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Sahoo BM, Bhattamisra SK, Das S, Tiwari A, Tiwari V, Kumar M, Singh S. Computational Approach to Combat COVID-19 Infection: Emerging Tool for Accelerating Drug Research. Curr Drug Discov Technol 2022; 19:e170122200314. [PMID: 35040405 DOI: 10.2174/1570163819666220117161308] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/05/2021] [Accepted: 10/11/2021] [Indexed: 01/08/2023]
Abstract
BACKGROUND Drug discovery and development process is an expensive, complex, time-consuming and risky. There are different techniques involved in the drug development process which include random screening, computational approach, molecular manipulation and serendipitous research. Among these methods, the computational approach is considered as an efficient strategy to accelerate and economize the drug discovery process. OBJECTIVE This approach is mainly applied in various phases of drug discovery process including target identification, target validation, lead identification and lead optimization. Due to increase in the availability of information regarding various biological targets of different disease states, computational approaches such as molecular docking, de novo design, molecular similarity calculation, virtual screening, pharmacophore-based modeling and pharmacophore mapping have been applied extensively. METHODS Various drug molecules can be designed by applying computational tools to explore the drug candidates for treatment of Coronavirus infection. The world health organization has announced the novel corona virus disease as COVID-19 and declared it as pandemic globally on 11 February 2020. So, it is thought of interest to scientific community to apply computational methods to design and optimize the pharmacological properties of various clinically available and FDA approved drugs such as remdesivir, ribavirin, favipiravir, oseltamivir, ritonavir, arbidol, chloroquine, hydroxychloroquine, carfilzomib, baraticinib, prulifloxacin, etc for effective treatment of COVID-19 infection. RESULTS Further, various survey reports suggest that the extensive studies are carried out by various research communities to find out the safety and efficacy profile of these drug candidates. CONCLUSION This review is focused on the study of various aspects of these drugs related to their target sites on virus, binding interactions, physicochemical properties etc.
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Affiliation(s)
- Biswa Mohan Sahoo
- Roland Institute of Pharmaceutical Sciences, Berhampur-760010, Odisha, India
| | - Subrat Kumar Bhattamisra
- Department of Pharmaceutical Technology, School of Medical Sciences, Adamas University, Jagannathpur, Kolkata-700126, West Bengal, India
| | - Sarita Das
- Microbiology Laboratory, Department of Botany, Berhampur University, Bhanja Bihar, Berhampur- 760007, Odisha, India
| | - Abhishek Tiwari
- Devasthali Vidyapeeth College of Pharmacy, Lalpur, Rudrapur-263148, Uttarakhand, India
| | - Varsha Tiwari
- Devasthali Vidyapeeth College of Pharmacy, Lalpur, Rudrapur-263148, Uttarakhand, India
| | - Manish Kumar
- M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala-133207, Haryana, India
| | - Sunil Singh
- Shri Sai College of Pharmacy, Handia, Prayagraj, Uttar Pradesh, 221503, India
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152
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Wang P, Ding P, Wei Q, Liu H, Liu Y, Li Q, Xing Y, Li G, Zhou E, Zhang G. Precise location of two novel linear epitopes on the receptor-binding domain surface of MERS-CoV spike protein recognized by two different monoclonal antibodies. Int J Biol Macromol 2022; 195:609-619. [PMID: 34871658 PMCID: PMC8641979 DOI: 10.1016/j.ijbiomac.2021.11.192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 11/25/2021] [Accepted: 11/27/2021] [Indexed: 11/15/2022]
Abstract
Middle East respiratory syndrome coronavirus (MERS-CoV) is a coronavirus which can cause severe human respiratory diseases with a fatality rate of almost 36%. In this study, we report the generation, characterization and epitope mapping of several monoclonal antibodies against the spike receptor-binding domain (RBD) of MERS-CoV. Two monoclonal antibodies (4C7 and 6E8) that can react with linearized RBD have been selected for subsequent identification of RBD mAb-binding epitopes. Two distinct novel linear epitopes, 423FTCSQIS429 and 546SPLEGGGWL554,were precisely located at the outermost surface of RBD by dot-blot hybridization and ELISAs. Multiple sequence alignment analysis showed that these two peptides were highly conserved. Alanine (A)-scanning mutagenesis demonstrated that residues 423F, 428I, and 429S are the crucial residues for the linear epitope 423FTCSQIS429 while residues 548L, 550G, 553W, 554L for epitope 546SPLEGGGWL554. These findings may be helpful for further understanding of the function of RBD protein and the development of subsequent diagnosis and detection methods.
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Affiliation(s)
- Pan Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China,Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Peiyang Ding
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Qiang Wei
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Hongliang Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Yunchao Liu
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Qingmei Li
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Yunrui Xing
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Ge Li
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Enmin Zhou
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Gaiping Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, Yangzhou, China.
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153
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Host E3 ligase HUWE1 attenuates the proapoptotic activity of the MERS-CoV accessory protein ORF3 by promoting its ubiquitin-dependent degradation. J Biol Chem 2022; 298:101584. [PMID: 35032548 PMCID: PMC8755419 DOI: 10.1016/j.jbc.2022.101584] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 12/29/2021] [Accepted: 12/30/2021] [Indexed: 02/08/2023] Open
Abstract
With the outbreak of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), coronaviruses have begun to attract great attention across the world. Of the known human coronaviruses, however, Middle East respiratory syndrome coronavirus (MERS-CoV) is the most lethal. Coronavirus proteins can be divided into three groups: nonstructural proteins, structural proteins, and accessory proteins. While the number of each of these proteins varies greatly among different coronaviruses, accessory proteins are most closely related to the pathogenicity of the virus. We found for the first time that the ORF3 accessory protein of MERS-CoV, which closely resembles the ORF3a proteins of severe acute respiratory syndrome coronavirus and SARS-CoV-2, has the ability to induce apoptosis in cells in a dose-dependent manner. Through bioinformatics analysis and validation, we revealed that ORF3 is an unstable protein and has a shorter half-life in cells compared to that of severe acute respiratory syndrome coronavirus and SARS-CoV-2 ORF3a proteins. After screening, we identified a host E3 ligase, HUWE1, that specifically induces MERS-CoV ORF3 protein ubiquitination and degradation through the ubiquitin-proteasome system. This results in the diminished ability of ORF3 to induce apoptosis, which might partially explain the lower spread of MERS-CoV compared to other coronaviruses. In summary, this study reveals a pathological function of MERS-CoV ORF3 protein and identifies a potential host antiviral protein, HUWE1, with an ability to antagonize MERS-CoV pathogenesis by inducing ORF3 degradation, thus enriching our knowledge of the pathogenesis of MERS-CoV and suggesting new targets and strategies for clinical development of drugs for MERS-CoV treatment.
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154
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Nikolaidis M, Markoulatos P, Van de Peer Y, Oliver SG, Amoutzias GD. The Neighborhood of the Spike Gene Is a Hotspot for Modular Intertypic Homologous and Nonhomologous Recombination in Coronavirus Genomes. Mol Biol Evol 2022; 39:msab292. [PMID: 34638137 PMCID: PMC8549283 DOI: 10.1093/molbev/msab292] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Coronaviruses (CoVs) have very large RNA viral genomes with a distinct genomic architecture of core and accessory open reading frames (ORFs). It is of utmost importance to understand their patterns and limits of homologous and nonhomologous recombination, because such events may affect the emergence of novel CoV strains, alter their host range, infection rate, tissue tropism pathogenicity, and their ability to escape vaccination programs. Intratypic recombination among closely related CoVs of the same subgenus has often been reported; however, the patterns and limits of genomic exchange between more distantly related CoV lineages (intertypic recombination) need further investigation. Here, we report computational/evolutionary analyses that clearly demonstrate a substantial ability for CoVs of different subgenera to recombine. Furthermore, we show that CoVs can obtain-through nonhomologous recombination-accessory ORFs from core ORFs, exchange accessory ORFs with different CoV genera, with other viruses (i.e., toroviruses, influenza C/D, reoviruses, rotaviruses, astroviruses) and even with hosts. Intriguingly, most of these radical events result from double crossovers surrounding the Spike ORF, thus highlighting both the instability and mobile nature of this genomic region. Although many such events have often occurred during the evolution of various CoVs, the genomic architecture of the relatively young SARS-CoV/SARS-CoV-2 lineage so far appears to be stable.
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Affiliation(s)
- Marios Nikolaidis
- Bioinformatics Laboratory, Department of Biochemistry and Biotechnology, University of Thessaly, Larissa, Greece
| | - Panayotis Markoulatos
- Microbial Biotechnology-Molecular Bacteriology-Virology Laboratory, Department of Biochemistry and Biotechnology, University of Thessaly, Larissa, Greece
| | - Yves Van de Peer
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- Center for Plant Systems Biology, VIB, Ghent, Belgium
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Stephen G Oliver
- Department of Biochemistry, University of Cambridge, Cambridge, United Kingdom
| | - Grigorios D Amoutzias
- Bioinformatics Laboratory, Department of Biochemistry and Biotechnology, University of Thessaly, Larissa, Greece
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155
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Marwah M, Agrawala PK. COVID-19 lockdown and environmental pollution: an Indian multi-state investigation. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:49. [PMID: 34978634 PMCID: PMC8721483 DOI: 10.1007/s10661-021-09693-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 12/14/2021] [Indexed: 05/09/2023]
Abstract
Originating from China, COVID-19 became the first-ever coronavirus pandemic, wreaking havoc in 218 nations. The lack of a potential treatment exacerbated by the inability of the healthcare infrastructure to contain the viral trajectory led to a worldwide lockdown. The anthropogenic halt presented an unprecedented background to quantify the effect of the anthroposphere on environmental pollution. Consequently, we analyzed the variations in the air (PM10, PM2.5, NO2, SO2) and water pollutants (BOD, COD, DO, coliform) using real-time monitoring data in the majorly hit Indian metropolitan states during the lockdown in contrast to 2019 levels. The overall AQI (air quality index) de-escalated by -31.35%, -34.35%, -32.63%, -29.25% in Delhi, Tamil Nadu, West Bengal, and Karnataka, respectively, from the 2019 levels. The daily concentrations of NO2, PM2.5, and PM10 plunged tremendously. The exact pre-disposing factors responsible for higher COVID-19 transmission in some geographical centers remain elusive. Investigations have corroborated putative links between air pollutants and COVID-19 mortalities. Therefore, we further mapped PM2.5, PM10, NO2, and SO2 to co-relate with COVID-19 infectivity and mortality across the study states. Significant (P < 0.001) positive correlation between COVID-19 transmission was established for all pollutants with maximum co-relation with AQI followed by NO2. River Ganga water in Uttarakhand was deemed "fit for drinking" for the first time in two decades. An aggregate of -71.94, -61.32, and -77.94 decrease in BOD, COD, total coliform levels, and an 11.75 rise in the average DO levels from 2019 data. This study will better assist the future framework of health and environment restoration policies.
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Affiliation(s)
- Mansi Marwah
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, Delhi, India
- Institute of Nuclear Medicine and Allied Sciences, DRDO, Brig SK Mazumdar Marg, Timarpur, Delhi, 110054, India
| | - Paban K Agrawala
- Institute of Nuclear Medicine and Allied Sciences, DRDO, Brig SK Mazumdar Marg, Timarpur, Delhi, 110054, India.
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156
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Shuipys T, Montazeri N. Optimized Protocols for the Propagation and Quantification of Infectious Murine Hepatitis Virus (MHV-A59) Using NCTC Clone 1469 and 929 Cells. Methods Protoc 2022; 5:5. [PMID: 35076547 PMCID: PMC8788426 DOI: 10.3390/mps5010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/13/2021] [Accepted: 12/21/2021] [Indexed: 11/16/2022] Open
Abstract
Murine hepatitis virus (MHV) is a non-human pathogen betacoronavirus that is evolutionarily and structurally related to the human pathogenic viruses SARS-CoV, MERS-CoV, and SARS-CoV-2. However, unlike the human SARS and MERS viruses, MHV requires a biosafety level 2 laboratory for propagating and safe handling, making it a potentially suitable surrogate virus. Despite this utility, few papers discussed the propagation and quantification of MHV using cell lines readily available in biorepositories making their implementations not easily reproducible. This article provides protocols for propagating and quantifying MHV-A59 using the recommended NCTC clone 1469 and clone 929 cell lines from American Type Culture Collection (ATCC). More specifically, the methods detail reviving cells, routine cell passaging, preparing freeze stocks, infection of NCTC clone 1469 with MHV and subsequent harvesting, and plaque assay quantification of MHV using NCTC clone 929 cells. Using these protocols, a BSL-2 laboratory equipped for cell culture work would generate at least 6.0 log plaque-forming units (PFU) per mL of MHV lysate and provide an optimized overlay assay using either methylcellulose or agarose as overlays for the titration of infectious virus particles. The protocols described here are intended to be utilized for persistence and inactivation studies of coronaviruses.
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Affiliation(s)
| | - Naim Montazeri
- Department of Food Science and Human Nutrition, University of Florida, Gainesville, FL 32611, USA;
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157
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Amoutzias GD, Nikolaidis M, Tryfonopoulou E, Chlichlia K, Markoulatos P, Oliver SG. The Remarkable Evolutionary Plasticity of Coronaviruses by Mutation and Recombination: Insights for the COVID-19 Pandemic and the Future Evolutionary Paths of SARS-CoV-2. Viruses 2022; 14:78. [PMID: 35062282 PMCID: PMC8778387 DOI: 10.3390/v14010078] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/22/2021] [Accepted: 12/31/2021] [Indexed: 12/13/2022] Open
Abstract
Coronaviruses (CoVs) constitute a large and diverse subfamily of positive-sense single-stranded RNA viruses. They are found in many mammals and birds and have great importance for the health of humans and farm animals. The current SARS-CoV-2 pandemic, as well as many previous epidemics in humans that were of zoonotic origin, highlights the importance of studying the evolution of the entire CoV subfamily in order to understand how novel strains emerge and which molecular processes affect their adaptation, transmissibility, host/tissue tropism, and patho non-homologous genicity. In this review, we focus on studies over the last two years that reveal the impact of point mutations, insertions/deletions, and intratypic/intertypic homologous and non-homologous recombination events on the evolution of CoVs. We discuss whether the next generations of CoV vaccines should be directed against other CoV proteins in addition to or instead of spike. Based on the observed patterns of molecular evolution for the entire subfamily, we discuss five scenarios for the future evolutionary path of SARS-CoV-2 and the COVID-19 pandemic. Finally, within this evolutionary context, we discuss the recently emerged Omicron (B.1.1.529) VoC.
