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O'Mahoney C, Watt I, Fiedler S, Devenish S, Srikanth S, Justice E, Dover T, Dean D, Peng C. Microfluidic Diffusional Sizing (MDS) Measurements of Secretory Neutralizing Antibody Affinity Against SARS-CoV-2. Ann Biomed Eng 2024; 52:1653-1664. [PMID: 38459195 PMCID: PMC11082020 DOI: 10.1007/s10439-024-03478-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 02/19/2024] [Indexed: 03/10/2024]
Abstract
SARS-CoV-2 has rampantly spread around the globe and continues to cause unprecedented loss through ongoing waves of (re)infection. Increasing our understanding of the protection against infection with SARS-CoV-2 is critical to ending the pandemic. Serological assays have been widely used to assess immune responses, but secretory antibodies, the essential first line of defense, have been studied to only a limited extent. Of particular interest and importance are neutralizing antibodies, which block the binding of the spike protein of SARS-CoV-2 to the human receptor angiotensin-converting enzyme-2 (ACE2) and thus are essential for immune defense. Here, we employed Microfluidic Diffusional Sizing (MDS), an immobilization-free technology, to characterize neutralizing antibody affinity to SARS-CoV-2 spike receptor-binding domain (RBD) and spike trimer in saliva. Affinity measurement was obtained through a contrived sample and buffer using recombinant SARS-CoV-2 RBD and monoclonal antibody. Limited saliva samples demonstrated that MDS applies to saliva neutralizing antibody measurement. The ability to disrupt a complex of ACE2-Fc and spike trimer is shown. Using a quantitative assay on the patient sample, we determined the affinity and binding site concentration of the neutralizing antibodies.
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Affiliation(s)
- Cara O'Mahoney
- Department of Bioengineering, Clemson University, Clemson, SC, USA
| | - Ian Watt
- Fluidic Analytics, Cambridge, UK
| | | | | | - Sujata Srikanth
- Center for Innovative Medical Devices and Sensors, Clemson University, Clemson, SC, USA
| | - Erica Justice
- Center for Innovative Medical Devices and Sensors, Clemson University, Clemson, SC, USA
| | - Tristan Dover
- Center for Innovative Medical Devices and Sensors, Clemson University, Clemson, SC, USA
| | - Delphine Dean
- Department of Bioengineering, Clemson University, Clemson, SC, USA
- Center for Innovative Medical Devices and Sensors, Clemson University, Clemson, SC, USA
| | - Congyue Peng
- Department of Bioengineering, Clemson University, Clemson, SC, USA.
- Center for Innovative Medical Devices and Sensors, Clemson University, Clemson, SC, USA.
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Müller-Kräuter H, Mezzacapo J, Klüver M, Baumgart S, Becker D, Fathi A, Pfeiffer S, Krähling V. Quantitative assay to analyze neutralization and inhibition of authentic Middle East respiratory syndrome coronavirus. Med Microbiol Immunol 2024; 213:6. [PMID: 38722338 PMCID: PMC11082005 DOI: 10.1007/s00430-024-00789-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 04/05/2024] [Indexed: 05/12/2024]
Abstract
To date, there is no licensed vaccine for Middle East respiratory syndrome coronavirus (MERS-CoV). Therefore, MERS-CoV is one of the diseases targeted by the Coalition for Epidemic Preparedness Innovations (CEPI) vaccine development programs and has been classified as a priority disease by the World Health Organization (WHO). An important measure of vaccine immunogenicity and antibody functionality is the detection of virus-neutralizing antibodies. We have developed and optimized a microneutralization assay (MNA) using authentic MERS-CoV and standardized automatic counting of virus foci. Compared to our standard virus neutralization assay, the MNA showed improved sensitivity when analyzing 30 human sera with good correlation of results (Spearman's correlation coefficient r = 0.8917, p value < 0.0001). It is important to use standardized materials, such as the WHO international standard (IS) for anti-MERS-CoV immunoglobulin G, to compare the results from clinical trials worldwide. Therefore, in addition to the neutralizing titers (NT50 = 1384, NT80 = 384), we determined the IC50 and IC80 of WHO IS in our MNA to be 0.67 IU/ml and 2.6 IU/ml, respectively. Overall, the established MNA is well suited to reliably quantify vaccine-induced neutralizing antibodies with high sensitivity.
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Affiliation(s)
- Helena Müller-Kräuter
- Institute of Virology, Philipps University Marburg, Hans-Meerwein Str. 2, 35043, Marburg, Germany
| | - Jolanda Mezzacapo
- Institute of Virology, Philipps University Marburg, Hans-Meerwein Str. 2, 35043, Marburg, Germany
| | - Michael Klüver
- Institute of Virology, Philipps University Marburg, Hans-Meerwein Str. 2, 35043, Marburg, Germany
- German Center for Infection Research (DZIF), Partner Site Gießen-Marburg-Langen, Marburg, Germany
| | - Sara Baumgart
- Institute of Virology, Philipps University Marburg, Hans-Meerwein Str. 2, 35043, Marburg, Germany
| | - Dirk Becker
- Institute of Virology, Philipps University Marburg, Hans-Meerwein Str. 2, 35043, Marburg, Germany
- German Center for Infection Research (DZIF), Partner Site Gießen-Marburg-Langen, Marburg, Germany
| | - Anahita Fathi
- Institute for Infection Research and Vaccine Development, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, Hamburg, Germany
| | - Sebastian Pfeiffer
- Institute of Virology, Philipps University Marburg, Hans-Meerwein Str. 2, 35043, Marburg, Germany
| | - Verena Krähling
- Institute of Virology, Philipps University Marburg, Hans-Meerwein Str. 2, 35043, Marburg, Germany.
- German Center for Infection Research (DZIF), Partner Site Gießen-Marburg-Langen, Marburg, Germany.
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Bian S, Shang M, Tao Y, Wang P, Xu Y, Wang Y, Shen Z, Sawan M. Dynamic Profiling and Prediction of Antibody Response to SARS-CoV-2 Booster-Inactivated Vaccines by Microsample-Driven Biosensor and Machine Learning. Vaccines (Basel) 2024; 12:352. [PMID: 38675735 PMCID: PMC11054503 DOI: 10.3390/vaccines12040352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/10/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
Knowledge of the antibody response to the third dose of inactivated SARS-CoV-2 vaccines is crucial because it is the subject of one of the largest global vaccination programs. This study integrated microsampling with optical biosensors to profile neutralizing antibodies (NAbs) in fifteen vaccinated healthy donors, followed by the application of machine learning to predict antibody response at given timepoints. Over a nine-month duration, microsampling and venipuncture were conducted at seven individual timepoints. A refined iteration of a fiber optic biolayer interferometry (FO-BLI) biosensor was designed, enabling rapid multiplexed biosensing of the NAbs of both wild-type and Omicron SARS-CoV-2 variants in minutes. Findings revealed a strong correlation (Pearson r of 0.919, specificity of 100%) between wild-type variant NAb levels in microsamples and sera. Following the third dose, sera NAb levels of the wild-type variant increased 2.9-fold after seven days and 3.3-fold within a month, subsequently waning and becoming undetectable after three months. Considerable but incomplete evasion of the latest Omicron subvariants from booster vaccine-elicited NAbs was confirmed, although a higher number of binding antibodies (BAbs) was identified by another rapid FO-BLI biosensor in minutes. Significantly, FO-BLI highly correlated with a pseudovirus neutralization assay in identifying neutralizing capacities (Pearson r of 0.983). Additionally, machine learning demonstrated exceptional accuracy in predicting antibody levels, with an error level of <5% for both NAbs and BAbs across multiple timepoints. Microsample-driven biosensing enables individuals to access their results within hours of self-collection, while precise models could guide personalized vaccination strategies. The technology's innate adaptability means it has the potential for effective translation in disease prevention and vaccine development.
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Affiliation(s)
- Sumin Bian
- CenBRAIN Neurotech Center of Excellence, School of Engineering, Westlake University, Hangzhou 310024, China; (S.B.)
| | - Min Shang
- Department of Cardiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou 310058, China
| | - Ying Tao
- CenBRAIN Neurotech Center of Excellence, School of Engineering, Westlake University, Hangzhou 310024, China; (S.B.)
| | - Pengbo Wang
- CenBRAIN Neurotech Center of Excellence, School of Engineering, Westlake University, Hangzhou 310024, China; (S.B.)
| | - Yankun Xu
- CenBRAIN Neurotech Center of Excellence, School of Engineering, Westlake University, Hangzhou 310024, China; (S.B.)
| | - Yao Wang
- Department of Cardiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou 310058, China
| | - Zhida Shen
- Department of Cardiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou 310058, China
| | - Mahamad Sawan
- CenBRAIN Neurotech Center of Excellence, School of Engineering, Westlake University, Hangzhou 310024, China; (S.B.)
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Gardner BJ, Kilpatrick AM. Predicting Vaccine Effectiveness for Hospitalization and Symptomatic Disease for Novel SARS-CoV-2 Variants Using Neutralizing Antibody Titers. Viruses 2024; 16:479. [PMID: 38543844 PMCID: PMC10975673 DOI: 10.3390/v16030479] [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: 02/16/2024] [Revised: 03/14/2024] [Accepted: 03/19/2024] [Indexed: 05/23/2024] Open
Abstract
The emergence of new virus variants, including the Omicron variant (B.1.1.529) of SARS-CoV-2, can lead to reduced vaccine effectiveness (VE) and the need for new vaccines or vaccine doses if the extent of immune evasion is severe. Neutralizing antibody titers have been shown to be a correlate of protection for SARS-CoV-2 and other pathogens, and could be used to quickly estimate vaccine effectiveness for new variants. However, no model currently exists to provide precise VE estimates for a new variant against severe disease for SARS-CoV-2 using robust datasets from several populations. We developed predictive models for VE against COVID-19 symptomatic disease and hospitalization across a 54-fold range of mean neutralizing antibody titers. For two mRNA vaccines (mRNA-1273, BNT162b2), models fit without Omicron data predicted that infection with the BA.1 Omicron variant increased the risk of hospitalization 2.8-4.4-fold and increased the risk of symptomatic disease 1.7-4.2-fold compared to the Delta variant. Out-of-sample validation showed that model predictions were accurate; all predictions were within 10% of observed VE estimates and fell within the model prediction intervals. Predictive models using neutralizing antibody titers can provide rapid VE estimates, which can inform vaccine booster timing, vaccine design, and vaccine selection for new virus variants.
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Affiliation(s)
- Billy J. Gardner
- Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95060, USA
| | - A. Marm Kilpatrick
- Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95060, USA
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Zhang J, Kennedy A, de Melo Jorge DM, Xing L, Reid W, Bui S, Joppich J, Rose M, Ercan S, Tang Q, Tai AW, Wang Y. SARS-CoV-2 remodels the Golgi apparatus to facilitate viral assembly and secretion. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2022.03.04.483074. [PMID: 35291301 PMCID: PMC8923104 DOI: 10.1101/2022.03.04.483074] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The COVID-19 pandemic is caused by SARS-CoV-2, an enveloped RNA virus. Despite extensive investigation, the molecular mechanisms for its assembly and secretion remain largely elusive. Here, we show that SARS-CoV-2 infection induces global alterations of the host endomembrane system, including dramatic Golgi fragmentation. SARS-CoV-2 virions are enriched in the fragmented Golgi. Disrupting Golgi function with small molecules strongly inhibits viral infection. Significantly, SARS-CoV-2 infection down-regulates GRASP55 but up-regulates TGN46 protein levels. Surprisingly, GRASP55 expression reduces both viral secretion and spike number on each virion, while GRASP55 depletion displays opposite effects. In contrast, TGN46 depletion only inhibits viral secretion without affecting spike incorporation into virions. TGN46 depletion and GRASP55 expression additively inhibit viral secretion, indicating that they act at different stages. Taken together, we show that SARS-CoV-2 alters Golgi structure and function to control viral assembly and secretion, highlighting the Golgi as a potential therapeutic target for blocking SARS-CoV-2 infection.
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Horbach IS, de Souza Azevedo A, Schwarcz WD, Alves NDS, de Moura Dias B, Setatino BP, da Cruz Moura L, de Souza AF, Denani CB, da Silva SA, Pimentel TG, de Oliveira Silva Ferreira V, Azamor T, Ano Bom APD, da Penha Gomes Gouvea M, Mill JG, Valim V, Polese J, Campi-Azevedo AC, Peruhype-Magalhães V, Teixeira-Carvalho A, Martins-Filho OA, de Lima SMB, de Sousa Junior IP. Plaque Reduction Neutralization Test (PRNT) Accuracy in Evaluating Humoral Immune Response to SARS-CoV-2. Diseases 2024; 12:29. [PMID: 38248380 PMCID: PMC10814169 DOI: 10.3390/diseases12010029] [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: 12/12/2023] [Revised: 01/13/2024] [Accepted: 01/15/2024] [Indexed: 01/23/2024] Open
Abstract
Massive vaccination positively impacted the SARS-CoV-2 pandemic, being a strategy to increase the titers of neutralizing antibodies (NAbs) in the population. Assessing NAb levels and understanding the kinetics of NAb responses is critical for evaluating immune protection. In this study, we optimized and validated a PRNT50 assay to assess 50% virus neutralization and evaluated its accuracy to measure NAbs to the original strain or variant of SARS-CoV-2. The optimal settings were selected, such as the cell (2 × 105 cells/well) and CMC (1.5%) concentrations and the viral input (~60 PFU/well) for PRNT-SARS-CoV-2 with cut-off point = 1.64 log5 based on the ROC curve (AUC = 0.999). The validated PRNT-SARS-CoV-2 assay presented high accuracy with an intraassay precision of 100% for testing samples with different NAb levels (low, medium, and high titers). The method displays high selectivity without cross-reactivity with dengue (DENV), measles (MV), zika (ZIKV), and yellow fever (YFV) viruses. In addition, the standardized PRNT-SARS-CoV-2 assay presented robustness when submitted to controlled variations. The validated PRNT assay was employed to test over 1000 specimens from subjects with positive or negative diagnoses for SARS-CoV-2 infection. Patients with severe COVID-19 exhibited higher levels of NAbs than those presenting mild symptoms for both the Wuhan strain and Omicron. In conclusion, this study provides a detailed description of an optimized and validated PRNT50 assay to monitor immune protection and to subsidize surveillance policies applied to epidemiologic studies of COVID-19.
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Affiliation(s)
- Ingrid Siciliano Horbach
- Laboratório de Análise Imunomolecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (I.S.H.); (A.d.S.A.); (W.D.S.); (N.d.S.A.); (B.d.M.D.); (B.P.S.); (L.d.C.M.); (A.F.d.S.); (C.B.D.)
- Programa de Pós-Graduação em Medicina Tropical, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil
| | - Adriana de Souza Azevedo
- Laboratório de Análise Imunomolecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (I.S.H.); (A.d.S.A.); (W.D.S.); (N.d.S.A.); (B.d.M.D.); (B.P.S.); (L.d.C.M.); (A.F.d.S.); (C.B.D.)
| | - Waleska Dias Schwarcz
- Laboratório de Análise Imunomolecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (I.S.H.); (A.d.S.A.); (W.D.S.); (N.d.S.A.); (B.d.M.D.); (B.P.S.); (L.d.C.M.); (A.F.d.S.); (C.B.D.)
| | - Nathalia dos Santos Alves
- Laboratório de Análise Imunomolecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (I.S.H.); (A.d.S.A.); (W.D.S.); (N.d.S.A.); (B.d.M.D.); (B.P.S.); (L.d.C.M.); (A.F.d.S.); (C.B.D.)
| | - Brenda de Moura Dias
- Laboratório de Análise Imunomolecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (I.S.H.); (A.d.S.A.); (W.D.S.); (N.d.S.A.); (B.d.M.D.); (B.P.S.); (L.d.C.M.); (A.F.d.S.); (C.B.D.)
| | - Bruno Pimenta Setatino
- Laboratório de Análise Imunomolecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (I.S.H.); (A.d.S.A.); (W.D.S.); (N.d.S.A.); (B.d.M.D.); (B.P.S.); (L.d.C.M.); (A.F.d.S.); (C.B.D.)
| | - Luma da Cruz Moura
- Laboratório de Análise Imunomolecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (I.S.H.); (A.d.S.A.); (W.D.S.); (N.d.S.A.); (B.d.M.D.); (B.P.S.); (L.d.C.M.); (A.F.d.S.); (C.B.D.)
| | - Ariane Faria de Souza
- Laboratório de Análise Imunomolecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (I.S.H.); (A.d.S.A.); (W.D.S.); (N.d.S.A.); (B.d.M.D.); (B.P.S.); (L.d.C.M.); (A.F.d.S.); (C.B.D.)
| | - Caio Bidueira Denani
- Laboratório de Análise Imunomolecular, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (I.S.H.); (A.d.S.A.); (W.D.S.); (N.d.S.A.); (B.d.M.D.); (B.P.S.); (L.d.C.M.); (A.F.d.S.); (C.B.D.)
