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Wu YK, Jiang TT, Su YH, Mei L, Sun TK, Li YH, Wang ZD, Ji YY. The Potential Role of Virus Infection in the Progression of Thyroid Cancer. World J Oncol 2024; 15:382-393. [PMID: 38751704 PMCID: PMC11092407 DOI: 10.14740/wjon1830] [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: 01/29/2024] [Accepted: 03/16/2024] [Indexed: 05/18/2024] Open
Abstract
Multiple factors have engaged in the progression of thyroid cancer (TC). Recent studies have shown that viral infection can be a critical factor in the pathogenesis of TC. Viruses, such as Epstein-Barr virus (EBV), hepatitis C virus (HCV), human immunodeficiency virus (HIV), and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), may play an essential role in the occurrence, development, and even prognosis in TC. This review mainly explored the potential role of viral infection in the progress of TC. The possible mechanisms could be recognizing the host cell, binding to the receptors, affecting oncogenes levels, releasing viral products to shape a beneficial environment, interacting with immune cells to induce immune evasion, and altering the pituitary-thyroid axis. Thus, comprehensive knowledge may provide insights into finding molecular targets for diagnosing and treating virus-related TC.
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Affiliation(s)
- Yong Ke Wu
- Department of General Surgery, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, China
- The two authors contributed equally to this work
| | - Tian Tian Jiang
- Department of General Surgery, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, China
- The two authors contributed equally to this work
| | - Yuan Hao Su
- Department of General Surgery, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Lin Mei
- Scientific Research Center and Precision Medical Institute, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Ting Kai Sun
- Department of General Surgery, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Yun Hao Li
- Department of General Surgery, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Zhi Dong Wang
- Department of General Surgery, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Yuan Yuan Ji
- Scientific Research Center and Precision Medical Institute, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, China
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2
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Silva PV, Nobre CN. Computational methods in the analysis of SARS-CoV-2 in mammals: A systematic review of the literature. Comput Biol Med 2024; 173:108264. [PMID: 38564853 DOI: 10.1016/j.compbiomed.2024.108264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 02/15/2024] [Accepted: 03/06/2024] [Indexed: 04/04/2024]
Abstract
SARS-CoV-2 is an enveloped RNA virus that causes severe respiratory illness in humans and animals. It infects cells by binding the Spike protein to the host's angiotensin-converting enzyme 2 (ACE2). The bat is considered the natural host of the virus, and zoonotic transmission is a significant risk and can happen when humans come into close contact with infected animals. Therefore, understanding the interconnection between human, animal, and environmental health is important to prevent and control future coronavirus outbreaks. This work aimed to systematically review the literature to identify characteristics that make mammals suitable virus transmitters and raise the main computational methods used to evaluate SARS-CoV-2 in mammals. Based on this review, it was possible to identify the main factors related to transmissions mentioned in the literature, such as the expression of ACE2 and proximity to humans, in addition to identifying the computational methods used for its study, such as Machine Learning, Molecular Modeling, Computational Simulation, between others. The findings of the work contribute to the prevention and control of future outbreaks, provide information on transmission factors, and highlight the importance of advanced computational methods in the study of infectious diseases that allow a deeper understanding of transmission patterns and can help in the development of more effective control and intervention strategies.
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Affiliation(s)
- Paula Vitória Silva
- Pontifical Catholic University of Minas Gerais - PUC Minas, 500 Dom José Gaspar Street, Building 41, Coração Eucarístico, Belo Horizonte, MG 30535-901, Brazil.
| | - Cristiane N Nobre
- Pontifical Catholic University of Minas Gerais - PUC Minas, 500 Dom José Gaspar Street, Building 41, Coração Eucarístico, Belo Horizonte, MG 30535-901, Brazil.
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3
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Tan CCS, van Dorp L, Balloux F. The evolutionary drivers and correlates of viral host jumps. Nat Ecol Evol 2024; 8:960-971. [PMID: 38528191 DOI: 10.1038/s41559-024-02353-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 01/29/2024] [Indexed: 03/27/2024]
Abstract
Most emerging and re-emerging infectious diseases stem from viruses that naturally circulate in non-human vertebrates. When these viruses cross over into humans, they can cause disease outbreaks, epidemics and pandemics. While zoonotic host jumps have been extensively studied from an ecological perspective, little attention has gone into characterizing the evolutionary drivers and correlates underlying these events. To address this gap, we harnessed the entirety of publicly available viral genomic data, employing a comprehensive suite of network and phylogenetic analyses to investigate the evolutionary mechanisms underpinning recent viral host jumps. Surprisingly, we find that humans are as much a source as a sink for viral spillover events, insofar as we infer more viral host jumps from humans to other animals than from animals to humans. Moreover, we demonstrate heightened evolution in viral lineages that involve putative host jumps. We further observe that the extent of adaptation associated with a host jump is lower for viruses with broader host ranges. Finally, we show that the genomic targets of natural selection associated with host jumps vary across different viral families, with either structural or auxiliary genes being the prime targets of selection. Collectively, our results illuminate some of the evolutionary drivers underlying viral host jumps that may contribute to mitigating viral threats across species boundaries.
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Affiliation(s)
- Cedric C S Tan
- UCL Genetics Institute, University College London, London, UK.
- The Francis Crick Institute, London, UK.
| | - Lucy van Dorp
- UCL Genetics Institute, University College London, London, UK
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4
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Du SN, Chen JW, Li W, Wang MC, Mao YS. Development of autoimmune thyroid disease after COVID-19 infection: case report. Front Med (Lausanne) 2024; 11:1303855. [PMID: 38384412 PMCID: PMC10879344 DOI: 10.3389/fmed.2024.1303855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 01/26/2024] [Indexed: 02/23/2024] Open
Abstract
Background SARS-CoV-2 could trigger multiple immune responses, leading to several autoimmune diseases, including thyroid diseases. Many cases of thyroid diseases caused by COVID-19 infection have been reported. Here, we describe the disease development of patients with autoimmune thyroid disease after COVID-19 infection. Methods The clinical characteristics, diagnosis and treatment of five different patients with autoimmune thyroid disease after COVID-19 infection were reported. Results Female patients with primary autoimmune thyroid disease which have been stable for many years were reported. One month after COVID-19 infection, the disease has undergone different evolution. Case 1, a patient with history of long-term stable Hashimoto's thyroiditis, suddenly suffered from Graves disease after COVID-19 infection. Case 2, a patient with history of long-term stable Hashimoto's thyroiditis with thyroid nodules, suddenly suffered from Graves disease after infection. Case 3, a patient with history of long-term stable Graves disease, suddenly suffered from worsening after infection. The above three cases showed thyroid-stimulating antibodies were enhanced. Case 4, a patient with history of previous hypothyroidism had an increase in thyroid-related antibody (TPOAb and TRAb) activity after infection, followed by a marked worsening of hypothyroidism. Case 5, a patient with no history of thyroid disease suddenly developed controllable "thyrotoxicosis" after infection, suggesting the diagnosis of painless thyroiditis. Conclusion The five case reports show a different development of the primary autoimmune thyroid disease after COVID-19 infection. The change in the trend of thyroid disease is closely related to the immune response induced by SARS-CoV-2 infection.
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Affiliation(s)
- Si-na Du
- Department of Endocrinology, Cixi People Hospital Medical Health Group (Cixi People Hospital), Cixi, China
| | - Jian-wei Chen
- Department of Endocrinology, Cixi People Hospital Medical Health Group (Cixi People Hospital), Cixi, China
| | - Wei Li
- Department of Endocrinology, The Affiliated Lihuili Hospital of Ningbo University, Ningbo, China
| | - Meng-chuan Wang
- Department of Endocrinology, Cixi People Hospital Medical Health Group (Cixi People Hospital), Cixi, China
| | - Yu-shan Mao
- Department of Endocrinology, The first Affiliated Hospital of Ningbo University, Ningbo, China
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5
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Wang Y, Ye M, Zhang F, Freeman ZT, Yu H, Ye X, He Y. Ontology-based taxonomical analysis of experimentally verified natural and laboratory human coronavirus hosts and its implication for COVID-19 virus origination and transmission. PLoS One 2024; 19:e0295541. [PMID: 38252647 PMCID: PMC10802970 DOI: 10.1371/journal.pone.0295541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 11/26/2023] [Indexed: 01/24/2024] Open
Abstract
To fully understand COVID-19, it is critical to study all possible hosts of SARS-CoV-2 (the pathogen of COVID-19). In this work, we collected, annotated, and performed ontology-based taxonomical analysis of all the reported and verified hosts for all human coronaviruses including SARS-CoV, MERS-CoV, SARS-CoV-2, HCoV-229E, HCoV-NL63, HCoV-OC43, and HCoV-HKU1. A total of 37 natural hosts and 19 laboratory animal hosts of human coronaviruses were identified based on experimental evidence. Our analysis found that all the verified susceptible natural and laboratory animals belong to therian mammals. Specifically, these 37 natural therian hosts include one wildlife marsupial mammal (i.e., Virginia opossum) and 36 Eutheria mammals (a.k.a. placental mammals). The 19 laboratory animal hosts are also classified as therian mammals. The mouse models with genetically modified human ACE2 or DPP4 were more susceptible to virulent human coronaviruses with clear symptoms, suggesting the critical role of ACE2 and DPP4 to coronavirus virulence. Coronaviruses became more virulent and adaptive in the mouse hosts after a series of viral passages in the mice, providing clue to the possible coronavirus origination. The Huanan Seafood Wholesale Market animals identified early in the COVID-19 outbreak were also systematically analyzed as possible COVID-19 hosts. To support knowledge standardization and query, the annotated host knowledge was modeled and represented in the Coronavirus Infectious Disease Ontology (CIDO). Based on our and others' findings, we further propose a MOVIE model (i.e., Multiple-Organism viral Variations and Immune Evasion) to address how viral variations in therian animal hosts and the host immune evasion might have led to dynamic COVID-19 pandemic outcomes.
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Affiliation(s)
- Yang Wang
- Guizhou University School of Medicine, Guiyang, Guizhou, China
- Department of Respiratory and Critical Care Medicine, Guizhou Provincial People’s Hospital and NHC Key Laboratory of Immunological Diseases, People’s Hospital of Guizhou University, Guiyang, Guizhou, China
- Unit for Laboratory Animal Medicine, University of Michigan Medical School, Ann Arbor, MI, United States of America
| | - Muhui Ye
- Chinese University of Hong Kong (Shenzhen), Shenzhen, Guangdong, China
| | - Fengwei Zhang
- Guizhou University School of Medicine, Guiyang, Guizhou, China
| | - Zachary Thomas Freeman
- Unit for Laboratory Animal Medicine, University of Michigan Medical School, Ann Arbor, MI, United States of America
| | - Hong Yu
- Guizhou University School of Medicine, Guiyang, Guizhou, China
- Department of Respiratory and Critical Care Medicine, Guizhou Provincial People’s Hospital and NHC Key Laboratory of Immunological Diseases, People’s Hospital of Guizhou University, Guiyang, Guizhou, China
| | - Xianwei Ye
- Guizhou University School of Medicine, Guiyang, Guizhou, China
- Department of Respiratory and Critical Care Medicine, Guizhou Provincial People’s Hospital and NHC Key Laboratory of Immunological Diseases, People’s Hospital of Guizhou University, Guiyang, Guizhou, China
| | - Yongqun He
- Unit for Laboratory Animal Medicine, University of Michigan Medical School, Ann Arbor, MI, United States of America
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, United States of America
- Center for Computational Medicine and Bioinformatics, University of Michigan Medical School, Ann Arbor, MI, United States of America
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6
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Mabry ME, Fanelli A, Mavian C, Lorusso A, Manes C, Soltis PS, Capua I. The panzootic potential of SARS-CoV-2. Bioscience 2023; 73:814-829. [PMID: 38125826 PMCID: PMC10728779 DOI: 10.1093/biosci/biad102] [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: 07/18/2022] [Revised: 09/09/2023] [Accepted: 11/06/2023] [Indexed: 12/23/2023] Open
Abstract
Each year, SARS-CoV-2 is infecting an increasingly unprecedented number of species. In the present article, we combine mammalian phylogeny with the genetic characteristics of isolates found in mammals to elaborate on the host-range potential of SARS-CoV-2. Infections in nonhuman mammals mirror those of contemporary viral strains circulating in humans, although, in certain species, extensive viral circulation has led to unique genetic signatures. As in other recent studies, we found that the conservation of the ACE2 receptor cannot be considered the sole major determinant of susceptibility. However, we are able to identify major clades and families as candidates for increased surveillance. On the basis of our findings, we argue that the use of the term panzootic could be a more appropriate term than pandemic to describe the ongoing scenario. This term better captures the magnitude of the SARS-CoV-2 host range and would hopefully inspire inclusive policy actions, including systematic screenings, that could better support the management of this worldwide event.
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Affiliation(s)
- Makenzie E Mabry
- Florida Museum of Natural History, University of Florida, Gainesville, Florida, United States
| | - Angela Fanelli
- Department of Veterinary Medicine, University of Bari, Valenzano, Bari, Italy
| | - Carla Mavian
- Emerging Pathogens Institute and with the Department of Pathology, University of Florida, Gainesville, Florida, United States
| | - Alessio Lorusso
- Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, Italy
| | - Costanza Manes
- Department of Wildlife Ecology and Conservation and with the One Health Center of Excellence, University of Florida, Gainesville, Florida, United States
| | - Pamela S Soltis
- Florida Museum of Natural History, University of Florida, Gainesville, Florida, United States
| | - Ilaria Capua
- One Health Center of Excellence, University of Florida, Gainesville, Florida, United States
- School of International Advanced Studies, Johns Hopkins University, Bologna, Italy
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7
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Wang L, Guzman M, Muñoz-Santos D, Honrubia JM, Ripoll-Gomez J, Delgado R, Sola I, Enjuanes L, Zuñiga S. Cell type dependent stability and virulence of a recombinant SARS-CoV-2, and engineering of a propagation deficient RNA replicon to analyze virus RNA synthesis. Front Cell Infect Microbiol 2023; 13:1268227. [PMID: 37942479 PMCID: PMC10628495 DOI: 10.3389/fcimb.2023.1268227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 10/12/2023] [Indexed: 11/10/2023] Open
Abstract
Engineering of reverse genetics systems for newly emerged viruses allows viral genome manipulation, being an essential tool for the study of virus life cycle, virus-host interactions and pathogenesis, as well as for the development of effective antiviral strategies. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is an emergent human coronavirus that has caused the coronavirus disease (COVID-19) pandemic. The engineering of a full-length infectious cDNA clone and a fluorescent replicon of SARS-CoV-2 Wuhan-Hu-1, using a bacterial artificial chromosome, is reported. Viral growth and genetic stability in eleven cell lines were analyzed, showing that both VeroE6 cells overexpressing transmembrane serin protease 2 (TMPRSS2) and human lung derived cells resulted in the optimization of a cell system to preserve SARS-CoV-2 genetic stability. The recombinant SARS-CoV-2 virus and a point mutant expressing the D614G spike protein variant were virulent in a mouse model. The RNA replicon was propagation-defective, allowing its use in BSL-2 conditions to analyze viral RNA synthesis. The SARS-CoV-2 reverse genetics systems developed constitute a useful tool for studying the molecular biology of the virus, the development of genetically defined vaccines and to establish systems for antiviral compounds screening.
