only influenza A virus sialidase but also influenza A virus in the cell culture. Next, we synthesized poly-L-glutamine bearing 7-O-alkyl-4-guanidino-Neu5Ac2en derivatives linked by amide bonds, 26, which showed enhanced antiviral activity against influenza A virus and more potent efficacy in vivo relative to a monomeric sialidase inhibitor.
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Affiliation(s)
- Takeshi Masuda
- Medicinal Chemistry Research Laboratories, Sankyo Co., Ltd., Tokyo, Japan.
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