- Programa de Pós-Graduação em Medicina Tropical, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil
| | - Stephanie Almeida da Silva
- Laboratório de Tecnologia Virológica, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil;
| | - Thiago Goes Pimentel
- Núcleo de Apoio Administrativo VDINV, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil;
| | - Victor de Oliveira Silva Ferreira
- Seção de Validação Analítica, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil;
| | - Tamiris Azamor
- Laboratório de Tecnologia Imunológica, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (T.A.); (A.P.D.A.B.)
| | - Ana Paula Dinis Ano Bom
- Laboratório de Tecnologia Imunológica, Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (T.A.); (A.P.D.A.B.)
| | - Maria da Penha Gomes Gouvea
- Hospital Universitário Cassiano Antônio Moraes, Universidade Federal do Espírito Santo (HUCAM-UFES/EBSERH), Vitória 29041-295, Brazil; (M.d.P.G.G.); (J.G.M.); (V.V.)
| | - José Geraldo Mill
- Hospital Universitário Cassiano Antônio Moraes, Universidade Federal do Espírito Santo (HUCAM-UFES/EBSERH), Vitória 29041-295, Brazil; (M.d.P.G.G.); (J.G.M.); (V.V.)
| | - Valéria Valim
- Hospital Universitário Cassiano Antônio Moraes, Universidade Federal do Espírito Santo (HUCAM-UFES/EBSERH), Vitória 29041-295, Brazil; (M.d.P.G.G.); (J.G.M.); (V.V.)
| | - Jessica Polese
- Programa de Pós-Graduação em Ciências Fisiológicas da Universidade Federal do Espírito Santo, Vitória 29500-000, Brazil;
| | - Ana Carolina Campi-Azevedo
- Grupo Integrado de Pesquisa em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte 30190-002, Brazil; (A.C.C.-A.); (V.P.-M.); (A.T.-C.); (O.A.M.-F.)
| | - Vanessa Peruhype-Magalhães
- Grupo Integrado de Pesquisa em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte 30190-002, Brazil; (A.C.C.-A.); (V.P.-M.); (A.T.-C.); (O.A.M.-F.)
| | - Andréa Teixeira-Carvalho
- Grupo Integrado de Pesquisa em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte 30190-002, Brazil; (A.C.C.-A.); (V.P.-M.); (A.T.-C.); (O.A.M.-F.)
| | - Olindo Assis Martins-Filho
- Grupo Integrado de Pesquisa em Biomarcadores, Instituto René Rachou, FIOCRUZ-Minas, Belo Horizonte 30190-002, Brazil; (A.C.C.-A.); (V.P.-M.); (A.T.-C.); (O.A.M.-F.)
| | - Sheila Maria Barbosa de Lima
- Departamento de Desenvolvimento Experimental e Pré-clínico (DEDEP), Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil
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Bravo-San Pedro JM, Aranda F, Buqué A, Galluzzi L. Preface. Methods Cell Biol 2024; 185:xvii-xxiv. [PMID: 38556455 DOI: 10.1016/s0091-679x(24)00112-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Affiliation(s)
- José Manuel Bravo-San Pedro
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain; Centro de Investigación Biomédica en Red en Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Fernando Aranda
- Program of Immunology and Immunotherapy, Cima Universidad de Navarra, Pamplona, Spain; Navarra Institute for Health Research (IdiSNA), Pamplona, Spain
| | - Aitziber Buqué
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, United States
| | - Lorenzo Galluzzi
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, United States; Sandra and Edward Meyer Cancer Center, New York, NY, United States; Caryl and Israel Englander Institute for Precision Medicine, New York, NY, United States
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Plans-Rubió P. Effectiveness of Adapted COVID-19 Vaccines and Ability to Establish Herd Immunity against Omicron BA.1 and BA4-5 Variants of SARS-CoV-2. Vaccines (Basel) 2023; 11:1836. [PMID: 38140240 PMCID: PMC10747774 DOI: 10.3390/vaccines11121836] [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: 10/28/2023] [Revised: 12/06/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
The emergence of novel SARS-CoV-2 variants has raised concerns about the ability of COVID-19 vaccination programs to establish adequate herd immunity levels in the population. This study assessed the effectiveness of adapted vaccines in preventing SARS-CoV-2 infection and the ability of the adapted vaccines to establish herd immunity against emerging Omicron variants. A systematic literature review was conducted to estimate the absolute vaccine effectiveness (aVE) in preventing SARS-CoV-2 infection using adapted vaccines targeting Omicron variants. The ability of the adapted vaccines to establish herd immunity was assessed by taking into account the following factors: aVE, Ro values of SARS-CoV-2 and the use of non-pharmacological interventions (NPIs). This study found meta-analysis-based aVEs in preventing severe disease and SARS-CoV-2 infection of 56-60% and 36-39%, respectively. Adapted vaccines could not establish herd immunity against the Omicron BA.1 and BA.4-5 variants without using non-pharmacological interventions (NPIs). The adapted vaccines could establish herd immunity only by achieving >80% vaccination coverage, using NPIs with greater effectiveness and when 20-30% of individuals were already protected against SARS-CoV-2 in the population. New adapted COVID-19 vaccines with greater effectiveness in preventing SARS-CoV-2 infection must be developed to increase herd immunity levels against emerging SARS-CoV-2 variants in the population.
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Affiliation(s)
- Pedro Plans-Rubió
- Public Health Agency of Catalonia, Department of Health of Catalonia, 08005 Barcelona, Spain;
- Ciber of Epidemiology and Public Health (CIBERESP), 28028 Madrid, Spain
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Roessler J, Pich D, Krähling V, Becker S, Keppler OT, Zeidler R, Hammerschmidt W. SARS-CoV-2 and Epstein-Barr Virus-like Particles Associate and Fuse with Extracellular Vesicles in Virus Neutralization Tests. Biomedicines 2023; 11:2892. [PMID: 38001893 PMCID: PMC10669694 DOI: 10.3390/biomedicines11112892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 11/26/2023] Open
Abstract
The successful development of effective viral vaccines depends on well-known correlates of protection, high immunogenicity, acceptable safety criteria, low reactogenicity, and well-designed immune monitoring and serology. Virus-neutralizing antibodies are often a good correlate of protective immunity, and their serum concentration is a key parameter during the pre-clinical and clinical testing of vaccine candidates. Viruses are inherently infectious and potentially harmful, but we and others developed replication-defective SARS-CoV-2 virus-like-particles (VLPs) as surrogates for infection to quantitate neutralizing antibodies with appropriate target cells using a split enzyme-based approach. Here, we show that SARS-CoV-2 and Epstein-Barr virus (EBV)-derived VLPs associate and fuse with extracellular vesicles in a highly specific manner, mediated by the respective viral fusion proteins and their corresponding host receptors. We highlight the capacity of virus-neutralizing antibodies to interfere with this interaction and demonstrate a potent application using this technology. To overcome the common limitations of most virus neutralization tests, we developed a quick in vitro diagnostic assay based on the fusion of SARS-CoV-2 VLPs with susceptible vesicles to quantitate neutralizing antibodies without the need for infectious viruses or living cells. We validated this method by testing a set of COVID-19 patient serum samples, correlated the results with those of a conventional test, and found good sensitivity and specificity. Furthermore, we demonstrate that this serological assay can be adapted to a human herpesvirus, EBV, and possibly other enveloped viruses.
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Affiliation(s)
- Johannes Roessler
- Department of Otorhinolaryngology, University Hospital, Ludwig-Maximilians-Universität (LMU) München, 81377 Munich, Germany; (J.R.); (R.Z.)
- Research Unit Gene Vectors, Helmholtz Zentrum München, German Research Center for Environmental Health, 81377 Munich, Germany;
- German Centre for Infection Research (DZIF), Partner Site Munich, 81377 Munich, Germany;
| | - Dagmar Pich
- Research Unit Gene Vectors, Helmholtz Zentrum München, German Research Center for Environmental Health, 81377 Munich, Germany;
- German Centre for Infection Research (DZIF), Partner Site Munich, 81377 Munich, Germany;
| | - Verena Krähling
- Institute of Virology, Faculty of Medicine, Philipps University Marburg, 35043 Marburg, Germany; (V.K.); (S.B.)
- German Centre for Infection Research (DZIF), Partner Site Giessen-Marburg-Langen, 35043 Marburg, Germany
| | - Stephan Becker
- Institute of Virology, Faculty of Medicine, Philipps University Marburg, 35043 Marburg, Germany; (V.K.); (S.B.)
- German Centre for Infection Research (DZIF), Partner Site Giessen-Marburg-Langen, 35043 Marburg, Germany
| | - Oliver T. Keppler
- German Centre for Infection Research (DZIF), Partner Site Munich, 81377 Munich, Germany;
- COVID-19 Registry of the LMU Munich (CORKUM), LMU University Hospital, 81377 Munich, Germany
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, Ludwig-Maximilians-Universität (LMU) München, 81377 Munich, Germany
| | - Reinhard Zeidler
- Department of Otorhinolaryngology, University Hospital, Ludwig-Maximilians-Universität (LMU) München, 81377 Munich, Germany; (J.R.); (R.Z.)
- German Centre for Infection Research (DZIF), Partner Site Munich, 81377 Munich, Germany;
- Institute of Structural Biology, Helmholtz Munich, 85764 Neuherberg, Germany
| | - Wolfgang Hammerschmidt
- Research Unit Gene Vectors, Helmholtz Zentrum München, German Research Center for Environmental Health, 81377 Munich, Germany;
- German Centre for Infection Research (DZIF), Partner Site Munich, 81377 Munich, Germany;
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10
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Ravindran R, Kang H, McReynolds C, Sanghar GK, Chang WLW, Ramasamy S, Kolloli A, Kumar R, Subbian S, Hammock BD, Hartigan-O'Connor DJ, Ikram A, Haczku A, Khan IH. Dynamics of temporal immune responses in nonhuman primates and humans immunized with COVID-19 vaccines. PLoS One 2023; 18:e0287377. [PMID: 37856429 PMCID: PMC10586671 DOI: 10.1371/journal.pone.0287377] [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: 01/10/2023] [Accepted: 06/04/2023] [Indexed: 10/21/2023] Open
Abstract
We assessed the humoral immune responses to a COVID-19 vaccine in a well-controlled rhesus macaque model compared to humans immunized with two mRNA vaccines over several months post-second dose. The plasma IgG levels against seven coronaviruses (including SARS-CoV-2) and antibody subtypes (IgG 1-4 and IgM) against SARS-CoV-2 were evaluated using multiplex assays. The neutralization capacity of plasma antibodies against the original SAR-CoV-2 isolate and nine variants was evaluated in vaccinated humans and non-human primates. Immunization of macaques and humans with SARS-CoV-2 vaccines induced a robust neutralizing antibody response. In non-SIV-infected adult macaques immunized with an adenoviral vector expressing S-RBD (n = 7) or N protein (n = 3), elevated levels of IgG and neutralizing antibodies were detected 2 weeks post-second dose. Immune responses to the S-RBD vaccine in SIV-infected adult macaques (n = 2) were similar to the non-SIV-infected animals. Adult humans immunized with Pfizer (n = 35) or Moderna (n = 18) vaccines developed IgG and neutralizing antibodies at 4 weeks post-second dose. In both vaccine groups, IgG 1 was the predominant subtype, followed by IgG 3. The IgG levels, including total and IgG 1,2,3 elicited by the Moderna vaccine, were significantly higher than the corresponding levels elicited by the Pfizer vaccine at 4 weeks post-second dose. A significant correlation was observed between the plasma total IgG antibody levels and neutralization titers in both macaques and humans. Furthermore, broad-spectrum neutralization antibodies against several variants of SARS-CoV-2 were detected in the plasma of both macaques and humans after two vaccinations.
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Affiliation(s)
- Resmi Ravindran
- Department of Pathology and Laboratory Medicine, University of California, Davis, Davis, California, United States of America
| | - Harsharonjit Kang
- Department of Pathology and Laboratory Medicine, University of California, Davis, Davis, California, United States of America
| | - Cindy McReynolds
- Department of Entomology and Nematology, University of California, Davis, Davis, California, United States of America
| | - Gursharan Kaur Sanghar
- Pulmonary, Critical Care and Sleep Medicine, University of California, Davis, Davis, California, United States of America
| | - W L William Chang
- California National Primate Research Center, University of California, Davis, Davis, California, United States of America
| | - Santhamani Ramasamy
- Public Health Research Institute, New Jersey Medical School, Rutgers University, Newark, New Jersey, United States of America
| | - Afsal Kolloli
- Public Health Research Institute, New Jersey Medical School, Rutgers University, Newark, New Jersey, United States of America
| | - Ranjeet Kumar
- Public Health Research Institute, New Jersey Medical School, Rutgers University, Newark, New Jersey, United States of America
| | - Selvakumar Subbian
- Public Health Research Institute, New Jersey Medical School, Rutgers University, Newark, New Jersey, United States of America
| | - Bruce D Hammock
- Department of Entomology and Nematology, University of California, Davis, Davis, California, United States of America
| | - Dennis J Hartigan-O'Connor
- California National Primate Research Center, University of California, Davis, Davis, California, United States of America
| | - Aamer Ikram
- National Institutes of Health, Islamabad, Pakistan
| | - Angela Haczku
- Pulmonary, Critical Care and Sleep Medicine, University of California, Davis, Davis, California, United States of America
| | - Imran H Khan
- Department of Pathology and Laboratory Medicine, University of California, Davis, Davis, California, United States of America
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11
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Li J, Wang J, Wang H. Emerging Landscape of Preclinical Models for Studying COVID-19 Neurologic Diseases. ACS Pharmacol Transl Sci 2023; 6:1323-1339. [PMID: 37854617 PMCID: PMC10580392 DOI: 10.1021/acsptsci.3c00127] [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: 06/21/2023] [Indexed: 10/20/2023]
Abstract
COVID-19 (Coronavirus Disease 2019) is an infectious disease caused by SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) and has globally infected 768 million people and caused over 6 million deaths. COVID-19 primarily affects the respiratory system but increasing reports of neurologic symptoms associated with COVID-19 have been reported in the literature. The exact mechanism behind COVID-19 neurologic pathophysiology remains poorly understood due to difficulty quantifying clinical neurologic symptoms in humans and correlating them to findings in human post-mortem samples and animal models. Thus, robust preclinical experimental models for COVID-19 neurologic manifestations are urgently needed. Here, we review recent advances in in vitro, in vivo, and other models and technologies for studying COVID-19 including primary cell cultures, pluripotent stem cell-derived neurons and organoids, rodents, nonhuman primates, 3D bioprinting, artificial intelligence, and multiomics. We specifically focus our discussion on the contribution, recent advancements, and limitations these preclinical models have on furthering our understanding of COVID-19's neuropathic physiology. We also discuss these models' roles in the screening and development of therapeutics, vaccines, antiviral drugs, and herbal medicine, and on future opportunities for COVID-19 neurologic research and clinical management.
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Affiliation(s)
- Jason Li
- Department
of Neurology, Indiana University School
of Medicine, Indianapolis, Indiana 46202, United States
| | - Jing Wang
- Department
of Cellular and Molecular Medicine, University
of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Hu Wang
- Institute
of Cell Engineering, School of Medicine, Johns Hopkins University, Baltimore 21215, United States
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12
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Mühlemann B, Wilks SH, Baracco L, Bekliz M, Carreño JM, Corman VM, Davis-Gardner ME, Dejnirattisai W, Diamond MS, Douek DC, Drosten C, Eckerle I, Edara VV, Ellis M, Fouchier RAM, Frieman M, Godbole S, Haagmans B, Halfmann PJ, Henry AR, Jones TC, Katzelnick LC, Kawaoka Y, Kimpel J, Krammer F, Lai L, Liu C, Lusvarghi S, Meyer B, Mongkolsapaya J, Montefiori DC, Mykytyn A, Netzl A, Pollett S, Rössler A, Screaton GR, Shen X, Sigal A, Simon V, Subramanian R, Supasa P, Suthar M, Türeli S, Wang W, Weiss CD, Smith DJ. Comparative Analysis of SARS-CoV-2 Antigenicity across Assays and in Human and Animal Model Sera. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.27.559689. [PMID: 37808679 PMCID: PMC10557678 DOI: 10.1101/2023.09.27.559689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
The antigenic evolution of SARS-CoV-2 requires ongoing monitoring to judge the immune escape of newly arising variants. A surveillance system necessitates an understanding of differences in neutralization titers measured in different assays and using human and animal sera. We compared 18 datasets generated using human, hamster, and mouse sera, and six different neutralization assays. Titer magnitude was lowest in human, intermediate in hamster, and highest in mouse sera. Fold change, immunodominance patterns and antigenic maps were similar among sera. Most assays yielded similar results, except for differences in fold change in cytopathic effect assays. Not enough data was available for conclusively judging mouse sera, but hamster sera were a consistent surrogate for human first-infection sera.