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Affiliation(s)
- Li Wang
- Department of Molecular and Cell Biology, National Center of Biotechnology (CNB-CSIC), Madrid, Spain
| | - María Guzman
- Department of Molecular and Cell Biology, National Center of Biotechnology (CNB-CSIC), Madrid, Spain
| | - Diego Muñoz-Santos
- Department of Molecular and Cell Biology, National Center of Biotechnology (CNB-CSIC), Madrid, Spain
| | - Jose Manuel Honrubia
- Department of Molecular and Cell Biology, National Center of Biotechnology (CNB-CSIC), Madrid, Spain
| | - Jorge Ripoll-Gomez
- Department of Molecular and Cell Biology, National Center of Biotechnology (CNB-CSIC), Madrid, Spain
| | - Rafael Delgado
- Laboratory of Molecular Microbiology, Instituto de Investigación Hospital 12 de Octubre (Imas12), Madrid, Spain
| | - Isabel Sola
- Department of Molecular and Cell Biology, National Center of Biotechnology (CNB-CSIC), Madrid, Spain
| | - Luis Enjuanes
- Department of Molecular and Cell Biology, National Center of Biotechnology (CNB-CSIC), Madrid, Spain
| | - Sonia Zuñiga
- Department of Molecular and Cell Biology, National Center of Biotechnology (CNB-CSIC), Madrid, Spain
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8
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Fusco G, Cardillo L, Levante M, Brandi S, Picazio G, Napoletano M, Martucciello A, Fiorito F, De Carlo E, de Martinis C. First serological evidence of SARS-CoV-2 natural infection in small ruminants : Brief report. Vet Res Commun 2023; 47:1741-1748. [PMID: 36624357 PMCID: PMC9829525 DOI: 10.1007/s11259-022-10044-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 11/22/2022] [Indexed: 01/11/2023]
Abstract
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) emerged in late December 2019 and spread worldwide, quickly becoming a pandemic. This zoonotic coronavirus shows a broad host range, including wildlife and domestic animals. Small ruminants are shown to be susceptible to SARS-CoV-2 but, to date, no natural infection has been reported. Herein, we performed a survey for SARS-CoV-2 among sheep and goats in the Campania region of Italy using an indirect multispecies ELISA. Next, positive sera were submitted to virus serum neutralization for the quantification of specific neutralizing antibodies. Out of 612 sheep and goats, 23 were found ELISA positive (3.75%) and 1 of them showed 1:20 neutralizing antibodies titer. No significant difference was found between the two species, as well as between male and female, geographical location and age. Our findings demonstrate that natural infection can occur in flocks in a field situation. Moreover, low susceptibility to SARS-CoV-2 is reported for sheep and goats, nevertheless, the continuous mutations of this virus open new scenarios on viral host range and tropism, highlighting the importance of investigating animal species that could represent ongoing or future possible hosts.
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Affiliation(s)
- Giovanna Fusco
- Department of Animal Health, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Unit of Virology, Via Salute, 2, 80055, Portici, Naples, Italy
| | - Lorena Cardillo
- Department of Animal Health, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Unit of Virology, Via Salute, 2, 80055, Portici, Naples, Italy.
| | - Martina Levante
- Department of Animal Health, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Unit of Virology, Via Salute, 2, 80055, Portici, Naples, Italy
| | - Sergio Brandi
- Department of Animal Health, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Unit of Virology, Via Salute, 2, 80055, Portici, Naples, Italy
| | - Gerardo Picazio
- CEINGE Advanced Biotechnologies, Via G. Salvatore, 486, 80131, Naples, Italy.
| | - Michele Napoletano
- Caserta Section, Istituto Zooprofilattico Sperimentale del Mezzogiorno, 81100, Caserta, Italy
| | - Alessandra Martucciello
- Salerno Section, Istituto Zooprofilattico Sperimentale del Mezzogiorno, 84131, Fuorni, Salerno, Italy
| | - Filomena Fiorito
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, 80137, Naples, Italy
| | - Esterina De Carlo
- Scientific Direction, Istituto Zooprofilattico Sperimentale del Mezzogiorno, 80055, Portici, Naples, Italy
| | - Claudio de Martinis
- Department of Animal Health, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Unit of Virology, Via Salute, 2, 80055, Portici, Naples, Italy
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9
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Hamdy ME, El Deeb AH, Hagag NM, Shahein MA, Alaidi O, Hussein HA. Interspecies transmission of SARS CoV-2 with special emphasis on viral mutations and ACE-2 receptor homology roles. Int J Vet Sci Med 2023; 11:55-86. [PMID: 37441062 PMCID: PMC10334861 DOI: 10.1080/23144599.2023.2222981] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 05/11/2023] [Accepted: 05/19/2023] [Indexed: 07/15/2023] Open
Abstract
COVID-19 outbreak was first reported in 2019, Wuhan, China. The spillover of the disease caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), to a wide range of pet, zoo, wild, and farm animals has emphasized potential zoonotic and reverse zoonotic viral transmission. Furthermore, it has evoked inquiries about susceptibility of different animal species to SARS-CoV-2 infection and role of these animals as viral reservoirs. Therefore, studying susceptible and non-susceptible hosts for SARS-CoV-2 infection could give a better understanding for the virus and will help in preventing further outbreaks. Here, we review structural aspects of SARS-CoV-2 spike protein, the effect of the different mutations observed in the spike protein, and the impact of ACE2 receptor variations in different animal hosts on inter-species transmission. Moreover, the SARS-CoV-2 spillover chain was reviewed. Combination of SARS-CoV-2 high mutation rate and homology of cellular ACE2 receptors enable the virus to transcend species barriers and facilitate its transmission between humans and animals.
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Affiliation(s)
- Mervat E. Hamdy
- Genome Research Unit, Animal Health Research Institute, Agriculture Research Centre, Giza, Egypt
| | - Ayman H. El Deeb
- Department of Virology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
- Department of Virology, Faculty of Veterinary Medicine, King Salman International University, South Sinai, Egypt
| | - Naglaa M. Hagag
- Genome Research Unit, Animal Health Research Institute, Agriculture Research Centre, Giza, Egypt
| | - Momtaz A. Shahein
- Department of Virology, Animal Health Research Institute, Agriculture Research Centre, Giza, Egypt
| | - Osama Alaidi
- Biocomplexity for Research and Consulting Co., Cairo, Egypt
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN, USA
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, TN, USA
| | - Hussein A. Hussein
- Department of Virology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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10
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Esen SG, Basak C, Leyla Ö, Aslıhan A, Evrim Eylem A. The effect of ACE2 receptor, IFN-γ, and TNF-α polymorphisms on the severity and prognosis of the disease in SARS-CoV-2 infection. J Investig Med 2023; 71:526-535. [PMID: 36876951 PMCID: PMC9996099 DOI: 10.1177/10815589231158379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
To investigate the effect of genetic variations in the angiotensin converting enzyme (ACE), interferon (IFNG) and tumor necrosis factor (TNF-α) genes on the severity of coronavirus disease (COVID-19). Between September and December 2021, 33 patients with COVID-19 were included in this prospective study. The patients were classified and compared according to disease severity: mild&moderate (n = 26) vs severe&critical (n = 7). These groups were evaluated to assess possible relationships with ACE, TNF-α and IFNG gene variations using univariate and multivariable analyses. The median age of the mild&moderate group was 45.5 (22-73), and that of the severe&critical group was 58 (49-80) years (p = 0.014). Seventeen (65.4%) of the mild&moderate patients and 3 (42.9%) of severe&critical patients were female (p = 0.393). According to results of univariate analysis, the percentage of patients with the c.418-70C>G variant of the ACE gene was significantly higher in the mild&moderate group (p = 0.027). The ACE gene polymorphisms, c.2312C>T, c.3490G>A, c.3801C>T, and c.731A>G, were each only seen in separate patients with critical disease. The following variants were observed more frequently in the mild&moderate group: c.582C>T, c.3836G>A, c.511+66A>G, c.1488-58T>C, c.3281+25C>T, c.1710-90G>C, c.2193A> G, c.3387T>C for ACE; c.115-3delT for IFNG; and c.27C>T for TNF. It can be expected that patients carrying the ACE gene c.418-70C>G variant may present with a mild clinical manifestation of COVID-19. Several genetic polymorphisms may be associated with pathophysiology, as they appear to help predict COVID-19 severity and enable early identification of the patients requiring aggressive treatment.
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Affiliation(s)
- Sayın Gülensoy Esen
- Department of Chest Diseases, Ufuk University Faculty of Medicine, Ankara, Turkey
| | - Celtikci Basak
- Department of Biochemistry, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Özer Leyla
- Department of Medical Genetics, Yüksek İhtisas University Faculty of Medicine, Ankara, Turkey
| | - Alhan Aslıhan
- Department of Biostatistics, Ufuk University Faculty of Medicine, Ankara, Turkey
| | - Akpınar Evrim Eylem
- Department of Chest Diseases, Ufuk University Faculty of Medicine, Ankara, Turkey
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11
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Santaniello A, Perruolo G, Cristiano S, Agognon AL, Cabaro S, Amato A, Dipineto L, Borrelli L, Formisano P, Fioretti A, Oriente F. SARS-CoV-2 Affects Both Humans and Animals: What Is the Potential Transmission Risk? A Literature Review. Microorganisms 2023; 11:microorganisms11020514. [PMID: 36838479 PMCID: PMC9959838 DOI: 10.3390/microorganisms11020514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
In March 2020, the World Health Organization Department declared the coronavirus (COVID-19) outbreak a global pandemic, as a consequence of its rapid spread on all continents. The COVID-19 pandemic has been not only a health emergency but also a serious general problem as fear of contagion and severe restrictions put economic and social activity on hold in many countries. Considering the close link between human and animal health, COVID-19 might infect wild and companion animals, and spawn dangerous viral mutants that could jump back and pose an ulterior threat to us. The purpose of this review is to provide an overview of the pandemic, with a particular focus on the clinical manifestations in humans and animals, the different diagnosis methods, the potential transmission risks, and their potential direct impact on the human-animal relationship.
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Affiliation(s)
- Antonio Santaniello
- Department of Veterinary Medicine and Animal Production, Federico II University of Naples, 80134 Naples, Italy
- Correspondence: (A.S.); (S.C.); Tel.: +39-081-253-6134 (A.S.)
| | - Giuseppe Perruolo
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy
| | - Serena Cristiano
- Department of Veterinary Medicine and Animal Production, Federico II University of Naples, 80134 Naples, Italy
- Correspondence: (A.S.); (S.C.); Tel.: +39-081-253-6134 (A.S.)
| | - Ayewa Lawoe Agognon
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy
| | - Serena Cabaro
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy
| | - Alessia Amato
- Department of Veterinary Medicine and Animal Production, Federico II University of Naples, 80134 Naples, Italy
| | - Ludovico Dipineto
- Department of Veterinary Medicine and Animal Production, Federico II University of Naples, 80134 Naples, Italy
| | - Luca Borrelli
- Department of Veterinary Medicine and Animal Production, Federico II University of Naples, 80134 Naples, Italy
| | - Pietro Formisano
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy
| | - Alessandro Fioretti
- Department of Veterinary Medicine and Animal Production, Federico II University of Naples, 80134 Naples, Italy
| | - Francesco Oriente
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy
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12
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Evaluating the transmission feasibility of SARS-CoV-2 Omicron (B.1.1.529) variant to 143 mammalian hosts: insights from S protein RBD and host ACE2 interaction studies. Funct Integr Genomics 2023; 23:36. [PMID: 36631570 PMCID: PMC9838434 DOI: 10.1007/s10142-023-00962-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/30/2022] [Accepted: 01/02/2023] [Indexed: 01/13/2023]
Abstract
In comparison to previously known severe respiratory syndrome coronavirus 2 (SARS-CoV-2) variants, the newly emerged Omicron (B.1.1.529) variant shows higher infectivity in humans. Exceptionally high infectivity of this variant raises concern of its possible transmission via other intermediate hosts. The SARS-CoV-2 infectivity is established via the association of spike (S) protein receptor binding domain (RBD) with host angiotensin I converting enzyme 2 (hACE2) receptor. In the course of this study, we investigated the interaction between Omicron S protein RBD with the ACE2 receptor of 143 mammalian hosts including human by protein-protein interaction analysis. The goal of this study was to forecast the likelihood that the virus may infect other mammalian species that coexist with or are close to humans in the household, rural, agricultural, or zoological environments. The Omicron RBD was found to interact with higher binding affinity with the ACE2 receptor of 122 mammalian hosts via different amino acid residues from the human ACE2 (hACE2). The rat (Rattus rattus) ACE2 was found to show the strongest interaction with Omicron RBD with a binding affinity of -1393.6 kcal/mol. These distinct strong binding affinity of RBD of Omicron with host ACE2 indicates a greater potential of new host transmissibility and infection via intermediate hosts. Though expected but the phylogenetic position of the mammalian species may not dictate the Omicron RBD binding to the host ACE2 receptor suggesting an involvement of multiple factors in guiding host divergence of the variant.
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13
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Jahirul Islam M, Nawal Islam N, Siddik Alom M, Kabir M, Halim MA. A review on structural, non-structural, and accessory proteins of SARS-CoV-2: Highlighting drug target sites. Immunobiology 2023; 228:152302. [PMID: 36434912 PMCID: PMC9663145 DOI: 10.1016/j.imbio.2022.152302] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 10/30/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of COVID-19, is a highly transmittable and pathogenic human coronavirus that first emerged in China in December 2019. The unprecedented outbreak of SARS-CoV-2 devastated human health within a short time leading to a global public health emergency. A detailed understanding of the viral proteins including their structural characteristics and virulence mechanism on human health is very crucial for developing vaccines and therapeutics. To date, over 1800 structures of non-structural, structural, and accessory proteins of SARS-CoV-2 are determined by cryo-electron microscopy, X-ray crystallography, and NMR spectroscopy. Designing therapeutics to target the viral proteins has several benefits since they could be highly specific against the virus while maintaining minimal detrimental effects on humans. However, for ongoing and future research on SARS-CoV-2, summarizing all the viral proteins and their detailed structural information is crucial. In this review, we compile comprehensive information on viral structural, non-structural, and accessory proteins structures with their binding and catalytic sites, different domain and motifs, and potential drug target sites to assist chemists, biologists, and clinicians finding necessary details for fundamental and therapeutic research.