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Affiliation(s)
- Grigorios D. Amoutzias
- Bioinformatics Laboratory, Department of Biochemistry and Biotechnology, University of Thessaly, 41500 Larissa, Greece;
| | - Marios Nikolaidis
- Bioinformatics Laboratory, Department of Biochemistry and Biotechnology, University of Thessaly, 41500 Larissa, Greece;
| | - Eleni Tryfonopoulou
- Laboratory of Molecular Immunology, Department of Molecular Biology and Genetics, Democritus University of Thrace, University Campus-Dragana, 68100 Alexandroupolis, Greece; (E.T.); (K.C.)
| | - Katerina Chlichlia
- Laboratory of Molecular Immunology, Department of Molecular Biology and Genetics, Democritus University of Thrace, University Campus-Dragana, 68100 Alexandroupolis, Greece; (E.T.); (K.C.)
| | - Panayotis Markoulatos
- Microbial Biotechnology-Molecular Bacteriology-Virology Laboratory, Department of Biochemistry and Biotechnology, University of Thessaly, 41500 Larissa, Greece;
| | - Stephen G. Oliver
- Department of Biochemistry, University of Cambridge, Sanger Building, 80 Tennis Court Road, Cambridge CB2 1GA, UK
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158
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Adapa VB, Adapa S, Narni H. The effect of age on COVID-19 patient's outcome. JOURNAL OF DR. NTR UNIVERSITY OF HEALTH SCIENCES 2022. [DOI: 10.4103/jdrntruhs.jdrntruhs_156_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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159
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Sibiya N, Mbatha B, Arineitwe C, Onyekwuluje C, Ngubane P, Khathi A. Covid 19 May Limit the Use of Anti-hyperglycemic Agents. Does it Call for the Development of New Anti-hyperglycemic Agents? Curr Diabetes Rev 2022; 18:e060821195364. [PMID: 34365928 DOI: 10.2174/1573399817666210806114200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 06/10/2021] [Accepted: 06/15/2021] [Indexed: 01/08/2023]
Abstract
Diabetes mellitus has been identified as a major risk factor for developing severe COVID 19 complications. In this review article, the efforts were directed to provide insights and the possible extent to which some diabetic pharmacological interventions may exacerbate COVID 19 or may not be idyllic options for COVID 19 patients. Articles reviewed were identified using the Google scholar database, and search was done using the English language. Anti-hyperglycemic is associated with undesirable effects including episodes of hypoglycemia, diarrhea, lactic acidosis, and increased risks of cardiovascular and hepatic hazards. These undesirable effects associated with the anti-hyperglycemic agents possess a threat of developing severe COVID19 complications Therefore, this calls for more studies to understand the extent of the risks these agents possess in diabetic COVID 19 patients. Almost all the anti-hyperglycemic agents have the potential to worsen COVID 19, despite their class. COVID 19 may limit the options in terms of available anti-hyperglycemic agents which may not heighten the risk of developing severe COVID 19 complications. The research towards the discovery and development of new compounds and also new therapeutic targets for hyperglycemia should be encouraged and welcome.
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Affiliation(s)
- Ntethelelo Sibiya
- Pharmacology Division, Faculty of Pharmacy, Rhodes University, Grahamstown, South Africa
| | - Bonisiwe Mbatha
- School of Laboratory Medicine, College of Health Science, University of KwaZulu-Natal, Durban, South Africa
| | - Charles Arineitwe
- Pharmacology Division, Faculty of Pharmacy, Rhodes University, Grahamstown, South Africa
| | - Chiamaka Onyekwuluje
- Pharmacology Division, Faculty of Pharmacy, Rhodes University, Grahamstown, South Africa
| | - Phikelelani Ngubane
- School of Laboratory Medicine, College of Health Science, University of KwaZulu-Natal, Durban, South Africa
| | - Andile Khathi
- School of Laboratory Medicine, College of Health Science, University of KwaZulu-Natal, Durban, South Africa
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160
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Dastjerdi S, Malikan M, Akgöz B, Civalek Ö, Wiczenbach T, Eremeyev VA. On the deformation and frequency analyses of SARS-CoV-2 at nanoscale. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE 2022; 170:103604. [PMID: 34728858 PMCID: PMC8554078 DOI: 10.1016/j.ijengsci.2021.103604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 10/23/2021] [Indexed: 05/07/2023]
Abstract
The SARS-CoV-2 virus, which has emerged as a Covid-19 pandemic, has had the most significant impact on people's health, economy, and lifestyle around the world today. In the present study, the SARS-CoV-2 virus is mechanically simulated to obtain its deformation and natural frequencies. The virus under analysis is modeled on a viscoelastic spherical structure. The theory of shell structures in mechanics is used to derive the governing equations. Whereas the virus has nanometric size, using classical theories may give incorrect results. Consequently, the nonlocal elasticity theory is used to consider the effect of interatomic forces on the results. From the mechanical point of view, if a structure vibrates with a natural frequency specific to it, the resonance phenomenon will occur in that structure, leading to its destruction. Therefore, it is possible that the protein chains of SARS-CoV-2 would be destroyed by vibrating it at natural frequencies. Since the mechanical properties of SARS-CoV-2 are not clearly known due to the new emergence of this virus, deformation and natural frequencies are obtained in a specific interval. Researchers could also use this investigation as a pioneering study to find a non-vaccine treatment solution for the SARS-CoV-2 virus and various viruses, including HIV.
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Affiliation(s)
- Shahriar Dastjerdi
- Division of Mechanics, Civil Engineering Department, Akdeniz University, Antalya, Turkey
| | - Mohammad Malikan
- Department of Mechanics of Materials and Structures, Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Gdansk, Poland
| | - Bekir Akgöz
- Division of Mechanics, Civil Engineering Department, Akdeniz University, Antalya, Turkey
| | - Ömer Civalek
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Tomasz Wiczenbach
- Department of Mechanics of Materials and Structures, Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Gdansk, Poland
| | - Victor A Eremeyev
- Department of Mechanics of Materials and Structures, Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Gdansk, Poland
- Research and Education Center "Materials" Don State Technical University, Gagarina sq., 1, 344000 Rostov on Don, Russia
- DICAAR, Università degli Studi di Cagliari, Via Marengo, 2, 09123, Cagliari, Italy
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161
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Sharma R, Bajwa S, Kurdi M, Katikar M, Bajwa S, Choudhary R. Anesthesia management in a post Covid-19 obstetric patient-What we need to know. J Anaesthesiol Clin Pharmacol 2022; 38:S13-S21. [PMID: 36060195 PMCID: PMC9438824 DOI: 10.4103/joacp.joacp_550_21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/25/2022] [Accepted: 03/31/2022] [Indexed: 01/08/2023] Open
Abstract
The outbreak of the coronavirus disease (COVID)-19 pandemic has led to unprecedented challenges globally. At the outset of the receding second wave and third wave of COVID-19, many patients who have recovered from the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) are coming for elective/emergency surgery. This demands a noteworthy emphasis on the post-COVID-19 obstetric patients. The administration of quality and safe obstetric anesthesia are quite challenging in this mentioned subset due to the overlap of signs and symptoms of COVID-19 with the constitutional signs and symptoms of pregnancy. The physiological changes in normal pregnancy and vascular, metabolic alterations in high-risk pregnancy may affect or exacerbate the pathogenesis or clinical presentation of COVID-19, respectively. This article highlights the specific concerns in recovered COVID-19 pregnant patients with associated comorbidity posted for surgery and their repercussions on anesthesia management.
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162
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Mussadiq S, Verma R, Singh D, Bajpai P, Begum N, Kumar S. An epidemiological study and trend analysis of laboratory confirmed COVID-19 cases among children in North India. J Family Med Prim Care 2022; 11:542-546. [PMID: 35360765 PMCID: PMC8963651 DOI: 10.4103/jfmpc.jfmpc_1239_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 10/05/2021] [Accepted: 10/14/2021] [Indexed: 11/30/2022] Open
Abstract
Background: The role of children in transmitting the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus is difficult to ascertain and the consequences remain unclear. This is necessary for public health or infection control purposes. The objective of this study was to describe the epidemiological, month-wise trends and clinical characteristics of coronavirus disease 2019 (COVID-19) infection among children in a tertiary care hospital. Materials and Methods: A cross-sectional study was performed on all pediatric samples of suspected cases of SARS-CoV-2 infection. The samples were received from the adjoining districts and our Institution in the Department of Microbiology from June to November 2020. Cases were then confirmed by real-time reverse transcriptase-polymerase chain reaction. Results: Of the total 62,030 pediatric samples tested, 847 (1.3%) were SARS-CoV-2 positive. The majority of positive cases were between the ages of 11–15 years. The median age of confirmed patients was 14 years. The male to female ratio was 1.5:1. Infants represented 1.6% of the positive cases. About 62.1% of all positive cases were asymptomatic. Childhood cases increased from June 2020 and peaked in September 2020 before declining. Conclusion: Children of all ages appeared susceptible to COVID-19 and accounted for a very small proportion of confirmed cases. Mostly, children were found to be asymptomatic. Young children can be important transmitters of SARS-CoV-2 infection in the general population. This population can be important for targeting immunization efforts throughout a rapidly evolving situation. Our findings provide further evidence of the distribution of infection in children and the transmission of SARS-CoV-2.
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163
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Bakhuraysah MM. Immunity and Therapeutic Approaches against Coronavirus Disease 2019. ARCHIVES OF PHARMACY PRACTICE 2022. [DOI: 10.51847/rsauvyphbk] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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164
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Suresh P, Gupta S, Anmol, Sharma U. Insight into coronaviruses and natural products-based approach for COVID-19 treatment. BIOACTIVE NATURAL PRODUCTS 2022. [PMCID: PMC9294970 DOI: 10.1016/b978-0-323-91099-6.00005-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
There is a deep-rooted belief in mankind that for every illness, somewhere in the world, there exists a botanical-based healing agent in nature in the form of a natural product. Natural products are better equipped to become successful drugs because of their million years of coevolution in a biological milieu. Generally, most herbal formulations and natural products obtained from traditionally used medicinal plants are nontoxic and have rarely shown any adverse side effects on humans. Plants synthesize secondary metabolites primarily for their defense against microbes and herbivores, and because of this, these metabolites have good specificity and potency against harmful pathogens. Nowadays, mankind is facing the contagion effect of SARS-CoV-2 that has caused the ongoing pandemic of COVID-19, which has no specific and effective treatment. Hence this is the time to explore nature for effective, safe, and affordable remedies against this disease. This chapter includes an overview of coronaviruses, their therapeutic targets, and the progress made in identifying lead natural products against the coronaviruses. Additionally, molecular docking and pharmacokinetics analysis of anticoronaviral natural products have been performed to narrow down the possible lead molecules.
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Rezaei A, Nazarian S, Samiei Abianeh H, Kordbacheh E, Alizadeh Z, Mousavi Gargari SL. Antibodies Produced Toward Recombinant RBD and Nucleocapsid Neutralize SARS-COV-2. Avicenna J Med Biotechnol 2022; 14:270-277. [PMID: 36504571 PMCID: PMC9706246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 05/30/2022] [Indexed: 12/15/2022] Open
Abstract
Background The highly contagious SARS-COV-2 virus spread rapidly from China and formed a global pandemic. The virus has infected over 509 million people worldwide and killed about 6.32 million up to date. Up on invasion, the Receptor Binding Domain (RBD) of Spike protein plays a crucial role in the entry of the virus into the host cell. The virus N protein is another protein that has a critical role for genome packaging. Methods As bioinformatics approaches, the cassette design, codon adaptation, and protein stability were investigated in this study. Synthetic genes of RBD and N were cloned separately in pET28a + expression vector. They were transferred into Escherichia coli (E. coli) BL21 DE3 host cell, and expression of recombinant proteins was induced with IPTG. The recombinant proteins were purified by column chromatography and approved by Western blotting. Animal immunization was performed with each of the recombinant proteins individually and in combination of the two. The antibody titer of the blood serum from control and immunized mice groups was determined by ELISA technique. Finally, the anti-spike neutralization test was performed. Results The expression and purification of RBD protein were monitored on SDS-PAGE, two bands of about 28 and 45 kDa for RBD and N appeared on gel distinctly, which were further validated by Western blotting. According to ELISA results, related antibodies were traced to a dilution of 1/64000 in immunized sera. The neutralization test exhibited produced antibodies' potency to bind the virus proteins. Using SPSS software, statistical analysis was performed by Duncan's test and T-test. Conclusion According to the present study, recombinant proteins, either RBD alone or in combination with N adequately stimulated the immune response, and the raised antibodies could neutralize the virus in in vitro test.
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Affiliation(s)
- Amir Rezaei
- Department of Biology, Shahed University, Tehran, Iran
| | - Shahram Nazarian
- Molecular Biotechnology Research Center and Department of Biology, Imam Hussein University, Tehran, Iran,Corresponding authors: Shahram Nazarian, Ph.D., Molecular Biotechnology Research Center and Department of Biology, Imam Hussein University, Tehran, Iran; Seyed Latif Mousavi Gargari, Ph.D., Department of Biology, Shahed University, Tehran, Iran, Tel: +98 21 51212232, Fax: +98 21 51212232, E-mail:,
| | | | - Emad Kordbacheh
- Department of Biology, Imam Hussein University, Tehran, Iran
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Hossain ME, Islam A, Islam S, Rahman MK, Miah M, Alam MS, Rahman MZ. Detection and Molecular Characterization of Canine Alphacoronavirus in Free-Roaming Dogs, Bangladesh. Viruses 2021; 14:67. [PMID: 35062271 PMCID: PMC8778797 DOI: 10.3390/v14010067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/13/2021] [Accepted: 12/28/2021] [Indexed: 01/01/2023] Open
Abstract
Canine coronavirus (CCoV) is widespread among the dog population and causes gastrointestinal disorders, and even fatal cases. As the zoonotic transmission of viruses from animals to humans has become a worldwide concern nowadays, it is necessary to screen free-roaming dogs for their common pathogens due to their frequent interaction with humans. We conducted a cross-sectional study to detect and characterize the known and novel Corona, Filo, Flavi, and Paramyxoviruses in free-roaming dogs in Bangladesh. Between 2009-10 and 2016-17, we collected swab samples from 69 dogs from four districts of Bangladesh, tested using RT-PCR and sequenced. None of the samples were positive for Filo, Flavi, and Paramyxoviruses. Only three samples (4.3%; 95% CI: 0.9-12.2) tested positive for Canine Coronavirus (CCoV). The CCoV strains identified were branched with strains of genotype CCoV-II with distinct distances. They are closely related to CCoVs from the UK, China, and other CoVs isolated from different species, which suggests genetic recombination and interspecies transmission of CCoVs. These findings indicate that CCoV is circulating in dogs of Bangladesh. Hence, we recommend future studies on epidemiology and genetic characterization with full-genome sequencing of emerging coronaviruses in companion animals in Bangladesh.