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Affiliation(s)
- Barbara Mühlemann
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
- German Centre for Infection Research (DZIF), partner site Charité, 10117 Berlin, Germany
| | - Samuel H Wilks
- Center for Pathogen Evolution, Department of Zoology, University of Cambridge, Cambridge, CB2 3EJ, UK
| | - Lauren Baracco
- Center for Pathogen Research, Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Meriem Bekliz
- Department of Medicine, Faculty of Medicine, University of Geneva, Switzerland
- Centre for Emerging Viral Diseases, University Hospitals of Geneva and University of Geneva, Switzerland
| | - Juan Manuel Carreño
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Victor M Corman
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
- German Centre for Infection Research (DZIF), partner site Charité, 10117 Berlin, Germany
| | - Meredith E Davis-Gardner
- Department of Pediatrics, Emory Vaccine Center, Emory National Primate Research Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Wanwisa Dejnirattisai
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7BN, UK
- Division of Emerging Infectious Disease, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok 10700, Thailand
| | - Michael S Diamond
- Departments of Medicine, Molecular Microbiology, Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
- Andrew M. and Jane M. Bursky the Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA
- Center for Vaccines and Immunity to Microbial Pathogens, Washington University School of Medicine, St. Louis, MO, USA
| | - Daniel C Douek
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Christian Drosten
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
- German Centre for Infection Research (DZIF), partner site Charité, 10117 Berlin, Germany
| | - Isabella Eckerle
- Department of Medicine, Faculty of Medicine, University of Geneva, Switzerland
- Centre for Emerging Viral Diseases, University Hospitals of Geneva and University of Geneva, Switzerland
- Division of Infectious Diseases, Geneva University Hospitals, Geneva, Switzerland
| | - Venkata-Viswanadh Edara
- Department of Pediatrics, Emory Vaccine Center, Emory National Primate Research Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Madison Ellis
- Department of Pediatrics, Emory Vaccine Center, Emory National Primate Research Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Ron A M Fouchier
- Viroscience Department, Erasmus Medical Center, Rotterdam, Netherlands
| | - Matthew Frieman
- Center for Pathogen Research, Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Sucheta Godbole
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Bart Haagmans
- Viroscience Department, Erasmus Medical Center, Rotterdam, Netherlands
| | - Peter J Halfmann
- Influenza Research Institute, Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Amy R Henry
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Terry C Jones
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
- German Centre for Infection Research (DZIF), partner site Charité, 10117 Berlin, Germany
- Center for Pathogen Evolution, Department of Zoology, University of Cambridge, Cambridge, CB2 3EJ, UK
| | - Leah C Katzelnick
- Viral Epidemiology and Immunity Unit, Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Yoshihiro Kawaoka
- Influenza Research Institute, Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
- Division of Virology, Institute of Medical Science, University of Tokyo, Tokyo 108-8639, Japan
- The Research Center for Global Viral Diseases, National Center for Global Health and Medicine Research Institute, Tokyo 162-8655, Japan
- Pandemic Preparedness, Infection and Advanced Research Center (UTOPIA), University of Tokyo, Tokyo 162-8655, Japan
| | - Janine Kimpel
- Institute of Virology, Department of Hygiene, Microbiology and Public Health, Medical University of Innsbruck, Peter-Mayr-Str. 4b, 6020 Innsbruck, Austria
| | - Florian Krammer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Pathology, Cellular and Molecular Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Lilin Lai
- Department of Pediatrics, Emory Vaccine Center, Emory National Primate Research Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Chang Liu
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7BN, UK
- Chinese Academy of Medical Science (CAMS) Oxford Institute (COI), University of Oxford, Oxford, UK
| | - Sabrina Lusvarghi
- Division of Viral Products, Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD 20903, USA
| | - Benjamin Meyer
- Centre of Vaccinology, Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland
| | - Juthathip Mongkolsapaya
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7BN, UK
- Chinese Academy of Medical Science (CAMS) Oxford Institute (COI), University of Oxford, Oxford, UK
| | - David C Montefiori
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Anna Mykytyn
- Viroscience Department, Erasmus Medical Center, Rotterdam, Netherlands
| | - Antonia Netzl
- Center for Pathogen Evolution, Department of Zoology, University of Cambridge, Cambridge, CB2 3EJ, UK
| | - Simon Pollett
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Annika Rössler
- Institute of Virology, Department of Hygiene, Microbiology and Public Health, Medical University of Innsbruck, Peter-Mayr-Str. 4b, 6020 Innsbruck, Austria
| | - Gavin R Screaton
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7BN, UK
- Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Xiaoying Shen
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Alex Sigal
- Africa Health Research Institute, Durban, South Africa
- School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa
- Centre for the AIDS Programme of Research in South Africa, Durban, South Africa
| | - Viviana Simon
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Pathology, Cellular and Molecular Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Division of Infectious Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- The Global Health and Emerging Pathogen Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Rahul Subramanian
- Office of Data Science and Emerging Technologies, Office of Science Management and Operations, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Piyada Supasa
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7BN, UK
| | - Mehul Suthar
- Department of Pediatrics, Emory Vaccine Center, Emory National Primate Research Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Sina Türeli
- Center for Pathogen Evolution, Department of Zoology, University of Cambridge, Cambridge, CB2 3EJ, UK
| | - Wei Wang
- Division of Viral Products, Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD 20903, USA
| | - Carol D Weiss
- Division of Viral Products, Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD 20903, USA
| | - Derek J Smith
- Center for Pathogen Evolution, Department of Zoology, University of Cambridge, Cambridge, CB2 3EJ, UK
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13
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AbdelWareth L, Alhousani F, Abuyadek R, Donnelly J, Leinberger-Jabari A, Atef S, Al-Rifai RH. Natural infection versus hybrid (natural and vaccination) humoral immune response to SARS-CoV-2: a comparative paired analysis. Front Immunol 2023; 14:1230974. [PMID: 37720219 PMCID: PMC10502301 DOI: 10.3389/fimmu.2023.1230974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 08/04/2023] [Indexed: 09/19/2023] Open
Abstract
Objectives There is substantial immunological evidence that vaccination following natural infection increases protection. We compare the humoral immune response developed in initially seropositive individuals (naturally infected) to humoral hybrid immune response (developed after infection and vaccination) in the same population group after one year. Methods The study included 197 male individuals who were naturally infected with SARS-CoV-2 and then vaccinated with SARS-CoV-2 vaccine. Trimeric spike, nucleocapsid, and ACE2-RBD blocking antibodies for SARS-CoV-2 were measured. Nasal swabs were collected for SARS-CoV-2 PCR testing. Information on vaccination against SARS-CoV-2 and PCR verified infection was retrieved from official databases (Abu Dhabi Health Data Services- SP LLC. ("Malaffi"), including number of vaccine doses received, date of vaccination, and type of the received vaccine. Results All the study population were tested PCR-Negative at the time of sample collection. Our results showed that there was a significant rise in the mean (SD) and median (IQR) titers of trimeric spike, nucleocapsid and ACE2-RBD blocking antibodies in the post-vaccination stage. The mean (± SD) and median (IQR) concentration of the anti-S antibody rose by 3.3-fold (+230% ± 197% SD) and 2.8-fold (+185%, 220-390%, p<0.001), respectively. There was an observed positive dose-response relationship between number of the received vaccine doses and having higher proportion of study participants with higher than median concentration in the difference between the measured anti-S and ACE2-RBD blocking antibodies in the post-vaccination compared to pre-vaccination. Conclusion Our study demonstrates that COVID-19 vaccination post natural infection elicits a robust immunological response with an impressive rise of SARS-CoV-2 antibodies, especially the ACE2-RBD blocking antibodies.
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Affiliation(s)
- Laila AbdelWareth
- National Reference Laboratory, Abu Dhabi, United Arab Emirates
- Pathology & Laboratory Medicine Institute (PLMI), Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Farida Alhousani
- Abu Dhabi Public Health Center (ADPHC), Abu Dhabi, United Arab Emirates
| | - Rowan Abuyadek
- Abu Dhabi Public Health Center (ADPHC), Abu Dhabi, United Arab Emirates
- High Institute of Public Health, Alexandria University, Alexandria, Egypt
| | - James Donnelly
- National Reference Laboratory, Abu Dhabi, United Arab Emirates
| | | | - Shereen Atef
- National Reference Laboratory, Abu Dhabi, United Arab Emirates
- Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Rami H. Al-Rifai
- Institute of Public Health, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
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14
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Stadler E, Burgess MT, Schlub TE, Khan SR, Chai KL, McQuilten ZK, Wood EM, Polizzotto MN, Kent SJ, Cromer D, Davenport MP, Khoury DS. Monoclonal antibody levels and protection from COVID-19. Nat Commun 2023; 14:4545. [PMID: 37507368 PMCID: PMC10382502 DOI: 10.1038/s41467-023-40204-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Multiple monoclonal antibodies have been shown to be effective for both prophylaxis and therapy for SARS-CoV-2 infection. Here we aggregate data from randomized controlled trials assessing the use of monoclonal antibodies (mAb) in preventing symptomatic SARS-CoV-2 infection. We use data on the in vivo concentration of mAb and the associated protection from COVID-19 over time to model the dose-response relationship of mAb for prophylaxis. We estimate that 50% protection from COVID-19 is achieved with a mAb concentration of 96-fold of the in vitro IC50 (95% CI: 32-285). This relationship provides a tool for predicting the prophylactic efficacy of new mAb and against SARS-CoV-2 variants. Finally, we compare the relationship between neutralization titer and protection from COVID-19 after either mAb treatment or vaccination. We find no significant difference between the 50% protective titer for mAb and vaccination, although sample sizes limited the power to detect a difference.
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Affiliation(s)
- Eva Stadler
- Kirby Institute, University of New South Wales, Sydney, NSW, Australia
| | - Martin T Burgess
- School of Mathematics and Statistics, University of New South Wales, Sydney, NSW, Australia
| | - Timothy E Schlub
- Sydney School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Shanchita R Khan
- Kirby Institute, University of New South Wales, Sydney, NSW, Australia
| | - Khai Li Chai
- Transfusion Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Zoe K McQuilten
- Transfusion Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
- Department of Clinical Haematology, Monash Health, Clayton, VIC, Australia
| | - Erica M Wood
- Transfusion Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
- Department of Clinical Haematology, Monash Health, Clayton, VIC, Australia
| | - Mark N Polizzotto
- Clinical Hub for Interventional Research, College of Health and Medicine, The Australian National University, Canberra, ACT, Australia
- Department of Clinical Haematology, Canberra Region Cancer Centre, The Canberra Hospital, Canberra, ACT, Australia
| | - Stephen J Kent
- Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
- Melbourne Sexual Health Centre and Department of Infectious Diseases, Alfred Hospital and Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Deborah Cromer
- Kirby Institute, University of New South Wales, Sydney, NSW, Australia
| | - Miles P Davenport
- Kirby Institute, University of New South Wales, Sydney, NSW, Australia.
| | - David S Khoury
- Kirby Institute, University of New South Wales, Sydney, NSW, Australia.
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15
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Miguel-Batuecas A, Fuertes-Recuero M, Díaz-Regañón D, Ortiz-Díez G, Revuelta L, De Pablo-Moreno JA. Animal Research in Spain: A Study of Public Perception and Attitudes. Animals (Basel) 2023; 13:2039. [PMID: 37370549 DOI: 10.3390/ani13122039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/09/2023] [Accepted: 06/19/2023] [Indexed: 06/29/2023] Open
Abstract
Since the time of Hippocrates in the 4th century BC, animal research has been extensively used for various purposes up to the present day. However, the use of animals for research has also been controversial for a long time. We report the findings of a public, online questionnaire-based survey designed to assess the opinions of a sample of Spanish society regarding animal research. Demographic data and opinions were obtained from 806 respondents. The results indicated a high level of acceptance of animal research (73.1%). However, certain factors, such as completing the questionnaire immediately after a reading negative media report (OR = 2.41; 95%CI: 1.64-3.54; p < 0.001), being a woman (OR = 1.77; 95%CI: 1.24-2.53; p = 0.002) or having a non-scientific background (OR = 2.47; 95%CI: 1.76-3.47; p < 0.001), were associated with a tendency towards a more negative opinion. The opinions seemed to be influenced by gender, education level and by protest incidents reported in the media. Our results also indicate that a lot of information regarding animal welfare, such as care and handling protocols, along with legislation was unknown to individuals. Further, a growing popularity of companion species and opposition to animal experimentation for non-biomedical purposes were reflected in the responses obtained. The use of animals for research purposes emerged as a sensitive social issue in terms of concerns about animal ethics and welfare.
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Affiliation(s)
- Andrea Miguel-Batuecas
- Department of Genetics, Physiology and Microbiology, School of Biology, Complutense University of Madrid, C/José Antonio Novais 12, 28040 Madrid, Spain
| | - Manuel Fuertes-Recuero
- Department of Physiology, College of Veterinary Medicine, Complutense University of Madrid, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - David Díaz-Regañón
- Department of Animal Medicine and Surgery, College of Veterinary Medicine, Complutense University of Madrid, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Gustavo Ortiz-Díez
- Department of Animal Medicine and Surgery, College of Veterinary Medicine, Complutense University of Madrid, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Luis Revuelta
- Department of Physiology, College of Veterinary Medicine, Complutense University of Madrid, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Juan A De Pablo-Moreno
- Department of Genetics, Physiology and Microbiology, School of Biology, Complutense University of Madrid, C/José Antonio Novais 12, 28040 Madrid, Spain
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16
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Dunn DT, Gilson R, McCormack S, McCoy LE. Licenced doses of approved COVID-19 vaccines may not be optimal: A review of the early-phase, dose-finding trials. Vaccine 2023:S0264-410X(23)00712-0. [PMID: 37355453 PMCID: PMC10272950 DOI: 10.1016/j.vaccine.2023.06.037] [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: 12/19/2022] [Revised: 06/09/2023] [Accepted: 06/09/2023] [Indexed: 06/26/2023]
Abstract
Although over 13 billion COVID-19 vaccine doses have been administered globally, the issue of whether the optimal doses are being used has received little attention. To address this question we reviewed the reports of early-phase dose-finding trials of the nine COVID-19 vaccines approved by World Health Organization, extracting information on study design and findings on reactogenicity and early humoral immune response. The number of different doses evaluated for each vaccine varied widely (range 1-7), as did the number of subjects studied per dose (range 15-190). As expected, the frequency and severity of adverse reactions generally increased at higher doses, although most were clinically tolerable. Higher doses also tended to elicit better immune responses, but differences between the highest dose and the second-highest dose evaluated were small, typically less than 1.6-fold for both binding antibody concentration and neutralising antibody titre. All of the trials had at least one important design limitation - few doses evaluated, large gaps between adjacent doses, or an inadequate sample size - although this is not a criticism of the study investigators, who were working under intense time pressures at the start of the epidemic. It is therefore open to question whether the single dose taken into clinical efficacy trials, and subsequently authorised by regulatory agencies, was optimal. In particular, our analysis indicates that the recommended doses for some vaccines appear to be unnecessarily high. Although reduced dosing for booster injections is an active area of research, the priming dose also merits study. We conclude by suggesting improvements in the design of future vaccine trials, for both next-generation COVID-19 vaccines and for vaccines against other pathogens.
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Affiliation(s)
- David T Dunn
- Institute for Global Health, University College London, London, UK; MRC Clinical Trials Unit, University College London, London, UK.
| | - Richard Gilson
- Institute for Global Health, University College London, London, UK
| | | | - Laura E McCoy
- Institute of Immunity and Transplantation, Division of Infection & Immunity, University College London, London, UK
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17
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Ssemadaali MA, Arredondo J, Buser EA, Newmyer S, Radhakrishnan H, Javitz HS, Dandekar S, Bhatnagar P. Genetically engineered pair of cells for serological testing and its application for SARS-CoV-2. Bioeng Transl Med 2023; 8:e10508. [PMID: 37206248 PMCID: PMC10189431 DOI: 10.1002/btm2.10508] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 03/04/2023] [Indexed: 05/21/2023] Open
Abstract
We have developed a serology test platform for identifying individuals with prior exposure to specific viral infections and provide data to help reduce public health risks. The serology test composed of a pair of cell lines engineered to express either a viral envelop protein (Target Cell) or a receptor to recognize the Fc region of an antibody (Reporter Cell), that is, Diagnostic-Cell-Complex (DxCell-Complex). The formation of an immune synapse, facilitated by the analyte antibody, resulted into a dual-reporter protein expression by the Reporter Cell. We validated it with human serum with confirmed history of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. No signal amplification steps were necessary. The DxCell-Complex quantitatively detected the target-specific immunoglobulin G (IgG) within 1 h. Validation with clinical human serum containing SARS-CoV-2 IgG antibodies confirmed 97.04% sensitivity and 93.33% specificity. The platform can be redirected against other antibodies. Self-replication and activation-induced cell signaling, two attributes of the cell, will enable rapid and cost-effective manufacturing and its operation in healthcare facilities without requiring time-consuming signal amplification steps.