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Affiliation(s)
- Md. Jahirul Islam
- Division of Infectious Diseases and Division of Computer Aided Drug Design, The Red-Green Research Centre, BICCB, 16 Tejkunipara, Tejgaon, Dhaka 1215, Bangladesh
| | - Nafisa Nawal Islam
- Department of Biotechnology and Genetic Engineering, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | - Md. Siddik Alom
- Ohio State Biochemistry Program, The Ohio State University, Columbus, OH 43210, USA
| | - Mahmuda Kabir
- Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka 1000, Bangladesh
| | - Mohammad A. Halim
- Department of Chemistry and Biochemistry, Kennesaw State University, 370 Paulding Avenue NW, Kennesaw, GA 30144, USA,Corresponding author
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14
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Frutos R, Yahi N, Gavotte L, Fantini J, Devaux CA. Role of spike compensatory mutations in the interspecies transmission of SARS-CoV-2. One Health 2022; 15:100429. [PMID: 36060458 PMCID: PMC9420691 DOI: 10.1016/j.onehlt.2022.100429] [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: 07/15/2022] [Revised: 08/25/2022] [Accepted: 08/25/2022] [Indexed: 01/08/2023] Open
Abstract
SARS-CoV-2, the virus responsible for COVID-19 in humans, can efficiently infect a large number of animal species. Like any virus, and particularly RNA viruses, SARS-CoV-2 undergoes mutations during its life cycle some of which bring a selective advantage, leading to the selection of a given lineage. Minks are very susceptible to SARS-CoV-2 and owing to their presence in mass rearing, they make a good model for studying the relative importance of mutations in viral adaptation to host species. Variants, such as the mink-selected SARS-CoV-2 Y453F and D614G or H69del/V70del, Y453F, I692V and M1229I were identified in humans after spreading through densely caged minks. However, not all mink-specific mutations are conserved when the virus infects human populations back. Many questions remain regarding the interspecies evolution of SARS-CoV-2 and the dynamics of transmission leading to the emergence of new variant strains. We compared the human and mink ACE2 receptor structures and their interactions with SARS-CVoV-2 variants. In minks, ACE2 presents a Y34 amino acid instead of the H34 amino acid found in the human ACE2. H34 is essential for the interaction with the Y453 residue of the SARS-CoV-2 Spike protein. The Y453F mink mutation abolishes this conflict. A series of 18 mutations not involved in the direct ACE2 interaction was observed in addition to the Y453F and D614G in 16 different SARS-CoV-2 strains following bidirectional infections between humans and minks. These mutations were not random and were distributed into five different functional groups having an effect on the kinetics of ACE2-RD interaction. The interspecies transmission of SARS-CoV-2 from humans to minks and back to humans, generated specific mutations in each species which improved the affinity for the ACE2 receptor either by direct mutation of the core 453 residue or by associated compensatory mutations.
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15
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Devaux CA, Camoin-Jau L. An update on angiotensin-converting enzyme 2 structure/functions, polymorphism, and duplicitous nature in the pathophysiology of coronavirus disease 2019: Implications for vascular and coagulation disease associated with severe acute respiratory syndrome coronavirus infection. Front Microbiol 2022; 13:1042200. [PMID: 36519165 PMCID: PMC9742611 DOI: 10.3389/fmicb.2022.1042200] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/07/2022] [Indexed: 08/01/2023] Open
Abstract
It has been known for many years that the angiotensin-converting enzyme 2 (ACE2) is a cell surface enzyme involved in the regulation of blood pressure. More recently, it was proven that the severe acute respiratory syndrome coronavirus (SARS-CoV-2) interacts with ACE2 to enter susceptible human cells. This functional duality of ACE2 tends to explain why this molecule plays such an important role in the clinical manifestations of coronavirus disease 2019 (COVID-19). At the very start of the pandemic, a publication from our Institute (entitled "ACE2 receptor polymorphism: susceptibility to SARS-CoV-2, hypertension, multi-organ failure, and COVID-19 disease outcome"), was one of the first reviews linking COVID-19 to the duplicitous nature of ACE2. However, even given that COVID-19 pathophysiology may be driven by an imbalance in the renin-angiotensin system (RAS), we were still far from understanding the complexity of the mechanisms which are controlled by ACE2 in different cell types. To gain insight into the physiopathology of SARS-CoV-2 infection, it is essential to consider the polymorphism and expression levels of the ACE2 gene (including its alternative isoforms). Over the past 2 years, an impressive amount of new results have come to shed light on the role of ACE2 in the pathophysiology of COVID-19, requiring us to update our analysis. Genetic linkage studies have been reported that highlight a relationship between ACE2 genetic variants and the risk of developing hypertension. Currently, many research efforts are being undertaken to understand the links between ACE2 polymorphism and the severity of COVID-19. In this review, we update the state of knowledge on the polymorphism of ACE2 and its consequences on the susceptibility of individuals to SARS-CoV-2. We also discuss the link between the increase of angiotensin II levels among SARS-CoV-2-infected patients and the development of a cytokine storm associated microvascular injury and obstructive thrombo-inflammatory syndrome, which represent the primary causes of severe forms of COVID-19 and lethality. Finally, we summarize the therapeutic strategies aimed at preventing the severe forms of COVID-19 that target ACE2. Changing paradigms may help improve patients' therapy.
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Affiliation(s)
- Christian A. Devaux
- Aix-Marseille Université, IRD, APHM, MEPHI, IHU–Méditerranée Infection, Marseille, France
- Center National de la Recherche Scientifique, Marseille, France
| | - Laurence Camoin-Jau
- Aix-Marseille Université, IRD, APHM, MEPHI, IHU–Méditerranée Infection, Marseille, France
- Laboratoire d’Hématologie, Hôpital de La Timone, APHM, Boulevard Jean-Moulin, Marseille, France
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16
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Mollentze N, Keen D, Munkhbayar U, Biek R, Streicker DG. Variation in the ACE2 receptor has limited utility for SARS-CoV-2 host prediction. eLife 2022; 11:80329. [DOI: 10.7554/elife.80329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 10/16/2022] [Indexed: 11/24/2022] Open
Abstract
Transmission of SARS-CoV-2 from humans to other species threatens wildlife conservation and may create novel sources of viral diversity for future zoonotic transmission. A variety of computational heuristics have been developed to pre-emptively identify susceptible host species based on variation in the angiotensin-converting enzyme 2 (ACE2) receptor used for viral entry. However, the predictive performance of these heuristics remains unknown. Using a newly compiled database of 96 species, we show that, while variation in ACE2 can be used by machine learning models to accurately predict animal susceptibility to sarbecoviruses (accuracy = 80.2%, binomial confidence interval [CI]: 70.8–87.6%), the sites informing predictions have no known involvement in virus binding and instead recapitulate host phylogeny. Models trained on host phylogeny alone performed equally well (accuracy = 84.4%, CI: 75.5–91.0%) and at a level equivalent to retrospective assessments of accuracy for previously published models. These results suggest that the predictive power of ACE2-based models derives from strong correlations with host phylogeny rather than processes which can be mechanistically linked to infection biology. Further, biased availability of ACE2 sequences misleads projections of the number and geographic distribution of at-risk species. Models based on host phylogeny reduce this bias, but identify a very large number of susceptible species, implying that model predictions must be combined with local knowledge of exposure risk to practically guide surveillance. Identifying barriers to viral infection or onward transmission beyond receptor binding and incorporating data which are independent of host phylogeny will be necessary to manage the ongoing risk of establishment of novel animal reservoirs of SARS-CoV-2.
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Affiliation(s)
- Nardus Mollentze
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary, and Life Sciences, University of Glasgow
- Medical Research Council – University of Glasgow Centre for Virus Research
| | - Deborah Keen
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary, and Life Sciences, University of Glasgow
| | - Uuriintuya Munkhbayar
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary, and Life Sciences, University of Glasgow
| | - Roman Biek
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary, and Life Sciences, University of Glasgow
| | - Daniel G Streicker
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary, and Life Sciences, University of Glasgow
- Medical Research Council – University of Glasgow Centre for Virus Research
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17
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Janssen J. Thailand's online reptile market decreases, but shifts toward native species during COVID-19. JOURNAL OF ASIA-PACIFIC BIODIVERSITY 2022; 15:488-494. [PMID: 36097538 PMCID: PMC9454151 DOI: 10.1016/j.japb.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/16/2022] [Accepted: 08/21/2022] [Indexed: 12/05/2022] Open
Abstract
The recent COVID-19 pandemic presented the world with a crisis of incredible scale and made wildlife markets the focal point of authorities. Scientific literature on COVID-19 and wildlife trade overwhelmingly focused on the zoonotic risks of wildlife markets. As many physical marketplaces for wildlife were faced with closure or restrictions to curb the spread of COVID-19, alternative sale platforms were sought. I monitored social media platforms in Thailand during the pandemic and compared this with data obtained in 2016. I found a significant reduction of lizards and snakes offered for sale on social media, compared with before the pandemic. Although the quantity decreased, I found that the number of species almost doubled in snakes, of which unprotected native species increased by 245%. Transport restrictions would limit the mobility of harvesters and interrupts trade chains, and thus could explain the reduced number of snakes and lizards for sale. However, the increase in native species for sale shows that the impact of this international trade disruption could shift focus from international trade to what is locally available. Potentially having serious consequences for the conservation of local species and in line with previous studies documenting increased poaching rates and wildlife crime incidents.
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Affiliation(s)
- Jordi Janssen
- Monitor Conservation Research Society, Big Lake Ranch BC, PO Box 200, V0L 1G0, Canada
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18
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Gulati I, Khan S, Gulati G, Verma SR, Khan M, Ahmad S, Bantun F, Mathkor DM, Haque S. SARS-CoV-2 origins: zoonotic Rhinolophus vs contemporary models. Biotechnol Genet Eng Rev 2022:1-34. [PMID: 36036250 DOI: 10.1080/02648725.2022.2115682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/03/2022] [Indexed: 11/02/2022]
Abstract
The question of the origin of coronavirus spread like wildfire ever since it wreaked havoc among humankind, and ever since the scientific community has worked tirelessly to trace the history of the virus. In this review, we have tried to compile relevant literature pertaining to the different theories of origin of SARS-CoV-2, hopefully without any bias, and we strongly support the zoonotic origin of the infamous SARS-CoV-2 in bats and its transfer to human beings through the most probable evolutionary hosts, pangolins and minks. We also support the contemporary 'Circulation Model' that simply mirrors the concept of evolution to explain the origin of the virus which, the authors believe, is the most rational school of thought. The most recent variant of SARS-CoV-2, Omicron, has been taken as an example to clarify the concept. We recommend the community to refer to this model for further understanding and delving deep into this mystery of the origin of SARS-CoV-2.
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Affiliation(s)
- Ishika Gulati
- Department of Biotechnology, Delhi Technological University, Delhi, India
| | - Saif Khan
- Department of Basic Dental and Medical Sciences, College of Dentistry, Ha'il University, Ha'il, Saudi Arabia
| | - Garima Gulati
- Department of Applied Mechanics, Motilal Nehru National Institute of Technology, Prayagraj, Allahabad, India
| | | | - Mahvish Khan
- Department of Biology, College of science, University of Ha'il, Ha'il, Saudi Arabia
| | - Saheem Ahmad
- Department of clinical laboratory science, College of Applied Medical Science, University of Ha'il, Ha'il, Saudi Arabia
| | - Farkad Bantun
- Department of Microbiology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Darin Mansor Mathkor
- Research and Scientific Studies Unit, College of Nursing & Allied Health Sciences, Jazan University, Jazan, Saudi Arabia
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing & Allied Health Sciences, Jazan University, Jazan, Saudi Arabia
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19
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Sorokina M, Belapure J, Tüting C, Paschke R, Papasotiriou I, Rodrigues JP, Kastritis PL. An Electrostatically-steered Conformational Selection Mechanism Promotes SARS-CoV-2 Spike Protein Variation. J Mol Biol 2022; 434:167637. [PMID: 35595165 PMCID: PMC9112565 DOI: 10.1016/j.jmb.2022.167637] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 04/28/2022] [Accepted: 05/06/2022] [Indexed: 12/16/2022]
Abstract
After two years since the outbreak, the COVID-19 pandemic remains a global public health emergency. SARS-CoV-2 variants with substitutions on the spike (S) protein emerge increasing the risk of immune evasion and cross-species transmission. Here, we analyzed the evolution of the S protein as recorded in 276,712 samples collected before the start of vaccination efforts. Our analysis shows that most variants destabilize the S protein trimer, increase its conformational heterogeneity and improve the odds of the recognition by the host cell receptor. Most frequent substitutions promote overall hydrophobicity by replacing charged amino acids, reducing stabilizing local interactions in the unbound S protein trimer. Moreover, our results identify "forbidden" regions that rarely show any sequence variation, and which are related to conformational changes occurring upon fusion. These results are significant for understanding the structure and function of SARS-CoV-2 related proteins which is a critical step in vaccine development and epidemiological surveillance.
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Affiliation(s)
- Marija Sorokina
- Institute of Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3, 06120 Halle/Saale, Germany,RGCC International GmbH, Baarerstrasse 95, Zug 6300, Switzerland,BioSolutions GmbH, Weinbergweg 22, 06120 Halle/Saale, Germany
| | - Jaydeep Belapure
- Interdisciplinary Research Center HALOmem, Charles Tanford Protein Center, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120 Halle/Saale, Germany
| | - Christian Tüting
- Interdisciplinary Research Center HALOmem, Charles Tanford Protein Center, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120 Halle/Saale, Germany
| | - Reinhard Paschke
- BioSolutions GmbH, Weinbergweg 22, 06120 Halle/Saale, Germany,Biozentrum, Martin Luther University Halle-Wittenberg, Weinbergweg 22, 06120 Halle/Saale, Germany
| | | | | | - Panagiotis L. Kastritis
- Institute of Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3, 06120 Halle/Saale, Germany,Interdisciplinary Research Center HALOmem, Charles Tanford Protein Center, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120 Halle/Saale, Germany,Biozentrum, Martin Luther University Halle-Wittenberg, Weinbergweg 22, 06120 Halle/Saale, Germany,Corresponding author at: Institute of Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3, 06120 Halle/Saale, Germany
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20
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Rutherford C, Kafle P, Soos C, Epp T, Bradford L, Jenkins E. Investigating SARS-CoV-2 Susceptibility in Animal Species: A Scoping Review. ENVIRONMENTAL HEALTH INSIGHTS 2022; 16:11786302221107786. [PMID: 35782319 PMCID: PMC9247998 DOI: 10.1177/11786302221107786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
In the early stages of response to the SARS-CoV-2 pandemic, it was imperative for researchers to rapidly determine what animal species may be susceptible to the virus, under low knowledge and high uncertainty conditions. In this scoping review, the animal species being evaluated for SARS-CoV-2 susceptibility, the methods used to evaluate susceptibility, and comparing the evaluations between different studies were conducted. Using the PRISMA-ScR methodology, publications and reports from peer-reviewed and gray literature sources were collected from databases, Google Scholar, the World Organization for Animal Health (OIE), snowballing, and recommendations from experts. Inclusion and relevance criteria were applied, and information was subsequently extracted, categorized, summarized, and analyzed. Ninety seven sources (publications and reports) were identified which investigated 649 animal species from eight different classes: Mammalia, Aves, Actinopterygii, Reptilia, Amphibia, Insecta, Chondrichthyes, and Coelacanthimorpha. Sources used four different methods to evaluate susceptibility, in silico, in vitro, in vivo, and epidemiological analysis. Along with the different methods, how each source described "susceptibility" and evaluated the susceptibility of different animal species to SARS-CoV-2 varied, with conflicting susceptibility evaluations evident between different sources. Early in the pandemic, in silico methods were used the most to predict animal species susceptibility to SARS-CoV-2 and helped guide more costly and intensive studies using in vivo or epidemiological analyses. However, the limitations of all methods must be recognized, and evaluations made by in silico and in vitro should be re-evaluated when more information becomes available, such as demonstrated susceptibility through in vivo and epidemiological analysis.
