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Barboza MGL, Dyna AL, Lima TF, Tavares ER, Yamada-Ogatta SF, Deduch F, Orsato A, Toledo KA, Cunha AP, Ricardo NMPS, Galhardi LCF. In vitro antiviral effect of sulfated pectin from Mangifera indica against the infection of the viral agent of childhood bronchiolitis (Respiratory Syncytial Virus - RSV). Int J Biol Macromol 2024; 280:135387. [PMID: 39260645 DOI: 10.1016/j.ijbiomac.2024.135387] [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: 11/17/2023] [Revised: 08/21/2024] [Accepted: 09/05/2024] [Indexed: 09/13/2024]
Abstract
The Human Respiratory Syncytial Virus (RSV) is the leading cause of acute respiratory infections in children. Currently, no safe, effective, or feasible option for pharmacological management of RSV exists. Hence, plant-derived natural compounds have been explored as promising antiviral agents. Mangifera indica is a globally distributed plant with reported anti-inflammatory, cardioprotective, and antiviral activities. Our study investigated the antiviral potential of a novel pectin from M. indica peels (PMi) and its chemically sulfated derivative (PSMi) against RSV in HEp-2 cells. The compounds were characterized using Fourier-transform infrared spectroscopy and nuclear magnetic resonance (NMR). NMR analysis revealed the presence of ester and carboxylic acid groups in PMi, and sulfation resulted in a sulfation degree of 0.5. PMi and PSMi showed no cytotoxic effects even at concentrations as high as 2000 μg/mL. PSMi completely inhibited RSV infectivity (100-1.56 μg/mL, 50 % inhibitory concentration of viral infectivity = 0.77 ± 0.11 μg/mL). The mechanism of action was investigated using the 50 % tissue culture infectious dose assay. PSMi displayed virucidal activity at concentrations from 100 to 6.25 μg/mL, and a significant reduction in viral infection was observed at all treatment times. Overall, PSMi is antiviral, cell-safe, and exhibits promising potential as an RSV treatment.
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Affiliation(s)
- Mario Gabriel Lopes Barboza
- Departamento de Microbiologia - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil
| | - André Luiz Dyna
- Departamento de Microbiologia - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil
| | - Thiago Ferreira Lima
- Departamento de Microbiologia - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil
| | - Eliandro Reis Tavares
- Departamento de Microbiologia - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil; Departamento de Medicina, Pontifícia Universidade Católica do Paraná, Londrina, Paraná 86067-000, Brazil
| | - Sueli Fumie Yamada-Ogatta
- Departamento de Microbiologia - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil
| | - Flávia Deduch
- Departamento de Química - Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil
| | - Alexandre Orsato
- Departamento de Química - Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil
| | - Karina Alves Toledo
- Departamento de Ciências Biológicas, Universidade Estadual Paulista Júlio de Mesquita Filho, Assis, São Paulo 19806-900, Brazil
| | - Arcelina Pacheco Cunha
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Ceará 60455-760, Brazil
| | | | - Ligia Carla Faccin Galhardi
- Departamento de Microbiologia - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil.
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Huang L, Liu L, Zhu J, Chen N, Chen J, Chan CF, Gao F, Yin Y, Sun J, Zhang R, Zhang K, Qi W, Yue J. Bis-benzylisoquinoline alkaloids inhibit flavivirus entry and replication by compromising endolysosomal trafficking and autophagy. Virol Sin 2024:S1995-820X(24)00140-8. [PMID: 39251138 DOI: 10.1016/j.virs.2024.09.001] [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: 05/26/2024] [Accepted: 08/29/2024] [Indexed: 09/11/2024] Open
Abstract
Flaviviruses, such as dengue virus (DENV), Zika virus (ZIKV), and Japanese encephalitis virus (JEV), represent a substantial public health challenge as there are currently no approved treatments available. Here, we investigated the antiviral effects of bis-benzylisoquinoline alkaloids (BBAs) on flavivirus infections. We evaluated five specific BBAs-berbamine, tetrandrine, iso-tetrandrine, fangchinoline, and cepharanthine-and found that they effectively inhibited infections by ZIKV, DENV, or JEV by blocking virus entry and genome replication stages in the flavivirus life cycle. Furthermore, we synthesized a fluorophore-conjugated BBA and showed that BBAs targeted endolysosomes, causing lysosomal pH alkalization. Mechanistic studies on inhibiting ZIKV infection by BBAs revealed that these compounds blocked TRPML channels, leading to lysosomal dysfunction and reducing the expression of NCAM1, a key receptor for the entry of ZIKV into cells, thereby decreasing cells susceptibility to ZIKV infection. Additionally, BBAs inhibited the fusion of autophagosomes and lysosomes, significantly reducing viral RNA replication. Collectively, our results suggest that BBAs inhibit flavivirus entry and replication by compromising endolysosomal trafficking and autophagy, respectively, underscoring the potential of BBAs as therapeutic agents against flavivirus infections.
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Affiliation(s)
- Lihong Huang
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, 510642, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou, 510642, China; National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, 510642, China; Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangzhou, China
| | - Lele Liu
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, 510642, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou, 510642, China; National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, 510642, China; Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangzhou, China
| | - Junhai Zhu
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, 510642, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou, 510642, China; National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, 510642, China; Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangzhou, China
| | - Nanjun Chen
- Department of Computer Science, City University of Hong Kong, Hong Kong, 999077, China
| | - Jie Chen
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, 510642, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou, 510642, China
| | - Chuen-Fuk Chan
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, 999077, China
| | - Fei Gao
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, 510642, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou, 510642, China; National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, 510642, China; Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangzhou, China
| | - Youqin Yin
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, 510642, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou, 510642, China; National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, 510642, China; Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangzhou, China
| | - Jiufeng Sun
- Guangdong Workstation for Emerging Infectious Disease Control and Prevention, Guangdong Provincial Key Laboratory of Pathogen Detection for Emerging Infectious Disease Response, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Rongxin Zhang
- Laboratory of Immunology and Inflammation, Institute of Basic Medical Sciences and Department of Biotechnology, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Kehui Zhang
- State Key Laboratory of Bioactive Substance and Function of Natual Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China; Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China.
| | - Wenbao Qi
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, 510642, China; Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou, 510642, China; National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, 510642, China; Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangzhou, China.
| | - Jianbo Yue
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China; Division of Natural and Applied Sciences, Synear Molecular Biology Lab, Global Health Research Center, Duke Kunshan University, Kunshan, 215316, China; College of Life Sciences, Wuhan University, Wuhan, 430072, China.