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Affiliation(s)
| | - Juan Arredondo
- Medical Microbiology and ImmunologyUniversity of California DavisDavisCalifornia95616United States
| | - Elise A. Buser
- Medical Microbiology and ImmunologyUniversity of California DavisDavisCalifornia95616United States
| | - Sherri Newmyer
- Biosciences DivisionSRI InternationalMenlo ParkCalifornia94025United States
| | | | - Harold S. Javitz
- Education DivisionSRI InternationalMenlo ParkCalifornia94025United States
| | - Satya Dandekar
- Medical Microbiology and ImmunologyUniversity of California DavisDavisCalifornia95616United States
| | - Parijat Bhatnagar
- Biosciences DivisionSRI InternationalMenlo ParkCalifornia94025United States
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18
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Solomon IH, Singh A, Folkerth RD, Mukerji SS. What Can We Still Learn from Brain Autopsies in COVID-19? Semin Neurol 2023. [PMID: 37023787 DOI: 10.1055/s-0043-1767716] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
Abstract
Neuropathological findings have been published from ∼900 patients who died with or from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections, representing less than 0.01% of the close to 6.4 million deaths reported to the World Health Organization 2 years into the coronavirus disease 2019 (COVID-19) pandemic. In this review, we extend our prior work summarizing COVID-19 neuropathology by including information on published autopsies up to June 2022, and neuropathological studies in children, COVID-19 variants, secondary brain infections, ex vivo brain imaging, and autopsies performed in countries outside of the United States or Europe. We also summarize research studies that investigate mechanisms of neuropathogenesis in nonhuman primates and other models. While a pattern of cerebrovascular pathology and microglial-predominant inflammation remains the primary COVID-19-associated neuropathological finding, there is no singular understanding of the mechanisms that underlie neurological symptoms in acute COVID-19 or the post-acute COVID-19 condition. Thus, it is paramount that we incorporate microscopic and molecular findings from brain tissue into what we know about the clinical disease so that we attain best practice guidance and direct research priorities for the study of the neurological morbidity of COVID-19.
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Affiliation(s)
- Isaac H Solomon
- Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Arjun Singh
- Division of Neuroimmunology and Neuro-Infectious Diseases, Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts
- Healing Hospital, Chandigarh, India
| | - Rebecca D Folkerth
- Office of Chief Medical Examiner and Department of Forensic Medicine, New York University School of Medicine, New York, New York
| | - Shibani S Mukerji
- Harvard Medical School, Boston, Massachusetts
- Division of Neuroimmunology and Neuro-Infectious Diseases, Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts
- Division of Infectious Diseases, Vaccine and Immunotherapy Center, Massachusetts General Hospital, Charlestown, Massachusetts
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19
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Zhang Y, Chen Y, He Y, Li Y, Zhang X, Liang J, He J, Lu S, Gao Z, Xu J, Tang Y. Development of receptor binding domain-based double-antigen sandwich lateral flow immunoassay for the detection and evaluation of SARS-CoV-2 neutralizing antibody in clinical sera samples compared with the conventional virus neutralization test. Talanta 2023; 255:124200. [PMID: 36565525 PMCID: PMC9767659 DOI: 10.1016/j.talanta.2022.124200] [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: 10/25/2022] [Revised: 12/06/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Vaccination is an effective strategy to fight COVID-19. However, the effectiveness of the vaccine varies among different populations in varying immune effects. Neutralizing antibody (NAb) level is an important indicator to evaluate the protective effect of immune response after vaccination. Lateral flow immunoassay (LFIA) is a rapid, safe and sensitivity detection method, which has great potential in the detection of SARS-CoV-2 NAb. In this study, a fluorescent beads-based lateral flow immunoassay (FBs-LFIA) and a latex beads-based LFIA (LBs-LFIA) using double antigen sandwich (DAS) strategy were established to detect NAbs in the serum of vaccinated people. The limit of detection (LoD) of the FBs-LFIA was 1.13 ng mL- 1 and the LBs-LFIA was 7.11 ng mL- 1. The two LFIAs were no cross-reactive with sera infected by other pathogenic bacteria. Furthermore, the two LFIAs showed a good performance in testing clinical samples. The sensitivity of FBs-LFIA and LBs-LFIA were 97.44% (95%CI: 93.15%-99.18%) and 98.29% (95%CI: 95.84%-99.37%), and the specificity were 98.28% (95%CI: 95.37%-99.45%) and 97.70% (95%CI: 94.82%-99.06%) compared with the conventional virus neutralization test (cVNT), respectively. Notably, the LBs-LFIA was also suitable for whole blood sample, requiring only 3 μL of whole blood, which provided the possibility to detect NAbs at home. To sum up, the two LFIAs based on double antigen sandwich established by us can rapidly, safely, sensitively and accurately detect SARS-CoV-2 NAb in human serum.
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Affiliation(s)
- Ying Zhang
- Department of Bioengineering, Guangdong Province Engineering Research Center of Antibody Drug and Immunoassay, Jinan University, Guangzhou, 510632, PR China
| | - Yixiao Chen
- Department of Bioengineering, Guangdong Province Engineering Research Center of Antibody Drug and Immunoassay, Jinan University, Guangzhou, 510632, PR China
| | - Yong He
- Department of Bioengineering, Guangdong Province Engineering Research Center of Antibody Drug and Immunoassay, Jinan University, Guangzhou, 510632, PR China
| | - Yizhe Li
- Department of Laboratory Science, Shunde Hospital of Guangzhou University of Chinese Medicine, Foshan, 528000, PR China
| | - Xiaoli Zhang
- Department of Bioengineering, Guangdong Province Engineering Research Center of Antibody Drug and Immunoassay, Jinan University, Guangzhou, 510632, PR China
| | - Jiajie Liang
- Department of Oncology, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Jinyong He
- Department of Laboratory Science, Shunde Hospital of Guangzhou University of Chinese Medicine, Foshan, 528000, PR China
| | - Shaofang Lu
- Department of Laboratory Science, Shunde Hospital of Guangzhou University of Chinese Medicine, Foshan, 528000, PR China
| | - Zhixing Gao
- Department of Bioengineering, Guangdong Province Engineering Research Center of Antibody Drug and Immunoassay, Jinan University, Guangzhou, 510632, PR China
| | - Jianhua Xu
- Department of Laboratory Science, Shunde Hospital of Guangzhou University of Chinese Medicine, Foshan, 528000, PR China,Corresponding author
| | - Yong Tang
- Department of Bioengineering, Guangdong Province Engineering Research Center of Antibody Drug and Immunoassay, Jinan University, Guangzhou, 510632, PR China,Corresponding author
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20
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Cromer D, Steain M, Reynaldi A, Schlub TE, Khan SR, Sasson SC, Kent SJ, Khoury DS, Davenport MP. Predicting vaccine effectiveness against severe COVID-19 over time and against variants: a meta-analysis. Nat Commun 2023; 14:1633. [PMID: 36964146 PMCID: PMC10036966 DOI: 10.1038/s41467-023-37176-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 03/06/2023] [Indexed: 03/26/2023] Open
Abstract
Vaccine protection from symptomatic SARS-CoV-2 infection has been shown to be strongly correlated with neutralising antibody titres; however, this has not yet been demonstrated for severe COVID-19. To explore whether this relationship also holds for severe COVID-19, we performed a systematic search for studies reporting on protection against different SARS-CoV-2 clinical endpoints and extracted data from 15 studies. Since matched neutralising antibody titres were not available, we used the vaccine regimen, time since vaccination and variant of concern to predict corresponding neutralising antibody titres. We then compared the observed vaccine effectiveness reported in these studies to the protection predicted by a previously published model of the relationship between neutralising antibody titre and vaccine effectiveness against severe COVID-19. We find that predicted neutralising antibody titres are strongly correlated with observed vaccine effectiveness against symptomatic (Spearman [Formula: see text] = 0.95, p < 0.001) and severe (Spearman [Formula: see text] = 0.72, p < 0.001 for both) COVID-19 and that the loss of neutralising antibodies over time and to new variants are strongly predictive of observed vaccine protection against severe COVID-19.
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Affiliation(s)
- Deborah Cromer
- Kirby Institute, University of New South Wales, Sydney, Australia.
| | - Megan Steain
- Sydney Institute of Infectious Diseases and Charles Perkins Centre, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
| | - Arnold Reynaldi
- Kirby Institute, University of New South Wales, Sydney, Australia
| | - Timothy E Schlub
- Kirby Institute, University of New South Wales, Sydney, Australia
- Sydney School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Shanchita R Khan
- Kirby Institute, University of New South Wales, Sydney, Australia
| | - Sarah C Sasson
- Kirby Institute, University of New South Wales, Sydney, Australia
| | - Stephen J Kent
- Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
- Melbourne Sexual Health Centre and Department of Infectious Diseases, Alfred Hospital and Central Clinical School, Monash University, Melbourne, Australia
| | - David S Khoury
- Kirby Institute, University of New South Wales, Sydney, Australia
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21
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Khoury DS, Schlub TE, Cromer D, Steain M, Fong Y, Gilbert PB, Subbarao K, Triccas JA, Kent SJ, Davenport MP. Correlates of Protection, Thresholds of Protection, and Immunobridging among Persons with SARS-CoV-2 Infection. Emerg Infect Dis 2023; 29:381-388. [PMID: 36692375 PMCID: PMC9881762 DOI: 10.3201/eid2902.221422] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Several studies have shown that neutralizing antibody levels correlate with immune protection from COVID-19 and have estimated the relationship between neutralizing antibodies and protection. However, results of these studies vary in terms of estimates of the level of neutralizing antibodies required for protection. By normalizing antibody titers, we found that study results converge on a consistent relationship between antibody levels and protection from COVID-19. This finding can be useful for planning future vaccine use, determining population immunity, and reducing the global effects of the COVID-19 pandemic.
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22
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Barnwal A, Basu B, Tripathi A, Soni N, Mishra D, Banerjee A, Kumar R, Vrati S, Bhattacharyya J. SARS-CoV-2 Spike Protein-Activated Dendritic Cell-Derived Extracellular Vesicles Induce Antiviral Immunity in Mice. ACS Biomater Sci Eng 2022; 8:5338-5348. [PMID: 36445062 PMCID: PMC9717688 DOI: 10.1021/acsbiomaterials.2c01094] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 11/17/2022] [Indexed: 11/30/2022]
Abstract
The onset and spread of the SARS-CoV-2 virus have created an unprecedented universal crisis. Although vaccines have been developed against the parental SARS-CoV-2, outbreaks of the disease still occur through the appearance of different variants, suggesting a continuous need for improved and effective therapeutic strategies. Therefore, we developed a novel nanovesicle presenting Spike protein on the surface of the dendritic cell-derived extracellular vesicles (DEVs) for use as a potential vaccine platform against SARS-CoV-2. DEVs express peptide/MHC-I (pMHC-I) complexes, CCR-7, on their surface. The immunogenicity and efficacy of the Spike-activated DEVs were tested in mice and compared with free Spike protein. A 1/10 Spike equivalent dose of DEVs showed a superior potency in inducing anti-Spike IgG titers in blood of mice when compared to dendritic cells or free Spike protein treatment. Moreover, DEV-induced sera effectively reduced viral infection by 55-60% within 15 days of booster dose administration. Furthermore, a 1/10 Spike equivalent dose of DEV-treated mice was found to be equally effective in inducing CD19+CD38+ T-cells in the spleen and lymph node; CD8 cells in the bone marrow, spleen, and lymph node; and CD4+CD25+ T-cells in the spleen and lymph node after 90 days of treatment. Thus, our results support the immunogenic nature of DEVs, demonstrating that a low dose of DEVs induces antibodies to inhibit SARS-CoV-2 infection in vitro, therefore warranting further investigations.
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Affiliation(s)
- Anjali Barnwal
- Centre for Biomedical
Engineering, Indian Institute of Technology
Delhi, New Delhi 110016, India
- Department
of Biomedical Engineering, All India Institute
of Medical Science, New Delhi 110029, India
| | - Brohmomoy Basu
- Laboratory
of Virology, Regional Centre for Biotechnology, Faridabad 121001, Haryana, India
| | - Aarti Tripathi
- Laboratory
of Virology, Regional Centre for Biotechnology, Faridabad 121001, Haryana, India
| | - Naina Soni
- Laboratory
of Virology, Regional Centre for Biotechnology, Faridabad 121001, Haryana, India
| | - Debasish Mishra
- Laboratory
of Virology, Regional Centre for Biotechnology, Faridabad 121001, Haryana, India
| | - Arup Banerjee
- Laboratory
of Virology, Regional Centre for Biotechnology, Faridabad 121001, Haryana, India
| | - Rajesh Kumar
- Translational
Health Science & Technology Institute, Faridabad 121001, Haryana, India
| | - Sudhanshu Vrati
- Laboratory
of Virology, Regional Centre for Biotechnology, Faridabad 121001, Haryana, India
| | - Jayanta Bhattacharyya
- Centre for Biomedical
Engineering, Indian Institute of Technology
Delhi, New Delhi 110016, India
- Department
of Biomedical Engineering, All India Institute
of Medical Science, New Delhi 110029, India
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23
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Predicting unseen antibodies’ neutralizability via adaptive graph neural networks. NAT MACH INTELL 2022. [DOI: 10.1038/s42256-022-00553-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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24
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Sanz-Leon P, Hamilton LHW, Raison SJ, Pan AJX, Stevenson NJ, Stuart RM, Abeysuriya RG, Kerr CC, Lambert SB, Roberts JA. Modelling herd immunity requirements in Queensland: impact of vaccination effectiveness, hesitancy and variants of SARS-CoV-2. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2022; 380:20210311. [PMID: 35965469 PMCID: PMC9376720 DOI: 10.1098/rsta.2021.0311] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 06/13/2022] [Indexed: 05/21/2023]
Abstract
Long-term control of SARS-CoV-2 outbreaks depends on the widespread coverage of effective vaccines. In Australia, two-dose vaccination coverage of above 90% of the adult population was achieved. However, between August 2020 and August 2021, hesitancy fluctuated dramatically. This raised the question of whether settings with low naturally derived immunity, such as Queensland where less than [Formula: see text] of the population is known to have been infected in 2020, could have achieved herd immunity against 2021's variants of concern. To address this question, we used the agent-based model Covasim. We simulated outbreak scenarios (with the Alpha, Delta and Omicron variants) and assumed ongoing interventions (testing, tracing, isolation and quarantine). We modelled vaccination using two approaches with different levels of realism. Hesitancy was modelled using Australian survey data. We found that with a vaccine effectiveness against infection of 80%, it was possible to control outbreaks of Alpha, but not Delta or Omicron. With 90% effectiveness, Delta outbreaks may have been preventable, but not Omicron outbreaks. We also estimated that a decrease in hesitancy from 20% to 14% reduced the number of infections, hospitalizations and deaths by over 30%. Overall, we demonstrate that while herd immunity may not be attainable, modest reductions in hesitancy and increases in vaccine uptake may greatly improve health outcomes. This article is part of the theme issue 'Technical challenges of modelling real-life epidemics and examples of overcoming these'.
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Affiliation(s)
- Paula Sanz-Leon
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Lachlan H W Hamilton
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Sebastian J Raison
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Anna J X Pan
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Nathan J Stevenson
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Robyn M Stuart
- Department of Mathematical Sciences, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | | | - Cliff C Kerr
- Institute for Disease Modeling, Bill and Melinda Gates Foundation, Seattle, WA 98109, USA
| | - Stephen B Lambert
- National Centre for Immunisation Research and Surveillance for Vaccine Preventable Diseases, Westmead, NSW 2145, Australia
| | - James A Roberts
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
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25
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Wei X, Rong N, Liu J. Prospects of animal models and their application in studies on adaptive immunity to SARS-CoV-2. Front Immunol 2022; 13:993754. [PMID: 36189203 PMCID: PMC9523127 DOI: 10.3389/fimmu.2022.993754] [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: 07/14/2022] [Accepted: 09/05/2022] [Indexed: 01/08/2023] Open
Abstract
The adaptive immune response induced by SARS-CoV-2 plays a key role in the antiviral process and can protect the body from the threat of infection for a certain period of time. However, owing to the limitations of clinical studies, the antiviral mechanisms, protective thresholds, and persistence of the immune memory of adaptive immune responses remain unclear. This review summarizes existing research models for SARS-CoV-2 and elaborates on the advantages of animal models in simulating the clinical symptoms of COVID-19 in humans. In addition, we systematically summarize the research progress on the SARS-CoV-2 adaptive immune response and the remaining key issues, as well as the application and prospects of animal models in this field. This paper provides direction for in-depth analysis of the anti-SARS-CoV-2 mechanism of the adaptive immune response and lays the foundation for the development and application of vaccines and drugs.