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Affiliation(s)
- Connor Rutherford
- School of Public Health, University of
Saskatchewan, Saskatoon, SK, Canada
| | - Pratap Kafle
- Department of Veterinary Microbiology,
Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK,
Canada
- Department of Veterinary Biomedical
Sciences, Long Island University Post Campus, Brookville, NY, USA
| | - Catherine Soos
- Ecotoxicology and Wildlife Health
Division, Science & Technology Branch, Environment and Climate Change Canada,
Saskatoon, SK, Canada
- Department of Veterinary Pathology,
Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK,
Canada
| | - Tasha Epp
- Department of Large Animal Clinical
Sciences, Western College of Veterinary Medicine, University of Saskatchewan,
Saskatoon, SK, Canada
| | - Lori Bradford
- Ron and Jane Graham School of
Professional Development, College of Engineering, and School of Environment and
Sustainability, University of Saskatchewan, Saskatoon, SK, Canada
| | - Emily Jenkins
- Department of Veterinary Microbiology,
Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK,
Canada
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21
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Rathod NB, Elabed N, Özogul F, Regenstein JM, Galanakis CM, Aljaloud SO, Ibrahim SA. The Impact of COVID-19 Pandemic on Seafood Safety and Human Health. Front Microbiol 2022; 13:875164. [PMID: 35814679 PMCID: PMC9257084 DOI: 10.3389/fmicb.2022.875164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 05/23/2022] [Indexed: 11/13/2022] Open
Abstract
The coronavirus disease (COVID-19) pandemic caused several negative impacts on global human health and the world’s economy. Food and seafood safety and security were among the principal challenges and causes of concern for the food industry and consumers during the spread of this global pandemic. This article focused on the effects of COVID-19 pandemic on potential safety issues with seafood products and their processing methods. Moreover, the potential impacts of coronavirus transmission through seafood on human health were evaluated. The role of authenticity, traceability, and antimicrobials from natural sources to preserve seafood and the possible interaction of functional foods on the human immune system are also discussed. Although seafood is not considered a principal vector of SARS-CoV-2 transmission, the possible infections through contaminated surfaces of such food products cannot be neglected. The positive effects of seafood consumption on possible immunity built up, and COVID-19 are also summarized.
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Affiliation(s)
- Nikheel Bhojraj Rathod
- Department of Post Harvest Management of Meat, Poultry and Fish, Post-graduate Institute of Post-harvest Management (Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth), Raigad, India
| | - Nariman Elabed
- Laboratory of Protein Engineering and Bioactive Molecules (LIP-MB), National Institute of Applied Sciences and Technology (INSAT), University of Carthage, Carthage, Tunisia
| | - Fatih Özogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Turkey
- *Correspondence: Fatih Özogul,
| | - Joe M. Regenstein
- Department of Food Science, Cornell University, Ithaca, NY, United States
| | - Charis M. Galanakis
- Research and Innovation Department, Galanakis Laboratories, Chania, Greece
- Food Waste Recovery Group, ISEKI Food Association, Vienna, Austria
| | - Sulaiman Omar Aljaloud
- College of Sports Science and Physical Activity, King Saud University, Riyadh, Saudi Arabia
| | - Salam A. Ibrahim
- Food Microbiology and Biotechnology Laboratory, 171 Carver Hall, College of Agriculture and Environmental Sciences, North Carolina A & T State University, Greensboro, NC, United States
- Salam A. Ibrahim,
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22
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Balloux F, Tan C, Swadling L, Richard D, Jenner C, Maini M, van Dorp L. The past, current and future epidemiological dynamic of SARS-CoV-2. OXFORD OPEN IMMUNOLOGY 2022; 3:iqac003. [PMID: 35872966 PMCID: PMC9278178 DOI: 10.1093/oxfimm/iqac003] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/11/2022] [Accepted: 06/15/2022] [Indexed: 02/07/2023] Open
Abstract
SARS-CoV-2, the agent of the COVID-19 pandemic, emerged in late 2019 in China, and rapidly spread throughout the world to reach all continents. As the virus expanded in its novel human host, viral lineages diversified through the accumulation of around two mutations a month on average. Different viral lineages have replaced each other since the start of the pandemic, with the most successful Alpha, Delta and Omicron variants of concern (VoCs) sequentially sweeping through the world to reach high global prevalence. Neither Alpha nor Delta was characterized by strong immune escape, with their success coming mainly from their higher transmissibility. Omicron is far more prone to immune evasion and spread primarily due to its increased ability to (re-)infect hosts with prior immunity. As host immunity reaches high levels globally through vaccination and prior infection, the epidemic is expected to transition from a pandemic regime to an endemic one where seasonality and waning host immunization are anticipated to become the primary forces shaping future SARS-CoV-2 lineage dynamics. In this review, we consider a body of evidence on the origins, host tropism, epidemiology, genomic and immunogenetic evolution of SARS-CoV-2 including an assessment of other coronaviruses infecting humans. Considering what is known so far, we conclude by delineating scenarios for the future dynamic of SARS-CoV-2, ranging from the good-circulation of a fifth endemic 'common cold' coronavirus of potentially low virulence, the bad-a situation roughly comparable with seasonal flu, and the ugly-extensive diversification into serotypes with long-term high-level endemicity.
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Affiliation(s)
- François Balloux
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
| | - Cedric Tan
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
- Genome Institute of Singapore, Agency for Science, Technology and Research (A*STAR), 138672 Singapore, Singapore
| | - Leo Swadling
- Division of Infection and Immunity, University College London, London NW3 2PP, UK
| | - Damien Richard
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
- Division of Infection and Immunity, University College London, London NW3 2PP, UK
| | - Charlotte Jenner
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
| | - Mala Maini
- Division of Infection and Immunity, University College London, London NW3 2PP, UK
| | - Lucy van Dorp
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
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23
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COVID-19 infection and thyroid function. ENDOCRINE AND METABOLIC SCIENCE 2022; 7:100122. [PMID: 35971501 PMCID: PMC9365515 DOI: 10.1016/j.endmts.2022.100122] [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: 04/02/2022] [Revised: 07/23/2022] [Accepted: 07/30/2022] [Indexed: 11/22/2022] Open
Abstract
Context Patients and methods Results Conclusion
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Tan CCS, Lam SD, Richard D, Owen CJ, Berchtold D, Orengo C, Nair MS, Kuchipudi SV, Kapur V, van Dorp L, Balloux F. Transmission of SARS-CoV-2 from humans to animals and potential host adaptation. Nat Commun 2022; 13:2988. [PMID: 35624123 PMCID: PMC9142586 DOI: 10.1038/s41467-022-30698-6] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/13/2022] [Indexed: 12/16/2022] Open
Abstract
SARS-CoV-2, the causative agent of the COVID-19 pandemic, can infect a wide range of mammals. Since its spread in humans, secondary host jumps of SARS-CoV-2 from humans to multiple domestic and wild populations of mammals have been documented. Understanding the extent of adaptation to these animal hosts is critical for assessing the threat that the spillback of animal-adapted SARS-CoV-2 into humans poses. We compare the genomic landscapes of SARS-CoV-2 isolated from animal species to that in humans, profiling the mutational biases indicative of potentially different selective pressures in animals. We focus on viral genomes isolated from mink (Neovison vison) and white-tailed deer (Odocoileus virginianus) for which multiple independent outbreaks driven by onward animal-to-animal transmission have been reported. We identify five candidate mutations for animal-specific adaptation in mink (NSP9_G37E, Spike_F486L, Spike_N501T, Spike_Y453F, ORF3a_L219V), and one in deer (NSP3a_L1035F), though they appear to confer a minimal advantage for human-to-human transmission. No considerable changes to the mutation rate or evolutionary trajectory of SARS-CoV-2 has resulted from circulation in mink and deer thus far. Our findings suggest that minimal adaptation was required for onward transmission in mink and deer following human-to-animal spillover, highlighting the ‘generalist’ nature of SARS-CoV-2 as a mammalian pathogen. Here, Tan et al. find that the rapid spread of SARS-CoV-2 in mink and deer required minimal adaptation, has only caused moderate changes to the evolutionary trajectory of the virus, and has not led to viral mutations that greatly improve human transmission thus far.
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Affiliation(s)
- Cedric C S Tan
- UCL Genetics Institute, University College London, London, UK. .,Genome Institute of Singapore, A*STAR, Singapore, Singapore.
| | - Su Datt Lam
- Department of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia.,Department of Structural and Molecular Biology, University College London, London, UK
| | - Damien Richard
- UCL Genetics Institute, University College London, London, UK.,Division of Infection and Immunity, University College London, London, UK
| | | | | | - Christine Orengo
- Department of Structural and Molecular Biology, University College London, London, UK
| | - Meera Surendran Nair
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, PA, Pennsylvania, USA.,Huck Institutes of the Life Sciences, The Pennsylvania State University, PA, Pennsylvania, USA
| | - Suresh V Kuchipudi
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, PA, Pennsylvania, USA.,Huck Institutes of the Life Sciences, The Pennsylvania State University, PA, Pennsylvania, USA
| | - Vivek Kapur
- Huck Institutes of the Life Sciences, The Pennsylvania State University, PA, Pennsylvania, USA.,Department of Animal Science, The Pennsylvania State University, PA, Pennsylvania, USA
| | - Lucy van Dorp
- UCL Genetics Institute, University College London, London, UK
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Thyrotoxicosis occurrence in SARS-CoV-2 infection: A case report. Ann Med Surg (Lond) 2022; 78:103700. [PMID: 35505686 PMCID: PMC9050609 DOI: 10.1016/j.amsu.2022.103700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/22/2022] [Accepted: 04/25/2022] [Indexed: 12/05/2022] Open
Abstract
Introduction Coronavirus Disease 2019 (COVID-19) is predominantly manifested as respiratory distress. There are growing reports of extrapulmonary clinical manifestations of COVID-19 in addition to the respiratory symptoms. COVID-19 has been associated with the thyroid function through Angiotensin-converting enzyme 2 (ACE2), the central mechanism through Thyroid Stimulating Hormone (TSH), and direct replication of the virus. Case presentation A 26-year-old woman presented with complaints of palpitation and abdominal pain for three days. Because the symptoms were worsening, she was brought to the emergency room. Her temperature was 37.9 °C without any symptoms of cough, coryza, sneezing, nor headache. Physical examination revealed tremor, tachycardia with 162 beats per minute (bpm), excessive sweating, hyperreflexia of patellar reflex, and no prominent lump in the neck. Electrocardiography (ECG) showed supraventricular tachycardic rhythm (SVT) and 150 J cardioversions were performed. The ECG converted to sinus rhythm, regular, with 120 bpm. Thyroid function tests showed an elevated fT4 level (>7.77 ng/dL) and low TSH level (<0.005 μIU/mL). Chest X-ray showed slight cardiomegaly without prominent abnormality in the lungs that was confirmed with thoracic computerized tomography. The result of the rapid antigen test for COVID-19 was positive and confirmed with polymerase chain reaction testing. She was then treated in the intensive isolation room with remdesivir, anti-hyperthyroid, and supportive therapy. As her condition improved, she was shifted to a non-intensive isolation room and was discharged from the hospital at day 7. Discussion COVID-19 could present as a thyroid crisis as the initial clinical manifestation. Clinicians should be aware that presentation of thyroid dysfunction in a patient without previous endocrine disease could be due to COVID-19 infection. Early recognition, anti-hyperthyroid therapy, and following isolation procedures for COVID-19 are required in the emergency condition. Thyroid crisis could be associated with COVID-19 infection. Extra-respiratory manifestations of COVID-19 infection vary among patients. Clinicians should be aware of thyroid crisis as a COVID-19 infection manifestation.
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FERCHICHI S, FATNASSI N, DHAOUADI A, ATTIA EL HILI H. [The hazards of SARS-COV-2 for aquatic ecosystems]. MEDECINE TROPICALE ET SANTE INTERNATIONALE 2022; 2:mtsi.v2i1.2022.228. [PMID: 35685840 PMCID: PMC9128476 DOI: 10.48327/mtsi.v2i1.2022.228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 02/14/2022] [Indexed: 11/24/2022]
Abstract
Introduction The current COVID-19 pandemic is due to a new emerging coronavirus SARS-CoV-2, belonging to the Coronaviridae family and to the Orthocoronavirinae subfamily. This virus was first reported in December 2019 in China. Although reported by several countries in several animal species, COVID-19 is a disease transmitted from human to human. Moreover, SARS-CoV-2 virus and its RNA were detected in body excretions besides saliva, such as urine and fecal matter discharged into sewage. Bibliographic review Within this framework, this article aims to synthesize the bibliographical reviews on SARS-CoV-2 in aquatic environment. It will underline the generalities on SARS-CoV-2, the possible sources of potential contaminations of SARS-CoV-2 in water environment, the viability of SARS-CoV-2 in aquatic environment, the receptive species and the impacts of SARS-CoV-2 on the aquatic ecosystems. Conclusion We compile key information about SARS-CoV-2 that are considered important to remember and highlight the importance of further research in this area in order to assess the hazards of SARS-CoV-2 on aquatic ecosystems.