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Zhu J, Chen H, Gao F, Jian W, Huang G, Sunkang Y, Chen X, Liao M, Zhang K, Qi W, Huang L. Bis-benzylisoquinoline alkaloids inhibit African swine fever virus internalization and replication by impairing late endosomal/lysosomal function. J Virol 2024; 98:e0032724. [PMID: 39082785 PMCID: PMC11334529 DOI: 10.1128/jvi.00327-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 07/02/2024] [Indexed: 08/21/2024] Open
Abstract
African swine fever (ASF), caused by the African swine fever virus (ASFV), is a highly infectious disease afflicting domestic pigs and wild boars. It exhibits an alarming acute infection fatality rate of up to 100%. Regrettably, no commercial vaccines or specific drugs for combating this disease are currently available. This study evaluated the anti-ASFV activities in porcine alveolar macrophages, 3D4/21 cells, and PK-15 cells of four bis-benzylisoquinoline alkaloids (BBAs): cepharanthine (CEP), tetrandrine, fangchinoline, and iso-tetrandrine. Furthermore, we demonstrated that CEP, which exhibited the highest selectivity index (SI = 81.31), alkalized late endosomes/lysosomes, hindered ASFV endosomal transport, disrupted virus uncoating signals, and thereby inhibited ASFV internalization. Additionally, CEP disrupted ASFV DNA synthesis, leading to the inhibition of viral replication. Moreover, berbamine was labeled with NBD to synthesize a fluorescent probe to study the cellular location of these BBAs. By co-staining with Lyso-Tracker and lysosome-associated membrane protein 1, we demonstrated that BBAs target the endolysosomal compartments for the first time. Our data together indicated that BBAs are a class of natural products with significant inhibitory effects against ASFV infection. These findings suggest their potential efficacy as agents for the prevention and control of ASF, offering valuable references for the identification of potential drug targets.IMPORTANCEThe urgency and severity of African swine fever (ASF) underscore the critical need for effective interventions against this highly infectious disease, which poses a grave threat to domestic pigs and wild boars. Our study reveals the potent anti-African swine fever virus (ASFV) efficacy of bis-benzylisoquinoline alkaloids (BBAs), particularly evident in the absence of progeny virus production under a 5 µM concentration treatment. The structural similarity among cepharanthine, tetrandrine, fangchinoline, and iso-tetrandrine, coupled with their analogous inhibitory stages and comparable selectivity indexes, strongly suggests a shared antiviral mechanism within this drug category. Further investigation revealed that BBAs localize to lysosomes and inhibit the internalization and replication of ASFV by disrupting the endosomal/lysosomal function. These collective results have profound implications for ASF prevention and control, suggesting the potential of the investigated agents as prophylactic and therapeutic measures. Furthermore, our study offers crucial insights into identifying drug targets and laying the groundwork for innovative interventions.
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Affiliation(s)
- Junhai Zhu
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
| | - Huahan Chen
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
| | - Fei Gao
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
| | - Weijun Jian
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
| | - Guangyu Huang
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
| | - Yongjie Sunkang
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
| | - Xiaona Chen
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
| | - Ming Liao
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
| | - Kehui Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wenbao Qi
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
| | - Lihong Huang
- State Key Laboratory for Animal Disease Control and Prevention, South China Agricultural University, Guangzhou, China
- African Swine Fever Regional Laboratory of China (Guangzhou), Guangzhou, China
- Key Laboratory of Zoonoses, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangzhou, China
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Sibille G, Mannino G, Frasson I, Pavan M, Luganini A, Salata C, Maffei ME, Gribaudo G. The Novel A-Type Proanthocyanidin-Rich Phytocomplex SP4™ Acts as a Broad-Spectrum Antiviral Agent against Human Respiratory Viruses. Int J Mol Sci 2024; 25:7370. [PMID: 39000477 PMCID: PMC11242173 DOI: 10.3390/ijms25137370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/01/2024] [Accepted: 07/03/2024] [Indexed: 07/16/2024] Open
Abstract
The appearance of new respiratory virus infections in humans with epidemic or pandemic potential has underscored the urgent need for effective broad-spectrum antivirals (BSAs). Bioactive compounds derived from plants may provide a natural source of new BSA candidates. Here, we investigated the novel phytocomplex formulation SP4™ as a candidate direct-acting BSA against major current human respiratory viruses, including coronaviruses and influenza viruses. SP4™ inhibited the in vitro replication of SARS-CoV-2, hCoV-OC43, hCoV-229E, Influenza A and B viruses, and respiratory syncytial virus in the low-microgram range. Using hCoV-OC43 as a representative respiratory virus, most of the antiviral activity of SP4™ was observed to stem primarily from its dimeric A-type proanthocyanidin (PAC-A) component. Further investigations of the mechanistic mode of action showed SP4™ and its PAC-A-rich fraction to prevent hCoV-OC43 from attaching to target cells and exert virucidal activity. This occurred through their interaction with the spike protein of hCoV-OC43 and SARS-CoV-2, thereby interfering with spike functions and leading to the loss of virion infectivity. Overall, these findings support the further development of SP4™ as a candidate BSA of a natural origin for the prevention of human respiratory virus infections.
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Affiliation(s)
- Giulia Sibille
- Microbiology and Virology Unit, Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123 Turin, Italy; (G.S.); (M.P.); (A.L.)
| | - Giuseppe Mannino
- Plant Physiology Unit, Department of Life Sciences and Systems Biology, University of Torino, Via Quarello 15/a, 10135 Torino, Italy; (G.M.); (M.E.M.)
| | - Ilaria Frasson
- Department of Molecular Medicine, University of Padova, 35121 Padova, Italy; (I.F.); (C.S.)
| | - Marta Pavan
- Microbiology and Virology Unit, Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123 Turin, Italy; (G.S.); (M.P.); (A.L.)
| | - Anna Luganini
- Microbiology and Virology Unit, Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123 Turin, Italy; (G.S.); (M.P.); (A.L.)
| | - Cristiano Salata
- Department of Molecular Medicine, University of Padova, 35121 Padova, Italy; (I.F.); (C.S.)
| | - Massimo E. Maffei
- Plant Physiology Unit, Department of Life Sciences and Systems Biology, University of Torino, Via Quarello 15/a, 10135 Torino, Italy; (G.M.); (M.E.M.)
| | - Giorgio Gribaudo
- Microbiology and Virology Unit, Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123 Turin, Italy; (G.S.); (M.P.); (A.L.)