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Affiliation(s)
- Xiaohui Wei
- National Health Commission Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | | | - Jiangning Liu
- National Health Commission Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
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26
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Weidenbacher PAB, Waltari E, de Los Rios Kobara I, Bell BN, Morris MK, Cheng YC, Hanson C, Pak JE, Kim PS. Converting non-neutralizing SARS-CoV-2 antibodies into broad-spectrum inhibitors. Nat Chem Biol 2022; 18:1270-1276. [PMID: 36076082 PMCID: PMC9596371 DOI: 10.1038/s41589-022-01140-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 08/10/2022] [Indexed: 01/07/2023]
Abstract
Omicron and its subvariants have rendered most authorized monoclonal antibody-based treatments for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ineffective, highlighting the need for biologics capable of overcoming SARS-CoV-2 evolution. These mostly ineffective antibodies target variable epitopes. Here we describe broad-spectrum SARS-CoV-2 inhibitors developed by tethering the SARS-CoV-2 receptor, angiotensin-converting enzyme 2 (ACE2), to known non-neutralizing antibodies that target highly conserved epitopes in the viral spike protein. These inhibitors, called receptor-blocking conserved non-neutralizing antibodies (ReconnAbs), potently neutralize all SARS-CoV-2 variants of concern (VOCs), including Omicron. Neutralization potency is lost when the linker joining the binding and inhibitory ReconnAb components is severed. In addition, a bi-functional ReconnAb, made by linking ACE2 to a bi-specific antibody targeting two non-overlapping conserved epitopes, defined here, shows sub-nanomolar neutralizing activity against all VOCs, including Omicron and BA.2. Given their conserved targets and modular nature, ReconnAbs have the potential to act as broad-spectrum therapeutics against SARS-CoV-2 and other emerging pandemic diseases. ![]()
SARS-CoV-2 spike-directed, non-neutralizing antibodies were converted into broad-spectrum inhibitors by conjugation to the SARS-CoV-2 receptor, ACE2, resulting in fusion proteins that target all SARS-CoV-2 variants of concern tested.
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Affiliation(s)
- Payton A-B Weidenbacher
- Sarafan ChEM-H, Stanford University, Stanford, CA, USA.,Department of Chemistry, Stanford University, Stanford, CA, USA
| | | | | | - Benjamin N Bell
- Sarafan ChEM-H, Stanford University, Stanford, CA, USA.,Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Ya-Chen Cheng
- Sarafan ChEM-H, Stanford University, Stanford, CA, USA.,Department of Biochemistry, School of Medicine, Stanford University, Stanford, CA, USA
| | - Carl Hanson
- California Department of Public Health, Richmond, CA, USA
| | - John E Pak
- Chan Zuckerberg Biohub, San Francisco, CA, USA
| | - Peter S Kim
- Sarafan ChEM-H, Stanford University, Stanford, CA, USA. .,Chan Zuckerberg Biohub, San Francisco, CA, USA. .,Department of Biochemistry, School of Medicine, Stanford University, Stanford, CA, USA.
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27
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Tao K, Tzou PL, Kosakovsky Pond SL, Ioannidis JPA, Shafer RW. Susceptibility of SARS-CoV-2 Omicron Variants to Therapeutic Monoclonal Antibodies: Systematic Review and Meta-analysis. Microbiol Spectr 2022; 10:e0092622. [PMID: 35700134 PMCID: PMC9430471 DOI: 10.1128/spectrum.00926-22] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/28/2022] [Indexed: 12/11/2022] Open
Abstract
SARS-CoV-2 Omicron variants contain many mutations in its spike receptor-binding domain, the target of all authorized monoclonal antibodies (MAbs). Determining the extent to which Omicron variants reduced MAb susceptibility is critical to preventing and treating COVID-19. We systematically reviewed PubMed and three preprint servers, last updated 11 April 2022, for the in vitro activity of authorized MAbs against the Omicron variants. Fifty-one studies were eligible, including 50 containing Omicron BA.1 susceptibility data and 17 containing Omicron BA.2 susceptibility data. The first two authorized MAb combinations, bamlanivimab/etesevimab and casirivimab/imdevimab, were largely inactive against the Omicron BA.1 and BA.2 variants. In 34 studies, sotrovimab displayed a median 4.0-fold (interquartile range [IQR]: 2.6 to 6.9) reduction in activity against Omicron BA.1, and in 12 studies, it displayed a median 17-fold (IQR: 13 to 30) reduction in activity against Omicron BA.2. In 15 studies, the combination cilgavimab/tixagevimab displayed a median 86-fold (IQR: 27 to 151) reduction in activity against Omicron BA.1, and in six studies, it displayed a median 5.4-fold (IQR: 3.7 to 6.9) reduction in activity against Omicron BA.2. In eight studies against Omicron BA.1 and six studies against Omicron BA.2, bebtelovimab displayed no reduction in activity. Disparate results between assays were common. For authorized MAbs, 51/268 (19.0%) results for wild-type control variants and 78/348 (22.4%) results for Omicron BA.1 and BA.2 variants were more than 4-fold below or 4-fold above the median result for that MAb. Highly disparate results between published assays indicate a need for improved MAb susceptibility test standardization or interassay calibration. IMPORTANCE Monoclonal antibodies (MAbs) targeting the SARS-CoV-2 spike protein are among the most effective measures for preventing and treating COVID-19. However, SARS-CoV-2 Omicron variants contain many mutations in their spike receptor-binding domains, the target of all authorized MAbs. Therefore, determining the extent to which Omicron variants reduced MAb susceptibility is critical to preventing and treating COVID-19. We identified 51 studies that reported the in vitro susceptibility of the two main Omicron variants BA.1 and BA.2 to therapeutic MAbs in advanced clinical development, including eight authorized individual MAbs and three authorized MAb combinations. We estimated the degree to which different MAbs displayed reduced activity against Omicron variants. The marked loss of activity of many MAbs against Omicron variants underscores the importance of developing MAbs that target conserved regions of spike. Highly disparate results between assays indicate the need for improved MAb susceptibility test standardization.
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Affiliation(s)
- Kaiming Tao
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, California, USA
| | - Philip L. Tzou
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, California, USA
| | - Sergei L. Kosakovsky Pond
- Institute for Genomics and Evolutionary Medicine, Temple University, Philadelphia, Pennsylvania, USA
| | - John P. A. Ioannidis
- Departments of Medicine and of Epidemiology and Population Health and Meta-Research Innovation Center at Stanford (METRICS), Stanford University, Stanford, California, USA
| | - Robert W. Shafer
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, California, USA
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Dimeglio C, Herin F, Da-Silva I, Gernigon C, Porcheron M, Chapuy-Regaud S, Izopet J. Decreased Efficiency of Neutralizing Antibodies from Previously Infected or Vaccinated Individuals against the B.1.617.2 (Delta) SARS-CoV-2 Variant. Microbiol Spectr 2022; 10:e0270621. [PMID: 35867411 PMCID: PMC9430143 DOI: 10.1128/spectrum.02706-21] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 05/16/2022] [Indexed: 12/13/2022] Open
Abstract
The neutralizing antibody response is a key component of adaptive immunity and a primary protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. The increased transmissibility of the SARS-CoV-2 Delta variant and its capacity to cause more severe disease could be linked to a significant reduction in neutralizing antibodies generated during a previous infection or vaccination. We analyzed blood samples from 162 unvaccinated health care workers (HCWs) collected 1 to 3 months postinfection and from 263 vaccinated health care workers 1 month after the last injection. We have compared the neutralizing antibody titers obtained using two virus strains, B.1.160 and B.1.617.2 (Delta variant). Binding antibody concentrations were measured by an immunoassay. The median neutralizing antibody titer against the B.1.160 strain was 128 (interquartile range [IQR], 16 to 256) and 32 (IQR, 8 to 128) against the Delta variant. To obtain a neutralizing antibody titer of 32 or 64, a binding antibody concentration of 182 binding antibody units (BAU)/mL (IQR, 81 to 974) was required with the strain B.1.160, while a concentration of 2,595 BAU/mL (IQR, 1,176 to 5,353) was required with the Delta variant. Our data indicate that antibodies neutralize the SARS-CoV-2 Delta variant 4 times less efficiently than they neutralize an earlier strain. Half of the HCWs had decreased protection from 94% to 76.8% or less for the same total antibody concentration. But neutralization might be correlated with other immune responses. The contributions of other responses, such as those of the T cell and B cell systems, to protection require further investigation. IMPORTANCE Recent studies showed that the neutralizing antibody titer is an important contributor to protection against SARS-CoV-2. With the emergence of new variants, the question arises of maintaining the neutralizing capacities of vaccines and/or of a past infection. We had protective data associated with total antibody concentrations and neutralizing antibody titers for a B.1.160 strain. We showed that to maintain the same levels of protection and, therefore, the same levels of neutralizing antibodies, a total antibody concentration 8.5 times greater is required with the Delta strain. (This study has been registered at ClinicalTrials.gov under registration no. NCT04385108.).
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Affiliation(s)
- Chloé Dimeglio
- CHU Toulouse, Hôpital Purpan, Virology Laboratory, Toulouse, France
- INSERM UMR1291 – CNRS UMR5051, Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), Toulouse, France
| | - Fabrice Herin
- Occupational Diseases Department, Toulouse University Hospital, Toulouse, France
- UMR1295, unité mixte INSERM - Université Toulouse III Paul Sabatier, Centre for Epidemiology and Research in Population Health Unit (CERPOP), Toulouse, France
| | | | - Caroline Gernigon
- Occupational Diseases Department, Toulouse University Hospital, Toulouse, France
- UMR1295, unité mixte INSERM - Université Toulouse III Paul Sabatier, Centre for Epidemiology and Research in Population Health Unit (CERPOP), Toulouse, France
| | - Marion Porcheron
- CHU Toulouse, Hôpital Purpan, Virology Laboratory, Toulouse, France
| | - Sabine Chapuy-Regaud
- CHU Toulouse, Hôpital Purpan, Virology Laboratory, Toulouse, France
- INSERM UMR1291 – CNRS UMR5051, Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), Toulouse, France
| | - Jacques Izopet
- CHU Toulouse, Hôpital Purpan, Virology Laboratory, Toulouse, France
- INSERM UMR1291 – CNRS UMR5051, Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), Toulouse, France
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Hirabidian M, Bocket L, Demaret J, Vuotto F, Rabat A, Faure K, Labalette M, Hober D, Lefevre G, Alidjinou EK. Evaluation of a rapid semiquantitative lateral flow assay for the prediction of serum neutralizing activity against SARS-CoV-2 variants. J Clin Virol 2022; 155:105268. [PMID: 35998394 PMCID: PMC9383946 DOI: 10.1016/j.jcv.2022.105268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 07/08/2022] [Accepted: 08/14/2022] [Indexed: 12/01/2022]
Abstract
Background Neutralizing antibodies (NAbs) against SARS-CoV-2 have been shown to correlate with protection against infection. Simple tools such as lateral flow assays (LFA) that can accurately measure NAbs may be useful for monitoring anti-SARS-CoV-2 immunity in the future. Objectives We assessed the performance of the ichroma™ COVID-19 nAb test, a rapid semiquantitative LFA, for the prediction of serum neutralizing activity against SARS-CoV-2 variants. Study design Serum samples were collected from COVID-19 recovered patients and vaccinated individuals. The result of the ichroma assay was provided as inhibition rate, and was compared to anti-SARS-CoV-2 IgG levels, and NAbs against Alpha, Delta and Omicron variants. Results A total of 90 sera from recovered unvaccinated patients and 209 sera from the vaccine cohort were included in this study. In post-infection samples, the ichroma inhbition rate was found to be correlated with IgG levels (ρ = 0.83), and with anti-Alpha NAbs levels (ρ = 0.78). In the vaccine cohort, a good correlation was also observed between the ichroma inhibition rate and IgG levels (ρ = 0.84), as well as NAbs against Alpha (ρ = 0.62), Delta (ρ = 0.88) and Omicron (ρ = 0.74). An ichroma inhbition rate of 77.2%, 90.8% and 99.6% accurately predicted neutralization against Alpha, Delta and Omicron variants respectively. Conclusions The ichroma™ COVID-19 nAb assay, with appropriate variant cut-offs, can be useful for the monitoring of anti-SARS-CoV-2 immunization and may provide a rapid prediction of protection, especially in individuals with significant levels of NAbs.
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Affiliation(s)
- Mickael Hirabidian
- Univ Lille, CHU Lille, Laboratoire de Virologie ULR3610, F-59000 Lille, France
| | - Laurence Bocket
- Univ Lille, CHU Lille, Laboratoire de Virologie ULR3610, F-59000 Lille, France
| | - Julie Demaret
- CHU Lille, Institut d'Immunologie, U1286 - INFINITE - Institute for Translational Research in Inflammation Inserm Univ. Lille, F-59000, Lille, France
| | - Fanny Vuotto
- CHU Lille, Département de Maladies Infectieuses, F-59000 Lille France
| | - Anthony Rabat
- Univ Lille, CHU Lille, Laboratoire de Virologie ULR3610, F-59000 Lille, France
| | - Karine Faure
- CHU Lille, Département de Maladies Infectieuses, F-59000 Lille France
| | - Myriam Labalette
- CHU Lille, Institut d'Immunologie, U1286 - INFINITE - Institute for Translational Research in Inflammation Inserm Univ. Lille, F-59000, Lille, France
| | - Didier Hober
- Univ Lille, CHU Lille, Laboratoire de Virologie ULR3610, F-59000 Lille, France
| | - Guillaume Lefevre
- CHU Lille, Institut d'Immunologie, U1286 - INFINITE - Institute for Translational Research in Inflammation Inserm Univ. Lille, F-59000, Lille, France
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30
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Younes N, Al-Sadeq DW, Shurrab FM, Zedan HT, Abou-Saleh H, Abo-Halawa BY, AlHamaydeh FM, Elsharafi AE, Daas HI, Thomas S, Aboalmaaly S, Al Farsi A, Al-Buainain R, Ataelmannan S, Paul J, Al Saadi AS, Yassine HM, Majdalawieh AF, Ismail A, Abu-Raddad LJ, Nasrallah GK. Validation of a Novel Fluorescent Lateral Flow Assay for Rapid Qualitative and Quantitative Assessment of Total Anti-SARS-CoV-2 S-RBD Binding Antibody Units (BAU) from Plasma or Fingerstick Whole-Blood of COVID-19 Vaccinees. Vaccines (Basel) 2022; 10:vaccines10081318. [PMID: 36016206 PMCID: PMC9415525 DOI: 10.3390/vaccines10081318] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/11/2022] [Accepted: 08/11/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Limited commercial LFA assays are available to provide a reliable quantitative measurement of the total binding antibody units (BAU/mL) against the receptor-binding domain of the SARS-CoV-2 spike protein (S-RBD). Aim: This study aimed to evaluate the performance of the fluorescence LFA FinecareTM 2019-nCoV S-RBD test along with its reader (Model No.: FS-113) against the following reference methods: (i) the FDA-approved GenScript surrogate virus-neutralizing assay (sVNT); and (ii) three highly performing automated immunoassays: BioMérieux VIDAS®3, Ortho VITROS®, and Mindray CL-900i®. Methods: Plasma from 488 vaccinees was tested by all aforementioned assays. Fingerstick whole-blood samples from 156 vaccinees were also tested by FinecareTM. Results and conclusions: FinecareTM showed 100% specificity, as none of the pre-pandemic samples tested positive. Equivalent FinecareTM results were observed among the samples taken from fingerstick or plasma (Pearson correlation r = 0.9, p < 0.0001), suggesting that fingerstick samples are sufficient to quantitate the S-RBD BAU/mL. A moderate correlation was observed between FinecareTM and sVNT (r = 0.5, p < 0.0001), indicating that FinecareTM can be used for rapid prediction of the neutralizing antibody (nAb) post-vaccination. FinecareTM BAU results showed strong correlation with VIDAS®3 (r = 0.6, p < 0.0001) and moderate correlation with VITROS® (r = 0.5, p < 0.0001) and CL-900i® (r = 0.4, p < 0.0001), suggesting that FinecareTM can be used as a surrogate for the advanced automated assays to measure S-RBD BAU/mL.