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Affiliation(s)
- Salma FERCHICHI
- Centre national de veille zoosanitaire, 33 avenue Charles Nicolle, Tunis, Tunisie
| | - Naouel FATNASSI
- Centre national de veille zoosanitaire, 33 avenue Charles Nicolle, Tunis, Tunisie
| | - Anissa DHAOUADI
- Centre national de veille zoosanitaire, 33 avenue Charles Nicolle, Tunis, Tunisie
| | - Hédia ATTIA EL HILI
- Centre national de veille zoosanitaire, 33 avenue Charles Nicolle, Tunis, Tunisie
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Da Costa CBP, Cruz ACDM, Penha JCQ, Castro HC, Da Cunha LER, Ratcliffe NA, Cisne R, Martins FJ. Using in vivo animal models for studying SARS-CoV-2. Expert Opin Drug Discov 2022; 17:121-137. [PMID: 34727803 PMCID: PMC8567288 DOI: 10.1080/17460441.2022.1995352] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 10/15/2021] [Indexed: 12/23/2022]
Abstract
INTRODUCTION The search for an animal model capable of reproducing the physiopathology of the COVID-19, and also suitable for evaluating the efficacy and safety of new drugs has become a challenge for many researchers. AREAS COVERED This work reviews the current animal models for in vivo tests with SARS-CoV-2 as well as the challenges involved in the safety and efficacy trials. EXPERT OPINION Studies have reported the use of nonhuman primates, ferrets, mice, Syrian hamsters, lagomorphs, mink, and zebrafish in experiments that aimed to understand the course of COVID-19 or test vaccines and other drugs. In contrast, the assays with animal hyperimmune sera have only been used in in vitro assays. Finding an animal that faithfully reproduces all the characteristics of the disease in humans is difficult. Some models may be more complex to work with, such as monkeys, or require genetic manipulation so that they can express the human ACE2 receptor, as in the case of mice. Although some models are more promising, possibly the use of more than one animal model represents the best scenario. Therefore, further studies are needed to establish an ideal animal model to help in the development of other treatment strategies besides vaccines.
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Affiliation(s)
- Camila B. P. Da Costa
- Technological Development and Innovation Laboratory of the Industrial Board, Instituto Vital Brazil, Rio De Janeiro, Brazil
- Programa de Pós-graduação em Ciências e Biotecnologia, IB, UFF, Rio de Janeiro, Brazil
| | | | - Julio Cesar Q Penha
- Programa de Pós-graduação em Ciências e Biotecnologia, IB, UFF, Rio de Janeiro, Brazil
| | - Helena C Castro
- Programa de Pós-graduação em Ciências e Biotecnologia, IB, UFF, Rio de Janeiro, Brazil
| | - Luis E. R. Da Cunha
- Technological Development and Innovation Laboratory of the Industrial Board, Instituto Vital Brazil, Rio De Janeiro, Brazil
| | - Norman A Ratcliffe
- Programa de Pós-graduação em Ciências e Biotecnologia, IB, UFF, Rio de Janeiro, Brazil
- Department of Biociences, College of Science, Swansea University, Swansea, UK
| | - Rafael Cisne
- Programa de Pós-graduação em Ciências e Biotecnologia, IB, UFF, Rio de Janeiro, Brazil
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Dinesh Kumar N, ter Ellen BM, Bouma EM, Troost B, van de Pol DPI, van der Ende-Metselaar HH, van Gosliga D, Apperloo L, Carpaij OA, van den Berge M, Nawijn MC, Stienstra Y, Rodenhuis-Zybert IA, Smit JM. Moxidectin and Ivermectin Inhibit SARS-CoV-2 Replication in Vero E6 Cells but Not in Human Primary Bronchial Epithelial Cells. Antimicrob Agents Chemother 2022; 66:e0154321. [PMID: 34633839 PMCID: PMC8765325 DOI: 10.1128/aac.01543-21] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 10/08/2021] [Indexed: 11/20/2022] Open
Abstract
Antiviral therapies are urgently needed to treat and limit the development of severe COVID-19 disease. Ivermectin, a broad-spectrum anti-parasitic agent, has been shown to have anti-SARS-CoV-2 activity in Vero cells at a concentration of 5 μM. These limited in vitro results triggered the investigation of ivermectin as a treatment option to alleviate COVID-19 disease. However, in April 2021, the World Health Organization stated the following: "The current evidence on the use of ivermectin to treat COVID-19 patients is inconclusive." It is speculated that the in vivo concentration of ivermectin is too low to exert a strong antiviral effect. Here, we performed a head-to-head comparison of the antiviral activity of ivermectin and the structurally related, but metabolically more stable moxidectin in multiple in vitro models of SARS-CoV-2 infection, including physiologically relevant human respiratory epithelial cells. Both moxidectin and ivermectin exhibited antiviral activity in Vero E6 cells. Subsequent experiments revealed that these compounds predominantly act on the steps following virus cell entry. Surprisingly, however, in human-airway-derived cell models, both moxidectin and ivermectin failed to inhibit SARS-CoV-2 infection, even at concentrations of 10 μM. These disappointing results call for a word of caution in the interpretation of anti-SARS-CoV-2 activity of drugs solely based on their activity in Vero cells. Altogether, these findings suggest that even using a high-dose regimen of ivermectin, or switching to another drug in the same class, is unlikely to be useful for treatment of SARS-CoV-2 in humans.
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Affiliation(s)
- Nilima Dinesh Kumar
- Department of Biomedical Sciences of Cells & Systems, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Bram M. ter Ellen
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Ellen M. Bouma
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Berit Troost
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Denise P. I. van de Pol
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Heidi H. van der Ende-Metselaar
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Djoke van Gosliga
- Department of Pediatrics, Beatrix Children’s Hospital, University Medical Center Groningen, University of Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Leonie Apperloo
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Orestes A. Carpaij
- Department of Pulmonary Diseases, University Medical Center Groningen, University of Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Maarten van den Berge
- Department of Pulmonary Diseases, University Medical Center Groningen, University of Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Martijn C. Nawijn
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Ymkje Stienstra
- Department of Internal Medicine/Infectious Diseases, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Izabela A. Rodenhuis-Zybert
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jolanda M. Smit
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Zepeda-Cervantes J, Martínez-Flores D, Ramírez-Jarquín JO, Tecalco-Cruz ÁC, Alavez-Pérez NS, Vaca L, Sarmiento-Silva RE. Implications of the Immune Polymorphisms of the Host and the Genetic Variability of SARS-CoV-2 in the Development of COVID-19. Viruses 2022; 14:94. [PMID: 35062298 PMCID: PMC8778858 DOI: 10.3390/v14010094] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/22/2021] [Accepted: 12/28/2021] [Indexed: 01/08/2023] Open
Abstract
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is responsible for the current pandemic affecting almost all countries in the world. SARS-CoV-2 is the agent responsible for coronavirus disease 19 (COVID-19), which has claimed millions of lives around the world. In most patients, SARS-CoV-2 infection does not cause clinical signs. However, some infected people develop symptoms, which include loss of smell or taste, fever, dry cough, headache, severe pneumonia, as well as coagulation disorders. The aim of this work is to report genetic factors of SARS-CoV-2 and host-associated to severe COVID-19, placing special emphasis on the viral entry and molecules of the immune system involved with viral infection. Besides this, we analyze SARS-CoV-2 variants and their structural characteristics related to the binding to polymorphic angiotensin-converting enzyme type 2 (ACE2). Additionally, we also review other polymorphisms as well as some epigenetic factors involved in the immunopathogenesis of COVID-19. These factors and viral variability could explain the increment of infection rate and/or in the development of severe COVID-19.
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Affiliation(s)
- Jesús Zepeda-Cervantes
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Daniel Martínez-Flores
- Departamento de Biología Celular y del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Josué Orlando Ramírez-Jarquín
- Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Ángeles C. Tecalco-Cruz
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México (UACM), Mexico City 06720, Mexico;
| | - Noé Santiago Alavez-Pérez
- Escuela Nacional de Medicina y Homeopatía, Instituto Politécnico Nacional, Mexico City 07340, Mexico;
| | - Luis Vaca
- Departamento de Biología Celular y del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Rosa Elena Sarmiento-Silva
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
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Zhang Z, Fang T, Lv Y. Causal associations between thyroid dysfunction and COVID-19 susceptibility and severity: A bidirectional Mendelian randomization study. Front Endocrinol (Lausanne) 2022; 13:961717. [PMID: 36147565 PMCID: PMC9485491 DOI: 10.3389/fendo.2022.961717] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 08/15/2022] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Observational studies have reported an association between coronavirus disease 2019 (COVID-19) risk and thyroid dysfunction, but without a clear causal relationship. We attempted to evaluate the association between thyroid function and COVID-19 risk using a bidirectional two-sample Mendelian randomization (MR) analysis. METHODS Summary statistics on the characteristics of thyroid dysfunction (hypothyroidism and hyperthyroidism) were obtained from the ThyroidOmics Consortium. Genome-wide association study statistics for COVID-19 susceptibility and its severity were obtained from the COVID-19 Host Genetics Initiative, and severity phenotypes included hospitalization and very severe disease in COVID-19 participants. The inverse variance-weighted (IVW) method was used as the primary analysis method, supplemented by the weighted-median (WM), MR-Egger, and MR-PRESSO methods. Results were adjusted for Bonferroni correction thresholds. RESULTS The forward MR estimates show no effect of thyroid dysfunction on COVID-19 susceptibility and severity. The reverse MR found that COVID-19 susceptibility was the suggestive risk factor for hypothyroidism (IVW: OR = 1.577, 95% CI = 1.065-2.333, P = 0.022; WM: OR = 1.527, 95% CI = 1.042-2.240, P = 0.029), and there was lightly association between COVID-19 hospitalized and hypothyroidism (IVW: OR = 1.151, 95% CI = 1.004-1.319, P = 0.042; WM: OR = 1.197, 95% CI = 1.023-1.401, P = 0.023). There was no evidence supporting the association between any phenotype of COVID-19 and hyperthyroidism. CONCLUSION Our results identified that COVID-19 might be the potential risk factor for hypothyroidism. Therefore, patients infected with SARS-CoV-2 should strengthen the monitoring of thyroid function.
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Affiliation(s)
- Zhihao Zhang
- Department of Thyroid Breast Surgery, Xi’an NO.3 Hospital, the Affiliated Hospital of Northwest University, Xi'an, China
| | - Tian Fang
- Department of Medical Oncology, Cancer Center, West China Hospital of Sichuan University, Chengdu, China
| | - Yonggang Lv
- Department of Thyroid Breast Surgery, Xi’an NO.3 Hospital, the Affiliated Hospital of Northwest University, Xi'an, China
- *Correspondence: Yonggang Lv,
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A Review on Evolution of Emerging SARS-CoV-2 Variants based on Spike Glycoprotein. Int Immunopharmacol 2022; 105:108565. [PMID: 35123183 PMCID: PMC8799522 DOI: 10.1016/j.intimp.2022.108565] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 12/30/2022]
Abstract
Since the inception of SARS-CoV-2 in December 2019, many variants have emerged over time. Some of these variants have resulted in transmissibility changes of the virus and may also have impact on diagnosis, therapeutics and even vaccines, thereby raising particular concerns in the scientific community. The variants which have mutations in Spike glycoprotein are the primary focus as it is the main target for neutralising antibodies. SARS-CoV-2 is known to infect human through Spike glycoprotein and uses receptor-binding domain (RBD) to bind to the ACE2 receptor in human. Thus, it is of utmost importance to study these variants and their corresponding mutations. Such 12 different important variants identified so far are B.1.1.7 (Alpha), B.1.351 (Beta), B.1.525 (Eta), B.1.427/B.1.429 (Epsilon), B.1.526 (Iota), B.1.617.1 (Kappa), B.1.617.2 (Delta), C.37 (Lambda), P.1 (Gamma), P.2 (Zeta), P.3 (Theta) and the recently discovered B.1.1.529 (Omicron). These variants have 84 unique mutations in Spike glycoprotein. To analyse such mutations, multiple sequence alignment of 77681 SARS-CoV-2 genomes of 98 countries over the period from January 2020 to July 2021 is performed followed by phylogenetic analysis. Also, characteristics of new emerging variants are elaborately discussed. The individual evolution of these mutation points and the respective variants are visualised and their characteristics are also reported. Moreover, to judge the characteristics of the non-synonymous mutation points (substitutions), their biological functions are evaluated by PolyPhen-2 while protein structural stability is evaluated using I-Mutant 2.0.
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Emrani J, Ahmed M, Jeffers-Francis L, Teleha JC, Mowa N, Newman RH, Thomas MD. SARS-COV-2, infection, transmission, transcription, translation, proteins, and treatment: A review. Int J Biol Macromol 2021; 193:1249-1273. [PMID: 34756970 PMCID: PMC8552795 DOI: 10.1016/j.ijbiomac.2021.10.172] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 10/21/2021] [Indexed: 01/18/2023]
Abstract
In this review, we describe the key molecular entities involved in the process of infection by SARS-CoV-2, while also detailing how those key entities influence the spread of the disease. We further introduce the molecular mechanisms of preventive and treatment strategies including drugs, antibodies, and vaccines.
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Affiliation(s)
- Jahangir Emrani
- Department of Chemistry, North Carolina A&T State University, Greensboro, NC 27411, United States of America.
| | - Maryam Ahmed
- Department of Biology, Appalachian State University, Boone, NC 28608, United States of America
| | - Liesl Jeffers-Francis
- Department of Biology, North Carolina A&T State University, Greensboro, NC 27411, United States of America
| | - John C Teleha
- Department of Reference and Instruction, North Carolina A&T State University, Greensboro, NC 27411, United States of America
| | - Nathan Mowa
- Department of Biology, Appalachian State University, Boone, NC 28608, United States of America
| | - Robert H Newman
- Department of Biology, North Carolina A&T State University, Greensboro, NC 27411, United States of America
| | - Misty D Thomas
- Department of Biology, North Carolina A&T State University, Greensboro, NC 27411, United States of America
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Wei C, Shan KJ, Wang W, Zhang S, Huan Q, Qian W. Evidence for a mouse origin of the SARS-CoV-2 Omicron variant. J Genet Genomics 2021; 48:1111-1121. [PMID: 34954396 PMCID: PMC8702434 DOI: 10.1016/j.jgg.2021.12.003] [Citation(s) in RCA: 142] [Impact Index Per Article: 47.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 12/20/2021] [Accepted: 12/20/2021] [Indexed: 12/12/2022]
Abstract
The rapid accumulation of mutations in the SARS-CoV-2 Omicron variant that enabled its outbreak raises questions as to whether its proximal origin occurred in humans or another mammalian host. Here, we identified 45 point mutations that Omicron acquired since divergence from the B.1.1 lineage. We found that the Omicron spike protein sequence was subjected to stronger positive selection than that of any reported SARS-CoV-2 variants known to evolve persistently in human hosts, suggesting a possibility of host-jumping. The molecular spectrum of mutations (i.e., the relative frequency of the 12 types of base substitutions) acquired by the progenitor of Omicron was significantly different from the spectrum for viruses that evolved in human patients but resembled the spectra associated with virus evolution in a mouse cellular environment. Furthermore, mutations in the Omicron spike protein significantly overlapped with SARS-CoV-2 mutations known to promote adaptation to mouse hosts, particularly through enhanced spike protein binding affinity for the mouse cell entry receptor. Collectively, our results suggest that the progenitor of Omicron jumped from humans to mice, rapidly accumulated mutations conducive to infecting that host, then jumped back into humans, indicating an inter-species evolutionary trajectory for the Omicron outbreak.
