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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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Discovery of N-substituted oseltamivir derivatives as novel neuraminidase inhibitors with improved drug resistance profiles and favorable drug-like properties. Eur J Med Chem 2023; 252:115275. [PMID: 36931117 DOI: 10.1016/j.ejmech.2023.115275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 02/25/2023] [Accepted: 03/09/2023] [Indexed: 03/14/2023]
Abstract
To yield potent neuraminidase inhibitors with improved drug resistance and favorable drug-like properties, two series of novel oseltamivir derivatives targeting the 150-cavity of neuraminidase were designed, synthesized, and biologically evaluated. Among the synthesized compounds, the most potent compound 43b bearing 3-floro-4-cyclopentenylphenzyl moiety exhibited weaker or slightly improved inhibitory activity against wild-type neuraminidases (NAs) of H1N1, H5N1, and H5N8 compared to oseltamivir carboxylate (OSC). Encouragingly, 43b displayed 62.70- and 5.03-fold more potent activity than OSC against mutant NAs of H5N1-H274Y and H1N1-H274Y, respectively. In cellular antiviral assays, 43b exerted equivalent or more potent activities against H1N1, H5N1, and H5N8 compared to OSC with no significant cytotoxicity up to 200 μM. Notably, 43b displayed potent antiviral efficacy in the embryonated egg model, in which achieved a protective effect against H5N1 and H5N8 similar to OSC. Molecular docking studies were implemented to reveal the binding mode of 43b in the binding pocket. Moreover, 43b possessed improved physicochemical properties and ADMET properties compared to OSC by in silico prediction. Taken together, 43b appeared to be a promising lead compound for further investigation.
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Alshamari AK. Design and Synthesis of Novel 1,2,3-Triazole Levonorgestrel Derivatives via Click Chemistry. Anticancer Activity and Molecular Docking. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s107042802212017x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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Hegazy A, Mostafa I, Elshaier YAMM, Mahmoud SH, Abo Shama NM, Shehata M, Yahya G, Nasr NF, El-Halawany AM, Ali MA, Ali MA, Mraheil MA, El-Shazly AM, Mostafa A. Robust Antiviral Activity of Santonica Flower Extract ( Artemisia cina) against Avian and Human Influenza A Viruses: In Vitro and Chemoinformatic Studies. ACS OMEGA 2022; 7:41212-41223. [PMID: 36406485 PMCID: PMC9670689 DOI: 10.1021/acsomega.2c04867] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 10/20/2022] [Indexed: 05/25/2023]
Abstract
The evolution of drug-resistant viral strains following natural acquisition of resistance mutations is a major obstacle to antiviral therapy. Besides the improper prescription of the currently licensed anti-influenza medications, M2-blockers and neuraminidase inhibitors, to control poultry outbreaks/infections potentiates the emergence of drug-resistant influenza variants. Therefore, there is always a necessity to find out new alternatives with potent activity and high safety. Plant extracts and plant-based chemicals represent a historical antiviral resource with remarkable safety in vitro and in vivo to control the emerging and remerging health threats caused by viral infections. Herein, a panel of purified plant extracts and subsequent plant-derived chemicals were evaluated for their anti-avian influenza activity against zoonotic highly pathogenic influenza A/H5N1 virus. Interestingly, santonica flower extract (Artemisia cina) showed the most promising anti-H5N1 activity with a highly safe half-maximal cytotoxic concentration 50 (CC50 > 10 mg/mL) and inhibitory concentration 50 (IC50 of 3.42 μg/mL). To confirm the anti-influenza activity, we assessed the anti-influenza activity of the selected plant extracts against seasonal human influenza A/H1N1 virus and we found that santonica flower extract showed a robust anti-influenza activity that was comparable to the activity against influenza A/H5N1. Furthermore, the mode of action for santonica flower extract with strong inhibitory activity on the abovementioned influenza strains was elucidated, showing a virucidal effect. To go deeper about the activity of the chemometric component of the extract, the major constituent, santonin, was further selected for in vitro screening against influenza A/H5N1 (IC50 = 1.701 μg/mL) and influenza A/H1N1 (IC50 = 2.91 μg/mL). The oxygen of carbonyl functionality in the cyclohexene ring succeeded to form a hydrogen bond with the neuraminidase active site. Despite the fact that santonin revealed similarity to both reference neuraminidase inhibitors in forming hydrogen bonds with essential amino acids, it illustrated shape alignment to oseltamivir more than zanamivir according to Tanimoto algorithms. This study highlights the applicability of santonica flower extract as a promising natural antiviral against low and highly pathogenic influenza A viruses.