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Affiliation(s)
- Nadin Younes
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
- Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar
| | - Duaa W. Al-Sadeq
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
- College of Medicine, QU Health, Qatar University, Doha 2713, Qatar
| | - Farah M. Shurrab
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
- Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar
| | - Hadeel T. Zedan
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
- Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar
| | - Haissam Abou-Saleh
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
- Biological Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, 2713, Qatar
| | - Bushra Y. Abo-Halawa
- Biological Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, 2713, Qatar
| | - Fatima M. AlHamaydeh
- Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar
| | - Amira E. Elsharafi
- Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar
| | - Hanin I. Daas
- College of Dental Medicine, QU Health, Qatar University, Doha 2713, Qatar
| | - Swapna Thomas
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
- Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar
| | - Sahar Aboalmaaly
- Laboratory Section, Medical Commission Department, Ministry of Public Health, Doha 42, Qatar
| | - Afra Al Farsi
- Laboratory Section, Medical Commission Department, Ministry of Public Health, Doha 42, Qatar
| | - Reeham Al-Buainain
- Laboratory Section, Medical Commission Department, Ministry of Public Health, Doha 42, Qatar
| | - Samar Ataelmannan
- Laboratory Section, Medical Commission Department, Ministry of Public Health, Doha 42, Qatar
| | - Jiji Paul
- Laboratory Section, Medical Commission Department, Ministry of Public Health, Doha 42, Qatar
| | - Amana Salih Al Saadi
- Laboratory Section, Medical Commission Department, Ministry of Public Health, Doha 42, Qatar
| | - Hadi M. Yassine
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
- Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar
| | - Amin F. Majdalawieh
- Department of Biology, Chemistry and Environmental Sciences, College of Arts and Sciences, American University of Sharjah, Sharjah 26666, United Arab Emirates
| | - Ahmed Ismail
- Laboratory Section, Medical Commission Department, Ministry of Public Health, Doha 42, Qatar
| | - Laith J. Abu-Raddad
- Infectious Disease Epidemiology Group, Weill Cornell Medicine-Qatar, Cornell University, Qatar Foundation—Education City, Doha 24144, Qatar
- World Health Organization Collaborating Centre for Disease Epidemiology Analytics on HIV/AIDS, Sexually Transmitted Infections, and Viral Hepatitis, Weill Cornell Medicine-Qatar, Cornell University, Qatar Foundation-Education City, Doha 24144, Qatar
- Department of Healthcare Policy and Research, Weill Cornell Medicine, Cornell University, New York, NY 10065, USA
| | - Gheyath K. Nasrallah
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
- Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar
- Correspondence: ; Tel.: +974-4403-4817; Fax: +974-4403-1351
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31
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Wines BD, Kurtovic L, Trist HM, Esparon S, Lopez E, Chappin K, Chan LJ, Mordant FL, Lee WS, Gherardin NA, Patel SK, Hartley GE, Pymm P, Cooney JP, Beeson JG, Godfrey DI, Burrell LM, van Zelm MC, Wheatley AK, Chung AW, Tham WH, Subbarao K, Kent SJ, Hogarth PM. Fc engineered ACE2-Fc is a potent multifunctional agent targeting SARS-CoV2. Front Immunol 2022; 13:889372. [PMID: 35967361 PMCID: PMC9369017 DOI: 10.3389/fimmu.2022.889372] [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: 03/04/2022] [Accepted: 06/27/2022] [Indexed: 01/26/2023] Open
Abstract
Joining a function-enhanced Fc-portion of human IgG to the SARS-CoV-2 entry receptor ACE2 produces an antiviral decoy with strain transcending virus neutralizing activity. SARS-CoV-2 neutralization and Fc-effector functions of ACE2-Fc decoy proteins, formatted with or without the ACE2 collectrin domain, were optimized by Fc-modification. The different Fc-modifications resulted in distinct effects on neutralization and effector functions. H429Y, a point mutation outside the binding sites for FcγRs or complement caused non-covalent oligomerization of the ACE2-Fc decoy proteins, abrogated FcγR interaction and enhanced SARS-CoV-2 neutralization. Another Fc mutation, H429F did not improve virus neutralization but resulted in increased C5b-C9 fixation and transformed ACE2-Fc to a potent mediator of complement-dependent cytotoxicity (CDC) against SARS-CoV-2 spike (S) expressing cells. Furthermore, modification of the Fc-glycan enhanced cell activation via FcγRIIIa. These different immune profiles demonstrate the capacity of Fc-based agents to be engineered to optimize different mechanisms of protection for SARS-CoV-2 and potentially other viral pathogens.
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Affiliation(s)
- Bruce D. Wines
- Immune therapies Laboratory, Burnet Institute, Melbourne, VIC, Australia,Life Sciences, Burnet Institute, Melbourne, VIC, Australia,Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, VIC, Australia,Department of Clinical Pathology, The University of Melbourne, Parkville, VIC, Australia
| | - Liriye Kurtovic
- Life Sciences, Burnet Institute, Melbourne, VIC, Australia,Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Halina M. Trist
- Immune therapies Laboratory, Burnet Institute, Melbourne, VIC, Australia
| | - Sandra Esparon
- Immune therapies Laboratory, Burnet Institute, Melbourne, VIC, Australia
| | - Ester Lopez
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Klasina Chappin
- Immune therapies Laboratory, Burnet Institute, Melbourne, VIC, Australia
| | - Li-Jin Chan
- Infectious Diseases and Immune Defence Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia,Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia
| | - Francesca L. Mordant
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Wen Shi Lee
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Nicholas A. Gherardin
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Sheila K. Patel
- Department of Medicine, Austin Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Gemma E. Hartley
- Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Phillip Pymm
- Infectious Diseases and Immune Defence Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia,Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia
| | - James P. Cooney
- Infectious Diseases and Immune Defence Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia,Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia
| | - James G. Beeson
- Life Sciences, Burnet Institute, Melbourne, VIC, Australia,Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, VIC, Australia,Department of Medicine, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia,Department of Microbiology, Monash University, Clayton VIC, Australia
| | - Dale I. Godfrey
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Louise M. Burrell
- Department of Medicine, Austin Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Menno C. van Zelm
- Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, VIC, Australia,Department of Allergy, Immunology and Respiratory Medicine, Central Clinical School, Alfred Hospital, Melbourne, VIC, Australia
| | - Adam K. Wheatley
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia,Australian Research Council Centre for Excellence in Convergent Bio-Nano Science and Technology, The University of Melbourne, Melbourne, VIC, Australia
| | - Amy W. Chung
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Wai-Hong Tham
- Infectious Diseases and Immune Defence Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia,Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia
| | - Kanta Subbarao
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia,World Health Organization (WHO) Collaborating Centre for Reference and Research on Influenza, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Stephen J. Kent
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia,Australian Research Council Centre for Excellence in Convergent Bio-Nano Science and Technology, The University of Melbourne, Melbourne, VIC, Australia,Melbourne Sexual Health Centre and Department of Infectious Diseases, Alfred Hospital and Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - P. Mark Hogarth
- Immune therapies Laboratory, Burnet Institute, Melbourne, VIC, Australia,Life Sciences, Burnet Institute, Melbourne, VIC, Australia,Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, VIC, Australia,*Correspondence: P. Mark Hogarth,
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32
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Bestion E, Halfon P, Mezouar S, Mège JL. Cell and Animal Models for SARS-CoV-2 Research. Viruses 2022; 14:1507. [PMID: 35891487 PMCID: PMC9319816 DOI: 10.3390/v14071507] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/29/2022] [Accepted: 07/05/2022] [Indexed: 02/04/2023] Open
Abstract
During the last two years following the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic, development of potent antiviral drugs and vaccines has been a global health priority. In this context, the understanding of virus pathophysiology, the identification of associated therapeutic targets, and the screening of potential effective compounds have been indispensable advancements. It was therefore of primary importance to develop experimental models that recapitulate the aspects of the human disease in the best way possible. This article reviews the information concerning available SARS-CoV-2 preclinical models during that time, including cell-based approaches and animal models. We discuss their evolution, their advantages, and drawbacks, as well as their relevance to drug effectiveness evaluation.
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Affiliation(s)
- Eloïne Bestion
- Microbe Evolution Phylogeny Infection, Institut pour la Recherche et le Developpement, Assistance Publique Hopitaux de Marseille, Aix-Marseille University, 13005 Marseille, France; (E.B.); (P.H.)
- Institue Hospitalo, Universitaire Mediterranée Infection, 13005 Marseille, France
- Genoscience Pharma, 13005 Marseille, France
| | - Philippe Halfon
- Microbe Evolution Phylogeny Infection, Institut pour la Recherche et le Developpement, Assistance Publique Hopitaux de Marseille, Aix-Marseille University, 13005 Marseille, France; (E.B.); (P.H.)
- Institue Hospitalo, Universitaire Mediterranée Infection, 13005 Marseille, France
- Genoscience Pharma, 13005 Marseille, France
| | - Soraya Mezouar
- Microbe Evolution Phylogeny Infection, Institut pour la Recherche et le Developpement, Assistance Publique Hopitaux de Marseille, Aix-Marseille University, 13005 Marseille, France; (E.B.); (P.H.)
- Institue Hospitalo, Universitaire Mediterranée Infection, 13005 Marseille, France
- Genoscience Pharma, 13005 Marseille, France
| | - Jean-Louis Mège
- Microbe Evolution Phylogeny Infection, Institut pour la Recherche et le Developpement, Assistance Publique Hopitaux de Marseille, Aix-Marseille University, 13005 Marseille, France; (E.B.); (P.H.)
- Institue Hospitalo, Universitaire Mediterranée Infection, 13005 Marseille, France
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33
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Paoletti AM, Melilli MG, Vecchio I. Experimental Models of SARS-COV-2 Infection in the Central Nervous System. J Cent Nerv Syst Dis 2022; 14:11795735221102231. [PMID: 35783991 PMCID: PMC9247991 DOI: 10.1177/11795735221102231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 05/05/2022] [Indexed: 01/08/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) has raised serious concerns worldwide due to
its great impact on human health and forced scientists racing to find effective
therapies to control the infection and a vaccine for the virus. To this end,
intense research efforts have focused on understanding the viral biology of
severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), responsible for
COVID-19. The ever-expanding list of cases, reporting clinical neurological
complications in COVID-19 patients, strongly suggests the possibility of the
virus invading the nervous system. The pathophysiological processes responsible
for the neurological impact of COVID-19 are not fully understood. Some
neurodegenerative disorders sometimes take more than a decade to manifest, so
the long-term pathophysiological outcomes of SARS-CoV-2 neurotropism should be
regarded as a challenge for researchers in this field. There is no documentation
on the long-term impact of SARS-CoV-2 on the human central nervous system (CNS).
Most of the data relating to neurological damage during SARS-CoV-2 infection
have yet to be established experimentally. The purpose of this review is to
describe the knowledge gained, from experimental models, to date, on the
mechanisms of neuronal invasion and the effects produced by infection. The hope
is that, once the processes are understood, therapies can be implemented to
limit the damage produced. Long-term monitoring and the use of appropriate and
effective therapies could reduce the severity of symptoms and improve quality of
life of the most severely affected patients, with a special focus on those have
required hospital care and assisted respiration.
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Affiliation(s)
- Anna Maria Paoletti
- Institute for Biomedical Research and Innovation (IRIB), National Council of Research (CNR), Catanzaro, Italy
| | | | - Immacolata Vecchio
- Institute for Biomedical Research and Innovation (IRIB), National Council of Research (CNR), Catanzaro, Italy
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Abstract
Measuring SARS-CoV-2 neutralizing antibodies after vaccination or natural infection remains a priority in the ongoing COVID-19 pandemic to determine immunity, especially against newly emerging variants. The gold standard for assessing antibody-mediated immunity against SARS-CoV-2 are cell-based live virus neutralization assays. These assays usually take several days, thereby limiting test capacities and the availability of rapid results. In this study, therefore, we developed a faster live virus assay, which detects neutralizing antibodies through the early measurement of antibody-mediated intracellular virus reduction by SARS-CoV-2 qRT-PCR. In our assay, Vero E6 cells are infected with virus isolates preincubated with patient sera and controls. After 24 h, the intracellular viral load is determined by qRT-PCR using a standard curve to calculate percent neutralization. Utilizing COVID-19 convalescent-phase sera, we show that our novel assay generates results with high sensitivity and specificity as we detected antiviral activity for all tested convalescent-phase sera, but no antiviral activity in prepandemic sera. The assay showed a strong correlation with a conventional virus neutralization assay (rS = 0.8910), a receptor-binding domain ELISA (rS = 0.8485), and a surrogate neutralization assay (rS = 0.8373), proving that quantifying intracellular viral RNA can be used to measure seroneutralization. Our assay can be adapted easily to new variants, as demonstrated by our cross-neutralization experiments. This characteristic is key for rapidly determining immunity against newly emerging variants. Taken together, the novel assay presented here reduces turnaround time significantly while making use of a highly standardized and sensitive SARS-CoV-2 qRT-PCR method as a readout.
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Multiple sclerosis in the era of COVID-19: disease course, DMTs and SARS-CoV2 vaccinations. Curr Opin Neurol 2022; 35:319-327. [PMID: 35674075 DOI: 10.1097/wco.0000000000001066] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW As of January 21st 2022, over 340 million are confirmed cases of coronavirus disease 2019 (COVID-19), including nearly 5.6 million deaths. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is neurotropic and affects the neural parenchyma through direct viral invasion from the nasal mucosa and postinfectious cytokine storm. Further challenges of SARS-CoV-2 infection are nowadays linked to variants of concern. Multiple sclerosis is an inflammatory and progressive degenerative disorder of the central nervous system commonly affecting young adults and potentially generating irreversible disability. Since the beginning of the SARS-CoV-2 pandemic, people with multiple sclerosis (pwMS) have been considered 'extra' vulnerable because of the immune-mediated nature of the disease, the disability status, and the immunomodulatory therapies potentially increasing the risk for viral infection. Today multiple sclerosis neurologists are faced with several challenges in the management of pwMS to both prevent SARS-CoV-2 infection and protection from disease worsening. We aimed to highlight today's most relevant facts about the complex management of pwMS in the COVID-19 era. RECENT FINDINGS The incidence of COVID-19 among pwMS does not differ from the general population. The prognosis of COVID-19 among pwMS is driven by older age, male sex, nonambulatory status, comorbidity as in the general population, as well as by corticosteroid treatment and B-cell depleting agents which decrease seropositivity from SARS-CoV-2 infection and immune responses to SARS-CoV-2 vaccination. SUMMARY Disease modifying treatments (DMTs) should be regularly continued in relation to SARS-CoV-2 vaccination, but an ad hoc timing is required with B-cell depleting agents. SARS-CoV-2 vaccination is recommended in pwMS with willingness improving through health education programs. Multiple sclerosis does not seem to worsen after SARS-Cov2 vaccination but COVID-19 may enhance disease activity.
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Diamanti E, Föhr J, Papageorgiou A, Herbst M, Jahn S. Immunologie in der dermatologischen Praxis – wieviel, warum, wann? AKTUELLE DERMATOLOGIE 2022. [DOI: 10.1055/a-1699-5440] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
ZusammenfassungDie Haut als Grenzorgan zum Körperäußeren realisiert viele immunologische Abwehrfunktionen. Folglich sind Immunologie und Dermatologie eng miteinander verknüpft. Die Diagnostik immunologischer Hauterkrankungen und deren Immuntherapie, labormedizinische Analysen, Hyposensibilisierung – Begegnungen mit der Immunologie finden auch in einer dermatologischen Praxis im Alltag nahezu ständig statt. Ziel dieser Arbeit ist es, praxisnah aufzuzeigen, wie uns Dermatologen die Immunologie in unserer Fachdisziplin helfen kann.
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Affiliation(s)
| | - Julia Föhr
- Dermatologische Facharztpraxis Dr. Herbst & Kollegen, Darmstadt
- Klinik für Dermatologie und Allergologie, Philipps-Universität Marburg
| | | | - Matthias Herbst
- Dermatologische Facharztpraxis Dr. Herbst & Kollegen, Darmstadt
| | - Sigbert Jahn
- Dermatologische Facharztpraxis Dr. Herbst & Kollegen, Darmstadt
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Roessler J, Pich D, Albanese M, Wratil PR, Krähling V, Hellmuth JC, Scherer C, von Bergwelt-Baildon M, Becker S, Keppler OT, Brisson A, Zeidler R, Hammerschmidt W. Quantitation of SARS-CoV-2 neutralizing antibodies with a virus-free, authentic test. PNAS NEXUS 2022; 1:pgac045. [PMID: 36382127 PMCID: PMC9645495 DOI: 10.1093/pnasnexus/pgac045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/02/2022] [Accepted: 04/11/2022] [Indexed: 06/16/2023]
Abstract
Neutralizing antibodies (NAbs), and their concentration in sera of convalescents and vaccinees are a correlate of protection from COVID-19. The antibody concentrations in clinical samples that neutralize SARS-CoV-2 are difficult and very cumbersome to assess with conventional virus neutralization tests (cVNTs), which require work with the infectious virus and biosafety level 3 containment precautions. Alternative virus neutralization tests currently in use are mostly surrogate tests based on direct or competitive enzyme immunoassays or use viral vectors with the spike protein as the single structural component of SARS-CoV-2. To overcome these obstacles, we developed a virus-free, safe and very fast (4.5 h) in vitro diagnostic test based on engineered yet authentic SARS-CoV-2 virus-like-particles (VLPs). They share all features of the original SARS-CoV-2 but lack the viral RNA genome and thus are non-infectious. NAbs induced by infection or vaccination, but also potentially neutralizing monoclonal antibodies can be reliably quantified and assessed with ease and within hours with our test, because they interfere and block the ACE2-mediated uptake of VLPs by recipient cells. Results from the VLP neutralization test (VLPNT) showed excellent specificity and sensitivity and correlated very well with a cVNT using fully infectious SARS-CoV-2. The results also demonstrated the reduced neutralizing capacity of COVID-19 vaccinee sera against variants of concern of SARS-CoV-2 including omicron B.1.1.529, BA.1.