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Hadpech S, Thongboonkerd V. Proteomic investigations of dengue virus infection: key discoveries over the last 10 years. Expert Rev Proteomics 2024; 21:281-295. [PMID: 39049185 DOI: 10.1080/14789450.2024.2383580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 07/12/2024] [Indexed: 07/27/2024]
Abstract
INTRODUCTION Dengue virus (DENV) infection remains one of the most significant infectious diseases in humans. Several efforts have been made to address its molecular mechanisms. Over the last 10 years, proteomics has been widely applied to investigate various aspects of DENV infection. AREAS COVERED In this review, we briefly introduce common proteomics approaches using various mass spectrometric modalities followed by summarizing all the discoveries obtained from proteomic investigations of DENV infection over the last 10 years. These include the data on DENV-vector interactions and host responses to address the DENV biology and disease mechanisms. Moreover, applications of proteomics to disease prevention, diagnosis, vaccine design, development of anti-DENV agents and other new treatment strategies are discussed. EXPERT OPINION Despite efforts on disease prevention, DENV infection is still a significant global healthcare burden that affects the general population. As summarized herein, proteomic technologies with high-throughput capabilities have provided more in-depth details of protein dynamics during DENV infection. More extensive applications of proteomics and other powerful research tools would provide a promise to better cope and prevent this mosquito-borne infectious disease.
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Affiliation(s)
- Sudarat Hadpech
- Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Adeosun WB, Loots DT. Medicinal Plants against Viral Infections: A Review of Metabolomics Evidence for the Antiviral Properties and Potentials in Plant Sources. Viruses 2024; 16:218. [PMID: 38399995 PMCID: PMC10892737 DOI: 10.3390/v16020218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/22/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
Most plants have developed unique mechanisms to cope with harsh environmental conditions to compensate for their lack of mobility. A key part of their coping mechanisms is the synthesis of secondary metabolites. In addition to their role in plants' defense against pathogens, they also possess therapeutic properties against diseases, and their use by humans predates written history. Viruses are a unique class of submicroscopic agents, incapable of independent existence outside a living host. Pathogenic viruses continue to pose a significant threat to global health, leading to innumerable fatalities on a yearly basis. The use of medicinal plants as a natural source of antiviral agents has been widely reported in literature in the past decades. Metabolomics is a powerful research tool for the identification of plant metabolites with antiviral potentials. It can be used to isolate compounds with antiviral capacities in plants and study the biosynthetic pathways involved in viral disease progression. This review discusses the use of medicinal plants as antiviral agents, with a special focus on the metabolomics evidence supporting their efficacy. Suggestions are made for the optimization of various metabolomics methods of characterizing the bioactive compounds in plants and subsequently understanding the mechanisms of their operation.
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Affiliation(s)
- Wilson Bamise Adeosun
- Human Metabolomics, North-West University, Private Bag X6001, Box 269, Potchefstroom 2531, South Africa;
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Chauhan M, Garg V, Zia G, Dutt R, Alghamdi BS, Zawawi A, Ashraf GM, Farhana A. Effect of Extraction Methods on the Antioxidant Potential and Cytotoxicity of the Combined Ethanolic Extracts of Daucus carota L., Beta vulgaris L., Phyllanthus emblica L. and Lycopersicon esculentum against Gastric Adenocarcinoma Cells. Molecules 2023; 28:6589. [PMID: 37764365 PMCID: PMC10536369 DOI: 10.3390/molecules28186589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/25/2023] [Accepted: 06/28/2023] [Indexed: 09/29/2023] Open
Abstract
Frequent consumption of fruits and vegetables in the daily diet may alleviate the risk of developing chronic diseases. Daucus carota L. (carrot), Beta vulgaris L. (beetroot) Phyllanthus emblica L. (amla), and Lycopersicon esculentum M (tomatoes) are traditionally consumed functional foods that contain a high concentration of antioxidants, ascorbic acid, polyphenols, and numerous phytochemicals. This study assessed how three distinct preparation methods affect the phenolic, flavonoid, carotenoid, and ascorbic acid contents, antioxidant level, and cytotoxicity of the combined fruit extract. The fruit samples were taken in the ratio of carrot (6): beetroot (2): tomato (1.5): amla (0.5) and processed into a lyophilized slurry (LS) extract, lyophilized juice (LJ) extract, and hot-air oven-dried (HAO) extract samples. The sample extracts were assessed for their phytoconstituent concentrations and antioxidant and cytotoxic potential. The total phenolic content in LS, LJ, and HAO extracts was 171.20 ± 0.02, 120.73 ± 0.02, and 72.05 ± 0.01 mg gallic acid equivalent/100 g, respectively and the total flavonoid content was 23.635 ± 0.003, 20.754 ± 0.005, and 18.635 ± 0.005 mg quercetin equivalent/100 g, respectively. Similarly, total ascorbic acid content, carotenoids, and antioxidant potential were higher in the LS and LJ extracts than in HAO. Overall, the LS extract had a substantially higher concentration of phytochemicals and antioxidants, as well as higher cytotoxic potential, compared to the LJ and HAO extracts. The LS extract was tested in the MKN-45 human gastric cancer cell line to demonstrate its effective antioxidant potential and cytotoxicity. Hence, lyophilization (freezing) based techniques are more effective than heat-based techniques in preserving the phytoconstituents and their antioxidant and cytotoxic potential.
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Affiliation(s)
- Mahima Chauhan
- Department of Pharmaceutical Sciences, M.D University, Rohtak 124001, India; (M.C.); (V.G.); (G.Z.)
| | - Vandana Garg
- Department of Pharmaceutical Sciences, M.D University, Rohtak 124001, India; (M.C.); (V.G.); (G.Z.)
| | - Ghazala Zia
- Department of Pharmaceutical Sciences, M.D University, Rohtak 124001, India; (M.C.); (V.G.); (G.Z.)
| | - Rohit Dutt
- Rohit Dutt Principal, GMN College, Ambala 133001, India;
| | - Badrah S. Alghamdi
- Department of Physiology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ayat Zawawi
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ghulam Md. Ashraf
- Department of Medical Laboratory Sciences, College of Health Sciences, and Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Aisha Farhana
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Aljouf 72388, Saudi Arabia
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Low ZY, Wong KH, Wen Yip AJ, Choo WS. The convergent evolution of influenza A virus: Implications, therapeutic strategies and what we need to know. CURRENT RESEARCH IN MICROBIAL SCIENCES 2023; 5:100202. [PMID: 37700857 PMCID: PMC10493511 DOI: 10.1016/j.crmicr.2023.100202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/14/2023] Open
Abstract
Influenza virus infection, more commonly known as the 'cold flu', is an etiological agent that gives rise to recurrent annual flu and many pandemics. Dated back to the 1918- Spanish Flu, the influenza infection has caused the loss of many human lives and significantly impacted the economy and daily lives. Influenza virus can be classified into four different genera: influenza A-D, with the former two, influenza A and B, relevant to humans. The capacity of antigenic drift and shift in Influenza A has given rise to many novel variants, rendering vaccines and antiviral therapies useless. In light of the emergence of a novel betacoronavirus, the SARS-CoV-2, unravelling the underpinning mechanisms that support the recurrent influenza epidemics and pandemics is essential. Given the symptom similarities between influenza and covid infection, it is crucial to reiterate what we know about the influenza infection. This review aims to describe the origin and evolution of influenza infection. Apart from that, the risk factors entail the implication of co-infections, especially regarding the COVID-19 pandemic is further discussed. In addition, antiviral strategies, including the potential of drug repositioning, are discussed in this context. The diagnostic approach is also critically discussed in an effort to understand better and prepare for upcoming variants and potential influenza pandemics in the future. Lastly, this review encapsulates the challenges in curbing the influenza spread and provides insights for future directions in influenza management.