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Affiliation(s)
- Mohammad Enayet Hossain
- International Centre for Diarrhoeal Diseases Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh; (M.E.H.); (M.M.); (M.S.A.); (M.Z.R.)
| | - Ariful Islam
- EcoHealth Alliance, New York, NY 10001-2320, USA; (S.I.); (M.K.R.)
- Centre for Integrative Ecology, School of Life and Environmental Science, Deakin University, Burwood, VIC 3216, Australia
- Institute of Epidemiology, Disease Control and Research (IEDCR), Mohakhali, Dhaka 1212, Bangladesh
| | - Shariful Islam
- EcoHealth Alliance, New York, NY 10001-2320, USA; (S.I.); (M.K.R.)
- Institute of Epidemiology, Disease Control and Research (IEDCR), Mohakhali, Dhaka 1212, Bangladesh
| | - Md Kaisar Rahman
- EcoHealth Alliance, New York, NY 10001-2320, USA; (S.I.); (M.K.R.)
- Institute of Epidemiology, Disease Control and Research (IEDCR), Mohakhali, Dhaka 1212, Bangladesh
| | - Mojnu Miah
- International Centre for Diarrhoeal Diseases Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh; (M.E.H.); (M.M.); (M.S.A.); (M.Z.R.)
| | - Md Shaheen Alam
- International Centre for Diarrhoeal Diseases Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh; (M.E.H.); (M.M.); (M.S.A.); (M.Z.R.)
| | - Mohammed Ziaur Rahman
- International Centre for Diarrhoeal Diseases Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh; (M.E.H.); (M.M.); (M.S.A.); (M.Z.R.)
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Guimarães TC, Marques BBF, de Castro MV, Secco DA, Porto LCMS, Tinoco JMM, Tinoco EMB, Fletcher P, Fischer RG. Reducing the viral load of SARS‐CoV‐2 in the saliva of patients with COVID‐19. Oral Dis 2021; 28 Suppl 2:2474-2480. [DOI: 10.1111/odi.14118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 12/01/2022]
Affiliation(s)
- Taísa Coelho Guimarães
- Department of Periodontology Dental School Rio de Janeiro State University Rio de Janeiro Brazil
| | | | - Marcelle Viana de Castro
- Histocompatibility and Cryopreservation Laboratory Rio de Janeiro State University Rio de Janeiro Brazil
| | - Daniele Angst Secco
- Histocompatibility and Cryopreservation Laboratory Rio de Janeiro State University Rio de Janeiro Brazil
| | - Luís Cristóvão Moraes Sobrino Porto
- Histocompatibility and Cryopreservation Laboratory Rio de Janeiro State University Rio de Janeiro Brazil
- Service of Clinical Pathology Piquet Carneiro Polyclinic Rio de Janeiro State University Rio de Janeiro Brazil
| | | | | | - Paul Fletcher
- Department of Periodontology Stony Brook School of Dental Medicine USA
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Hu Y, Xie X, Yang L, Wang A. A Comprehensive View on the Host Factors and Viral Proteins Associated With Porcine Epidemic Diarrhea Virus Infection. Front Microbiol 2021; 12:762358. [PMID: 34950116 PMCID: PMC8688245 DOI: 10.3389/fmicb.2021.762358] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 10/26/2021] [Indexed: 11/17/2022] Open
Abstract
Porcine epidemic diarrhea virus (PEDV), a coronavirus pathogen of the pig intestinal tract, can cause fatal watery diarrhea in piglets, thereby causing huge economic losses to swine industries around the world. The pathogenesis of PEDV has intensively been studied; however, the viral proteins of PEDV and the host factors in target cells, as well as their interactions, which are the foundation of the molecular mechanisms of viral infection, remain to be summarized and updated. PEDV has multiple important structural and functional proteins, which play various roles in the process of virus infection. Among them, the S and N proteins play vital roles in biological processes related to PEDV survival via interacting with the host cell proteins. Meanwhile, a number of host factors including receptors are required for the infection of PEDV via interacting with the viral proteins, thereby affecting the reproduction of PEDV and contributing to its life cycle. In this review, we provide an updated understanding of viral proteins and host factors, as well as their interactions in terms of PEDV infection. Additionally, the effects of cellular factors, events, and signaling pathways on PEDV infection are also discussed. Thus, these comprehensive and profound insights should facilitate for the further investigations, control, and prevention of PEDV infection.
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Affiliation(s)
- Yi Hu
- Laboratory of Animal Disease Prevention and Control and Animal Model, Hunan Provincial Key Laboratory of Protein Engineering in Animal Vaccines, College of Veterinary Medicine, Hunan Agricultural University, Changsha, China
| | - Xiaohong Xie
- Hunan Engineering Research Center of Livestock and Poultry Health Care, Colleges of Veterinary Medicine, Hunan Agricultural University, Changsha, China
| | - Lingchen Yang
- Laboratory of Animal Disease Prevention and Control and Animal Model, Hunan Provincial Key Laboratory of Protein Engineering in Animal Vaccines, College of Veterinary Medicine, Hunan Agricultural University, Changsha, China
| | - Aibing Wang
- Laboratory of Animal Disease Prevention and Control and Animal Model, Hunan Provincial Key Laboratory of Protein Engineering in Animal Vaccines, College of Veterinary Medicine, Hunan Agricultural University, Changsha, China.,PCB Biotechnology, LLC, Rockville, MD, United States
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Wang S, Zou X, Li Z, Fu J, Fan H, Yu H, Deng F, Huang H, Peng J, Zhao K, Cui L, Zhu L, Bao C. Analysis of Clinical Characteristics and Virus Strains Variation of Patients Infected With SARS-CoV-2 in Jiangsu Province-A Retrospective Study. Front Public Health 2021; 9:791600. [PMID: 35004593 PMCID: PMC8739897 DOI: 10.3389/fpubh.2021.791600] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/29/2021] [Indexed: 12/16/2022] Open
Abstract
Background: At present, the global sever acute respiratory syndrome coronavirus 2 (SARS-CoV-2) situation is still grim, and the risk of local outbreaks caused by imported viruses is high. Therefore, it is necessary to monitor the genomic variation and genetic evolution characteristics of SARS-CoV-2. The main purpose of this study was to detect the entry of different SARS-CoV-2 variants into Jiangsu Province, China. Methods: First, oropharyngeal swabs were collected from 165 patients (55 locally confirmed cases and 110 imported cases with confirmed and asymptomatic infection) diagnosed with SARS-CoV-2 infection in Jiangsu Province, China between January 2020 and June 2021. Then, whole genome sequencing was used to explore the phylogeny and find potential mutations in genes of the SARS-CoV-2. Last, association analysis among clinical characteristics and SARS-CoV-2 Variant of Concern, pedigree surveillance analysis of SARS-COV-2, and single nucleotide polymorphisms (SNPs) detection in SARS-COV-2 samples was performed. Results: More men were infected with the SARS-CoV-2 when compared with women. The onset of the SARS-CoV-2 showed a trend of younger age. Moreover, the number of asymptomatic infected patients was large, similar to the number of common patients. Patients infected with Alpha (50%) and Beta (90%) variants were predominantly asymptomatic, while patients infected with Delta (17%) variant presented severe clinical features. A total of 935 SNPs were detected in 165 SARS-COV-2 samples. Among which, missense mutation (58%) was the dominant mutation type. About 56% of SNPs changes occurred in the open reading frame 1ab (ORF1ab) gene. Approximately, 20% of SNP changes occurred in spike glycoprotein (S) gene, such as p.Asp501Tyr, p.Pro681His, and p.Pro681Arg. In total, nine SNPs loci in S gene were significantly correlated with the severity of patients. It is worth mentioning that amino acid substitution of p.Asp614Gly was significantly positively correlated with the clinical severity of patients. The amino acid replacements of p.Ser316Thr and p.Lu484Lys were significantly negatively correlated with the course of disease. Conclusion: Sever acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may further undergo a variety of mutations in different hosts, countries, and weather conditions. Detecting the entry of different virus variants of SARS-CoV-2 into Jiangsu Province, China may help to monitor the spread of infection and the diversity of eventual recombination or genomic mutations.
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Affiliation(s)
- Shenjiao Wang
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Xin Zou
- School of Public Health, Nanjing Medical University, Nanjing, China
| | - Zhifeng Li
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Jianguang Fu
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Huan Fan
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Huiyan Yu
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Fei Deng
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Haodi Huang
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Jiefu Peng
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Kangcheng Zhao
- Institute of Microbiology, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Lunbiao Cui
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - LiGuo Zhu
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Changjun Bao
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
- School of Public Health, Nanjing Medical University, Nanjing, China
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Assessment of health awareness and knowledge toward SARS-CoV-2 and COVID-19 vaccines among residents of Makkah, Saudi Arabia. CLINICAL EPIDEMIOLOGY AND GLOBAL HEALTH 2021; 13:100935. [PMID: 34934849 PMCID: PMC8675145 DOI: 10.1016/j.cegh.2021.100935] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 11/08/2021] [Accepted: 12/07/2021] [Indexed: 12/28/2022] Open
Abstract
Introduction Public awareness regarding COVID-19 plays an important role in controlling the virus’ spread and treating infected people. A high level of awareness among the public will help to implement preventive measures, particularly in the most populated regions, such as Makkah, Saudi Arabia. COVID-19 is an infectious disease and the Saudi Arabian government has taken serious precautions and implemented several preventive measures. In addition, The Ministry of Health (MOH) has launched many awareness campaigns and provided COVID-19 vaccines for free. The objectives To assess the Public's level of health awareness and knowledge toward SARS-CoV-2 and COVID-19 vaccines among residents of Makkah, Saudi Arabia. Methods A cross-sectional study was conducted in the Makkah region from February 23 to March 2, 2021. The questionnaire was generated using a Google form and distributed online through social platforms such as Twitter and WhatsApp. The questionnaire consisted of five sections and six hundred participants have answered and completed all questions. Then, All data were imported into Microsoft Excel and analyzed using the statistical tools SAS version 9.4 and SPSS version 25 software. Results A total of 600 participants from the Makkah region were found to have a high level of awareness and knowledge about all aspects of SARS-CoV-2 and the COVID-19 disease. For example, all participants considered coronavirus to be contagious, and 89.8% of them knew that COVID-19's symptoms are similar to those of seasonal flu. Most respondents showed a high level of awareness regarding the main factors of SARS-CoV-2 transmission. Over 98.7% of respondents were aware of the role of gatherings and events in further spread of the virus. The participants showed a good level of awareness about other preventive measures, such as maintaining social distancing and wearing a mask. However, the respondents considered COVID-19 vaccines to be effective, but some of them were not aware of their side effects, and 38.8% planned to receive a vaccine. Conclusion The residents of Makkah showed a high level of awareness about these aspects; an excellent awareness level was noted for SARS-CoV-2, means of transmission, disease symptoms and prevention of viral spread. On the other hand, the participants had less knowledge regarding COVID-19 vaccines; hence, more effort is required to educate people about the safety and benefits of the vaccines.
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Yang L, Xu Q, Yang B, Li J, Dong R, Da J, Ye Z, Xu Y, Zhou H, Zhang X, Liu L, Zha Y, Yu F. IgG antibody titers against SARS-CoV-2 nucleocapsid protein correlate with the severity of COVID-19 patients. BMC Microbiol 2021; 21:351. [PMID: 34922455 PMCID: PMC8683808 DOI: 10.1186/s12866-021-02401-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 11/25/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The 2019 novel coronavirus disease (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 virus (SARS-CoV-2) is a current worldwide threat for which the immunological features after infection need to be investigated. The aim of this study was to establish a highly sensitive and quantitative detection method for SARS-CoV-2 IgG antibody and to compare the antibody reaction difference in patients with different disease severity. RESULTS Recombinant SARS-CoV-2 nucleocapsid protein was expressed in Escherichia coli and purified to establish an indirect IgG ELISA detection system. The sensitivity of the ELISA was 100% with a specificity of 96.8% and a 98.3% concordance when compared to a colloidal gold kit, in addition, the sensitivity of the ELISA was 100% with a specificity of 98.9% and a 99.4% concordance when compared to a SARS-CoV-2 spike S1 protein IgG antibody ELISA kit. The increased sensitivity resulted in a higher rate of IgG antibody detection for COVID-19 patients. Moreover, the quantitative detection can be conducted with a much higher serum dilution (1:400 vs 1:10, 1:400 vs 1:100). The antibody titers of 88 patients with differing COVID-19 severity at their early convalescence ranged from 800 to 102,400, and the geometric mean titer for severe and critical cases, moderate cases, asymptomatic and mild cases was 51,203, 20,912, and 9590 respectively. CONCLUSION The development of a highly sensitive ELISA system for the detection of SARS-CoV-2 IgG antibodies is described herein. This system enabled a quantitative study of rSARS-CoV-2-N IgG antibody titers in COVID-19 patients, the occurrence of higher IgG antibody titers were found to be correlated with more severe cases.
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Affiliation(s)
- Li Yang
- Medical College, Guizhou University, Guiyang, People's Republic of China.
| | - Qiang Xu
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China
| | - Bin Yang
- Medical College, Guizhou University, Guiyang, People's Republic of China.,Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China
| | - Jiayu Li
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China
| | - Rong Dong
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China
| | - Jingjing Da
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China
| | - Zhixu Ye
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China
| | - Yongjie Xu
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China
| | - Hourong Zhou
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China
| | - Xiangyan Zhang
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China.,NHC Key Laboratory of Pulmonary Immunological Diseases (Guizhou Provincial People's Hospital), Guiyang, People's Republic of China
| | - Lin Liu
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China.,NHC Key Laboratory of Pulmonary Immunological Diseases (Guizhou Provincial People's Hospital), Guiyang, People's Republic of China
| | - Yan Zha
- Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China.,NHC Key Laboratory of Pulmonary Immunological Diseases (Guizhou Provincial People's Hospital), Guiyang, People's Republic of China
| | - Fuxun Yu
- Medical College, Guizhou University, Guiyang, People's Republic of China. .,Department of Central Laboratory, Guizhou Provincial People's Hospital, No. 83 Zhongshan Dong Road, Guiyang, 550002, Guizhou Province, People's Republic of China. .,NHC Key Laboratory of Pulmonary Immunological Diseases (Guizhou Provincial People's Hospital), Guiyang, People's Republic of China.