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Affiliation(s)
- Johannes Roessler
- Department of Otorhinolaryngology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Research Unit Gene Vectors, Helmholtz Zentrum München, German Research Center for Environmental Health, Munich, Germany
- German Centre for Infection Research (DZIF), Partner site Munich, Germany
| | - Dagmar Pich
- Research Unit Gene Vectors, Helmholtz Zentrum München, German Research Center for Environmental Health, Munich, Germany
- German Centre for Infection Research (DZIF), Partner site Munich, Germany
| | - Manuel Albanese
- German Centre for Infection Research (DZIF), Partner site Munich, Germany
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Paul R Wratil
- German Centre for Infection Research (DZIF), Partner site Munich, Germany
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Verena Krähling
- Institute of Virology, Faculty of Medicine, Philipps-Universität Marburg, Marburg, Germany
- German Centre for Infection Research (DZIF), Partner site Giessen-Marburg-Langen, Marburg, Germany
| | - Johannes C Hellmuth
- Department of Medicine III, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Clemens Scherer
- COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Department of Medicine I, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Michael von Bergwelt-Baildon
- Department of Medicine III, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- German Cancer Consortium (DKTK), Munich, Germany
| | - Stephan Becker
- Institute of Virology, Faculty of Medicine, Philipps-Universität Marburg, Marburg, Germany
- German Centre for Infection Research (DZIF), Partner site Giessen-Marburg-Langen, Marburg, Germany
| | - Oliver T Keppler
- German Centre for Infection Research (DZIF), Partner site Munich, Germany
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
- COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Alain Brisson
- UMR-CBMN CNRS-University of Bordeaux-INP, Pessac, France
| | - Reinhard Zeidler
- Department of Otorhinolaryngology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Research Unit Gene Vectors, Helmholtz Zentrum München, German Research Center for Environmental Health, Munich, Germany
- German Centre for Infection Research (DZIF), Partner site Munich, Germany
| | - Wolfgang Hammerschmidt
- Research Unit Gene Vectors, Helmholtz Zentrum München, German Research Center for Environmental Health, Munich, Germany
- German Centre for Infection Research (DZIF), Partner site Munich, Germany
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Gruell H, Vanshylla K, Weber T, Barnes CO, Kreer C, Klein F. Antibody-Mediated Neutralization of SARS-CoV-2. Immunity 2022; 55:925-944. [PMID: 35623355 PMCID: PMC9118976 DOI: 10.1016/j.immuni.2022.05.005] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/06/2022] [Accepted: 05/09/2022] [Indexed: 11/28/2022]
Abstract
Neutralizing antibodies can block infection, clear pathogens, and are essential to provide long-term immunity. Since the onset of the pandemic, SARS-CoV-2 neutralizing antibodies have been comprehensively investigated and critical information on their development, function, and potential use to prevent and treat COVID-19 have been revealed. With the emergence of SARS-CoV-2 immune escape variants, humoral immunity is being challenged, and a detailed understanding of neutralizing antibodies is essential to guide vaccine design strategies as well as antibody-mediated therapies. In this review, we summarize some of the key findings on SARS-CoV-2 neutralizing antibodies, with a focus on their clinical application.
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Affiliation(s)
- Henning Gruell
- Laboratory of Experimental Immunology, Institute of Virology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50931 Cologne, Germany
| | - Kanika Vanshylla
- Laboratory of Experimental Immunology, Institute of Virology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50931 Cologne, Germany
| | - Timm Weber
- Laboratory of Experimental Immunology, Institute of Virology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50931 Cologne, Germany
| | - Christopher O Barnes
- Department of Biology, Stanford University, Stanford, CA 94305, USA; Chan Zuckerberg Biohub, San Francisco, CA 94158, USA
| | - Christoph Kreer
- Laboratory of Experimental Immunology, Institute of Virology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50931 Cologne, Germany
| | - Florian Klein
- Laboratory of Experimental Immunology, Institute of Virology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50931 Cologne, Germany; German Center for Infection Research (DZIF), Partner Site Bonn-Cologne, 50931 Cologne, Germany; Center for Molecular Medicine Cologne (CMMC), University of Cologne, 50931 Cologne, Germany.
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Sanz-Leon P, Stevenson NJ, Stuart RM, Abeysuriya RG, Pang JC, Lambert SB, Kerr CC, Roberts JA. Risk of sustained SARS-CoV-2 transmission in Queensland, Australia. Sci Rep 2022; 12:6309. [PMID: 35428853 PMCID: PMC9012253 DOI: 10.1038/s41598-022-10349-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 03/29/2022] [Indexed: 12/23/2022] Open
Abstract
We used an agent-based model Covasim to assess the risk of sustained community transmission of SARSCoV-2/COVID-19 in Queensland (Australia) in the presence of high-transmission variants of the virus. The model was calibrated using the demographics, policies, and interventions implemented in the state. Then, using the calibrated model, we simulated possible epidemic trajectories that could eventuate due to leakage of infected cases with high-transmission variants, during a period without recorded cases of locally acquired infections, known in Australian settings as “zero community transmission”. We also examined how the threat of new variants reduces given a range of vaccination levels. Specifically, the model calibration covered the first-wave period from early March 2020 to May 2020. Predicted epidemic trajectories were simulated from early February 2021 to late March 2021. Our simulations showed that one infected agent with the ancestral (A.2.2) variant has a 14% chance of crossing a threshold of sustained community transmission (SCT) (i.e., > 5 infections per day, more than 3 days in a row), assuming no change in the prevailing preventative and counteracting policies. However, one agent carrying the alpha (B.1.1.7) variant has a 43% chance of crossing the same threshold; a threefold increase with respect to the ancestral strain; while, one agent carrying the delta (B.1.617.2) variant has a 60% chance of the same threshold, a fourfold increase with respect to the ancestral strain. The delta variant is 50% more likely to trigger SCT than the alpha variant. Doubling the average number of daily tests from ∼ 6,000 to 12,000 results in a decrease of this SCT probability from 43 to 33% for the alpha variant. However, if the delta variant is circulating we would need an average of 100,000 daily tests to achieve a similar decrease in SCT risk. Further, achieving a full-vaccination coverage of 70% of the adult population, with a vaccine with 70% effectiveness against infection, would decrease the probability of SCT from a single seed of alpha from 43 to 20%, on par with the ancestral strain in a naive population. In contrast, for the same vaccine coverage and same effectiveness, the probability of SCT from a single seed of delta would decrease from 62 to 48%, a risk slightly above the alpha variant in a naive population. Our results demonstrate that the introduction of even a small number of people infected with high-transmission variants dramatically increases the probability of sustained community transmission in Queensland. Until very high vaccine coverage is achieved, a swift implementation of policies and interventions, together with high quarantine adherence rates, will be required to minimise the probability of sustained community transmission.
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Affiliation(s)
- Paula Sanz-Leon
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.
| | - Nathan J Stevenson
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Robyn M Stuart
- Department of Mathematical Sciences, University of Copenhagen, Copenhagen, Denmark
| | | | - James C Pang
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Stephen B Lambert
- National Centre for Immunisation Research and Surveillance for Vaccine Preventable Diseases, Westmead, Sydney, NSW, Australia
| | - Cliff C Kerr
- Institute for Disease Modeling, Bill & Melinda Gates Foundation, Seattle, WA, USA
| | - James A Roberts
- Brain Modelling Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
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40
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Wang R, Chen J, Hozumi Y, Yin C, Wei GW. Emerging Vaccine-Breakthrough SARS-CoV-2 Variants. ACS Infect Dis 2022; 8:546-556. [PMID: 35133792 PMCID: PMC8848511 DOI: 10.1021/acsinfecdis.1c00557] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Indexed: 12/28/2022]
Abstract
The surge of COVID-19 infections has been fueled by new SARS-CoV-2 variants, namely Alpha, Beta, Gamma, Delta, and so forth. The molecular mechanism underlying such surge is elusive due to the existence of 28 554 unique mutations, including 4 653 non-degenerate mutations on the spike protein. Understanding the molecular mechanism of SARS-CoV-2 transmission and evolution is a prerequisite to foresee the trend of emerging vaccine-breakthrough variants and the design of mutation-proof vaccines and monoclonal antibodies. We integrate the genotyping of 1 489 884 SARS-CoV-2 genomes, a library of 130 human antibodies, tens of thousands of mutational data, topological data analysis, and deep learning to reveal SARS-CoV-2 evolution mechanism and forecast emerging vaccine-breakthrough variants. We show that prevailing variants can be quantitatively explained by infectivity-strengthening and vaccine-escape (co-)mutations on the spike protein RBD due to natural selection and/or vaccination-induced evolutionary pressure. We illustrate that infectivity strengthening mutations were the main mechanism for viral evolution, while vaccine-escape mutations become a dominating viral evolutionary mechanism among highly vaccinated populations. We demonstrate that Lambda is as infectious as Delta but is more vaccine-resistant. We analyze emerging vaccine-breakthrough comutations in highly vaccinated countries, including the United Kingdom, the United States, Denmark, and so forth. Finally, we identify sets of comutations that have a high likelihood of massive growth: [A411S, L452R, T478K], [L452R, T478K, N501Y], [V401L, L452R, T478K], [K417N, L452R, T478K], [L452R, T478K, E484K, N501Y], and [P384L, K417N, E484K, N501Y]. We predict they can escape existing vaccines. We foresee an urgent need to develop new virus combating strategies.
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Affiliation(s)
- Rui Wang
- Department of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Jiahui Chen
- Department of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Yuta Hozumi
- Department of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Changchuan Yin
- Department of Mathematics, Statistics, and Computer Science, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Guo-Wei Wei
- Department of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
- Department of Biochemistry and Molecular Biology Michigan State University, East Lansing, Michigan 48824, United States
- Department of Electrical and Computer Engineering Michigan State University, East Lansing, Michigan 48824, United States
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41
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Abstract
A diverse array of successful, first-generation SARS-CoV-2 vaccines have played a huge role in efforts to bring the COVID-19 pandemic under control, even though inequitable distribution still leaves many vulnerable. Additional challenges loom for the next phase. These include optimizing the immunological rationale for boosting-how often and with what-and the best approaches for building a future-proofed, durable immune repertoire to protect against oncoming viral variants, including in children. The landscape of vaccine producers and technologies is likely to become even more heterogeneous. There is a need now for appraisal of future approaches: While some favor frequent boosting with the first-generation, ancestral spike vaccines, others propose frequent readjustment using current variant sequences, polyvalent vaccines, or pan-coronavirus strategies.
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Affiliation(s)
- Daniel M Altmann
- Department of Immunology and Inflammation, Faculty of Medicine, Hammersmith Hospital Campus, Imperial College London, London, UK
| | - Rosemary J Boyton
- Department of Infectious Disease, Faculty of Medicine, Hammersmith Hospital Campus, Imperial College London, London, UK.,Lung Division, Royal Brompton & Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
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Afkhami S, D'Agostino MR, Zhang A, Stacey HD, Marzok A, Kang A, Singh R, Bavananthasivam J, Ye G, Luo X, Wang F, Ang JC, Zganiacz A, Sankar U, Kazhdan N, Koenig JFE, Phelps A, Gameiro SF, Tang S, Jordana M, Wan Y, Mossman KL, Jeyanathan M, Gillgrass A, Medina MFC, Smaill F, Lichty BD, Miller MS, Xing Z. Respiratory mucosal delivery of next-generation COVID-19 vaccine provides robust protection against both ancestral and variant strains of SARS-CoV-2. Cell 2022; 185:896-915.e19. [PMID: 35180381 PMCID: PMC8825346 DOI: 10.1016/j.cell.2022.02.005] [Citation(s) in RCA: 145] [Impact Index Per Article: 72.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 12/16/2021] [Accepted: 02/02/2022] [Indexed: 12/28/2022]
Abstract
The emerging SARS-CoV-2 variants of concern (VOCs) threaten the effectiveness of current COVID-19 vaccines administered intramuscularly and designed to only target the spike protein. There is a pressing need to develop next-generation vaccine strategies for broader and long-lasting protection. Using adenoviral vectors (Ad) of human and chimpanzee origin, we evaluated Ad-vectored trivalent COVID-19 vaccines expressing spike-1, nucleocapsid, and RdRp antigens in murine models. We show that single-dose intranasal immunization, particularly with chimpanzee Ad-vectored vaccine, is superior to intramuscular immunization in induction of the tripartite protective immunity consisting of local and systemic antibody responses, mucosal tissue-resident memory T cells and mucosal trained innate immunity. We further show that intranasal immunization provides protection against both the ancestral SARS-CoV-2 and two VOC, B.1.1.7 and B.1.351. Our findings indicate that respiratory mucosal delivery of Ad-vectored multivalent vaccine represents an effective next-generation COVID-19 vaccine strategy to induce all-around mucosal immunity against current and future VOC.
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Affiliation(s)
- Sam Afkhami
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Michael R D'Agostino
- McMaster Immunology Research Centre, M. G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry & Biomedical Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Ali Zhang
- McMaster Immunology Research Centre, M. G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry & Biomedical Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Hannah D Stacey
- McMaster Immunology Research Centre, M. G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry & Biomedical Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Art Marzok
- McMaster Immunology Research Centre, M. G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry & Biomedical Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Alisha Kang
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Ramandeep Singh
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Jegarubee Bavananthasivam
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Gluke Ye
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Xiangqian Luo
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada; Department of Pediatric Otolaryngology, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Fuan Wang
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Jann C Ang
- McMaster Immunology Research Centre, M. G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry & Biomedical Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Anna Zganiacz
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Uma Sankar
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Natallia Kazhdan
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Joshua F E Koenig
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Allyssa Phelps
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Steven F Gameiro
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Shangguo Tang
- Department of Pathology and Molecular Medicine, M.G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Manel Jordana
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Yonghong Wan
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Karen L Mossman
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Mangalakumari Jeyanathan
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Amy Gillgrass
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Maria Fe C Medina
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Fiona Smaill
- Department of Pathology and Molecular Medicine, M.G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Brian D Lichty
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada.
| | - Matthew S Miller
- McMaster Immunology Research Centre, M. G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry & Biomedical Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada.
| | - Zhou Xing
- McMaster Immunology Research Centre, M.G. DeGroote Institute for Infectious Disease Research, Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada.
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Tomris I, Bouwman KM, Adolfs Y, Noack D, van der Woude R, Kerster G, Herfst S, Sanders RW, van Gils MJ, Boons GJ, Haagmans BL, Pasterkamp RJ, Rockx B, de Vries RP. Distinct spatial arrangements of ACE2 and TMPRSS2 expression in Syrian hamster lung lobes dictates SARS-CoV-2 infection patterns. PLoS Pathog 2022; 18:e1010340. [PMID: 35255100 PMCID: PMC8930000 DOI: 10.1371/journal.ppat.1010340] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 03/17/2022] [Accepted: 02/04/2022] [Indexed: 12/12/2022] Open
Abstract
SARS-CoV-2 attaches to angiotensin-converting enzyme 2 (ACE2) to gain entry into cells after which the spike protein is cleaved by the transmembrane serine protease 2 (TMPRSS2) to facilitate viral-host membrane fusion. ACE2 and TMPRSS2 expression profiles have been analyzed at the genomic, transcriptomic, and single-cell RNAseq levels. However, transcriptomic data and actual protein validation convey conflicting information regarding the distribution of the biologically relevant protein receptor in whole tissues. To describe the organ-level architecture of receptor expression, related to the ability of ACE2 and TMPRSS2 to mediate infectivity, we performed a volumetric analysis of whole Syrian hamster lung lobes. Lung tissue of infected and control animals was stained using antibodies against ACE2 and TMPRSS2, combined with SARS-CoV-2 nucleoprotein staining. This was followed by light-sheet microscopy imaging to visualize their expression and related infection patterns. The data demonstrate that infection is restricted to sites containing both ACE2 and TMPRSS2, the latter is expressed in the primary and secondary bronchi whereas ACE2 is predominantly observed in the bronchioles and alveoli. Conversely, infection completely overlaps where ACE2 and TMPRSS2 co-localize in the tertiary bronchi, bronchioles, and alveoli.