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Affiliation(s)
- Zheng Yao Low
- School of Science, Monash University Malaysia, 47500 Subang Jaya, Selangor, Malaysia
| | - Ka Heng Wong
- School of Science, Monash University Malaysia, 47500 Subang Jaya, Selangor, Malaysia
| | - Ashley Jia Wen Yip
- School of Science, Monash University Malaysia, 47500 Subang Jaya, Selangor, Malaysia
| | - Wee Sim Choo
- School of Science, Monash University Malaysia, 47500 Subang Jaya, Selangor, Malaysia
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9
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Chowdhary S, Deka R, Panda K, Kumar R, Solomon AD, Das J, Kanoujiya S, Gupta AK, Sinha S, Ruokolainen J, Kesari KK, Gupta PK. Recent Updates on Viral Oncogenesis: Available Preventive and Therapeutic Entities. Mol Pharm 2023; 20:3698-3740. [PMID: 37486263 PMCID: PMC10410670 DOI: 10.1021/acs.molpharmaceut.2c01080] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 07/25/2023]
Abstract
Human viral oncogenesis is a complex phenomenon and a major contributor to the global cancer burden. Several recent findings revealed cellular and molecular pathways that promote the development and initiation of malignancy when viruses cause an infection. Even, antiviral treatment has become an approach to eliminate the viral infections and prevent the activation of oncogenesis. Therefore, for a better understanding, the molecular pathogenesis of various oncogenic viruses like, hepatitis virus, human immunodeficiency viral (HIV), human papillomavirus (HPV), herpes simplex virus (HSV), and Epstein-Barr virus (EBV), could be explored, especially, to expand many potent antivirals that may escalate the apoptosis of infected malignant cells while sparing normal and healthy ones. Moreover, contemporary therapies, such as engineered antibodies antiviral agents targeting signaling pathways and cell biomarkers, could inhibit viral oncogenesis. This review elaborates the recent advancements in both natural and synthetic antivirals to control viral oncogenesis. The study also highlights the challenges and future perspectives of using antivirals in viral oncogenesis.
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Affiliation(s)
- Shivam Chowdhary
- Department
of Industrial Microbiology, Sam Higginbottom
University of Agriculture, Technology and Sciences, Prayagraj 211007, Uttar Pradesh India
| | - Rahul Deka
- Department
of Bioengineering and Biotechnology, Birla
Institute of Technology, Mesra, Ranchi 835215, Jharkhand, India
| | - Kingshuk Panda
- Department
of Applied Microbiology, Vellore Institute
of Technology, Vellore 632014, Tamil Nadu, India
| | - Rohit Kumar
- Department
of Life Sciences, Sharda School of Basic Sciences and Research, Sharda University, Greater Noida 201310, Uttar Pradesh, India
| | - Abhishikt David Solomon
- Department
of Molecular & Cellular Engineering, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj 211007, Uttar Pradesh, India
| | - Jimli Das
- Centre
for
Biotechnology and Bioinformatics, Dibrugarh
University, Assam 786004, India
| | - Supriya Kanoujiya
- School
of
Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Ashish Kumar Gupta
- Department
of Biophysics, All India Institute of Medical
Sciences, New Delhi 110029, India
| | - Somya Sinha
- Department
of Biotechnology, Graphic Era Deemed to
Be University, Dehradun 248002, Uttarakhand, India
| | - Janne Ruokolainen
- Department
of Applied Physics, School of Science, Aalto
University, 02150 Espoo, Finland
| | - Kavindra Kumar Kesari
- Department
of Applied Physics, School of Science, Aalto
University, 02150 Espoo, Finland
- Division
of Research and Development, Lovely Professional
University, Phagwara 144411, Punjab, India
| | - Piyush Kumar Gupta
- Department
of Life Sciences, Sharda School of Basic Sciences and Research, Sharda University, Greater Noida 201310, Uttar Pradesh, India
- Department
of Biotechnology, Graphic Era Deemed to
Be University, Dehradun 248002, Uttarakhand, India
- Faculty
of Health and Life Sciences, INTI International
University, Nilai 71800, Malaysia
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10
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Bekheit MS, Panda SS, Girgis AS. Potential RNA-dependent RNA polymerase (RdRp) inhibitors as prospective drug candidates for SARS-CoV-2. Eur J Med Chem 2023; 252:115292. [PMID: 36965227 PMCID: PMC10023213 DOI: 10.1016/j.ejmech.2023.115292] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023]
Abstract
The SARS-CoV-2 pandemic is considered as one of the most disastrous pandemics for human health and the world economy. RNA-dependent RNA polymerase (RdRp) is one of the key enzymes that control viral replication. RdRp is an attractive and promising therapeutic target for the treatment of SARS-CoV-2 disease. It has attracted much interest of medicinal chemists, especially after the approval of Remdesivir. This study highlights the most promising SARS-CoV-2 RdRp repurposed drugs in addition to natural and synthetic agents. Although many in silico predicted agents have been developed, the lack of in vitro and in vivo experimental data has hindered their application in drug discovery programs.
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Affiliation(s)
- Mohamed S Bekheit
- Department of Pesticide Chemistry, National Research Centre, Dokki, Giza, 12622, Egypt
| | - Siva S Panda
- Department of Chemistry and Physics, Augusta University, Augusta, GA, 30912, USA.
| | - Adel S Girgis
- Department of Pesticide Chemistry, National Research Centre, Dokki, Giza, 12622, Egypt.