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Affiliation(s)
- Changshuo Wei
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ke-Jia Shan
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weiguang Wang
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shuya Zhang
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qing Huan
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Beijing 100101, China.
| | - Wenfeng Qian
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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Fischhoff IR, Castellanos AA, Rodrigues JPGLM, Varsani A, Han BA. Predicting the zoonotic capacity of mammals to transmit SARS-CoV-2. Proc Biol Sci 2021; 288:20211651. [PMID: 34784766 PMCID: PMC8596006 DOI: 10.1098/rspb.2021.1651] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/25/2021] [Indexed: 12/13/2022] Open
Abstract
Back and forth transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) between humans and animals will establish wild reservoirs of virus that endanger long-term efforts to control COVID-19 in people and to protect vulnerable animal populations. Better targeting surveillance and laboratory experiments to validate zoonotic potential requires predicting high-risk host species. A major bottleneck to this effort is the few species with available sequences for angiotensin-converting enzyme 2 receptor, a key receptor required for viral cell entry. We overcome this bottleneck by combining species' ecological and biological traits with three-dimensional modelling of host-virus protein-protein interactions using machine learning. This approach enables predictions about the zoonotic capacity of SARS-CoV-2 for greater than 5000 mammals-an order of magnitude more species than previously possible. Our predictions are strongly corroborated by in vivo studies. The predicted zoonotic capacity and proximity to humans suggest enhanced transmission risk from several common mammals, and priority areas of geographic overlap between these species and global COVID-19 hotspots. With molecular data available for only a small fraction of potential animal hosts, linking data across biological scales offers a conceptual advance that may expand our predictive modelling capacity for zoonotic viruses with similarly unknown host ranges.
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Affiliation(s)
- Ilya R. Fischhoff
- Cary Institute of Ecosystem Studies, Box AB Millbrook, NY 12545, USA
| | | | | | - Arvind Varsani
- The Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
- Structural Biology Research Unit, Department of Integrative Biomedical Sciences, University of Cape Town, 7700 Cape Town, Rondebosch, South Africa
| | - Barbara A. Han
- Cary Institute of Ecosystem Studies, Box AB Millbrook, NY 12545, USA
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Pearce SC, Suntornsaratoon P, Kishida K, Al‐Jawadi A, Guardia J, Nadler I, Flores J, Shiarella R, Auvinen M, Yu S, Gao N, Ferraris RP. Expression of SARS-CoV-2 entry factors, electrolyte, and mineral transporters in different mouse intestinal epithelial cell types. Physiol Rep 2021; 9:e15061. [PMID: 34755492 PMCID: PMC8578880 DOI: 10.14814/phy2.15061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/03/2021] [Accepted: 09/13/2021] [Indexed: 11/24/2022] Open
Abstract
Angiotensin-converting enzyme 2 (ACE2) and transmembrane proteases (TMPRSS) are multifunctional proteins required for SARS-CoV-2 infection or for amino acid (AA) transport, and are abundantly expressed in mammalian small intestine, but the identity of the intestinal cell type(s) and sites of expression are unclear. Here we determined expression of SARS-CoV-2 entry factors in different cell types and then compared it to that of representative AA, electrolyte, and mineral transporters. We tested the hypothesis that SARS-CoV-2, AA, electrolyte, and mineral transporters are expressed heterogeneously in different intestinal cell types by making mouse enteroids enriched in enterocytes (ENT), goblet (GOB), Paneth (PAN), or stem (ISC) cells. Interestingly, the expression of ACE2 was apical and modestly greater in ENT, the same pattern observed for its associated AA transporters B0 AT1 and SIT1. TMPRSS2 and TMPRSS4 were more highly expressed in crypt-residing ISC. Expression of electrolyte transporters was dramatically heterogeneous. DRA, NBCe1, and NHE3 were greatest in ENT, while those of CFTR and NKCC1 that play important roles in secretory diarrhea, were mainly expressed in ISC and PAN that also displayed immunohistochemically abundant basolateral NKCC1. Intestinal iron transporters were generally expressed higher in ENT and GOB, while calcium transporters were expressed mainly in PAN. Heterogeneous expression of its entry factors suggests that the ability of SARS-CoV-2 to infect the intestine may vary with cell type. Parallel cell-type expression patterns of ACE2 with B0 AT1 and SIT1 provides further evidence of ACE2's multifunctional properties and importance in AA absorption.
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Affiliation(s)
- Sarah C. Pearce
- Department of Pharmacology, Physiology and NeurosciencesNew Jersey Medical SchoolRutgers UniversityNewarkNew JerseyUSA
- Present address:
USDA‐ARS National Laboratory for Agriculture and the Environment1015 N. University Blvd.AmesIowa50011USA
| | - Panan Suntornsaratoon
- Department of Pharmacology, Physiology and NeurosciencesNew Jersey Medical SchoolRutgers UniversityNewarkNew JerseyUSA
- Department of Physiology, Faculty of ScienceMahidol UniversityBangkokThailand
| | - Kunihiro Kishida
- Department of Pharmacology, Physiology and NeurosciencesNew Jersey Medical SchoolRutgers UniversityNewarkNew JerseyUSA
- Present address:
Department of Science and Technology on Food SafetyKindai UniversityWakayama649‐6493Japan
| | - Arwa Al‐Jawadi
- Department of Pharmacology, Physiology and NeurosciencesNew Jersey Medical SchoolRutgers UniversityNewarkNew JerseyUSA
- Present address:
Thermo Fisher Scientific5823 Newton DriveCarlsbadCalifornia92008USA
| | - Joshua Guardia
- Department of Pharmacology, Physiology and NeurosciencesNew Jersey Medical SchoolRutgers UniversityNewarkNew JerseyUSA
| | - Ian Nadler
- Department of Pharmacology, Physiology and NeurosciencesNew Jersey Medical SchoolRutgers UniversityNewarkNew JerseyUSA
| | - Juan Flores
- Department of Biological SciencesLife Science CenterRutgers UniversityNewarkNew JerseyUSA
| | - Reilly Shiarella
- Department of Pharmacology, Physiology and NeurosciencesNew Jersey Medical SchoolRutgers UniversityNewarkNew JerseyUSA
| | - Madelyn Auvinen
- Department of Pharmacology, Physiology and NeurosciencesNew Jersey Medical SchoolRutgers UniversityNewarkNew JerseyUSA
| | - Shiyan Yu
- Department of Biological SciencesLife Science CenterRutgers UniversityNewarkNew JerseyUSA
| | - Nan Gao
- Department of Biological SciencesLife Science CenterRutgers UniversityNewarkNew JerseyUSA
| | - Ronaldo P. Ferraris
- Department of Pharmacology, Physiology and NeurosciencesNew Jersey Medical SchoolRutgers UniversityNewarkNew JerseyUSA
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Diversity of ACE2 and its interaction with SARS-CoV-2 receptor binding domain. Biochem J 2021; 478:3671-3684. [PMID: 34558627 DOI: 10.1042/bcj20200908] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 09/22/2021] [Accepted: 09/24/2021] [Indexed: 12/13/2022]
Abstract
COVID-19, the clinical syndrome caused by the SARS-CoV-2 virus, has rapidly spread globally causing hundreds of millions of infections and over two million deaths. The potential animal reservoirs for SARS-CoV-2 are currently unknown, however sequence analysis has provided plausible potential candidate species. SARS-CoV-2 binds to the angiotensin I converting enzyme 2 (ACE2) to enable its entry into host cells and establish infection. We analyzed the binding surface of ACE2 from several important animal species to begin to understand the parameters for the ACE2 recognition by the SARS-CoV-2 spike protein receptor binding domain (RBD). We employed Shannon entropy analysis to determine the variability of ACE2 across its sequence and particularly in its RBD interacting region, and assessed differences between various species' ACE2 and human ACE2. Recombinant ACE2 from human, hamster, horseshoe bat, cat, ferret, and cow were evaluated for RBD binding. A gradient of binding affinities were seen where human and hamster ACE2 were similarly in the low nanomolar range, followed by cat and cow. Surprisingly, horseshoe bat (Rhinolophus sinicus) and ferret (Mustela putorius) ACE2s had poor binding activity compared with the other species' ACE2. The residue differences and binding properties between the species' variants provide a framework for understanding ACE2-RBD binding and virus tropism.
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Meekins DA, Gaudreault NN, Richt JA. Natural and Experimental SARS-CoV-2 Infection in Domestic and Wild Animals. Viruses 2021; 13:1993. [PMID: 34696423 PMCID: PMC8540328 DOI: 10.3390/v13101993] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 09/22/2021] [Accepted: 09/24/2021] [Indexed: 12/15/2022] Open
Abstract
SARS-CoV-2 is the etiological agent responsible for the ongoing COVID-19 pandemic, which continues to spread with devastating effects on global health and socioeconomics. The susceptibility of domestic and wild animal species to infection is a critical facet of SARS-CoV-2 ecology, since reverse zoonotic spillover events resulting in SARS-CoV-2 outbreaks in animal populations could result in the establishment of new virus reservoirs. Adaptive mutations in the virus to new animal species could also complicate ongoing mitigation strategies to combat SARS-CoV-2. In addition, animal species susceptible to SARS-CoV-2 infection are essential as standardized preclinical models for the development and efficacy testing of vaccines and therapeutics. In this review, we summarize the current findings regarding the susceptibility of different domestic and wild animal species to experimental SARS-CoV-2 infection and provide detailed descriptions of the clinical disease and transmissibility in these animals. In addition, we outline the documented natural infections in animals that have occurred at the human-animal interface. A comprehensive understanding of animal susceptibility to SARS-CoV-2 is crucial to inform public health, veterinary, and agricultural systems, and to guide environmental policies.
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Affiliation(s)
- David A. Meekins
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA; (D.A.M.); (N.N.G.)
- Center of Excellence for Emerging and Zoonotic Animal Diseases (CEEZAD), College of Veterinary Medicine, Kansas State University, Manhattan, KS 66502, USA
| | - Natasha N. Gaudreault
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA; (D.A.M.); (N.N.G.)
- Center of Excellence for Emerging and Zoonotic Animal Diseases (CEEZAD), College of Veterinary Medicine, Kansas State University, Manhattan, KS 66502, USA
| | - Juergen A. Richt
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA; (D.A.M.); (N.N.G.)
- Center of Excellence for Emerging and Zoonotic Animal Diseases (CEEZAD), College of Veterinary Medicine, Kansas State University, Manhattan, KS 66502, USA
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Almehdi AM, Khoder G, Alchakee AS, Alsayyid AT, Sarg NH, Soliman SSM. SARS-CoV-2 spike protein: pathogenesis, vaccines, and potential therapies. Infection 2021; 49:855-876. [PMID: 34339040 PMCID: PMC8326314 DOI: 10.1007/s15010-021-01677-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 07/26/2021] [Indexed: 12/12/2022]
Abstract
PURPOSE COVID-19 pandemic has emerged as a result of infection by the deadly pathogenic severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), causing enormous threats to humans. Coronaviruses are distinguished by a clove-like spike (S) protein, which plays a key role in viral pathogenesis, evolutions, and transmission. The objectives of this study are to investigate the distinctive structural features of SARS-CoV-2 S protein, its essential role in pathogenesis, and its use in the development of potential therapies and vaccines. METHODOLOGY A literature review was conducted to summarize, analyze, and interpret the available scientific data related to SARS-CoV-2 S protein in terms of characteristics, vaccines development and potential therapies. RESULTS The data indicate that S protein subunits and their variable conformational states significantly affect the virus pathogenesis, infectivity, and evolutionary mutation. A considerable number of potential natural and synthetic therapies were proposed based on S protein. Additionally, neutralizing antibodies were recently approved for emergency use. Furthermore, several vaccines utilizing the S protein were developed. CONCLUSION A better understanding of S protein features, structure and mutations facilitate the recognition of the importance of SARS-CoV-2 S protein in viral infection, as well as the development of therapies and vaccines. The efficacy and safety of these therapeutic compounds and vaccines are still controversial. However, they may potentially reduce or prevent SARS-CoV-2 infection, leading to a significant reduction of the global health burden of this pandemic.
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Affiliation(s)
- Ahmed M Almehdi
- College of Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Ghalia Khoder
- College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, UAE
- Research Institute for Medical and Health Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Aminah S Alchakee
- College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Azizeh T Alsayyid
- College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Nadin H Sarg
- College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Sameh S M Soliman
- College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, UAE.
- Research Institute for Medical and Health Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE.
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Efficacy of Chondroprotective Food Supplements Based on Collagen Hydrolysate and Compounds Isolated from Marine Organisms. Mar Drugs 2021; 19:md19100542. [PMID: 34677442 PMCID: PMC8541357 DOI: 10.3390/md19100542] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/23/2021] [Accepted: 09/23/2021] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis belongs to the most common joint diseases in humans and animals and shows increased incidence in older patients. The bioactivities of collagen hydrolysates, sulfated glucosamine and a special fatty acid enriched dog-food were tested in a dog patient study of 52 dogs as potential therapeutic treatment options in early osteoarthritis. Biophysical, biochemical, cell biological and molecular modeling methods support that these well-defined substances may act as effective nutraceuticals. Importantly, the applied collagen hydrolysates as well as sulfated glucosamine residues from marine organisms were strongly supported by both an animal model and molecular modeling of intermolecular interactions. Molecular modeling of predicted interaction dynamics was evaluated for the receptor proteins MMP-3 and ADAMTS-5. These proteins play a prominent role in the maintenance of cartilage health as well as innate and adapted immunity. Nutraceutical data were generated in a veterinary clinical study focusing on mobility and agility. Specifically, key clinical parameter (MMP-3 and TIMP-1) were obtained from blood probes of German shepherd dogs with early osteoarthritis symptoms fed with collagen hydrolysates. Collagen hydrolysate, a chondroprotective food supplement was examined by high resolution NMR experiments. Molecular modeling simulations were used to further characterize the interaction potency of collagen fragments and glucosamines with protein receptor structures. Potential beneficial effects of collagen hydrolysates, sulfated glycans (i.e., sulfated glucosamine from crabs and mussels) and lipids, especially, eicosapentaenoic acid (extracted from fish oil) on biochemical and physiological processes are discussed here in the context of human and veterinary medicine.