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Affiliation(s)
- Akram Hegazy
- Department of Agricultural Microbiology, Faculty of Agriculture, Cairo University, Giza District, 12613Giza, Egypt
| | - Islam Mostafa
- Department of Pharmacognosy, Faculty of Pharmacy, Zagazig University, Zagazig44519, Egypt
| | - Yaseen A M M Elshaier
- Department of Organic and Medicinal Chemistry, Faculty of Pharmacy, University of Sadat City, Menoufia32897, Egypt
| | - Sara H Mahmoud
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza12622, Egypt
| | - Noura M Abo Shama
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza12622, Egypt
| | - Mahmoud Shehata
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza12622, Egypt
| | - Galal Yahya
- Department of Microbiology and Immunology, Faculty of Pharmacy, Zagazig University, Zagazig44519, Egypt
| | - Nasr Fawzy Nasr
- Department of Agricultural Microbiology, Faculty of Agriculture, Cairo University, Giza District, 12613Giza, Egypt
| | - Ali M El-Halawany
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Giza11562, Egypt
| | - Mohamed Abdelalim Ali
- Department of Agricultural Microbiology, Faculty of Agriculture, Cairo University, Giza District, 12613Giza, Egypt
| | - Mohamed A Ali
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza12622, Egypt
| | - Mobarak Abu Mraheil
- German Center for Infection Research (DZIF), Institute of Medical Microbiology, Justus-Liebig University, 35392Giessen, Germany
| | - Assem M El-Shazly
- Department of Pharmacognosy, Faculty of Pharmacy, Zagazig University, Zagazig44519, Egypt
- Faculty of Pharmacy, El Saleheya El Gadida University, El Saleheya El Gadida44813, Egypt
| | - Ahmed Mostafa
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza12622, Egypt
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Benzothiazole-tethered 1,2,3-triazoles: Synthesis, antimicrobial, antioxidant, and molecular docking studies. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Jia R, Zhang J, Zhang J, Bertagnin C, Bonomini A, Guizzo L, Gao Z, Ji X, Li Z, Liu C, Ju H, Ma X, Loregian A, Huang B, Zhan P, Liu X. Discovery of Novel Boron-Containing N-Substituted Oseltamivir Derivatives as Anti-Influenza A Virus Agents for Overcoming N1-H274Y Oseltamivir-Resistant. Molecules 2022; 27:molecules27196426. [PMID: 36234966 PMCID: PMC9571049 DOI: 10.3390/molecules27196426] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 09/22/2022] [Accepted: 09/26/2022] [Indexed: 11/23/2022] Open
Abstract
To address drug resistance to influenza virus neuraminidase inhibitors (NAIs), a series of novel boron-containing N-substituted oseltamivir derivatives were designed and synthesized to target the 150-cavity of neuraminidase (NA). In NA inhibitory assays, it was found that most of the new compounds exhibited moderate inhibitory potency against the wild-type NAs. Among them, compound 2c bearing 4-(3-boronic acid benzyloxy)benzyl group displayed weaker or slightly improved activities against group-1 NAs (H1N1, H5N1, H5N8 and H5N1-H274Y) compared to that of oseltamivir carboxylate (OSC). Encouragingly, 2c showed 4.6 times greater activity than OSC toward H5N1-H274Y NA. Moreover, 2c exerted equivalent or more potent antiviral activities than OSC against H1N1, H5N1 and H5N8. Additionally, 2c demonstrated low cytotoxicity in vitro and no acute toxicity at the dose of 1000 mg/kg in mice. Molecular docking of 2c was employed to provide a possible explanation for the improved anti-H274Y NA activity, which may be due to the formation of key additional hydrogen bonds with surrounding amino acid residues, such as Arg152, Gln136 and Val149. Taken together, 2c appeared to be a promising lead compound for further optimization.