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11
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Kazachinskaia EI, Zibareva LN, Filonenko ES, Ivanova AV, Gadzhieva MM, Bekshokov KK, Kononova YV, Chepurnov AA, Shestopalov AМ. Investigation of the inhibitory activity of extracts, fractions and secondary metabolites of <i>Silene</i> spp. (<i>Caryophyllaceae</i>) and <i>Serratula cupuliformis</i> (<i>Asteraceae</i>) on the replication of SARS-CoV-2 coronavirus. SOUTH OF RUSSIA: ECOLOGY, DEVELOPMENT 2023. [DOI: 10.18470/1992-1098-2023-1-62-81] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Aim. In vitro analysis of the inhibitory activity of extracts, fractions and secondary metabolites of plants of the genus Silene [Caryophylaceae] and Serratula cupuliformis [Asteraceae) on the replication of SARS-CoV-2.Material and Methods. Silene spp. and Serratula cupuliformis of the Siberian Botanical Garden of National Research Tomsk State University were used. Ethanol extracts and butanol fractions of Silene spp. were prepared. The flavonoid shaftoside and the ecdysteroid 20-hydroxyecdysone from Lychnis chalcedonica were isolated. Analysis of BAS was carried out by the HPLC method. In vitro analysis of the inhibitory activity of extracts on SARS-CoV-2 replication was performed in Vero cell culture by direct inactivation [neutralization) of virions. Comparison samples were dry ethanol extracts of chaga [Inonotus obliquus, Basidiomycota), spices of cloves [Syzygium aromaticum, Myrtaceae) and root of licorice [Glycyrrhiza glabra L., Fabaceae).Results. The inhibitory activity of ethanol extracts and butanol fractions of Silene spp., as well as individual compounds [shaftozide and 20-E) was revealed in the range of 50% effective concentrations [EC50) when dissolved in water from 339.85±83.92 pg/ml to 1.59±0.39 pg/ml and when dissolved in DMSO from 119.34±26.34 pg/ml to 2.22±0.57 pg/ml, respectively. The butanol fraction of Serratula cupuliformis was active with EC50=21.74±4.80 and 27.42±6.05 pg/mL. These results for some samples of Silene spp. and Serratula cupuliformis are comparable to the EC50 values of the comparators.Conclusion. The results obtained suggest the presence of biologically active substances in the herbal preparations studied that act destructively on virions of SARS-CoV-2 and affect one of the main stages of its "life" cycle - on the attachment to receptors of sensitive cells.
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Affiliation(s)
- E. I. Kazachinskaia
- Research Institute of Virology, Federal Research Centre of Fundamental and Translational Medicine, Siberian Branch, Russian Academy of Sciences; Vector State Research Centre of Virology and Biotechnology
| | | | | | - A. V. Ivanova
- Vector State Research Centre of Virology and Biotechnology
| | | | - K. K. Bekshokov
- I.M. Sechenov First Moscow State Medical University, Russian Ministry of Health
| | - Yu. V. Kononova
- Research Institute of Virology, Federal Research Centre of Fundamental and Translational Medicine, Siberian Branch, Russian Academy of Sciences
| | - A. A. Chepurnov
- Research Institute of Virology, Federal Research Centre of Fundamental and Translational Medicine, Siberian Branch, Russian Academy of Sciences; Dagestan State University
| | - A. М. Shestopalov
- Research Institute of Virology, Federal Research Centre of Fundamental and Translational Medicine, Siberian Branch, Russian Academy of Sciences; Dagestan State University
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12
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Ponticelli M, Bellone ML, Parisi V, Iannuzzi A, Braca A, de Tommasi N, Russo D, Sileo A, Quaranta P, Freer G, Pistello M, Milella L. Specialized metabolites from plants as a source of new multi-target antiviral drugs: a systematic review. PHYTOCHEMISTRY REVIEWS : PROCEEDINGS OF THE PHYTOCHEMICAL SOCIETY OF EUROPE 2023; 22:1-79. [PMID: 37359711 PMCID: PMC10008214 DOI: 10.1007/s11101-023-09855-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 01/30/2023] [Indexed: 06/28/2023]
Abstract
Viral infections have always been the main global health challenge, as several potentially lethal viruses, including the hepatitis virus, herpes virus, and influenza virus, have affected human health for decades. Unfortunately, most licensed antiviral drugs are characterized by many adverse reactions and, in the long-term therapy, also develop viral resistance; for these reasons, researchers have focused their attention on investigating potential antiviral molecules from plants. Natural resources indeed offer a variety of specialized therapeutic metabolites that have been demonstrated to inhibit viral entry into the host cells and replication through the regulation of viral absorption, cell receptor binding, and competition for the activation of intracellular signaling pathways. Many active phytochemicals, including flavonoids, lignans, terpenoids, coumarins, saponins, alkaloids, etc., have been identified as potential candidates for preventing and treating viral infections. Using a systematic approach, this review summarises the knowledge obtained to date on the in vivo antiviral activity of specialized metabolites extracted from plant matrices by focusing on their mechanism of action.
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Affiliation(s)
- Maria Ponticelli
- Department of Science, University of Basilicata, Viale Dell’ateneo Lucano 10, 85100 Potenza, Italy
| | - Maria Laura Bellone
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
- Ph.D. Program in Drug Discovery and Development, Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Valentina Parisi
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
- Ph.D. Program in Drug Discovery and Development, Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Annamaria Iannuzzi
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, 56100 Pisa, Italy
- Retrovirus Center, Virology Section, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Alessandra Braca
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, 56100 Pisa, Italy
- Retrovirus Center, Virology Section, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Nunziatina de Tommasi
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Daniela Russo
- Department of Science, University of Basilicata, Viale Dell’ateneo Lucano 10, 85100 Potenza, Italy
| | - Annalisa Sileo
- Department of Science, University of Basilicata, Viale Dell’ateneo Lucano 10, 85100 Potenza, Italy
| | | | - Giulia Freer
- Virology Unit, Pisa University Hospital, Pisa, Italy
| | | | - Luigi Milella
- Department of Science, University of Basilicata, Viale Dell’ateneo Lucano 10, 85100 Potenza, Italy
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13
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Gonzalez-Pastor R, Carrera-Pacheco SE, Zúñiga-Miranda J, Rodríguez-Pólit C, Mayorga-Ramos A, Guamán LP, Barba-Ostria C. Current Landscape of Methods to Evaluate Antimicrobial Activity of Natural Extracts. Molecules 2023; 28:1068. [PMID: 36770734 PMCID: PMC9920787 DOI: 10.3390/molecules28031068] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/10/2023] [Accepted: 01/12/2023] [Indexed: 01/24/2023] Open
Abstract
Natural extracts have been and continue to be used to treat a wide range of medical conditions, from infectious diseases to cancer, based on their convenience and therapeutic potential. Natural products derived from microbes, plants, and animals offer a broad variety of molecules and chemical compounds. Natural products are not only one of the most important sources for innovative drug development for animal and human health, but they are also an inspiration for synthetic biology and chemistry scientists towards the discovery of new bioactive compounds and pharmaceuticals. This is particularly relevant in the current context, where antimicrobial resistance has risen as a global health problem. Thus, efforts are being directed toward studying natural compounds' chemical composition and bioactive potential to generate drugs with better efficacy and lower toxicity than existing molecules. Currently, a wide range of methodologies are used to analyze the in vitro activity of natural extracts to determine their suitability as antimicrobial agents. Despite traditional technologies being the most employed, technological advances have contributed to the implementation of methods able to circumvent issues related to analysis capacity, time, sensitivity, and reproducibility. This review produces an updated analysis of the conventional and current methods to evaluate the antimicrobial activity of natural compounds.