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Alathari MJA, Al Mashhadany Y, Mokhtar MHH, Burham N, Bin Zan MSD, A Bakar AA, Arsad N. Human Body Performance with COVID-19 Affectation According to Virus Specification Based on Biosensor Techniques. SENSORS (BASEL, SWITZERLAND) 2021; 21:8362. [PMID: 34960456 PMCID: PMC8704003 DOI: 10.3390/s21248362] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 12/12/2022]
Abstract
Life was once normal before the first announcement of COVID-19's first case in Wuhan, China, and what was slowly spreading became an overnight worldwide pandemic. Ever since the virus spread at the end of 2019, it has been morphing and rapidly adapting to human nature changes which cause difficult conundrums in the efforts of fighting it. Thus, researchers were steered to investigate the virus in order to contain the outbreak considering its novelty and there being no known cure. In contribution to that, this paper extensively reviewed, compared, and analyzed two main points; SARS-CoV-2 virus transmission in humans and detection methods of COVID-19 in the human body. SARS-CoV-2 human exchange transmission methods reviewed four modes of transmission which are Respiratory Transmission, Fecal-Oral Transmission, Ocular transmission, and Vertical Transmission. The latter point particularly sheds light on the latest discoveries and advancements in the aim of COVID-19 diagnosis and detection of SARS-CoV-2 virus associated with this disease in the human body. The methods in this review paper were classified into two categories which are RNA-based detection including RT-PCR, LAMP, CRISPR, and NGS and secondly, biosensors detection including, electrochemical biosensors, electronic biosensors, piezoelectric biosensors, and optical biosensors.
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Affiliation(s)
- Mohammed Jawad Ahmed Alathari
- Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia; (M.J.A.A.); (M.H.H.M.); (N.B.); (M.S.D.B.Z.); (A.A.A.B.)
| | - Yousif Al Mashhadany
- Department of Electrical Engineering, College of Engineering, University of Anbar, Anbar 00964, Iraq;
| | - Mohd Hadri Hafiz Mokhtar
- Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia; (M.J.A.A.); (M.H.H.M.); (N.B.); (M.S.D.B.Z.); (A.A.A.B.)
| | - Norhafizah Burham
- Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia; (M.J.A.A.); (M.H.H.M.); (N.B.); (M.S.D.B.Z.); (A.A.A.B.)
- School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, Shah Alam 40450, Malaysia
| | - Mohd Saiful Dzulkefly Bin Zan
- Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia; (M.J.A.A.); (M.H.H.M.); (N.B.); (M.S.D.B.Z.); (A.A.A.B.)
| | - Ahmad Ashrif A Bakar
- Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia; (M.J.A.A.); (M.H.H.M.); (N.B.); (M.S.D.B.Z.); (A.A.A.B.)
| | - Norhana Arsad
- Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia; (M.J.A.A.); (M.H.H.M.); (N.B.); (M.S.D.B.Z.); (A.A.A.B.)
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Xia J, Tang W, Wang J, Lai D, Xu Q, Huang R, Hu Y, Gong X, Fan J, Shu Q, Xu J. SARS-CoV-2 N Protein Induces Acute Lung Injury in Mice via NF-ĸB Activation. Front Immunol 2021; 12:791753. [PMID: 34950152 PMCID: PMC8688532 DOI: 10.3389/fimmu.2021.791753] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/19/2021] [Indexed: 01/11/2023] Open
Abstract
Background Infection of SARS-CoV-2 may cause acute respiratory syndrome. It has been reported that SARS-CoV-2 nucleocapsid protein (N-protein) presents early in body fluids during infection. The direct involvement of N-protein in lung injury is poorly understood. Methods Recombinant N-protein was pretreated with polymyxin B, a lipopolysaccharide (LPS)-neutralizing agent. C57BL/6, C3H/HeJ (resistant to LPS), and C3H/HeN (control for C3H/HeJ) mice were exposed to N-protein via intratracheal administration to examine acute lung injury. In vitro, bone marrow-derived macrophages (BMDMs) were cultured with N-protein to study phosphorylation of nuclear factor kappa B (NF-ĸB) p65, macrophage polarization, and expression of proinflammatory cytokines. Results N-protein produced acute lung injury in C57BL/6 mice, with elevated protein permeability, total cell count, neutrophil infiltration, and proinflammatory cytokines in the bronchioalveolar lavage. N-protein also induced lung injury in both C3H/HeJ and C3H/HeN mice, indicating that the effect could not be attributed to the LPS contamination. N-protein triggered phosphorylation of NF-ĸB p65 in vitro, which was abolished by both N-protein denaturation and treatment with an antibody for N-protein, demonstrating that the effect is N-protein specific. In addition, N-protein promoted M1 macrophage polarization and the expression of proinflammatory cytokines, which was also blocked by N-protein denaturation and antibody for N-protein. Furthermore, N-protein induced NF-ĸB p65 phosphorylation in the lung, while pyrrolidine dithiocarbamate, an NF-ĸB inhibitor, alleviated the effect of N-protein on acute lung injury. Conclusions SARS-CoV-2 N-protein itself is toxic and induces acute lung injury in mice. Both N-protein and NF-ĸB pathway may be therapeutic targets for treating multi-organ injuries in Coronavirus disease 2019 (COVID-19).
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Affiliation(s)
- Jie Xia
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
| | - Wenqi Tang
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
| | - Jiangmei Wang
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
| | - Dengming Lai
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
| | - Qi Xu
- Hangzhou Medical College of Bioengineering, Hangzhou, China
| | - Ruoqiong Huang
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
| | - Yaoqin Hu
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
| | - Xiaojue Gong
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
| | - Jiajie Fan
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
| | - Qiang Shu
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
| | - Jianguo Xu
- The Children’s Hospital of Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, China
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174
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Sterilizing Immunity against COVID-19: Developing Helper T cells I and II activating vaccines is imperative. Biomed Pharmacother 2021; 144:112282. [PMID: 34624675 PMCID: PMC8486642 DOI: 10.1016/j.biopha.2021.112282] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 09/23/2021] [Accepted: 09/29/2021] [Indexed: 01/04/2023] Open
Abstract
Six months after the publication of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) sequence, a record number of vaccine candidates were listed, and quite a number of them have since been approved for emergency use against the novel coronavirus disease 2019 (COVID-19). This unprecedented pharmaceutical feat did not only show commitment, creativity and collaboration of the scientific community, but also provided a swift solution that prevented global healthcare system breakdown. Notwithstanding, the available data show that most of the approved COVID-19 vaccines protect only a proportion of recipients against severe disease but do not prevent clinical manifestation of COVID-19. There is therefore the need to probe further to establish whether these vaccines can induce sterilizing immunity, otherwise, COVID-19 vaccination would have to become a regular phenomenon. The emergence of SARS-CoV-2 variants could further affect the capability of the available COVID-19 vaccines to prevent infection and protect recipients from a severe form of the disease. These notwithstanding, data about which vaccine(s), if any, can confer sterilizing immunity are unavailable. Here, we discuss the immune responses to viral infection with emphasis on COVID-19, and the specific adaptive immune response to SARS-CoV-2 and how it can be harnessed to develop COVID-19 vaccines capable of conferring sterilizing immunity. We further propose factors that could be considered in the development of COVID-19 vaccines capable of stimulating sterilizing immunity. Also, an old, but effective vaccine development technology that can be applied in the development of COVID-19 vaccines with sterilizing immunity potential is reviewed.
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175
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Coronavirus Diseases (COVID-19): Features, Epidemiology, Mutational variations and Treatments Across India. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2021. [DOI: 10.22207/jpam.15.4.61] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Coronaviruses are a group of enveloped viruses with a longer, undivided single-stranded RNA genome, which cause diseases in a variety of animals and humans. In addition to infecting other economically important animals (such as pigs or chickens), six coronaviruses are known to infect human hosts, causing respiratory illness. Severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV) are highly pathogenic animal coronaviruses that have produced local, regional, and worldwide outbreaks. It is suspected that the current pandemic, caused by a similar coronavirus (SARS-CoVID-19). A new variant of B.1.617 lineage that causes worry about many countries has been identified first in the UK but it makes the worst scenario in India. This includes mutants with immune prolapse E484K and N501Y mutations. Some new variants recently discovered in India like double & triple mutation due to some specific climatic and environmental conditions. Because it creates a viral exodermis and contacts human cells due to mutations in peplomer proteins. The other type of protein is spike protein, are required to bind to receptors in human cells mutations. It can improve the affinity for human receptors and increase the virus, they can cause immune prolapse and reinfection. Moreover, these viruses are capable of adapting and mutating to the new environment. Our immune system is unable to distinguish them from previous infections due to changes in the structure of proteins. The rapid transmission of the COVID-19 around the world causing a severe mortality rate depends on mutation on their spike protein.
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176
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Velusamy P, Kiruba K, Su CH, Arun V, Anbu P, Gopinath SCB, Vaseeharan B. SARS-CoV-2 spike protein: Site-specific breakpoints for the development of COVID-19 vaccines. JOURNAL OF KING SAUD UNIVERSITY. SCIENCE 2021; 33:101648. [PMID: 34690467 PMCID: PMC8523302 DOI: 10.1016/j.jksus.2021.101648] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 09/08/2021] [Accepted: 10/07/2021] [Indexed: 05/08/2023]
Abstract
SARS-CoV2 is a member of human coronaviruses and is the causative agent of the present pandemic COVID-19 virus. In order to control COVID-19, studies on viral structure and mechanism of infectivity and pathogenicity are sorely needed. The spike (S) protein is comprised of S1 & S2 subunits. These spike protein subunits enable viral attachment by binding to the host cell via ACE-2 (angiotensin converting enzyme-2) receptor, thus facilitating the infection. During viral entry, one of the key steps is the cleavage of the S1-S2 spike protein subunits via surface TMPRSS2 (transmembrane protease serine 2) and results in viral infection. Hence, the S-protein is critical for the viral attachment and penetration into the host. The rapid advancement of our knowledge on the structural and functional aspects of the spike protein could lead to development of numerous candidate vaccines against SARS-CoV2. Here the authors discuss about the structure of spike protein and explore its related functions. Our aim is to provide a better understanding that may aid in fighting against CoVID-19 and its treatment.
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Affiliation(s)
- Palaniyandi Velusamy
- Research and Development Wing, Central Research Laboratory, Sree Balaji Medical College and Hospital, Bharath Institute of Higher Education and Research (BIHER), Chennai- 600 044, TN, India
| | - Kannan Kiruba
- Department of Biotechnology, University of Madras, Guindy Campus, Chennai 600 025, TN, India
| | - Chia-Hung Su
- Department of Chemical Engineering, Ming Chi University of Technology, Taishan, Taipei 24301, Taiwan
| | - Viswanathan Arun
- Department of Biotechnology SRFBMST, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai 600 116, TN, India
| | - Periasamy Anbu
- Department of Biological Engineering, College of Engineering, Inha University, Incheon 402-751, Republic of Korea
| | - Subash C B Gopinath
- Faculty of Chemical Engineering Technology and Institute of Nano Electronic Engineering, Universiti Malaysia Perlis, Arau 02600, Perlis, Malaysia
| | - Baskaralingam Vaseeharan
- Nanobiosciences and Nanopharmacology Division, Biomaterials and Biotechnology in Animal Health Lab, Department of Animal Health and Management, Alagappa University, Science Campus 6th Floor, Karaikudi 630 004, Tamil Nadu, India
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177
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Setayesh-Mehr Z, Poorsargol M. Dentistry pathways of coronaviruses transmission: a review. Virusdisease 2021; 32:616-624. [PMID: 34337110 PMCID: PMC8313004 DOI: 10.1007/s13337-021-00707-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 06/08/2021] [Indexed: 11/23/2022] Open
Abstract
The nCoV-19 in a short period of time, in lower than two months has been spread as a pandemic in all over the world. This novel type of Coronavirus which shows itself with coughing, sneezing, fatigue and respiratory symptoms which is similar to cold illness has killed more than 100,000 people. However, many protocols have been established to minimize the number of infected people, but without any border and regardless the nationality, this virus has been spread in all countries. In this review, with broad mechanistic and interdisciplinary consideration the dentistry pathways of transmission, physiology, effective and available drugs and their biological inhibiting pathways have been discussed. Among many reasons that have caused higher rate of spreading, the dental services and surgeries involve to professional-patient close contacts could be seen as one of the probable pathways of transmission for this virus. According to the more recently reported literatures, the blueprint of many individual and instrumental reasons in dentistry, could be observed in nCoV-19 infection and spreading which raise the concern of the professionals about the efficiency of conventional antiviral methods. So, results of many studies attributed to the facts that the superhydrophobic antiviral materials and surfaces are potential candidates for designing dentistry instruments with more antiviral properties.
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Affiliation(s)
- Zahra Setayesh-Mehr
- Department of Biology, Faculty of Science, University of Zabol, P.O. Box 35856-98613, Zabol, Iran
| | - Mahdiye Poorsargol
- Department of Chemistry, Faculty of Science, University of Zabol, P.O. Box 35856-98613, Zabol, Iran
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178
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Zhao H, Zhang Q, Chen H, Rahman MR, Faruquee HM. Integrated multi-omics approach identified molecular mechanism and pathogenetic processes of COVID-19 that affect patient with Parkinson's disorder. Saudi J Biol Sci 2021; 28:6939-6945. [PMID: 34366686 PMCID: PMC8327558 DOI: 10.1016/j.sjbs.2021.07.074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 06/25/2021] [Accepted: 07/26/2021] [Indexed: 12/14/2022] Open
Abstract
The novel coronavirus named SARS-CoV-2 has emerged at the end of 2019, which causes coronavirus disease (COVID-2019). Recent case reports of COVID-19 patients have revealed the onset of Parkinson's disease (PD) symptoms in patients who do not have a family history of the PD. However, till recently, no genetic impact or mechanisms that may induce Parkinsonism in COVID-19 patients or after COVID-19 have been found.. This study aimed to detect the commonly dysregulated genes, transcriptional regulators, and pathways between PD and COVID-19. We integrated genome-wide transcriptomic datasets from peripheral blood mononuclear cells (PBMC) samples from COVID-19 and PD and associated pathways. Our study revealed 81 upregulated and 48 downregulated differentially expressed genes (DEGs) shared between PD and COVID-19. These dysregulated genes were involved in key pathways "mitochondrion structure organization", "cell activation in immune response", and "signalling by interleukins". Our analysis showed RELA, TP53 and SP1 TFs that may regulate the upregulated DEGs. We have discovered key dysregulated genes and characterized the biological processes of commonly dysregulated in COVID-19 and PD, which could be used for the design of personalized treatment of PD following COVID-19.