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Devaux CA, Pinault L, Delerce J, Raoult D, Levasseur A, Frutos R. Spread of Mink SARS-CoV-2 Variants in Humans: A Model of Sarbecovirus Interspecies Evolution. Front Microbiol 2021; 12:675528. [PMID: 34616371 PMCID: PMC8488371 DOI: 10.3389/fmicb.2021.675528] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 09/03/2021] [Indexed: 01/08/2023] Open
Abstract
The rapid spread of SARS-CoV-2 variants has quickly spanned doubts and the fear about their ability escape vaccine protection. Some of these variants initially identified in caged were also found in humans. The claim that these variants exhibited lower susceptibility to antibody neutralization led to the slaughter of 17 million minks in Denmark. SARS-CoV-2 prevalence tests led to the discovery of infected farmed minks worldwide. In this study, we revisit the issue of the circulation of SARS-CoV-2 variants in minks as a model of sarbecovirus interspecies evolution by: (1) comparing human and mink angiotensin I converting enzyme 2 (ACE2) and neuropilin 1 (NRP-1) receptors; (2) comparing SARS-CoV-2 sequences from humans and minks; (3) analyzing the impact of mutations on the 3D structure of the spike protein; and (4) predicting linear epitope targets for immune response. Mink-selected SARS-CoV-2 variants carrying the Y453F/D614G mutations display an increased affinity for human ACE2 and can escape neutralization by one monoclonal antibody. However, they are unlikely to lose most of the major epitopes predicted to be targets for neutralizing antibodies. We discuss the consequences of these results for the rational use of SARS-CoV-2 vaccines.
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Affiliation(s)
- Christian A. Devaux
- Aix-Marseille Université, IRD, APHM, MEPHI, IHU–Méditerranée Infection, Marseille, France
- CNRS, Marseille, France
- Fondation IHU–Méditerranée Infection, Marseille, France
| | - Lucile Pinault
- Aix-Marseille Université, IRD, APHM, MEPHI, IHU–Méditerranée Infection, Marseille, France
| | - Jérémy Delerce
- Aix-Marseille Université, IRD, APHM, MEPHI, IHU–Méditerranée Infection, Marseille, France
| | - Didier Raoult
- Aix-Marseille Université, IRD, APHM, MEPHI, IHU–Méditerranée Infection, Marseille, France
| | - Anthony Levasseur
- Aix-Marseille Université, IRD, APHM, MEPHI, IHU–Méditerranée Infection, Marseille, France
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Ghorbani A, Samarfard S, Eskandarzade N, Afsharifar A, Eskandari MH, Niazi A, Izadpanah K, Karbanowicz TP. Comparative phylogenetic analysis of SARS-CoV-2 spike protein-possibility effect on virus spillover. Brief Bioinform 2021; 22:bbab144. [PMID: 33885726 PMCID: PMC8083239 DOI: 10.1093/bib/bbab144] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/18/2021] [Indexed: 01/08/2023] Open
Abstract
Coronavirus disease 2019 has developed into a dramatic pandemic with tremendous global impact. The receptor-binding motif (RBM) region of the causative virus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), binds to host angiotensin-converting enzyme 2 (ACE2) receptors for infection. As ACE2 receptors are highly conserved within vertebrate species, SARS-CoV-2 can infect significant animal species as well as human populations. An analysis of SARS-CoV-2 genotypes isolated from human and significant animal species was conducted to compare and identify mutation and adaptation patterns across different animal species. The phylogenetic data revealed seven distinct phylogenetic clades with no significant relationship between the clades and geographical locations. A high rate of variation within SARS-CoV-2 mink isolates implies that mink populations were infected before human populations. Positions of most single-nucleotide polymorphisms (SNPs) within the spike (S) protein of SARS-CoV-2 genotypes from the different hosts are mostly accumulated in the RBM region and highlight the pronounced accumulation of variants with mutations in the RBM region in comparison with other variants. These SNPs play a crucial role in viral transmission and pathogenicity and are keys in identifying other animal species as potential intermediate hosts of SARS-CoV-2. The possible roles in the emergence of new viral strains and the possible implications of these changes, in compromising vaccine effectiveness, deserve urgent considerations.
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Affiliation(s)
- Abozar Ghorbani
- Plant Virology Research Centre, College of Agriculture, Shiraz University, Shiraz, Iran
| | - Samira Samarfard
- Queensland Biosciences Precinct, The University of Queensland, St Lucia 4072, Queensland, Australia
- Department of Primary Industries and Regional Development, DPIRD Diagnostic Laboratory Services, South Perth, WA, Australia
| | - Neda Eskandarzade
- Department of Basic Sciences, School of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Alireza Afsharifar
- Plant Virology Research Centre, College of Agriculture, Shiraz University, Shiraz, Iran
| | - Mohammad Hadi Eskandari
- Department of Food Science and Technology, College of Agriculture, Shiraz University, Shiraz, Iran
| | - Ali Niazi
- Institute of Biotechnology, College of Agriculture, Shiraz University, Shiraz, Iran
| | | | - Thomas P Karbanowicz
- Queensland Biosciences Precinct, The University of Queensland, St Lucia 4072, Queensland, Australia
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Pach S, Nguyen TN, Trimpert J, Kunec D, Osterrieder N, Wolber G. ACE2-Variants Indicate Potential SARS-CoV-2-Susceptibility in Animals: A Molecular Dynamics Study. Mol Inform 2021; 40:e2100031. [PMID: 34378348 PMCID: PMC8420607 DOI: 10.1002/minf.202100031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 07/23/2021] [Indexed: 12/12/2022]
Abstract
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) continues to be a global threat, causing millions of deaths worldwide. SARS-CoV-2 is an enveloped virus with spike (S) glycoproteins conferring binding to the host cell's angiotensin-converting enzyme 2 (ACE2), which is critical for cellular entry. The host range of the virus extends well beyond humans and non-human primates. Natural and experimental infections have confirmed the high susceptibility of cats, ferrets, and Syrian hamsters, whereas dogs, mice, rats, pigs, and chickens are refractory to SARS-CoV-2 infection. To investigate the underlying reason for the variable susceptibility observed in different species, we have developed molecular descriptors to efficiently analyse dynamic simulation models of complexes between SARS-CoV-2 S and ACE2. Our extensive analyses represent the first systematic structure-based approach that allows predictions of species susceptibility to SARS-CoV-2 infection.
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Affiliation(s)
- Szymon Pach
- Pharmaceutical and Medicinal ChemistryInstitute of PharmacyFreie Universität BerlinKönigin-Luise-Str. 2–414195BerlinGermany
| | - Trung Ngoc Nguyen
- Pharmaceutical and Medicinal ChemistryInstitute of PharmacyFreie Universität BerlinKönigin-Luise-Str. 2–414195BerlinGermany
| | - Jakob Trimpert
- Institut für VirologieFreie Universität BerlinRobert-Von-Ostertag-Str. 7–1314163BerlinGermany
| | - Dusan Kunec
- Institut für VirologieFreie Universität BerlinRobert-Von-Ostertag-Str. 7–1314163BerlinGermany
| | - Nikolaus Osterrieder
- Institut für VirologieFreie Universität BerlinRobert-Von-Ostertag-Str. 7–1314163BerlinGermany
- Department of Infectious Diseases and Public HealthJocky Club College of Veterinary Medicine and Life SciencesCity University of Hong Kong
| | - Gerhard Wolber
- Pharmaceutical and Medicinal ChemistryInstitute of PharmacyFreie Universität BerlinKönigin-Luise-Str. 2–414195BerlinGermany
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Lisco G, De Tullio A, Jirillo E, Giagulli VA, De Pergola G, Guastamacchia E, Triggiani V. Thyroid and COVID-19: a review on pathophysiological, clinical and organizational aspects. J Endocrinol Invest 2021; 44:1801-1814. [PMID: 33765288 PMCID: PMC7992516 DOI: 10.1007/s40618-021-01554-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/10/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Thyroid dysfunction has been observed in patients with COVID-19, and endocrinologists are requested to understand this clinical issue. Pandemic-related restrictions and reorganization of healthcare services may affect thyroid disease management. OBJECTIVE AND METHODS To analyze and discuss the relationship between COVID-19 and thyroid diseases from several perspectives. PubMed/MEDLINE, Google Scholar, Scopus, ClinicalTrial.gov were searched for this purpose by using free text words and medical subject headings as follows: "sars cov 2", "covid 19", "subacute thyroiditis", "atypical thyroiditis", "chronic thyroiditis", "hashimoto's thyroiditis", "graves' disease", "thyroid nodule", "differentiated thyroid cancer", "medullary thyroid cancer", "methimazole", "levothyroxine", "multikinase inhibitor", "remdesivir", "tocilizumab". Data were collected, analyzed, and discussed to answer the following clinical questions: "What evidence suggests that COVID-19 may induce detrimental consequences on thyroid function?"; "Could previous or concomitant thyroid diseases deteriorate the prognosis of COVID-19 once the infection has occurred?"; "Could medical management of thyroid diseases influence the clinical course of COVID-19?"; "Does medical management of COVID-19 interfere with thyroid function?"; "Are there defined strategies to better manage endocrine diseases despite restrictive measures and in-hospital and ambulatory activities reorganizations?". RESULTS SARS-CoV-2 may induce thyroid dysfunction that is usually reversible, including subclinical and atypical thyroiditis. Patients with baseline thyroid diseases are not at higher risk of contracting or transmitting SARS-CoV-2, and baseline thyroid dysfunction does not foster a worse progression of COVID-19. However, it is unclear whether low levels of free triiodothyronine, observed in seriously ill patients with COVID-19, may worsen the disease's clinical progression and, consequently, if triiodothyronine supplementation could be a tool for reducing this burden. Glucocorticoids and heparin may affect thyroid hormone secretion and measurement, respectively, leading to possible misdiagnosis of thyroid dysfunction in severe cases of COVID-19. High-risk thyroid nodules require a fine-needle aspiration without relevant delay, whereas other non-urgent diagnostic procedures and therapeutic interventions should be postponed. DISCUSSION Currently, we know that SARS-CoV-2 could lead to short-term and reversible thyroid dysfunction, but thyroid diseases seem not to affect the progression of COVID-19. Adequate management of patients with thyroid diseases remains essential during the pandemic, but it could be compromised because of healthcare service restrictions. Endocrine care centers should continuously recognize and classify priority cases for in-person visits and therapeutic procedures. Telemedicine may be a useful tool for managing patients not requiring in-person visits.
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Affiliation(s)
- G Lisco
- Interdisciplinary Department of Medicine, Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases, School of Medicine, University of Bari "Aldo Moro", Bari, Apulia, Italy.
| | - A De Tullio
- Interdisciplinary Department of Medicine, Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases, School of Medicine, University of Bari "Aldo Moro", Bari, Apulia, Italy
| | - E Jirillo
- Department of Basic Medical Science, Neuroscience and Sensory Organs, University of Bari Aldo Moro, Bari, Apulia, Italy
| | - V A Giagulli
- Interdisciplinary Department of Medicine, Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases, School of Medicine, University of Bari "Aldo Moro", Bari, Apulia, Italy
| | - G De Pergola
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine and Clinical Oncology, University of Bari Aldo Moro, Bari, Apulia, Italy
| | - E Guastamacchia
- Interdisciplinary Department of Medicine, Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases, School of Medicine, University of Bari "Aldo Moro", Bari, Apulia, Italy
| | - V Triggiani
- Interdisciplinary Department of Medicine, Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases, School of Medicine, University of Bari "Aldo Moro", Bari, Apulia, Italy.
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Schein CH, Levine CB, McLellan SLF, Negi SS, Braun W, Dreskin SC, Anaya ES, Schmidt J. Synthetic proteins for COVID-19 diagnostics. Peptides 2021; 143:170583. [PMID: 34087220 PMCID: PMC8168367 DOI: 10.1016/j.peptides.2021.170583] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/19/2021] [Accepted: 05/20/2021] [Indexed: 12/24/2022]
Abstract
There is an urgent need for inexpensive, rapid and specific antigen-based assays to test for vaccine efficacy and detect infection with SARS-CoV-2 and its variants. We have identified a small, synthetic protein (JS7), representing a region of maximum variability within the receptor binding domain (RBD), which binds antibodies in sera from nine patients with PCR-verified COVID-19 of varying severity. Antibodies binding to either JS7 or the SARS-CoV-2 recombinant RBD, as well as those that disrupt binding between a fragment of the ACE2 receptor and the RBD, are proportional to disease severity and clinical outcome. Binding to JS7 was inhibited by linear peptides from the RBD interface with ACE2. Variants of JS7, such as E484K or N501Y, can be quickly synthesized in pure form in large quantities by automated methods. JS7 and related synthetic antigens can provide a basis for specific diagnostics for SARS-CoV-2 infections.
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Affiliation(s)
- Catherine H Schein
- Department of Biochemistry and Molecular Biology, The University of Texas Medical Branch, Galveston, TX, United States; Institute for Human Infections and immunity (IHII), The University of Texas Medical Branch, Galveston, TX, United States.
| | - Corri B Levine
- Institute for Translational Sciences, The University of Texas Medical Branch, Galveston, TX, United States
| | - Susan L F McLellan
- Department of Internal medicine - Infectious Diseases, The University of Texas Medical Branch, Galveston, TX, United States
| | - Surendra S Negi
- Department of Biochemistry and Molecular Biology, The University of Texas Medical Branch, Galveston, TX, United States; Sealy Center for Structural Biology and Molecular Biophysics, The University of Texas Medical Branch, Galveston, TX, United States
| | - Werner Braun
- Department of Biochemistry and Molecular Biology, The University of Texas Medical Branch, Galveston, TX, United States; Institute for Human Infections and immunity (IHII), The University of Texas Medical Branch, Galveston, TX, United States; Sealy Center for Structural Biology and Molecular Biophysics, The University of Texas Medical Branch, Galveston, TX, United States
| | - Stephen C Dreskin
- Division of Allergy and Clinical Immunology, Department of Medicine, University of Colorado Denver, Aurora, CO, 80045, United States
| | - Elizabeth S Anaya
- B-11 Bioenergy and Biome Sciences, Bioscience Division Los Alamos National Laboratory, Los Alamos, NM, 87545, United States
| | - Jurgen Schmidt
- B-11 Bioenergy and Biome Sciences, Bioscience Division Los Alamos National Laboratory, Los Alamos, NM, 87545, United States
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45
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Aguiar VRC, Augusto DG, Castelli EC, Hollenbach JA, Meyer D, Nunes K, Petzl-Erler ML. An immunogenetic view of COVID-19. Genet Mol Biol 2021; 44:e20210036. [PMID: 34436508 PMCID: PMC8388242 DOI: 10.1590/1678-4685-gmb-2021-0036] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 06/12/2021] [Indexed: 02/06/2023] Open
Abstract
Meeting the challenges brought by the COVID-19 pandemic requires an interdisciplinary approach. In this context, integrating knowledge of immune function with an understanding of how genetic variation influences the nature of immunity is a key challenge. Immunogenetics can help explain the heterogeneity of susceptibility and protection to the viral infection and disease progression. Here, we review the knowledge developed so far, discussing fundamental genes for triggering the innate and adaptive immune responses associated with a viral infection, especially with the SARS-CoV-2 mechanisms. We emphasize the role of the HLA and KIR genes, discussing what has been uncovered about their role in COVID-19 and addressing methodological challenges of studying these genes. Finally, we comment on questions that arise when studying admixed populations, highlighting the case of Brazil. We argue that the interplay between immunology and an understanding of genetic associations can provide an important contribution to our knowledge of COVID-19.