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Affiliation(s)
- Rebeca Gonzalez-Pastor
- Biomedical Research Center (CENBIO), Eugenio Espejo School of Health Sciences, Universidad UTE, Quito 170527, Ecuador
| | - Saskya E. Carrera-Pacheco
- Biomedical Research Center (CENBIO), Eugenio Espejo School of Health Sciences, Universidad UTE, Quito 170527, Ecuador
| | - Johana Zúñiga-Miranda
- Biomedical Research Center (CENBIO), Eugenio Espejo School of Health Sciences, Universidad UTE, Quito 170527, Ecuador
| | - Cristina Rodríguez-Pólit
- Biomedical Research Center (CENBIO), Eugenio Espejo School of Health Sciences, Universidad UTE, Quito 170527, Ecuador
| | - Arianna Mayorga-Ramos
- Biomedical Research Center (CENBIO), Eugenio Espejo School of Health Sciences, Universidad UTE, Quito 170527, Ecuador
| | - Linda P. Guamán
- Biomedical Research Center (CENBIO), Eugenio Espejo School of Health Sciences, Universidad UTE, Quito 170527, Ecuador
| | - Carlos Barba-Ostria
- School of Medicine, College of Health Sciences, Universidad San Francisco de Quito (USFQ), Quito 170901, Ecuador
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14
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Shokry S, Hegazy A, Abbas AM, Mostafa I, Eissa IH, Metwaly AM, Yahya G, El-Shazly AM, Aboshanab KM, Mostafa A. Phytoestrogen β-Sitosterol Exhibits Potent In Vitro Antiviral Activity against Influenza A Viruses. Vaccines (Basel) 2023; 11:228. [PMID: 36851106 PMCID: PMC9964242 DOI: 10.3390/vaccines11020228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/14/2023] [Accepted: 01/17/2023] [Indexed: 01/22/2023] Open
Abstract
Influenza is a contagious infection in humans that is caused frequently by low pathogenic seasonal influenza viruses and occasionally by pathogenic avian influenza viruses (AIV) of H5, H7, and H9 subtypes. Recently, the clinical sector in poultry and humans has been confronted with many challenges, including the limited number of antiviral drugs and the rapid evolution of drug-resistant variants. Herein, the anti-influenza activities of various plant-derived phytochemicals were investigated against highly pathogenic avian influenza A/H5N1 virus (HPAIV H5N1) and seasonal low pathogenic human influenza A/H1N1 virus (LPHIV H1N1). Out of the 22 tested phytochemicals, the steroid compounds β-sitosterol and β-sitosterol-O-glucoside have very potent activity against the predefined influenza A viruses (IAV). Both steroids could induce such activity by affecting multiple stages during IAV replication cycles, including viral adsorption and replication with a major and significant impact on the virus directly in a cell-free status "viricidal effect". On a molecular level, several molecular docking studies suggested that β-sitosterol and β-sitosterol-O-glucoside exhibited viricidal effects through blocking active binding sites of the hemagglutinin surface protein, as well as showing inhibitory effects against replication through the binding with influenza neuraminidase activity and blocking the active sites of the M2 proton channel activity. The phytoestrogen β-sitosterol has structural similarity with the active form of the female sex hormone estradiol, and this similarity is likely one of the molecular determinants that enables the phytoestrogen β-sitosterol and its derivative to control IAV infection in vitro. This promising anti-influenza activity of β-sitosterol and its O-glycoside derivative, according to both in vitro and cheminformatics studies, recommend both phytochemicals for further studies going through preclinical and clinical phases as efficient anti-influenza drug candidates.
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Affiliation(s)
- Sara Shokry
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza 12622, Egypt
- Department of Microbiology and Immunology, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo 11566, Egypt
| | - Akram Hegazy
- Department of Agricultural Microbiology, Faculty of Agriculture, Cairo University, Giza District, Giza 12613, Egypt
| | - Ahmad M. Abbas
- Department of Microbiology and Immunology, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo 11566, Egypt
- Department of Microbiology and Immunology, Faculty of Pharmacy, King Salman International University (KSIU), Sinai 46612, Egypt
| | - Islam Mostafa
- Department of Pharmacognosy, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Ibrahim H. Eissa
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Ahmed M. Metwaly
- Pharmacognosy and Medicinal Plants Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
- Biopharmaceutical Products Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt
| | - Galal Yahya
- Department of Microbiology and Immunology, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Assem M. El-Shazly
- Department of Pharmacognosy, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
- Faculty of Pharmacy, El Saleheya El Gadida University, El Saleheya El Gadida 44813, Sharkia, Egypt
| | - Khaled M. Aboshanab
- Department of Microbiology and Immunology, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo 11566, Egypt
| | - Ahmed Mostafa
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza 12622, Egypt
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15
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Wadanambi PM, Jayathilaka N, Seneviratne KN. A Computational Study of Carbazole Alkaloids from Murraya koenigii as Potential SARS-CoV-2 Main Protease Inhibitors. Appl Biochem Biotechnol 2023; 195:573-596. [PMID: 36107386 PMCID: PMC9474281 DOI: 10.1007/s12010-022-04138-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2022] [Indexed: 01/17/2023]
Abstract
Despite COVID-19 vaccination, immune escape of new SARS-CoV-2 variants has created an urgent priority to identify additional antiviral drugs. Targeting main protease (Mpro) expressed by SARS-CoV-2 is a therapeutic strategy for drug development due to its prominent role in viral replication cycle. Leaves of Murraya koenigii are used in various traditional medicinal applications and this plant is known as a rich source of carbazole alkaloids. Thus, this computational study was designed to investigate the inhibitory potential of carbazole alkaloids from Murraya koenigii against Mpro. Molecular docking was initially used to determine the binding affinity and molecular interactions of carbazole alkaloids and the reference inhibitor (3WL) in the active site of SARS-CoV-2 Mpro (PDB ID: 6M2N).The top scoring compounds were further assessed for protein structure flexibility, physicochemical properties and drug-likeness, pharmacokinetic and toxicity (ADME/T) properties, antiviral activity, and pharmacophore modeling. Five carbazole alkaloids (koenigicine, mukonicine, o-methylmurrayamine A, koenine, and girinimbine) displayed a unique binding mechanism that shielded the catalytic dyad of Mpro with stronger binding affinities and molecular interactions than 3WL. Furthermore, the compounds with high affinity displayed favorable physicochemical and ADME/T properties that satisfied the criteria for oral bioavailability and druggability. The pharmacophore modeling study shows shared pharmacophoric features of those compounds for their biological interaction with Mpro. During the molecular dynamics simulation, the top docking complexes demonstrated precise stability except koenigicine. Therefore, mukonicine, o-methylmurrayamine A, koenine, and girinimbine may have the potential to restrict SARS-CoV-2 replication by inactivating the Mpro catalytic activity.