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Affiliation(s)
- Hongxia Zhao
- Weifang Medical University, China
- Shandong Hongjitang Pharmaceutical Group Co. Ltd, China
| | - Qinghua Zhang
- Engineer, Teaching Quality Monitoring and Evaluation Center, Guangdong Construction Polytechnic, China
| | - Huifang Chen
- School of Pharmacy, Guangdong Lingnan Institue of Technology, China
| | - Md Rezanur Rahman
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, Bangladesh
| | - Hossain Md Faruquee
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, Bangladesh
- Molecular Medicine, Translational Health Group, International Center for Genetic Engineering and Biotechnology (ICGEB), New Delhi, India
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179
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Akter R, Rahman MH, Bhattacharya T, Kaushik D, Mittal V, Parashar J, Kumar K, Kabir MT, Tagde P. Novel coronavirus pathogen in humans and animals: an overview on its social impact, economic impact, and potential treatments. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:68071-68089. [PMID: 34664166 PMCID: PMC8523003 DOI: 10.1007/s11356-021-16809-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 09/25/2021] [Indexed: 04/15/2023]
Abstract
In the light of thousands of infections and deaths, the World Health Organization (WHO) has declared the outbreak of coronavirus disease (COVID-19) a worldwide pandemic. It has spread to about 22 million people worldwide, with a total of 0.45 million expiries, limiting the movement of most people worldwide in the last 6 months. However, COVID-19 became the foremost health, economic, and humanitarian challenge of the twenty-first century. Measures intended to curb the pandemic of COVID-19 included travel bans, lockdowns, and social distances through shelter orders, which will further stop human activities suddenly and eventually impact the world and the national economy. The viral disease is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). After SARS-CoV-2 virus and Middle East respiratory syndrome (MERS)-related CoV, COVID-19 is the third most significant lethal disease to humans. According to WHO, COVID-19 mortality exceeded that of SARS and MERS since COVID-19 was declared an international public health emergency. Genetic sequencing has recently established that COVID-19 is close to SARS-CoV and bat coronavirus which has not yet been recognized as the key cause of this pandemic outbreak, its transmission, and human pathogen mechanism. This review focuses on a brief introduction of novel coronavirus pathogens, including coronavirus in humans and animals, its taxonomic classification, symptoms, pathogenicity, social impact, economic impact, and potential treatment therapy for COVID-19.
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Affiliation(s)
- Rokeya Akter
- Department of Pharmacy, Jagannath University, Sadarghat, Dhaka-1100, Bangladesh
| | - Md Habibur Rahman
- Department of Pharmacy, Southeast University, Banani, Dhaka-1213, Bangladesh.
| | - Tanima Bhattacharya
- School of Chemistry & Chemical Engineering, Hubei University, Wuhan, People's Republic of China, 430062
| | - Deepak Kaushik
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, Haryana, India.
| | - Vineet Mittal
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Jatin Parashar
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Kuldeep Kumar
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
| | - Md Tanvir Kabir
- Department of Pharmacy, Brac University, 66 Mohakhali, Dhaka, 1212, Bangladesh
| | - Priti Tagde
- Bhabha Pharmacy Research Institute, Bhabha University, Bhopal, M.P, India
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180
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Yu J, Sun S, Tang Q, Wang C, Yu L, Ren L, Li J, Zhang Z. Establishing reference sequences for each clade of SARS-CoV-2 to provide a basis for virus variation and function research. J Med Virol 2021; 94:1494-1501. [PMID: 34821382 PMCID: PMC9015442 DOI: 10.1002/jmv.27476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 11/17/2021] [Accepted: 11/19/2021] [Indexed: 11/10/2022]
Abstract
Coronavirus disease 2019 (COVID‐19) is a severe respiratory disease caused by the highly infectious severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2). As the COVID‐19 pandemic continues, mutations of SARS‐CoV‐2 accumulate. These mutations may not only make the virus spread faster, but also render current vaccines less effective. In this study, we established a reference sequence for each clade defined using the GISAID typing method. Homology analysis of each reference sequence confirmed a low mutation rate for SARS‐CoV‐2, with the latest clade GRY having the lowest homology with other clades (99.89%–99.93%), and the homology between other clade being greater than or equal to 99.95%. Variation analyses showed that the earliest genotypes S, V, and G had 2, 3, and 3 characterizing mutations in the genome respectively. The G‐derived clades GR, GH, and GV had 5, 6, and 13 characterizing mutations in the genome respectively. A total of 28 characterizing mutations existed in the genome of the latest clades GRY. In addition, we found differences in the geographic distribution of different clades. G, GH, and GR are popular in the USA, while GV and GRY are common in the UK. Our work may facilitate the custom design of antiviral strategies depending on the molecular characteristics of SARS‐CoV‐2. We established reference sequences for GISAID typing in order to provide suitable reference standards for studies on the molecular biology and virology of SARS‐CoV‐2. Based on established reference sequences, we identified characterizing mutations and high‐frequency mutations in each clade.
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Affiliation(s)
- Jian Yu
- Department of Infectious Diseases, The Second Hospital of Anhui Medical University, Hefei, China.,Institute of Clinical Virology, The Second Hospital of Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, The School of Pharmacy, Anhui Medical University, Hefei, China
| | - Shanshan Sun
- Department of Infectious Diseases, The Second Hospital of Anhui Medical University, Hefei, China.,Institute of Clinical Virology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Qianqian Tang
- Department of Infectious Diseases, The Second Hospital of Anhui Medical University, Hefei, China.,Institute of Clinical Virology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Chengzhuo Wang
- Department of Infectious Diseases, The Second Hospital of Anhui Medical University, Hefei, China.,Institute of Clinical Virology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Liangchen Yu
- The Second Clinical Medical School, Anhui Medical University, Hefei, China
| | - Lulu Ren
- The Second Clinical Medical School, Anhui Medical University, Hefei, China
| | - Jun Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, The School of Pharmacy, Anhui Medical University, Hefei, China
| | - Zhenhua Zhang
- Department of Infectious Diseases, The Second Hospital of Anhui Medical University, Hefei, China.,Institute of Clinical Virology, The Second Hospital of Anhui Medical University, Hefei, China
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181
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Ahmed HM, Abd El Kareem RM, Ali FM, Sayed AR, Mohamed YA. Clinical, laboratory, and radiological characteristics of COVID-19-infected children admitted to pediatric intensive care unit: a single-center experience. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2021; 10:79. [PMID: 34805418 PMCID: PMC8590861 DOI: 10.1186/s43088-021-00168-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 11/02/2021] [Indexed: 12/27/2022] Open
Abstract
Background During the second wave of COVID-19, there is an increasing incidence of reported cases in children compared to the early wave. Data on the clinical and laboratory characteristics of COVID-19 in children are evolving, and reports on the characteristics and outcomes of severe COVID-19 in children are still under evaluation. We aimed to describe the clinical, laboratory, and radiological characteristics and outcomes of children with COVID-19 infection admitted to the pediatric intensive care unit (PICU). Results The study included 27 children with COVID-19 infection. Fever, respiratory, and gastrointestinal (GIT) symptoms were predominant presenting symptoms in our patients. The median age of our patients was 9 months (2 m-12 years). Comorbidity was reported in 59.3%. The typical laboratory findings were leukocytosis, lymphopenia, elevated C-reactive proteins levels, and elevated d-dimer levels. The most frequent radiological findings were ground-glass opacities in 100% of patients and bilateral findings in 96%, while cardiomegaly was found in 44% of patients. The multisystem inflammatory syndrome was reported in 33% of patients with GIT symptoms were the most frequent presenting symptoms. Myocarditis was reported in 22% of patients. The mortality rate in this cohort was 14.8%. On multivariate analysis, the only predictor of mortality was the development of MIS-C. Conclusions COVID-19 is more severe in children with comorbid conditions. Fever, respiratory and gastrointestinal (GIT) symptoms were predominant presenting symptoms. MIS-C is of increasing concern in children with high mortality rates. Supplementary Information The online version contains supplementary material available at 10.1186/s43088-021-00168-x.
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Affiliation(s)
- Heba Mostafa Ahmed
- Department of Pediatrics, Faculty of Medicine, Beni-Suef University, Beni Suef, Egypt
| | | | - Faten Mohamed Ali
- Department of Radiodiagnosis, Faculty of Medicine, Beni-Suef University, Beni Suef, Egypt
| | - Ahmed Reda Sayed
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Beni-Suef University, Beni Suef, Egypt
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182
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Filipe HAL, Fiuza SM, Henriques CA, Antunes FE. Antiviral and antibacterial activity of hand sanitizer and surface disinfectant formulations. Int J Pharm 2021; 609:121139. [PMID: 34592397 DOI: 10.1016/j.ijpharm.2021.121139] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 09/13/2021] [Accepted: 09/24/2021] [Indexed: 01/04/2023]
Abstract
Emergent diseases caused by viral and bacterial infections have proven to be a current and future challenge. The occurrence of these diseases is usually accompanied by the lack of vaccines and dedicated therapies leaving prevention as the best strategy to adopt. In that context, and apart from confinement and physical distancing measures, an increase in hygiene actions, namely hand and surface cleaning and disinfection can reduce the infection spread originated from our day-to-day routines. However, during crisis situations the high disinfectants demand can very likely lead to having them running out of stock. This impels many individuals and companies to produce their own disinfectants. Here, we explore the main components of a disinfection formulation, both for hand-rub and surface cleaning. Alcohol and non-alcohol based formulations are described, including the possibility to fine tune the properties of the final product in order to increase public acceptance while maintaining product efficacy. The action mechanisms of the main active principles are also described conjugating information from experimental and theoretical data. Overall, the main aspects to develop a disinfectant formulation are addressed, as well as their function, helping formulation developers to better understand the impact of their choices.
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Affiliation(s)
- Hugo A L Filipe
- Coimbra Chemistry Centre, Dept. of Chemistry, University of Coimbra, Rua Larga, 3004-535, Coimbra, Portugal; CPIRN-IPG-Center of Potential and Innovation of Natural Resources, Polytechnic Institute of Guarda, 6300-559 Guarda, Portugal.
| | - Sónia M Fiuza
- Science351, IPN (Edifício C) Rua Pedro Nunes, 3030-199 Coimbra, Portugal
| | - César A Henriques
- EcoXperience, HIESE, Quinta Vale do Espinhal, 3230-343 Penela, Portugal
| | - Filipe E Antunes
- Coimbra Chemistry Centre, Dept. of Chemistry, University of Coimbra, Rua Larga, 3004-535, Coimbra, Portugal
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183
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Bimonte S, Forte CA, Cuomo M, Esposito G, Cascella M, Cuomo A. An Overview on the Potential Roles of EGCG in the Treatment of COVID-19 Infection. Drug Des Devel Ther 2021; 15:4447-4454. [PMID: 34737551 PMCID: PMC8560077 DOI: 10.2147/dddt.s314666] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 08/05/2021] [Indexed: 01/18/2023] Open
Abstract
Coronavirus disease-19 (COVID-19) pandemic is currently ongoing worldwide and causes a lot of deaths in many countries. Although different vaccines for the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection have been developed and are now available, there are no effective antiviral drugs to treat the disease, except for Remdesivir authorized by the US FDA to counteract the emergency. Thus, it can be useful to find alternative therapies based on the employment of natural compounds, with antiviral features, to circumvent SARS-CoV-2 infection. Pre-clinical studies highlighted the antiviral activities of epigallocatechin-3-gallate (EGCG), a catechin primarily found in green tea, against various viruses, including SARS-CoV-2. In this review, we summarize this experimental evidence and highlight the potential use of EGCG as an alternative therapeutic choice for the treatment of SARS-CoV-2 infection.
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Affiliation(s)
- Sabrina Bimonte
- Division of Anesthesia and Pain Medicine, Istituto Nazionale Tumori - IRCCS - Fondazione G. Pascale, Naples, Italy
| | - Cira Antonietta Forte
- Division of Anesthesia and Pain Medicine, Istituto Nazionale Tumori - IRCCS - Fondazione G. Pascale, Naples, Italy
| | - Massimiliano Cuomo
- S.C. Project Management e Formazione, Istituto Nazionale Tumori - IRCCS - Fondazione G. Pascale, Naples, Italy
| | - Gennaro Esposito
- Division of Anesthesia and Pain Medicine, Istituto Nazionale Tumori - IRCCS - Fondazione G. Pascale, Naples, Italy
| | - Marco Cascella
- Division of Anesthesia and Pain Medicine, Istituto Nazionale Tumori - IRCCS - Fondazione G. Pascale, Naples, Italy
| | - Arturo Cuomo
- Division of Anesthesia and Pain Medicine, Istituto Nazionale Tumori - IRCCS - Fondazione G. Pascale, Naples, Italy
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184
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Piontkivska H, Wales-McGrath B, Miyamoto M, Wayne ML. ADAR Editing in Viruses: An Evolutionary Force to Reckon with. Genome Biol Evol 2021; 13:evab240. [PMID: 34694399 PMCID: PMC8586724 DOI: 10.1093/gbe/evab240] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2021] [Indexed: 02/06/2023] Open
Abstract
Adenosine Deaminases that Act on RNA (ADARs) are RNA editing enzymes that play a dynamic and nuanced role in regulating transcriptome and proteome diversity. This editing can be highly selective, affecting a specific site within a transcript, or nonselective, resulting in hyperediting. ADAR editing is important for regulating neural functions and autoimmunity, and has a key role in the innate immune response to viral infections, where editing can have a range of pro- or antiviral effects and can contribute to viral evolution. Here we examine the role of ADAR editing across a broad range of viral groups. We propose that the effect of ADAR editing on viral replication, whether pro- or antiviral, is better viewed as an axis rather than a binary, and that the specific position of a given virus on this axis is highly dependent on virus- and host-specific factors, and can change over the course of infection. However, more research needs to be devoted to understanding these dynamic factors and how they affect virus-ADAR interactions and viral evolution. Another area that warrants significant attention is the effect of virus-ADAR interactions on host-ADAR interactions, particularly in light of the crucial role of ADAR in regulating neural functions. Answering these questions will be essential to developing our understanding of the relationship between ADAR editing and viral infection. In turn, this will further our understanding of the effects of viruses such as SARS-CoV-2, as well as many others, and thereby influence our approach to treating these deadly diseases.