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Affiliation(s)
- Ruifang Jia
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan 250012, China
| | - Jiwei Zhang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan 250012, China
| | - Jian Zhang
- Institute of Medical Sciences, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250033, China
| | - Chiara Bertagnin
- Department of Molecular Medicine, University of Padova, Via Gabelli 63, 35121 Padova, Italy
| | - Anna Bonomini
- Department of Molecular Medicine, University of Padova, Via Gabelli 63, 35121 Padova, Italy
| | - Laura Guizzo
- Department of Molecular Medicine, University of Padova, Via Gabelli 63, 35121 Padova, Italy
| | - Zhen Gao
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan 250012, China
| | - Xiangkai Ji
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan 250012, China
| | - Zhuo Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan 250012, China
| | - Chuanfeng Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan 250012, China
| | - Han Ju
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan 250012, China
| | - Xiuli Ma
- Institute of Poultry Science, Shandong Academy of Agricultural Sciences, 1 Jiaoxiao Road, Jinan 250023, China
| | - Arianna Loregian
- Department of Molecular Medicine, University of Padova, Via Gabelli 63, 35121 Padova, Italy
| | - Bing Huang
- Institute of Poultry Science, Shandong Academy of Agricultural Sciences, 1 Jiaoxiao Road, Jinan 250023, China
- Correspondence: (B.H.); (P.Z.); (X.L.)
| | - Peng Zhan
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan 250012, China
- China-Belgium Collaborative Research Center for Innovative Antiviral Drugs of Shandong Province, 44 West Culture Road, Jinan 250012, China
- Correspondence: (B.H.); (P.Z.); (X.L.)
| | - Xinyong Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan 250012, China
- China-Belgium Collaborative Research Center for Innovative Antiviral Drugs of Shandong Province, 44 West Culture Road, Jinan 250012, China
- Correspondence: (B.H.); (P.Z.); (X.L.)
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Pingaew R, Choomuenwai V, Leechaisit R, Prachayasittikul V, Prachayasittikul S, Prachayasittikul V. 1,2,3-Triazole Scaffold in Recent Medicinal Applications: Synthesis and Anticancer Potentials. HETEROCYCLES 2022. [DOI: 10.3987/rev-22-sr(r)4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Ye J, Lin L, Xu J, Chan PKS, Yang X, Ma C. Design, Synthesis, Biological Evaluation and In Silico Studies of Pyrazole-Based NH 2-Acyl Oseltamivir Analogues as Potent Neuraminidase Inhibitors. Pharmaceuticals (Basel) 2021; 14:371. [PMID: 33923858 PMCID: PMC8073777 DOI: 10.3390/ph14040371] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/09/2021] [Accepted: 04/15/2021] [Indexed: 12/12/2022] Open
Abstract
Oseltamivir represents one of the most successful neuraminidase (NA) inhibitors in the current anti-influenza therapy. The 150-cavity of NA was identified as an additional binding pocket, and novel NA inhibitors have been designed to occupy the 150-cavity based on the structure information of oseltamivir carboxylate (OC) in complex with NA. In this study, a series of C-5-NH2-acyl derivatives of OC containing the pyrazole moiety were synthesized. Several derivatives exhibited substantial inhibitory activity against NA. Moreover, in silico ADME evaluation indicated that the derivatives were drug-like with higher oral absorption rates and greater cell permeability than OC. Additionally, molecular docking studies revealed that the derivatives interacted with both the NA enzyme active site and 150-cavity as expected. The results provided useful information for further structural optimization of OC.
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Affiliation(s)
- Jiqing Ye
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China;
| | - Lin Lin
- Department of Microbiology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China; (L.L.); (P.K.-s.C.)
| | - Jinyi Xu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China;
| | - Paul Kay-sheung Chan
- Department of Microbiology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China; (L.L.); (P.K.-s.C.)
- Stanley Ho Centre for Emerging Infectious Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Xiao Yang
- Department of Microbiology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China; (L.L.); (P.K.-s.C.)
| | - Cong Ma
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China;
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