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Affiliation(s)
| | - Nimanthi Jayathilaka
- Faculty of Science, Department of Chemistry, University of Kelaniya, Kelaniya, Sri Lanka
| | - Kapila N Seneviratne
- Faculty of Science, Department of Chemistry, University of Kelaniya, Kelaniya, Sri Lanka
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16
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Tong Y, Lu G, Wang Z, Hao S, Zhang G, Sun H. Tubeimuside I improves the efficacy of a therapeutic Fusobacterium nucleatum dendritic cell-based vaccine against colorectal cancer. Front Immunol 2023; 14:1154818. [PMID: 37207216 PMCID: PMC10189021 DOI: 10.3389/fimmu.2023.1154818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/24/2023] [Indexed: 05/21/2023] Open
Abstract
Introduction Fusobacterium nucleatum (F. nucleatum) infection has been confirmed to be associated with the development, chemoresistance, and immune evasion of colorectal cancer (CRC). The complex relationship between the microorganism, host cells, and the immune system throughout all stages of CRC progression, which makes the development of new therapeutic methods difficult. Methods We developed a new dendritic cell (DC) vaccine to investigate the antitumor efficacy of CRC immunotherapy strategies. By mediating a specific mode of interaction between the bacteria, tumor, and host, we found a new plant-derived adjuvant, tubeimuside I (TBI), which simultaneously improved the DC vaccine efficacy and inhibited the F. nucleatum infection. Encapsulating TBI in a nanoemulsion greatly improved the drug efficacy and reduced the drug dosage and administration times. Results The nanoemulsion encapsulated TBI DC vaccine exhibited an excellent antibacterial and antitumor effect and improved the survival rate of CRC mice by inhibiting tumor development and progression. Discussion In this study, we provide a effective strategy for developing a DC-based vaccine against CRC and underlies the importance of further understanding the mechanism of CRC processes caused by F. nucleatum.
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Affiliation(s)
- Yanan Tong
- Department of Nuclear Medicine, General Hospital of Northern Theater Command, Shenyang, China
| | - Guoxiu Lu
- Department of Nuclear Medicine, General Hospital of Northern Theater Command, Shenyang, China
- College of Medicine and Biological Information Engineering, Northeastern University, Shenyang, Liaoning, China
| | - Zhiguo Wang
- Department of Nuclear Medicine, General Hospital of Northern Theater Command, Shenyang, China
| | - Shanhu Hao
- Department of Nuclear Medicine, General Hospital of Northern Theater Command, Shenyang, China
| | - Guoxu Zhang
- Department of Nuclear Medicine, General Hospital of Northern Theater Command, Shenyang, China
- *Correspondence: Guoxu Zhang, ; Hongwu Sun,
| | - Hongwu Sun
- Department of Microbiology and Biochemical Pharmacy, National Engineering Research Center of Immunological Products, College of Pharmacy, Third Military Medical University, Chongqing, China
- *Correspondence: Guoxu Zhang, ; Hongwu Sun,
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17
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Kumar A, Sharma A, Tirpude NV, Padwad Y, Hallan V, Kumar S. Plant-derived immuno-adjuvants in vaccines formulation: a promising avenue for improving vaccines efficacy against SARS-CoV-2 virus. Pharmacol Rep 2022; 74:1238-1254. [PMID: 36125739 PMCID: PMC9487851 DOI: 10.1007/s43440-022-00418-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 12/13/2022]
Abstract
The SARS-CoV-2 outbreak has posed a plethora of problems for the global healthcare system and socioeconomic burden. Despite valiant efforts to contain the COVID-19 outbreak, the situation has deteriorated to the point that there are no viable preventive therapies to treat this disease. The case count has skyrocketed globally due to the newly evolved variants. Despite vaccination drives, the re-occurrence of recent pandemic waves has reinforced the importance of innovation/utilization of immune-booster to achieve appropriate long-term vaccine protection. Plant-derived immuno-adjuvants, which have multifaceted functions, can impede infections by boosting the immune system. Many previous studies have shown that formulation of vaccines using plant-derived adjuvant results in long-lasting immunity may overcome the natural tendency of coronavirus immunity to wane quickly. Plant polysaccharides, glycosides, and glycoprotein extracts have reportedly been utilized as enticing adjuvants in experimental vaccines, such as Advax, Matrix-M, and Mistletoe lectin, which have been shown to be highly immunogenic and safe. When employed in vaccine formulation, Advax and Matrix-M generate long-lasting antibodies, a balanced robust Th1/Th2 cytokine profile, and the stimulation of cytotoxic T cells. Thus, the use of adjuvants derived from plants may increase the effectiveness of vaccines, resulting in the proper immunological response required to combat COVID-19. A few have been widely used in epidemic outbreaks, including SARS and H1N1 influenza, and their use could also improve the efficacy of COVID-19 vaccines. In this review, the immunological adjuvant properties of plant compounds as well as their potential application in anti-COVID-19 therapy are thoroughly discussed.
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Affiliation(s)
- Arbind Kumar
- COVID-19 Testing facility, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, India
| | - Aashish Sharma
- COVID-19 Testing facility, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, India
| | - Narendra Vijay Tirpude
- Dietetics and Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, India
| | - Yogendra Padwad
- Dietetics and Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, India
| | - Vipin Hallan
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, India
| | - Sanjay Kumar
- CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, India
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18
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Maffei ME, Salata C, Gribaudo G. Tackling the Future Pandemics: Broad-Spectrum Antiviral Agents (BSAAs) Based on A-Type Proanthocyanidins. Molecules 2022; 27:8353. [PMID: 36500445 PMCID: PMC9736452 DOI: 10.3390/molecules27238353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 11/19/2022] [Accepted: 11/25/2022] [Indexed: 12/02/2022] Open
Abstract
A-type proanthocyanidins (PAC-As) are plant-derived natural polyphenols that occur as oligomers or polymers of flavan-3-ol monomers, such as (+)-catechin and (-)-epicatechin, connected through an unusual double A linkage. PAC-As are present in leaves, seeds, flowers, bark, and fruits of many plants, and are thought to exert protective natural roles against microbial pathogens, insects, and herbivores. Consequently, when tested in isolation, PAC-As have shown several biological effects, through antioxidant, antibacterial, immunomodulatory, and antiviral activities. PAC-As have been observed in fact to inhibit replication of many different human viruses, and both enveloped and non-enveloped DNA and RNA viruses proved sensible to their inhibitory effect. Mechanistic studies revealed that PAC-As cause reduction of infectivity of viral particles they come in contact with, as a result of their propensity to interact with virion surface capsid proteins or envelope glycoproteins essential for viral attachment and entry. As viral infections and new virus outbreaks are a major public health concern, development of effective Broad-Spectrum Antiviral Agents (BSAAs) that can be rapidly deployable even against future emerging viruses is an urgent priority. This review summarizes the antiviral activities and mechanism of action of PAC-As, and their potential to be deployed as BSAAs against present and future viral infections.