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Affiliation(s)
- Helen Piontkivska
- Department of Biological Sciences, Kent State University, Ohio, USA
- School of Biomedical Sciences, Kent State University, Ohio, USA
- Brain Health Research Institute, Kent State University, Ohio, USA
| | | | - Michael Miyamoto
- Department of Biology, University of Florida, Gainesville, Florida, USA
| | - Marta L Wayne
- Department of Biology, University of Florida, Gainesville, Florida, USA
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185
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Amoo OS, Adewara F, Tijani B, Onuigbo TI, Ikemefuna AS, Oraegbu JI, Rizvi T, Okwuraiwe A, Onwuamah C, Shaibu J, James A, Ohihoin G, Ige F, Kareithi D, David A, Karera S, Agboola H, Adeniyi A, Obi J, Achanya D, Odewale E, Oforomeh O, Liboro G, Nwogbe O, Ezechi O, Adegbola R, Audu R, Salako B. The use of DIY (Do it yourself) sampling and telemonitoring model for COVID-19 qPCR testing scale up. PLoS One 2021; 16:e0259398. [PMID: 34735503 PMCID: PMC8568151 DOI: 10.1371/journal.pone.0259398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 10/18/2021] [Indexed: 11/24/2022] Open
Abstract
The first case of COVID-19 in Nigeria was recorded on February 27, 2020, being an imported case by an Italian expatriate, to the country. Since then, there has been steady increase in the number of cases. However, the number of cases in Nigeria is low in comparison to cases reported by other countries with similar large populations, despite the poor health system prevailing in the country. This has been mainly attributed to the low testing capacity in Nigeria among other factors. Therefore, there is a need for innovative ways to increase the number of persons testing for COVID-19. The aim of the study was to pilot a nasopharyngeal swab self-sample collection model that would help increase COVID-19 testing while ensuring minimal person-to-person contact being experienced at the testing center. 216 participants took part in this study which was carried out at the Nigerian Institute of Medical Research between June and July 2020. Amongst the 216 participants, 174 tested negatives for both self-collected samples and samples collected by Professionals, 30 tested positive for both arms, with discrepancies occurring in 6 samples where the self-collected samples were positive while the ones collected by the professionals were negative. The same occurred in another set of 6 samples with the self-collected samples being negative and the professional-collected sample coming out positive, with a sensitivity of 83.3% and a specificity of 96.7%. The results of the interrater analysis are Kappa = 0.800 (95% CI, 0.690 to 0.910) which implies an outstanding agreement between the two COVID-19 sampling methods. Furthermore, since p< 0.001 Kappa (k) coefficient is statistically different from zero, our findings have shown that self-collected samples can be reliable in the diagnosis of COVID-19.
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Affiliation(s)
- Olufemi Samuel Amoo
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | | | | | | | | | - Joy Isioma Oraegbu
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Tazeen Rizvi
- Mobihealth International Limited, Abuja, Nigeria
| | - Azuka Okwuraiwe
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Chika Onwuamah
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Joseph Shaibu
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Ayorinde James
- Department of Biochemistry, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Greg Ohihoin
- Clinical Science Department, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Fehintola Ige
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | | | - Agatha David
- Clinical Science Department, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | | | - Hammed Agboola
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Anthony Adeniyi
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Josephine Obi
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Dominic Achanya
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Ebenezer Odewale
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Osaga Oforomeh
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Gideon Liboro
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Olayemi Nwogbe
- Department of Library and Information Technology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Oliver Ezechi
- Clinical Science Department, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Richard Adegbola
- Department of Biochemistry, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Rosemary Audu
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Babatunde Salako
- Department of Microbiology, Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
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186
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Patel VK, Shirbhate E, Patel P, Veerasamy R, Sharma PC, Rajak H. Corticosteroids for treatment of COVID-19: effect, evidence, expectation and extent. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2021; 10:78. [PMID: 34751250 PMCID: PMC8567120 DOI: 10.1186/s43088-021-00165-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 10/18/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The World Health Organization (WHO) announced the COVID-19 occurrence as a global pandemic in March 2020. The treatment of SARS-CoV-2 patients is based on the experience gained from SARS-CoV and MERS-CoV infection during 2003. There is no clinically accepted therapeutic drug(s) accessible yet for the treatment of COVID-19. MAIN BODY Corticosteroids, i.e., dexamethasone, methylprednisolone, hydrocortisone and prednisone are used alone or in combination for the treatment of moderate, severe and critically infected COVID-19 patients who are hospitalized and require supplemental oxygen as per current management strategies and guidelines for COVID-19 published by the National Institutes of Health. Corticosteroids are recorded in the WHO model list of essential medicines and are easily accessible worldwide at a cheaper cost in multiple formulations and various dosage forms. Corticosteroid can be used in all age group of patients, i.e., children, adult, elderly and during pregnancy or breastfeeding women. Corticosteroids have potent anti-inflammatory and immunosuppressive effects in both primary and secondary immune cells, thereby reducing the generation of proinflammatory cytokines and chemokines and lowering the activation of T cells, monocytes and macrophages. The corticosteroids should not be used in the treatment of non-severe COVID-19 patients because corticosteroids suppress the immune response and reduce the symptoms and associated side effects such as slow recovery, bacterial infections, hypokalemia, mucormycosis and finally increase the chances of death. CONCLUSION Intensive research on corticosteroid therapy in COVID-19 treatment is urgently needed to elucidate their mechanisms and importance in contributing toward successful prevention and treatment approaches. Hence, this review emphasizes on recent advancement on corticosteroid therapy for defining their importance in overcoming SARS-CoV-2 pandemic, their mechanism, efficacy and extent of corticosteroids in the treatment of COVID-19 patients.
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Affiliation(s)
- Vijay K. Patel
- Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur, C.G. 495 009 India
| | - Ekta Shirbhate
- Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur, C.G. 495 009 India
| | - Preeti Patel
- Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur, C.G. 495 009 India
| | - Ravichandran Veerasamy
- Faculty of Pharmacy, AIMST University, 08100 Semeling, Bedong, Kedah Darul Aman Malaysia
| | - Prabodh C. Sharma
- Department of Pharmaceutical Chemistry, Delhi Pharmaceutical Sciences and Research University, MB Road, Pushp Vihar, New Delhi, 110 017 India
| | - Harish Rajak
- Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur, C.G. 495 009 India
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187
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Ishay Y, Potruch A, Schwartz A, Berg M, Jamil K, Agus S, Ilan Y. A digital health platform for assisting the diagnosis and monitoring of COVID-19 progression: An adjuvant approach for augmenting the antiviral response and mitigating the immune-mediated target organ damage. Biomed Pharmacother 2021; 143:112228. [PMID: 34649354 PMCID: PMC8455249 DOI: 10.1016/j.biopha.2021.112228] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 09/17/2021] [Accepted: 09/18/2021] [Indexed: 01/08/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19), which is a respiratory illness associated with high mortality, has been classified as a pandemic. The major obstacles for the clinicians to contain the disease are limited information availability, difficulty in disease diagnosis, predicting disease prognosis, and lack of disease monitoring tools. Additionally, the lack of valid therapies has further contributed to the difficulties in containing the pandemic. Recent studies have reported that the dysregulation of the immune system leads to an ineffective antiviral response and promotes pathological immune response, which manifests as ARDS, myocarditis, and hepatitis. In this study, a novel platform has been described for disseminating information to physicians for the diagnosis and monitoring of patients with COVID-19. An adjuvant approach using compounds that can potentiate antiviral immune response and mitigate COVID-19-induced immune-mediated target organ damage has been presented. A prolonged beneficial effect is achieved by implementing algorithm-based individualized variability measures in the treatment regimen.
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Affiliation(s)
- Yuval Ishay
- Department of Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel.
| | - Assaf Potruch
- Department of Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel.
| | - Asaf Schwartz
- Department of Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel.
| | - Marc Berg
- Altus Care powered by Oberon Sciences, Denmark, Israel; Department of Pediatrics, Lucile Packard Children's Hospital, Stanford, USA.
| | - Khurram Jamil
- Altus Care powered by Oberon Sciences, Denmark, Israel.
| | - Samuel Agus
- Altus Care powered by Oberon Sciences, Denmark, Israel.
| | - Yaron Ilan
- Department of Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel.
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188
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Affiliation(s)
- Omid Arasteh
- Department of Clinical PharmacyFaculty of PharmacyMashhad University of Medical SciencesMashhadIran
| | - Hossein Khalili
- Department of Clinical PharmacyFaculty of PharmacyTehran University of Medical SciencesTehranIran
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189
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Dound YA, Sehgal R. Preclinical Efficacy and Safety Studies of Formulation SSV-003, a Potent Anti-Viral Herbal Formulation. J Exp Pharmacol 2021; 13:913-921. [PMID: 34712064 PMCID: PMC8548056 DOI: 10.2147/jep.s310452] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 08/21/2021] [Indexed: 01/03/2023] Open
Abstract
Background Recent viral pandemics have challenged the global scientific community to immediately develop new therapies. The fastest approach to develop these is to explore natural products for their efficacies and repurposing of already approved molecules. Keeping global emergency in view, researchers at Shreepad Shree Vallabh SSV Phytopharmaceuticals developed the CurvicTM (SSV-003) formulation, comprising of curcumin, vitamin C, vitamin K2-7, selenomethionine and Zinc. Methods Researchers have systematically studied the SSV-003 formulation for its in vitro efficacy against influenza A virus (H1N1) (ATCC® VR-219™) and human beta coronavirus (ATCC® VR1558™) using MDCK & HCT-8 cell lines, respectively, in vivo efficacy studies of SSV-003 on influenza A virus infected Balb/c mice, and acute toxicity studies as per OECD guidelines. Results Formulation SSV-003 showed potent antiviral activities against both the selected virus strains. Its IC50 was significantly lessthan ribavirin against influenza A-H1N1-VR219, with no cytopathic effect. SSV-003 showed IC50 of 2.26 µg/mL against human beta coronavirus, which was near to the IC50 of ribavirin (2.25 µg/mL) and was less than remedisivir (6.23 µg/mL) with no cytopathic effect. In-vivo studies in an influenza A virus infected mice model showed a significantly higher TCID50 value in the infected control group as compared to test groups. Animals treated with SSV-003 showed a dose dependent decrease in TCID50. Formulation SSV-003 at the dose of 500, 1,000, and 1,500 mg/kg body weight showed 85.9%, 94.6%, and 95.1% decreases in infection as compared to the infected control group. Dose-dependent significant increases in CD4+, CD8+ counts, IgG and IgM levels were observed in SSV-003 treated groups as compared to the infected control group and remedisivir treated group. In the acute oral toxicity study, no mortality or morbidity was observed. Conclusion The data from these preclinical studies provide strong evidence of potent and safe antiviral and immunomodulatory activity of SSV-003.
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Affiliation(s)
- Yogesh Arun Dound
- Research and Development, Shreepad Shree Vallabh SSV Phytopharmaceuticals, Mumbai, Maharashtra, India
| | - Rajesh Sehgal
- Research and Development, Pharma Instinct Pvt. Ltd, Noida, Uttar Pradesh, India
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190
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Ftouh M, Kalboussi N, Abid N, Sfar S, Mignet N, Bahloul B. Contribution of Nanotechnologies to Vaccine Development and Drug Delivery against Respiratory Viruses. PPAR Res 2021; 2021:6741290. [PMID: 34721558 PMCID: PMC8550859 DOI: 10.1155/2021/6741290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/08/2021] [Indexed: 12/12/2022] Open
Abstract
According to the Center for Disease Control and Prevention (CDC), the coronavirus disease 2019, a respiratory viral illness linked to significant morbidity, mortality, production loss, and severe economic depression, was the third-largest cause of death in 2020. Respiratory viruses such as influenza, respiratory syncytial virus, SARS-CoV-2, and adenovirus, are among the most common causes of respiratory illness in humans, spreading as pandemics or epidemics throughout all continents. Nanotechnologies are particles in the nanometer range made from various compositions. They can be lipid-based, polymer-based, protein-based, or inorganic in nature, but they are all bioinspired and virus-like. In this review, we aimed to present a short review of the different nanoparticles currently studied, in particular those which led to publications in the field of respiratory viruses. We evaluated those which could be beneficial for respiratory disease-based viruses; those which already have contributed, such as lipid nanoparticles in the context of COVID-19; and those which will contribute in the future either as vaccines or antiviral drug delivery systems. We present a short assessment based on a critical selection of evidence indicating nanotechnology's promise in the prevention and treatment of respiratory infections.
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Affiliation(s)
- Mahdi Ftouh
- Drug Development Laboratory LR12ES09, Faculty of Pharmacy, University of Monastir, Tunisia
| | - Nesrine Kalboussi
- Drug Development Laboratory LR12ES09, Faculty of Pharmacy, University of Monastir, Tunisia
- Sahloul University Hospital, Pharmacy Department, Sousse, Tunisia
| | - Nabil Abid
- Department of Biotechnology, High Institute of Biotechnology of Sidi Thabet, University of Manouba, BP-66, 2020 Ariana, Tunis, Tunisia
- Laboratory of Transmissible Diseases and Biological Active Substances LR99ES27, Faculty of Pharmacy, University of Monastir, Rue Ibn Sina, 5000 Monastir, Tunisia
| | - Souad Sfar
- Drug Development Laboratory LR12ES09, Faculty of Pharmacy, University of Monastir, Tunisia
| | - Nathalie Mignet
- University of Paris, INSERM, CNRS, UTCBS, Faculté de Pharmacie, 4 avenue de l'Observatoire, 75006 Paris, France
| | - Badr Bahloul
- Drug Development Laboratory LR12ES09, Faculty of Pharmacy, University of Monastir, Tunisia
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191
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Strong Association of Angiotensin Converting Enzyme-2 Gene Insertion/Deletion Polymorphism with Susceptibility to SARS-CoV-2, Hypertension, Coronary Artery Disease and COVID-19 Disease Mortality. J Pers Med 2021; 11:jpm11111098. [PMID: 34834450 PMCID: PMC8621157 DOI: 10.3390/jpm11111098] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 10/11/2021] [Accepted: 10/22/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND The ongoing outbreak of SARS-CoV-2 represents a significant challenge to international health. Several reports have highlighted the importance of ACE2 on the pathogenesis of COVID-19. The spike protein of SARS-CoV-2 efficiently binds to the angiotensin-converting enzyme 2 (ACE2) receptors and facilitates virus entry into the host cell. In the present study, we hypothesize that a functional insertion/deletion polymorphism-rs4646994 I/D and rs4240157 T > C in the ACE gene could be associated with SARS-CoV-2 infection and mortality. METHODOLOGY This study included 117 consecutive COVID-19 patients and 150 age matched healthy controls (ACE2-rs4646994 I/D) and 100 age matched healthy controls with ACE2 rs4240157 T > C. We used Mutation specific PCR (MSP) for ACE2-rs4646994 I/D genotyping and amplification refractory mutation system (ARMS-PCR) for ACE2 rs4240157 T > C genotyping. RESULTS Results indicated that there were significant differences in the genotype distributions of ACE2-rs4646994 I/D polymorphisms (p < 0.030) and ACE2 rs4240157 T > C between COVID-19 patients and controls (p-values < 0.05). Higher frequency of DD genotype (48.71%) and D allele (0.67) was reported in COVID-19 patients than controls. Our results showed that the ACE2-DD genotype was strongly associated with increased COVID-19 severity (OR 2.37 (95%) CI = (1.19-4.70), RR = 1.39 (1.09-1.77), p < 0.013) and also a strong association was seen with ACE2-ID genotype with COVID-19 severity (OR 2.20 (95%) CI = (1.08-4.46), p < 0.020) in the codominant model. In allelic comparison, the D allele was strongly associated with COVID-19 severity (OR 1.58 (95% CI) (1.11-2.27), RR 1.21 (1.05-1.41) p < 0.010). A significant correlation of ACE2-I/D genotypes was reported with Age (p < 0.035), T2D (p < 0.0013), hypertension (p < 0.0031) and coronary artery disease (p < 0.0001). Our results indicated ACE2-DD genotype was strongly associated with increased COVID-19 mortality (OR 8.25 (95%) CI = (2.40 to 28.34), p < 0.008) and also ACE2-DD + DI genotype was strongly associated with increased COVID-19 mortality with OR 4.74 (95%) CI = (1.5214 to 14.7915), p < 0.007. A significant correlation was reported between COVID-19 patients and age matched controls (p < 0.0007). Higher frequency of heterozygosity TC (40%) followed by ACE2-CC genotype (24.78%) was reported among COVID-19 patients. Using multivariate analysis, ACE2-CT genotype was strong associated with SARS-CoV-2 severity with an OR 2.18 (95% CI) (1.92-3.99), p < 0.010 and also ACE2-CC genotype was linked with COVID-19 severity with an OR 2.66 (95% CI) (1.53-4.62), p < 0.005. A significant correlation of ACE2-T > C genotypes was reported with gender (p < 0.04), T2D (p < 0.035). ACE2-CC genotype was strongly associated with increased COVID-19 mortality OR 3.66 (95%) CI = (1.34 to 9.97), p < 0.011 and also ACE2-C allele was associated with COVID-19 mortality OR 2, 01 (1.1761-3.45), p < 0.010. CONCLUSIONS It is concluded that ACE-DD genotype and D allele was strongly associated with increased COVID-19 patient severity. In addition, ACE I/D polymorphism were strongly associated with advanced age, diabetes and ischemic heart disease in COVID-19 patients whereas ACE-II genotype was a protective factor against the development of severe COVID-19. ACE2-DD genotype was strongly associated with increased COVID-19 mortality. Additionally, ACE2-CC and CT genotypes were strongly associated with COVID-19 severity. Therefore, our study might be useful for identifying the susceptible population groups for targeted interventions and for making relevant public health policy decisions.