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Affiliation(s)
- Vitor R. C. Aguiar
- Universidade de São Paulo, Departamento de Genética e Biologia
Evolutiva, São Paulo, SP, Brazil
| | - Danillo G. Augusto
- University of California, UCSF Weill Institute for Neurosciences,
Department of Neurology, San Francisco, CA, USA
- Universidade Federal do Paraná, Departamento de Genética, Curitiba,
PR, Brazil
| | - Erick C. Castelli
- Universidade Estadual Paulista, Faculdade de Medicina de Botucatu,
Departamento de Patologia, Botucatu, SP, Brazil
| | - Jill A. Hollenbach
- University of California, UCSF Weill Institute for Neurosciences,
Department of Neurology, San Francisco, CA, USA
| | - Diogo Meyer
- Universidade de São Paulo, Departamento de Genética e Biologia
Evolutiva, São Paulo, SP, Brazil
| | - Kelly Nunes
- Universidade de São Paulo, Departamento de Genética e Biologia
Evolutiva, São Paulo, SP, Brazil
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46
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Farouq MA, Al Qaraghuli MM, Kubiak-Ossowska K, Ferro VA, Mulheran PA. Biomolecular interactions with nanoparticles: applications for coronavirus disease 2019. Curr Opin Colloid Interface Sci 2021; 54:101461. [PMID: 33907504 PMCID: PMC8062422 DOI: 10.1016/j.cocis.2021.101461] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Nanoparticles are small particles sized 1-100 nm, which have a large surface-to-volume ratio, allowing efficient adsorption of drugs, proteins, and other chemical compounds. Consequently, functionalized nanoparticles have potential diagnostic and therapeutic applications. A variety of nanoparticles have been studied, including those constructed from inorganic materials, biopolymers, and lipids. In this review, we focus on recent work targeting the severe acute respiratory syndrome coronavirus 2 virus that causes coronavirus disease (COVID-19). Understanding the interactions between coronavirus-specific proteins (such as the spike protein and its host cell receptor angiotensin-converting enzyme 2) with different nanoparticles paves the way to the development of new therapeutics and diagnostics that are urgently needed for the fight against COVID-19, and indeed for related future viral threats that may emerge.
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Affiliation(s)
- Mohammed A.H. Farouq
- Department of Chemical and Process Engineering, University of Strathclyde, 75 Montrose Street, Glasgow, G1 1XJ, UK,Corresponding author: Farouq, M.A.H
| | - Mohammed M. Al Qaraghuli
- Department of Chemical and Process Engineering, University of Strathclyde, 75 Montrose Street, Glasgow, G1 1XJ, UK
| | - Karina Kubiak-Ossowska
- Department of Physics/Archie-West HPC, University of Strathclyde, 107 Rottenrow East, Glasgow, G4 0NG, UK
| | - Valerie A. Ferro
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Paul A. Mulheran
- Department of Chemical and Process Engineering, University of Strathclyde, 75 Montrose Street, Glasgow, G1 1XJ, UK
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Giraldo-Ramirez S, Rendon-Marin S, Jaimes JA, Martinez-Gutierrez M, Ruiz-Saenz J. SARS-CoV-2 Clinical Outcome in Domestic and Wild Cats: A Systematic Review. Animals (Basel) 2021; 11:2056. [PMID: 34359182 PMCID: PMC8300124 DOI: 10.3390/ani11072056] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/21/2021] [Accepted: 06/23/2021] [Indexed: 12/13/2022] Open
Abstract
Recently, it has been proved that SARS-CoV-2 has the ability to infect multiple species. This work was aimed at identifying the clinical signs of SARS-CoV-2 infection in domestic and wild felids. A PRISMA-based systematic review was performed on case reports on domestic and wild cats, reports on experimental infections, case reports in databases, preprints and published press releases. Descriptive statistical analysis of the data was performed. A total of 256 articles, 63 detailed official reports and 2 press articles on SARS-CoV-2 infection in domestic and wild cats were analyzed, of which 19 articles and 65 reports were finally included. In domestic cats, most cats' infections are likely to be asymptomatic, and 46% of the reported infected animals were symptomatic and predominantly presented respiratory signs such as sneezing and coughing. In wild felines, respiratory clinical signs were most frequent, and up to 96.5% of the reported affected animals presented coughing. It is noteworthy that, to date, symptomatic animals with SARS-CoV-2 infection have been reported to belong to two different subfamilies (Phanterinae and Felinae), with up to five different felid species affected within the Felidae family. Reported results evince that the signs developed in felids show similar progression to those occurring in humans, suggesting a relationship between the viral cycle and target tissues of the virus in different species. While viral transmission to humans in contact with animal populations has not been reported, spill-back could result in the emergence of immune-escape mutants that might pose a risk to public health. Despite the clear results in the identification of the typical clinical picture of SARS-CoV-2 infection in felines, the number of detailed academic reports and papers on the subject is scarce. Therefore, further description of these cases will allow for more accurate and statistically robust clinical approaches in the future.
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Affiliation(s)
- Sebastian Giraldo-Ramirez
- Grupo de Investigación en Ciencias Animales—GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia, Bucaramanga 680002, Colombia; (S.G.-R.); (S.R.-M.); (M.M.-G.)
| | - Santiago Rendon-Marin
- Grupo de Investigación en Ciencias Animales—GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia, Bucaramanga 680002, Colombia; (S.G.-R.); (S.R.-M.); (M.M.-G.)
| | - Javier A. Jaimes
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA;
| | - Marlen Martinez-Gutierrez
- Grupo de Investigación en Ciencias Animales—GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia, Bucaramanga 680002, Colombia; (S.G.-R.); (S.R.-M.); (M.M.-G.)
- Infettare, Facultad de Medicina, Universidad Cooperativa de Colombia, Medellín 050012, Colombia
| | - Julian Ruiz-Saenz
- Grupo de Investigación en Ciencias Animales—GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia, Bucaramanga 680002, Colombia; (S.G.-R.); (S.R.-M.); (M.M.-G.)
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48
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Villanueva-Saz S, Giner J, Fernández A, Lacasta D, Ortín A, Ramos JJ, Ferrer LM, Ruiz de Arcaute M, Tobajas AP, Pérez MD, Verde M, Marteles D, Hurtado-Guerrero R, Pardo J, Santiago L, González-Ramírez AM, Macías-León J, García-García A, Taleb V, Lira-Navarrete E, Paño-Pardo JR, Ruíz H. Absence of SARS-CoV-2 Antibodies in Natural Environment Exposure in Sheep in Close Contact with Humans. Animals (Basel) 2021; 11:1984. [PMID: 34359111 PMCID: PMC8300300 DOI: 10.3390/ani11071984] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 05/25/2021] [Indexed: 12/26/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the zoonotic causative agent of coronavirus disease 2019 (COVID-19) that has caused a pandemic situation with millions of infected humans worldwide. Among domestic animals, there have been limited studies regarding the transmissibility and exposure to the infection in natural conditions. Some animals are exposed and/or susceptible to SARS-CoV-2 infection, such as cats, ferrets and dogs. By contrast, there is no information about the susceptibility of ruminants to SARS-CoV-2. This study tested the antibody response in 90 ovine pre-pandemic serum samples and 336 sheep serum samples from the pandemic period (June 2020 to March 2021). In both cases, the animals were in close contact with a veterinary student community composed of more than 700 members. None of the serum samples analyzed was seroreactive based on an enzyme-linked immunosorbent assay (ELISA) using the receptor-binding domain (RBD) of the spike antigen. In this sense, no statistical difference was observed compared to the pre-pandemic sheep. Our results suggest that it seems unlikely that sheep could play a relevant role in the epidemiology of SARS-CoV-2 infection. This is the first study to report the absence of evidence of sheep exposure to SARS-CoV-2 in natural conditions.
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Affiliation(s)
- Sergio Villanueva-Saz
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
| | - Jacobo Giner
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain
| | - Antonio Fernández
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
| | - Delia Lacasta
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
| | - Aurora Ortín
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
| | - Juan José Ramos
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
| | - Luis Miguel Ferrer
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
| | - Marta Ruiz de Arcaute
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
| | - Ana Pilar Tobajas
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
- Department of Animal Production and Sciences of the Food, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain
| | - María Dolores Pérez
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
- Department of Animal Production and Sciences of the Food, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain
| | - Maite Verde
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
| | - Diana Marteles
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
| | - Ramón Hurtado-Guerrero
- Institute for Biocomputation and Physics of Complex Systems (BIFI), Mariano Esquillor s/n, Campus Rio Ebro, Edificio I+D, University of Zaragoza, 50013 Zaragoza, Spain; (R.H.-G.); (A.M.G.-R.); (J.M.-L.); (A.G.-G.); (V.T.); (E.L.-N.)
- Aragon I+D Foundation (ARAID), 50018 Zaragoza, Spain;
- Laboratorio de Microscopías Avanzada (LMA), Mariano Esquillor s/n, Campus Rio Ebro, Edificio I+D, Copenhagen Center for Glycomics, 50018 Zaragoza, Spain
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Julián Pardo
- Aragon I+D Foundation (ARAID), 50018 Zaragoza, Spain;
- Aragon Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain;
- Department of Microbiology, Pediatrics, Radiology and Public Health, Zaragoza University of Zaragoza, 50013 Zaragoza, Spain
| | - Llipsy Santiago
- Aragon Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain;
| | - Andrés Manuel González-Ramírez
- Institute for Biocomputation and Physics of Complex Systems (BIFI), Mariano Esquillor s/n, Campus Rio Ebro, Edificio I+D, University of Zaragoza, 50013 Zaragoza, Spain; (R.H.-G.); (A.M.G.-R.); (J.M.-L.); (A.G.-G.); (V.T.); (E.L.-N.)
| | - Javier Macías-León
- Institute for Biocomputation and Physics of Complex Systems (BIFI), Mariano Esquillor s/n, Campus Rio Ebro, Edificio I+D, University of Zaragoza, 50013 Zaragoza, Spain; (R.H.-G.); (A.M.G.-R.); (J.M.-L.); (A.G.-G.); (V.T.); (E.L.-N.)
| | - Ana García-García
- Institute for Biocomputation and Physics of Complex Systems (BIFI), Mariano Esquillor s/n, Campus Rio Ebro, Edificio I+D, University of Zaragoza, 50013 Zaragoza, Spain; (R.H.-G.); (A.M.G.-R.); (J.M.-L.); (A.G.-G.); (V.T.); (E.L.-N.)
| | - Víctor Taleb
- Institute for Biocomputation and Physics of Complex Systems (BIFI), Mariano Esquillor s/n, Campus Rio Ebro, Edificio I+D, University of Zaragoza, 50013 Zaragoza, Spain; (R.H.-G.); (A.M.G.-R.); (J.M.-L.); (A.G.-G.); (V.T.); (E.L.-N.)
| | - Erandi Lira-Navarrete
- Institute for Biocomputation and Physics of Complex Systems (BIFI), Mariano Esquillor s/n, Campus Rio Ebro, Edificio I+D, University of Zaragoza, 50013 Zaragoza, Spain; (R.H.-G.); (A.M.G.-R.); (J.M.-L.); (A.G.-G.); (V.T.); (E.L.-N.)
| | - José Ramón Paño-Pardo
- Infectious Disease Department, University Hospital Lozano Blesa, 50009 Zaragoza, Spain;
| | - Héctor Ruíz
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.G.); (A.F.); (D.L.); (A.O.); (J.J.R.); (L.M.F.); (M.R.d.A.); (M.V.); (D.M.)
- Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain; (A.P.T.); (M.D.P.)
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de Leeuw AJM, Oude Luttikhuis MAM, Wellen AC, Müller C, Calkhoven CF. Obesity and its impact on COVID-19. J Mol Med (Berl) 2021; 99:899-915. [PMID: 33824998 PMCID: PMC8023779 DOI: 10.1007/s00109-021-02072-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/22/2021] [Accepted: 03/30/2021] [Indexed: 01/08/2023]
Abstract
The severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) pandemic has proven a challenge to healthcare systems since its first appearance in late 2019. The global spread and devastating effects of coronavirus disease 2019 (COVID-19) on patients have resulted in countless studies on risk factors and disease progression. Overweight and obesity emerged as one of the major risk factors for developing severe COVID-19. Here we review the biology of coronavirus infections in relation to obesity. In particular, we review literature about the impact of adiposity-related systemic inflammation on the COVID-19 disease severity, involving cytokine, chemokine, leptin, and growth hormone signaling, and we discuss the involvement of hyperactivation of the renin-angiotensin-aldosterone system (RAAS). Due to the sheer number of publications on COVID-19, we cannot be completed, and therefore, we apologize for all the publications that we do not cite.
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Affiliation(s)
- Angélica J M de Leeuw
- University Medical Center Groningen (UMCG), University of Groningen, 9700, AD, Groningen, The Netherlands
| | | | - Annemarijn C Wellen
- University Medical Center Groningen (UMCG), University of Groningen, 9700, AD, Groningen, The Netherlands
| | - Christine Müller
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen, University of Groningen, 9700, AD, Groningen, The Netherlands
| | - Cornelis F Calkhoven
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen, University of Groningen, 9700, AD, Groningen, The Netherlands.
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50
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Gultom M, Licheri M, Laloli L, Wider M, Strässle M, V'kovski P, Steiner S, Kratzel A, Thao TTN, Probst L, Stalder H, Portmann J, Holwerda M, Ebert N, Stokar-Regenscheit N, Gurtner C, Zanolari P, Posthaus H, Schuller S, Vicente-Santos A, Moreira-Soto A, Corrales-Aguilar E, Ruggli N, Tekes G, von Messling V, Sawatsky B, Thiel V, Dijkman R. Susceptibility of Well-Differentiated Airway Epithelial Cell Cultures from Domestic and Wild Animals to Severe Acute Respiratory Syndrome Coronavirus 2. Emerg Infect Dis 2021; 27:1811-1820. [PMID: 34152956 PMCID: PMC8237902 DOI: 10.3201/eid2707.204660] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread globally, and the number of worldwide cases continues to rise. The zoonotic origins of SARS-CoV-2 and its intermediate and potential spillback host reservoirs, besides humans, remain largely unknown. Because of ethical and experimental constraints and more important, to reduce and refine animal experimentation, we used our repository of well-differentiated airway epithelial cell (AEC) cultures from various domesticated and wildlife animal species to assess their susceptibility to SARS-CoV-2. We observed that SARS-CoV-2 replicated efficiently only in monkey and cat AEC culture models. Whole-genome sequencing of progeny viruses revealed no obvious signs of nucleotide transitions required for SARS-CoV-2 to productively infect monkey and cat AEC cultures. Our findings, together with previous reports of human-to-animal spillover events, warrant close surveillance to determine the potential role of cats, monkeys, and closely related species as spillback reservoirs for SARS-CoV-2.
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