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Affiliation(s)
- Massimo E. Maffei
- Department of Life Sciences and Systems Biology, University of Turin, Via Quarello 15/a, 10135 Turin, Italy
| | - Cristiano Salata
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy
| | - Giorgio Gribaudo
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123 Turin, Italy
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19
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Guo Y, Ma A, Wang X, Yang C, Chen X, Li G, Qiu F. Research progress on the antiviral activities of natural products and their derivatives: Structure–activity relationships. Front Chem 2022; 10:1005360. [PMID: 36311429 PMCID: PMC9596788 DOI: 10.3389/fchem.2022.1005360] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 09/28/2022] [Indexed: 11/23/2022] Open
Abstract
Viruses spread rapidly and are well-adapted to changing environmental events. They can infect the human body readily and trigger fatal diseases. A limited number of drugs are available for specific viral diseases, which can lead to non-efficacy against viral variants and drug resistance, so drugs with broad-spectrum antiviral activity are lacking. In recent years, a steady stream of new viral diseases has emerged, which has prompted development of new antiviral drugs. Natural products could be employed to develop new antiviral drugs because of their innovative structures and broad antiviral activities. This review summarizes the progress of natural products in antiviral research and their bright performance in drug resistance issues over the past 2 decades. Moreover, it fully discusses the effect of different structural types of natural products on antiviral activity in terms of structure–activity relationships. This review could provide a foundation for the development of antiviral drugs.
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Affiliation(s)
- Yajing Guo
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Anna Ma
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xinyan Wang
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Chen Yang
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xi Chen
- School of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- *Correspondence: Xi Chen, ; Gen Li,
| | - Gen Li
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- *Correspondence: Xi Chen, ; Gen Li,
| | - Feng Qiu
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjfin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
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20
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Al‐kuraishy HM, Al‐Gareeb AI, Kaushik A, Kujawska M, Batiha GE. Ginkgo biloba in the management of the COVID-19 severity. Arch Pharm (Weinheim) 2022; 355:e2200188. [PMID: 35672257 PMCID: PMC9348126 DOI: 10.1002/ardp.202200188] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/04/2022] [Accepted: 05/09/2022] [Indexed: 12/18/2022]
Abstract
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection is linked with inflammatory disorders and the development of oxidative stress in extreme cases. Therefore, anti-inflammatory and antioxidant drugs may alleviate these complications. Ginkgo biloba L. folium extract (EGb) is a herbal medicine containing various active constituents. This review aims to provide a critical discussion on the potential role of EGb in the management of coronavirus disease 2019 (COVID-19). The antiviral effect of EGb is mediated by different mechanisms, including blocking SARS-CoV-2 3-chymotrypsin-like protease that provides trans-variant effectiveness. Moreover, EGb impedes the development of pulmonary inflammatory disorders through the diminution of neutrophil elastase activity, the release of proinflammatory cytokines, platelet aggregation, and thrombosis. Thus, EGb can attenuate the acute lung injury and acute respiratory distress syndrome in COVID-19. In conclusion, EGb offers the potential of being used as adjuvant antiviral and symptomatic therapy. Nanosystems enabling targeted delivery, personalization, and booster of effects provide the opportunity for the use of EGb in modern phytotherapy.
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Affiliation(s)
- Hayder M. Al‐kuraishy
- Department of Clinical Pharmacology and Medicine, College of MedicineALmustansiriyia UniversityBaghdadIraq
| | - Ali I. Al‐Gareeb
- Department of Clinical Pharmacology and Medicine, College of MedicineALmustansiriyia UniversityBaghdadIraq
| | - Ajeet Kaushik
- NanoBioTech Laboratory, Health System Engineering, Department of Environmental EngineeringFlorida Polytechnic UniversityLakelandFloridaUSA
| | | | - Gaber El‐Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary MedicineDamanhour UniversityDamanhourAlBeheiraEgypt
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21
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Elkaeed EB, Metwaly AM, Alesawy MS, Saleh AM, Alsfouk AA, Eissa IH. Discovery of Potential SARS-CoV-2 Papain-like Protease Natural Inhibitors Employing a Multi-Phase In Silico Approach. Life (Basel) 2022; 12:1407. [PMID: 36143445 PMCID: PMC9505301 DOI: 10.3390/life12091407] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 11/17/2022] Open
Abstract
As an extension of our research against COVID-19, a multiphase in silico approach was applied in the selection of the three most common inhibitors (Glycyrrhizoflavone (76), Arctigenin (94), and Thiangazole (298)) against papain-like protease, PLpro (PDB ID: 4OW0), among 310 metabolites of natural origin. All compounds of the exam set were reported as antivirals. The structural similarity between the examined compound set and S88, the co-crystallized ligand of PLpro, was examined through structural similarity and fingerprint studies. The two experiments pointed to Brevicollin (28), Cryptopleurine (41), Columbamine (46), Palmatine (47), Glycyrrhizoflavone (76), Licochalcone A (87), Arctigenin (94), Termilignan (98), Anolignan B (99), 4,5-dihydroxy-6″-deoxybromotopsentin (192), Dercitin (193), Tryptanthrin (200), 6-Cyano-5-methoxy-12-methylindolo [2, 3A] carbazole (211), Thiangazole (298), and Phenoxan (300). The binding ability against PLpro was screened through molecular docking, disclosing the favorable binding modes of six metabolites. ADMET studies expected molecules 28, 76, 94, 200, and 298 as the most favorable metabolites. Then, molecules 76, 94, and 298 were chosen through in silico toxicity studies. Finally, DFT studies were carried out on glycyrrhizoflavone (76) and indicated a high level of similarity in the molecular orbital analysis. The obtained data can be used in further in vitro and in vivo studies to examine and confirm the inhibitory effect of the filtered metabolites against PLpro and SARS-CoV-2.
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Affiliation(s)
- Eslam B. Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Riyadh 13713, Saudi Arabia
| | - Ahmed M. Metwaly
- Pharmacognosy and Medicinal Plants Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
- Biopharmaceutical Products Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt
| | - Mohamed S. Alesawy
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Abdulrahman M. Saleh
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Aisha A. Alsfouk
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Ibrahim H. Eissa
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
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