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192
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Guaman-Bautista LP, Moreta-Urbano E, Oña-Arias CG, Torres-Arias M, Kyriakidis NC, Malcı K, Jonguitud-Borrego N, Rios-Solis L, Ramos-Martinez E, López-Cortés A, Barba-Ostria C. Tracking SARS-CoV-2: Novel Trends and Diagnostic Strategies. Diagnostics (Basel) 2021; 11:1981. [PMID: 34829328 PMCID: PMC8621220 DOI: 10.3390/diagnostics11111981] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/18/2021] [Accepted: 09/23/2021] [Indexed: 12/26/2022] Open
Abstract
The COVID-19 pandemic has had an enormous impact on economies and health systems globally, therefore a top priority is the development of increasingly better diagnostic and surveillance alternatives to slow down the spread of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In order to establish massive testing and contact tracing policies, it is crucial to have a clear view of the diagnostic options available and their principal advantages and drawbacks. Although classical molecular methods such as RT-qPCR are broadly used, diagnostic alternatives based on technologies such as LAMP, antigen, serological testing, or the application of novel technologies such as CRISPR-Cas for diagnostics, are also discussed. The present review also discusses the most important automation strategies employed to increase testing capability. Several serological-based diagnostic kits are presented, as well as novel nanotechnology-based diagnostic methods. In summary, this review provides a clear diagnostic landscape of the most relevant tools to track COVID-19.
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Affiliation(s)
- Linda P. Guaman-Bautista
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170147, Ecuador; (L.P.G.-B.); (E.M.-U.); (C.G.O.-A.)
| | - Erick Moreta-Urbano
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170147, Ecuador; (L.P.G.-B.); (E.M.-U.); (C.G.O.-A.)
| | - Claudia G. Oña-Arias
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170147, Ecuador; (L.P.G.-B.); (E.M.-U.); (C.G.O.-A.)
| | - Marbel Torres-Arias
- Immunology and Virology Laboratory, Department of Life Science and Agriculture, Universidad de las Fuerzas Armadas, Quito 171103, Ecuador;
| | - Nikolaos C. Kyriakidis
- Grupo de Investigación en Biotecnología Aplicada a Biomedicina (BIOMED), Universidad de Las Américas, Quito 170125, Ecuador;
- One Health Research Group, Faculty of Medicine, Universidad de Las Américas (UDLA), Quito 170125, Ecuador
| | - Koray Malcı
- Institute for Bioengineering, School of Engineering, University of Edinburgh, Edinburgh EH8 9LE, UK; (K.M.); (N.J.-B.); (L.R.-S.)
- Centre for Synthetic and Systems Biology (SynthSys), University of Edinburgh, Edinburgh EH8 9LE, UK
| | - Nestor Jonguitud-Borrego
- Institute for Bioengineering, School of Engineering, University of Edinburgh, Edinburgh EH8 9LE, UK; (K.M.); (N.J.-B.); (L.R.-S.)
- Centre for Synthetic and Systems Biology (SynthSys), University of Edinburgh, Edinburgh EH8 9LE, UK
| | - Leonardo Rios-Solis
- Institute for Bioengineering, School of Engineering, University of Edinburgh, Edinburgh EH8 9LE, UK; (K.M.); (N.J.-B.); (L.R.-S.)
- Centre for Synthetic and Systems Biology (SynthSys), University of Edinburgh, Edinburgh EH8 9LE, UK
| | - Espiridion Ramos-Martinez
- Experimental Medicine Research Unit, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City 4510, Mexico;
| | - Andrés López-Cortés
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170147, Ecuador;
| | - Carlos Barba-Ostria
- Escuela de Medicina, Colegio de Ciencias de la Salud Quito, Universidad San Francisco de Quito USFQ, Quito 170901, Ecuador
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193
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Zhugunissov K, Zakarya K, Khairullin B, Orynbayev M, Abduraimov Y, Kassenov M, Sultankulova K, Kerimbayev A, Nurabayev S, Myrzakhmetova B, Nakhanov A, Nurpeisova A, Chervyakova O, Assanzhanova N, Burashev Y, Mambetaliyev M, Azanbekova M, Kopeyev S, Kozhabergenov N, Issabek A, Tuyskanova M, Kutumbetov L. Development of the Inactivated QazCovid-in Vaccine: Protective Efficacy of the Vaccine in Syrian Hamsters. Front Microbiol 2021; 12:720437. [PMID: 34646246 PMCID: PMC8503606 DOI: 10.3389/fmicb.2021.720437] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/30/2021] [Indexed: 11/13/2022] Open
Abstract
In March 2020, the first cases of the human coronavirus disease COVID-19 were registered in Kazakhstan. We isolated the SARS-CoV-2 virus from clinical materials from some of these patients. Subsequently, a whole virion inactivated candidate vaccine, QazCovid-in, was developed based on this virus. To develop the vaccine, a virus grown in Vero cell culture was used, which was inactivated with formaldehyde, purified, concentrated, sterilized by filtration, and then adsorbed on aluminum hydroxide gel particles. The formula virus and adjuvant in buffer saline solution were used as the vaccine. The safety and protective effectiveness of the developed vaccine were studied in Syrian hamsters. The results of the studies showed the absolute safety of the candidate vaccine in the Syrian hamsters. When studying the protective effectiveness, the developed vaccine with an immunizing dose of 5 μg/dose specific antigen protected animals from a wild homologous virus at a dose of 104.5 TCID50/mL. The candidate vaccine induced the formation of virus-neutralizing antibodies in vaccinated hamsters at titers of 3.3 ± 1.45 log2 to 7.25 ± 0.78 log2, and these antibodies were retained for 6 months (observation period) for the indicated titers. No viral replication was detected in vaccinated hamsters, protected against the development of acute pneumonia, and ensured 100% survival of the animals. Further, no replicative virus was isolated from the lungs of vaccinated animals. However, a virulent virus was isolated from the lungs of unvaccinated animals at relatively high titers, reaching 4.5 ± 0.7 log TCID50/mL. After challenge infection, 100% of unvaccinated hamsters showed clinical symptoms (stress state, passivity, tousled coat, decreased body temperature, and body weight, and the development of acute pneumonia), with 25 ± 5% dying. These findings pave the way for testing the candidate vaccine in clinical human trials.
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Affiliation(s)
| | - Kunsulu Zakarya
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Berik Khairullin
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Mukhit Orynbayev
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Yergali Abduraimov
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Markhabat Kassenov
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | | | - Aslan Kerimbayev
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Sergazy Nurabayev
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | | | - Aziz Nakhanov
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Ainur Nurpeisova
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Olga Chervyakova
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | | | - Yerbol Burashev
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | | | - Moldir Azanbekova
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Syrym Kopeyev
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | | | - Aisha Issabek
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Moldir Tuyskanova
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Lespek Kutumbetov
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
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Parrish K, Kirkland PD, Skerratt LF, Ariel E. Nidoviruses in Reptiles: A Review. Front Vet Sci 2021; 8:733404. [PMID: 34621811 PMCID: PMC8490724 DOI: 10.3389/fvets.2021.733404] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 08/19/2021] [Indexed: 12/17/2022] Open
Abstract
Since their discovery in 2014, reptile nidoviruses (also known as serpentoviruses) have emerged as significant pathogens worldwide. They are known for causing severe and often fatal respiratory disease in various captive snake species, especially pythons. Related viruses have been detected in other reptiles with and without respiratory disease, including captive and wild populations of lizards, and wild populations of freshwater turtles. There are many opportunities to better understand the viral diversity, species susceptibility, and clinical presentation in different species in this relatively new field of research. In captive snake collections, reptile nidoviruses can spread quickly and be associated with high morbidity and mortality, yet the potential disease risk to wild reptile populations remains largely unknown, despite reptile species declining on a global scale. Experimental studies or investigations of disease outbreaks in wild reptile populations are scarce, leaving the available literature limited mostly to exploring findings of naturally infected animals in captivity. Further studies into the pathogenesis of different reptile nidoviruses in a variety of reptile species is required to explore the complexity of disease and routes of transmission. This review focuses on the biology of these viruses, hosts and geographic distribution, clinical signs and pathology, laboratory diagnosis and management of reptile nidovirus infections to better understand nidovirus infections in reptiles.
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Affiliation(s)
- Kate Parrish
- Virology Laboratory, Elizabeth Macarthur Agricultural Institute, New South Wales (NSW) Department of Primary Industries, Menangle, NSW, Australia.,College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD, Australia
| | - Peter D Kirkland
- Virology Laboratory, Elizabeth Macarthur Agricultural Institute, New South Wales (NSW) Department of Primary Industries, Menangle, NSW, Australia.,College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD, Australia
| | - Lee F Skerratt
- Faculty of Veterinary and Agricultural Sciences, Melbourne Veterinary School, University of Melbourne, Melbourne, VIC, Australia
| | - Ellen Ariel
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD, Australia
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195
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Puray-Chavez M, Lee N, Tenneti K, Wang Y, Vuong HR, Liu Y, Horani A, Huang T, Gunsten SP, Case JB, Yang W, Diamond MS, Brody SL, Dougherty J, Kutluay SB. The translational landscape of SARS-CoV-2 and infected cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2021:2020.11.03.367516. [PMID: 33173862 PMCID: PMC7654850 DOI: 10.1101/2020.11.03.367516] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
SARS-CoV-2 utilizes a number of strategies to modulate viral and host mRNA translation. Here, we used ribosome profiling in SARS-CoV-2 infected model cell lines and primary airway cells grown at the air-liquid interface to gain a deeper understanding of the translationally regulated events in response to virus replication. We find that SARS-CoV-2 mRNAs dominate the cellular mRNA pool but are not more efficiently translated than cellular mRNAs. SARS-CoV-2 utilized a highly efficient ribosomal frameshifting strategy in comparison to HIV-1, suggesting utilization of distinct structural elements. In the highly permissive cell models, although SARS-CoV-2 infection induced the transcriptional upregulation of numerous chemokines, cytokines and interferon stimulated genes, many of these mRNAs were not translated efficiently. Impact of SARS-CoV-2 on host mRNA translation was more subtle in primary cells, with marked transcriptional and translational upregulation of inflammatory and innate immune responses and downregulation of processes involved in ciliated cell function. Together, these data reveal the key role of mRNA translation in SARS-CoV-2 replication and highlight unique mechanisms for therapeutic development.
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Affiliation(s)
- Maritza Puray-Chavez
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Nakyung Lee
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Kasyap Tenneti
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Yiqing Wang
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Hung R Vuong
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Yating Liu
- Department of Genetics, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Amjad Horani
- Department of Pediatrics, Allergy, Immunology and Pulmonary Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Tao Huang
- Department of Medicine, Pulmonary and Critical Care Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Sean P Gunsten
- Department of Medicine, Pulmonary and Critical Care Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - James B Case
- Department of Medicine, Infectious Disease Division, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Wei Yang
- Department of Genetics, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Michael S Diamond
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
- Department of Medicine, Infectious Disease Division, Washington University School of Medicine, Saint Louis, MO 63110, USA
- Department of Pathology & Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Steven L Brody
- Department of Medicine, Pulmonary and Critical Care Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Joseph Dougherty
- Department of Genetics, Washington University School of Medicine, Saint Louis, MO 63110, USA
- Department of Psychiatry, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Sebla B Kutluay
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
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196
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Christofferson RC, O’Neal HR, Jagneaux T, O’Neal C, Walsh CS, Mayton EH, Vu LD, Fish AI, Phan A, Stoufflet TE, Schroeder JR, Walker M, Turner EA, Pierce C, Wester KS, DeLeo C, Tenreiro E, Ogden B, Cormier SA. Reduced turnaround times through multi-sectoral community collaboration during the first surge of SARS-CoV-2 and associated effect on patient care and hospital operations. PLoS One 2021; 16:e0257302. [PMID: 34618831 PMCID: PMC8496830 DOI: 10.1371/journal.pone.0257302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 08/29/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND In March 2020, an influx of admissions in COVID-19 positive patients threatened to overwhelm healthcare facilities in East Baton Rouge Parish, Louisiana. Exacerbating this problem was an overall shortage of diagnostic testing capability at that time, resulting in a delay in time-to-result return. An improvement in diagnostic testing availability and timeliness was necessary to improve the allocation of resources and ultimate throughput of patients. The management of a COVID-19 positive patient or patient under investigation requires infection control measures that can quickly consume personal protective equipment (PPE) stores and personnel available to treat these patients. Critical shortages of both PPE and personnel also negatively impact care in patients admitted with non-COVID-19 illnesses. METHODS A multisectoral partnership of healthcare providers, facilities and academicians created a molecular diagnostic lab within an academic research facility dedicated to testing inpatients and healthcare personnel for SARS-CoV-2. The purpose of the laboratory was to provide a temporary solution to the East Baton Rouge Parish healthcare community until individual facilities were self-sustaining in testing capabilities. We describe the partnership and the impacts of this endeavor by developing a model derived from a combination of data sources, including electronic health records, hospital operations, and state and local resources. FINDINGS Our model demonstrates two important principles: the impact of reduced turnaround times (TAT) on potential differences in inpatient population numbers for COVID-19 and savings in PPE attributed to the more rapid TAT.
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Affiliation(s)
- Rebecca C. Christofferson
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, United States of America
- Center for Computation and Technology, Louisiana State University, Baton Rouge, LA, United States of America
| | - Hollis R. O’Neal
- Louisiana State University Health Sciences Center, Baton Rouge, LA, United States of America
| | - Tonya Jagneaux
- Louisiana State University Health Sciences Center, Baton Rouge, LA, United States of America
| | - Catherine O’Neal
- Louisiana State University Health Sciences Center, Baton Rouge, LA, United States of America
| | - Christine S. Walsh
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, United States of America
| | - E. Handly Mayton
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, United States of America
| | - Luan D. Vu
- Pennington Biomedical Research Center, Baton Rouge, LA, United States of America
| | - Abigail I. Fish
- Environmental Health and Safety, Louisiana State University, Baton Rouge, LA, United States of America
| | - Anh Phan
- Pennington Biomedical Research Center, Baton Rouge, LA, United States of America
| | - Thaya E. Stoufflet
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, United States of America
| | - Jonathan R. Schroeder
- Our Lady of the Lake Regional Medical Center, Baton Rouge, LA, United States of America
| | - Morgan Walker
- Louisiana State University Health Sciences Center, Baton Rouge, LA, United States of America
| | - Erik A. Turner
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, United States of America
| | - Christi Pierce
- Our Lady of the Lake Regional Medical Center, Baton Rouge, LA, United States of America
| | - K. Scott Wester
- Our Lady of the Lake Regional Medical Center, Baton Rouge, LA, United States of America
| | - Connie DeLeo
- Baton Rouge General Hospital, Baton Rouge, LA, United States of America
| | - Edgardo Tenreiro
- Baton Rouge General Hospital, Baton Rouge, LA, United States of America
| | - Beverly Ogden
- Woman’s Hospital, Baton Rouge, LA, United States of America
| | - Stephania A. Cormier
- Pennington Biomedical Research Center, Baton Rouge, LA, United States of America
- College of Science, Louisiana State University, Baton Rouge, LA, United States of America
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197
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ALkharashi NA. The consumption of nutritional supplements and herbal products for the prevention and treatment of COVID-19 infection among the Saudi population in Riyadh. CLINICAL NUTRITION OPEN SCIENCE 2021; 39:11-20. [PMID: 34585172 PMCID: PMC8461002 DOI: 10.1016/j.nutos.2021.09.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 09/16/2021] [Indexed: 01/27/2023] Open
Abstract
OBJECTIVE This study aimed to assess the Saudi population's beliefs regarding the consumption of nutritional supplements and herbal products for the prevention and treatment of COVID-19 in Riyadh. METHODS A cross-sectional study that included 1460 participants aged between 12 and 86 years was conducted in Riyadh, Saudi Arabia, between October 01, 2020, and October 30, 2020, via an online survey using a questionnaire. The questionnaire was uploaded as a Google Doc file on Google Drive, and a link to the survey was distributed to respondents via social media platforms (Twitter, WhatsApp, and Instagram). The survey instrument included 30 questions, including sociodemographic characteristics and the use of nutritional supplements and herbal products. RESULTS The findings of our study revealed a significant increase in intake and the frequency of consumption of nutritional supplements and herbal products during the COVID-19 pandemic period than before the COVID-19 pandemic. Social media and the Internet (29.7%) and relatives or friends (14.7%) were the main motivators for the participants to try herbal products. The majority of the participants reported using zinc (72.9%), vitamin C (56.0%), garlic (Allium sativum) (53.8%), and cinnamon (52.0%) during the COVID-19 pandemic period. CONCLUSION In conclusion, the findings of our study demonstrated that the intake of nutritional supplements and herbal products increased among the general population in Saudi Arabia during the COVID-19 pandemic period to protect them from the disease. In addition, the intake of nutritional supplements and herbal products should be evidence-based to ensure patient safety.
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Affiliation(s)
- N A ALkharashi
- Food Sciences and Nutrition, Human Nutrition Major, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
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198
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Hussain MS, Sharma P, Dhanjal DS, Khurana N, Vyas M, Sharma N, Mehta M, Tambuwala MM, Satija S, Sohal SS, Oliver BGG, Sharma HS. Nanotechnology based advanced therapeutic strategies for targeting interleukins in chronic respiratory diseases. Chem Biol Interact 2021; 348:109637. [PMID: 34506765 DOI: 10.1016/j.cbi.2021.109637] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/22/2021] [Accepted: 09/06/2021] [Indexed: 02/07/2023]
Abstract
Both communicable and non-communicable chronic respiratory conditions have accorded for suffering of millions of people of all ages and stated to be leading cause of death, morbidity, economic and social pressures, and disability-adjusted life-years (DALYs) worldwide. These illnesses impair patient's health and negatively impacts families and society, particularly in low and middle-income countries. Chronic respiratory diseases (CRDs) affect different organs of respiratory system, involving airways, parenchyma, and pulmonary vasculature. As the number of respiratory diseases are exponentially escalating but still the stakeholders are not paying attention towards its serious complications. Currently, the treatment being used primarily focusses only on alleviating symptoms of these illness rather delivering the therapeutic agent at target site for optimal care and/or prevention. Lately, extensive research is being conducted on airways and systemic inflammation, oxidative stress, airway, or parenchymal rehabilitation. From which macrophages, neutrophils, and T cells, as well as structural cells as fibroblasts, epithelial, endothelial, and smooth muscle cells have been found to be active participants that are involved in these chronic respiratory diseases. The pathogenesis of all these chronic respiratory diseases gets caused differently via mediators and proteins, including cytokines, chemokines, growth factors and oxidants. Presently, the target of prescription therapies is to reduce the inflammation of airways and relieve the airway contraction. In all studies, cytokines have been found to play an imperative role in fostering chronic airway inflammation and remodelling. Owing to the limitations of conventional treatments, the current review aims to summarize the current knowledge about the chronic respiratory disease and discuss further about the various conventional methods that can be used for treating this ailment. Additionally, it also highlights and discusses about the advanced drug delivery system that are being used for targeting the interleukins for the treatment of CRDs.
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Affiliation(s)
- Md Sadique Hussain
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Parvarish Sharma
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Daljeet Singh Dhanjal
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Navneet Khurana
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Manish Vyas
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Neha Sharma
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Meenu Mehta
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Murtaza M Tambuwala
- School of Pharmacy and Pharmaceutical Sciences, Ulster University, Coleraine, Londonderry, BT52 1SA, United Kingdom
| | - Saurabh Satija
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
| | - Sukhwinder Singh Sohal
- Respiratory Translational Research Group, Department of Laboratory Medicine, School of Health Sciences, College of Health and Medicine, University of Tasmania, Launceston, 7248, Australia
| | - Brian G G Oliver
- School of Life Sciences, University of Technology Sydney, Sydney, NSW, 2007, Australia; Woolcock Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia
| | - Hari S Sharma
- Department of Pathology and Clinical Bioinformatics, Erasmus MC, University Medical Center, Dr. Molewaterplein 40, 3015 GD, Rotterdam, the Netherlands.
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199
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Bittar C, Possebon FS, Ullmann LS, Geraldini DB, da Costa VG, de Almeida LGP, da S. Sanches PR, Nascimento-Júnior NM, Cilli EM, Artico Banho C, Campos GRF, Ferreira HL, Sacchetto L, da Silva GCD, Parra MCP, Moraes MM, da Costa PI, Vasconcelos ATR, Spilki FR, Nogueira ML, Rahal P, Araujo Jr JP. The Emergence of the New P.4 Lineage of SARS-CoV-2 With Spike L452R Mutation in Brazil. Front Public Health 2021; 9:745310. [PMID: 34660520 PMCID: PMC8517261 DOI: 10.3389/fpubh.2021.745310] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 09/07/2021] [Indexed: 12/28/2022] Open
Abstract
The emergence of several SARS-CoV-2 lineages presenting adaptive mutations is a matter of concern worldwide due to their potential ability to increase transmission and/or evade the immune response. While performing epidemiological and genomic surveillance of SARS-CoV-2 in samples from Porto Ferreira-São Paulo-Brazil, we identified sequences classified by pangolin as B.1.1.28 harboring Spike L452R mutation, in the RBD region. Phylogenetic analysis revealed that these sequences grouped into a monophyletic branch, with others from Brazil, mainly from the state of São Paulo. The sequences had a set of 15 clade defining amino acid mutations, of which six were in the Spike protein. A new lineage was proposed to Pango and it was accepted and designated P.4. In samples from the city of Porto Ferreira, P.4 lineage has been increasing in frequency since it was first detected in March 2021, corresponding to 34.7% of the samples sequenced in June, the second in prevalence after P.1. Also, it is circulating in 30 cities from the state of São Paulo, and it was also detected in one sample from the state of Sergipe and two from the state of Rio de Janeiro. Further studies are needed to understand whether P.4 should be considered a new threat.
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Affiliation(s)
- Cíntia Bittar
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras e Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José do Rio Preto, Brazil
| | - Fábio Sossai Possebon
- Instituto de Biotecnologia, Universidade Estadual Paulista (Unesp), Botucatu, Brazil
| | - Leila Sabrina Ullmann
- Instituto de Biotecnologia, Universidade Estadual Paulista (Unesp), Botucatu, Brazil
| | - Dayla Bott Geraldini
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras e Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José do Rio Preto, Brazil
| | - Vivaldo G. da Costa
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras e Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José do Rio Preto, Brazil
| | - Luiz G. P. de Almeida
- Laboratório de Bioinformática, Laboratório Nacional de Computação Científica (LNCC), Petrópolis, Brazil
| | - Paulo Ricardo da S. Sanches
- Laboratório de Síntese e Estudos de Biomoléculas (LaSEBio), Departamento de Bioquímica e Química Orgânica, Instituto de Química, Universidade Estadual Paulista (Unesp), Araraquara, Brazil
| | - Nailton M. Nascimento-Júnior
- Laboratório de Química Medicinal, Síntese Orgânica e Modelagem Molecular (LaQMedSOMM), Departamento de Bioquímica e Química Orgânica, Instituto de Química, Universidade Estadual Paulista (Unesp), Araraquara, Brazil
| | - Eduardo M. Cilli
- Laboratório de Síntese e Estudos de Biomoléculas (LaSEBio), Departamento de Bioquímica e Química Orgânica, Instituto de Química, Universidade Estadual Paulista (Unesp), Araraquara, Brazil
| | - Cecília Artico Banho
- Laboratório de Pesquisas em Virologia (LPV), Departamento de Doenças Dermatológicas, Infecciosas e Parasitárias, Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
| | - Guilherme R. F. Campos
- Laboratório de Pesquisas em Virologia (LPV), Departamento de Doenças Dermatológicas, Infecciosas e Parasitárias, Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
| | - Helena Lage Ferreira
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos (FZEA), Universidade de São Paulo (USP), Pirassununga, Brazil
| | - Lívia Sacchetto
- Laboratório de Pesquisas em Virologia (LPV), Departamento de Doenças Dermatológicas, Infecciosas e Parasitárias, Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
| | - Gislaine C. D. da Silva
- Laboratório de Pesquisas em Virologia (LPV), Departamento de Doenças Dermatológicas, Infecciosas e Parasitárias, Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
| | - Maisa C. P. Parra
- Laboratório de Pesquisas em Virologia (LPV), Departamento de Doenças Dermatológicas, Infecciosas e Parasitárias, Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
| | - Marília M. Moraes
- Laboratório de Pesquisas em Virologia (LPV), Departamento de Doenças Dermatológicas, Infecciosas e Parasitárias, Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
| | - Paulo Inácio da Costa
- Departamento de Análises Clínicas, Faculdade de Ciências Farmacêuticas (FCFAR), Universidade Estadual Paulista (Unesp), Araraquara, Brazil
| | - Ana Tereza R. Vasconcelos
- Laboratório de Bioinformática, Laboratório Nacional de Computação Científica (LNCC), Petrópolis, Brazil
| | - Fernando Rosado Spilki
- Laboratório de Microbiologia Molecular, Instituto de Ciências da Saúde, Universidade Feevale, Novo Hamburgo, Brazil
| | - Maurício L. Nogueira
- Laboratório de Pesquisas em Virologia (LPV), Departamento de Doenças Dermatológicas, Infecciosas e Parasitárias, Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
| | - Paula Rahal
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras e Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José do Rio Preto, Brazil
| | - João Pessoa Araujo Jr
- Instituto de Biotecnologia, Universidade Estadual Paulista (Unesp), Botucatu, Brazil
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Mishra A, Choudhary M, Das TR, Saren P, Bhattacherjee P, Thakur N, Tripathi SK, Upadhaya S, Kim HS, Murugan NA, Tiwari A, Patra S, Hussain CM, Mishra A, Shukla SK, Joshi GM. Sustainable chemical preventive models in COVID-19: Understanding, innovation, adaptations, and impact. J INDIAN CHEM SOC 2021. [PMCID: PMC8442305 DOI: 10.1016/j.jics.2021.100164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
COVID-19 is considered as a major public health problem caused by the SARS CoV-2. This Viral infection is known to induce worldwide pandemic in short period of time. Emerging evidence suggested that the transmission control and drug therapy may influence the preventive measures extensively as the host surrounding environment and pathogenic mechanism may contribute to the pandemic condition earlier in COVID-19 disease. Although, several animals identified as reservoir to date, however human-to-human transmission is well documented. Human beings are sustaining the virus in the communities and act as an amplifier of the virus. Human activities i.e., living with the patient, touching patient waste etc. in the surrounding of active patients or asymptomatic persons cause significant risk factors for transmission. On the other hand, drug target and mechanism to destroy the virus or virus inhibition depends on diversified approaches of drugs and different target for virus life cycle. This article describes the sustainable chemical preventive models understanding, requirements, technology adaptation and the implementation strategies in these pandemic-like situations. As the outbreak progresses, healthcare models focused on transmission control through disinfections and sanitization based on risk calculations. Identification of the most suitable target of drugs and regional control model of transmission are of high priority. In the early stages of an outbreak, availability of epidemiological information is important to encourage preventive measures efforts by public health authorities and provide robust evidence to guide interventions. Here, we have discussed the level of adaptations in technology that research professionals display toward their public health preventive models. We should compile a representative data set of adaptations that humans can consider for transmission control and adopt for viruses and their hosts. Overall, there are many aspects of the chemical science and technology in virus preventive measures. Herein, the most recent advances in this context are discussed, and the possible reasons behind the sustainable preventive model are presented. This kind of sustainable preventive model having adaptation and implementation with green chemistry system will reduce the shedding of the virus into the community by eco-friendly methods, and thus the risk of transmission and infection progression can be mitigated.
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