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Affiliation(s)
- Ilhan Tomris
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Kim M. Bouwman
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Youri Adolfs
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Danny Noack
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Roosmarijn van der Woude
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Gius Kerster
- Department of Medical Microbiology, Amsterdam UMC, University of Amsterdam, Amsterdam Institute for Infection and Immunity, Amsterdam, The Netherlands
| | - Sander Herfst
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Rogier W. Sanders
- Department of Medical Microbiology, Amsterdam UMC, University of Amsterdam, Amsterdam Institute for Infection and Immunity, Amsterdam, The Netherlands
- Department of Microbiology and Immunology, Weill Medical College of Cornell University, Ney York City, New York, United States of America
| | - Marit J. van Gils
- Department of Medical Microbiology, Amsterdam UMC, University of Amsterdam, Amsterdam Institute for Infection and Immunity, Amsterdam, The Netherlands
| | - Geert-Jan Boons
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
- Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, The Netherlands
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, United States of America
- Department of Chemistry, University of Georgia, Athens, Georgia, United States of America
| | - Bart L. Haagmans
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - R. Jeroen Pasterkamp
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Barry Rockx
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Robert P. de Vries
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
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44
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Nickel O, Rockstroh A, Borte S, Wolf J. Evaluation of Simple Lateral Flow Immunoassays for Detection of SARS-CoV-2 Neutralizing Antibodies. Vaccines (Basel) 2022; 10:vaccines10030347. [PMID: 35334979 PMCID: PMC8949379 DOI: 10.3390/vaccines10030347] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/14/2022] [Accepted: 02/21/2022] [Indexed: 02/04/2023] Open
Abstract
Immunization for the generation of protective antibodies against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has emerged to be highly effective in preventing hospital admission, need for intensive care treatment and high mortality in the current SARS-CoV-2 pandemic. Lateral flow immune assays (LFIAs) offer a simple and competitive option to monitor antibody production after vaccination. Here, we compared the diagnostic performance of three different lateral flow assays in detecting nucleocapsid protein (NP), S1 subunit (S1) and receptor binding domain (pseudo)-neutralizing antibodies (nRBD) in sera of 107 health care workers prior (V1), two weeks (V2) after first vaccination with BNT162b2 as well as three weeks (V3) and eight months later (V4). In sera at V1, overall specificity was >99%. At V3, LFIAs showed sensitivities between 98.1 and 100%. The comparison of S1 and nRBD LFIA with S1 ELISA and a focus reduction neutralization assay (FRNT) revealed high concordance at V3. Thus, the use of lateral flow immunoassays appears to have reasonable application in the short-term follow-up after vaccination for SARS-CoV-2.
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Affiliation(s)
- Olaf Nickel
- Department of Laboratory Medicine, Hospital St. Georg, 04129 Leipzig, Germany; (O.N.); (S.B.)
| | - Alexandra Rockstroh
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany;
| | - Stephan Borte
- Department of Laboratory Medicine, Hospital St. Georg, 04129 Leipzig, Germany; (O.N.); (S.B.)
- Immuno Deficiency Center Leipzig, Jeffrey Modell Diagnostic and Research Center for Primary Immunodeficiency Diseases, Hospital St. Georg, 04129 Leipzig, Germany
- Division of Clinical Immunology and Transfusion Medicine, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, 14152 Stockholm, Sweden
| | - Johannes Wolf
- Department of Laboratory Medicine, Hospital St. Georg, 04129 Leipzig, Germany; (O.N.); (S.B.)
- Immuno Deficiency Center Leipzig, Jeffrey Modell Diagnostic and Research Center for Primary Immunodeficiency Diseases, Hospital St. Georg, 04129 Leipzig, Germany
- Correspondence:
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45
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Zhuang C, Liu X, Chen Q, Sun Y, Su Y, Huang S, Wu T, Xia N. Protection Duration of COVID-19 Vaccines: Waning Effectiveness and Future Perspective. Front Microbiol 2022; 13:828806. [PMID: 35273584 PMCID: PMC8902038 DOI: 10.3389/fmicb.2022.828806] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 01/13/2022] [Indexed: 12/31/2022] Open
Abstract
The coronavirus disease 2019 (COVID-19) vaccines have very successfully decreased the disease risk as we know; some key information remains unknown due to the short development history and the lack of long-term follow-up studies in vaccinated populations. One of the unanswered issues is the protection duration conferred after COVID-19 vaccination, which appears to play a pivotal role in the future impact of pathogens and is critical to inform the public health response and policy decisions. Here, we review current information on the long-term effectiveness of different COVID-19 vaccines, persistence of immunogenicity, and gaps in knowledge. Meanwhile, we also discuss the influencing factors and future study prospects on this topic.
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Affiliation(s)
- Chunlan Zhuang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Collaborative Innovation Center of Biologic Products, School of Public Health, Xiamen University, Xiamen, China
| | - Xiaohui Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Collaborative Innovation Center of Biologic Products, School of Public Health, Xiamen University, Xiamen, China
| | - Qi Chen
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Collaborative Innovation Center of Biologic Products, School of Public Health, Xiamen University, Xiamen, China
| | - Yuxin Sun
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yingying Su
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Collaborative Innovation Center of Biologic Products, School of Public Health, Xiamen University, Xiamen, China
| | - Shoujie Huang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Collaborative Innovation Center of Biologic Products, School of Public Health, Xiamen University, Xiamen, China
| | - Ting Wu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Collaborative Innovation Center of Biologic Products, School of Public Health, Xiamen University, Xiamen, China
| | - Ningshao Xia
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Collaborative Innovation Center of Biologic Products, School of Public Health, Xiamen University, Xiamen, China
- Research Unit of Frontier Technology of Structural Vaccinology of Chinese Academy of Medical Sciences, Beijing, China
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46
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Kitchin D, Richardson SI, van der Mescht MA, Motlou T, Mzindle N, Moyo-Gwete T, Makhado Z, Ayres F, Manamela NP, Spencer H, Lambson B, Oosthuysen B, Kaldine H, du Pisanie M, Mennen M, Skelem S, Williams N, Ntusi NA, Burgers WA, Gray GG, Bekker LG, Boswell MT, Rossouw TM, Ueckermann V, Moore PL. Ad26.COV2.S breakthrough infections induce high titers of neutralizing antibodies against Omicron and other SARS-CoV-2 variants of concern. Cell Rep Med 2022; 3:100535. [PMID: 35474744 PMCID: PMC8828412 DOI: 10.1016/j.xcrm.2022.100535] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 01/19/2022] [Accepted: 01/27/2022] [Indexed: 01/20/2023]
Abstract
The Janssen (Johnson & Johnson) Ad26.COV2.S non-replicating viral vector vaccine has been widely deployed for COVID-19 vaccination programs in resource-limited settings. Here we confirm that neutralizing and binding antibody responses to Ad26.COV2.S vaccination are stable for 6 months post-vaccination, when tested against multiple SARS-CoV-2 variants. Secondly, using longitudinal samples from individuals who experienced clinically mild breakthrough infections 4 to 5 months after vaccination, we show dramatically boosted binding antibodies, Fc effector function, and neutralization. These high titer responses are of similar magnitude to humoral immune responses measured in convalescent donors who had been hospitalized with severe illness, and are cross-reactive against diverse SARS-CoV-2 variants, including the neutralization-resistant Omicron (B.1.1.529) variant that currently dominates global infections, as well as SARS-CoV-1. These data have implications for population immunity in areas where the Ad26.COV2.S vaccine has been widely deployed, but where ongoing infections continue to occur at high levels.
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Affiliation(s)
- Dale Kitchin
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Simone I. Richardson
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Mieke A. van der Mescht
- Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Thopisang Motlou
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Nonkululeko Mzindle
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Thandeka Moyo-Gwete
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Zanele Makhado
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Frances Ayres
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Nelia P. Manamela
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Holly Spencer
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Bronwen Lambson
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Brent Oosthuysen
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Haajira Kaldine
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Marizane du Pisanie
- Division for Infectious Diseases, Department of Internal Medicine, Steve Biko Academic Hospital and University of Pretoria, Pretoria, South Africa
| | - Mathilda Mennen
- Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Sango Skelem
- Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Noleen Williams
- Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Ntobeko A.B. Ntusi
- Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa,Department of Medicine, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa,Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Wendy A. Burgers
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa,Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa,Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Cape Town, South Africa
| | - Glenda G. Gray
- The South African Medical Research Council, Tygerberg, South Africa
| | - Linda-Gail Bekker
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa,The Desmond Tutu HIV Centre, University of Cape Town, Cape Town, South Africa
| | - Michael T. Boswell
- Division for Infectious Diseases, Department of Internal Medicine, Steve Biko Academic Hospital and University of Pretoria, Pretoria, South Africa
| | - Theresa M. Rossouw
- Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Veronica Ueckermann
- Division for Infectious Diseases, Department of Internal Medicine, Steve Biko Academic Hospital and University of Pretoria, Pretoria, South Africa
| | - Penny L. Moore
- National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa,SAMRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa,Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa,Centre for the AIDS Programme of Research in South Africa, Durban, South Africa,Corresponding author
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47
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Girl P, Zwirglmaier K, von Buttlar H, Wölfel R, Müller K. Evaluation of Two Rapid Lateral Flow Tests and Two Surrogate ELISAs for the Detection of SARS-CoV-2 Specific Neutralizing Antibodies. Front Med (Lausanne) 2022; 9:820151. [PMID: 35187003 PMCID: PMC8854747 DOI: 10.3389/fmed.2022.820151] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/03/2022] [Indexed: 11/15/2022] Open
Abstract
As vaccination against SARS-CoV-2 progresses rapidly around the world, reliable detection of SARS-CoV-2 specific neutralizing antibodies (NAb) has become an indispensable component of serological diagnostics. We evaluated the performance of four commercially available tests, i.e. two lateral flow assays (Coris BioConcept COVID-19 Sero NP/RBD and Concile InfectCheck COVID-19 NAb) and two surrogate ELISA (sELISA) tests (EUROIMMUN SARS-CoV-2 NeutraLISA and AdipoGen SARS-CoV-2 Neutralizing Antibodies Detection Kit) in comparison with an in-house SARS-CoV-2 micro neutralization test as reference. A total of 334 sera were tested, including 30 samples collected prior to the emergence of SARS-CoV-2, 128 sera from convalescent patients as well as 176 sera from partially or fully vaccinated individuals. The overall sensitivity of LFAs differed and was 71.6% for the Coris and 98.4% for the Concile. In contrast, overall sensitivity of the NeutraLISA was 86 and 98% for the AdipoGen. All test showed the highest sensitivity when testing samples from fully vaccinated individuals with both sELISA achieving 100% sensitivity. Overall specificity was 89.3% for the Coris and only 58.3% for the Concile. Similarly, significant differences were observed for both sELISA, with an overall specificity of 82.1% for the NeutraLISA and only 54.8% for the AdipoGen. All tests showed a 100% specificity when testing negative control samples while specificities were lowest when testing samples from only partially vaccinated individuals.
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Affiliation(s)
- Philipp Girl
- Department of Virology and intracellular Pathogens, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Bacteriology and Toxinology, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Diagnostics, Innovation and Verification, Bundeswehr Institute of Microbiology, Munich, Germany
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Katrin Zwirglmaier
- Department of Virology and intracellular Pathogens, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Bacteriology and Toxinology, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Diagnostics, Innovation and Verification, Bundeswehr Institute of Microbiology, Munich, Germany
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Heiner von Buttlar
- Department of Virology and intracellular Pathogens, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Bacteriology and Toxinology, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Diagnostics, Innovation and Verification, Bundeswehr Institute of Microbiology, Munich, Germany
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Roman Wölfel
- Department of Virology and intracellular Pathogens, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Bacteriology and Toxinology, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Diagnostics, Innovation and Verification, Bundeswehr Institute of Microbiology, Munich, Germany
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Katharina Müller
- Department of Virology and intracellular Pathogens, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Bacteriology and Toxinology, Bundeswehr Institute of Microbiology, Munich, Germany
- Department of Diagnostics, Innovation and Verification, Bundeswehr Institute of Microbiology, Munich, Germany
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
- *Correspondence: Katharina Müller
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48
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Blixt L, Bogdanovic G, Buggert M, Gao Y, Hober S, Healy K, Johansson H, Kjellander C, Mravinacova S, Muschiol S, Nilsson P, Palma M, Pin E, Smith CIE, Stromberg O, Sällberg Chen M, Zain R, Hansson L, Österborg A. Covid-19 in patients with chronic lymphocytic leukemia: clinical outcome and B- and T-cell immunity during 13 months in consecutive patients. Leukemia 2022; 36:476-481. [PMID: 34564699 PMCID: PMC8475381 DOI: 10.1038/s41375-021-01424-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 09/08/2021] [Accepted: 09/13/2021] [Indexed: 01/01/2023]
Abstract
We studied clinical and immunological outcome of Covid-19 in consecutive CLL patients from a well-defined area during month 1-13 of the pandemic. Sixty patients (median age 71 y, range 43-97) were identified. Median CIRS was eight (4-20). Patients had indolent CLL (n = 38), had completed (n = 12) or ongoing therapy (n = 10). Forty-six patients (77%) were hospitalized due to severe Covid-19 and 11 were admitted to ICU. Severe Covid-19 was equally distributed across subgroups irrespective of age, gender, BMI, CLL status except CIRS (p < 0.05). Fourteen patients (23%) died; age ≥75 y was the only significant risk factor (p < 0.05, multivariate analysis with limited power). Comparing month 1-6 vs 7-13 of the pandemic, deaths were numerically reduced from 32% to 18%, ICU admission from 37% to 15% whereas hospitalizations remained frequent (86% vs 71%). Seroconversion occurred in 33/40 patients (82%) and anti-SARS-CoV-2 antibodies were detectable at six and 12 months in 17/22 and 8/11 patients, respectively. Most (13/17) had neutralizing antibodies and 19/28 had antibodies in saliva. SARS-CoV-2-specific T-cells (ELISpot) were detected in 14/17 patients. Covid-19 continued to result in high admission even among consecutive and young early- stage CLL patients. A robust and durable B and/or T cell immunity was observed in most convalescents.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Antibodies, Neutralizing/blood
- Antibodies, Neutralizing/immunology
- Antibodies, Viral/blood
- Antibodies, Viral/immunology
- B-Lymphocytes/immunology
- COVID-19/complications
- COVID-19/immunology
- COVID-19/transmission
- COVID-19/virology
- Combined Modality Therapy
- Female
- Follow-Up Studies
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/immunology
- Leukemia, Lymphocytic, Chronic, B-Cell/therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/virology
- Male
- Middle Aged
- Prognosis
- SARS-CoV-2/immunology
- SARS-CoV-2/isolation & purification
- T-Lymphocytes/immunology
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Affiliation(s)
- Lisa Blixt
- Department of Hematology, Karolinska University Hospital Solna, Stockholm, Sweden
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Gordana Bogdanovic
- Department of Microbiology, Karolinska University Hospital, Stockholm, Sweden
| | - Marcus Buggert
- Center for Infectious Medicine, Dept of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Yu Gao
- Center for Infectious Medicine, Dept of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Sophia Hober
- Department of Protein Science, SciLifeLab and KTH Royal Institute of Technology, Stockholm, Sweden
| | - Katie Healy
- Department of Dental Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Hemming Johansson
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | | | - Sara Mravinacova
- Department of Protein Science, SciLifeLab and KTH Royal Institute of Technology, Stockholm, Sweden
| | - Sandra Muschiol
- Department of Microbiology, Karolinska University Hospital, Stockholm, Sweden
| | - Peter Nilsson
- Department of Protein Science, SciLifeLab and KTH Royal Institute of Technology, Stockholm, Sweden
| | - Marzia Palma
- Department of Hematology, Karolinska University Hospital Solna, Stockholm, Sweden
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Elisa Pin
- Department of Protein Science, SciLifeLab and KTH Royal Institute of Technology, Stockholm, Sweden
| | - C I Edvard Smith
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Olga Stromberg
- Department of Internal Medicine, Södersjukhuset, Stockholm, Sweden
| | | | - Rula Zain
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Rare Diseases, Department of Clinical Genetics, Karolinska University, Hospital, Stockholm, Sweden
| | - Lotta Hansson
- Department of Hematology, Karolinska University Hospital Solna, Stockholm, Sweden.
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
| | - Anders Österborg
- Department of Hematology, Karolinska University Hospital Solna, Stockholm, Sweden
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
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49
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Lee J, Liao H, Wang Q, Han J, Han J, Shin HE, Ge M, Park W, Li F. Exploration of nanozymes in viral diagnosis and therapy. EXPLORATION 2022; 2:20210086. [PMCID: PMC10191057 DOI: 10.1002/exp.20210086] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/21/2021] [Indexed: 06/15/2023]
Affiliation(s)
- Jiyoung Lee
- Institute of Pharmaceutics College of Pharmaceutical Sciences Zhejiang University Hangzhou Zhejiang P. R. China
| | - Hongwei Liao
- Institute of Pharmaceutics College of Pharmaceutical Sciences Zhejiang University Hangzhou Zhejiang P. R. China
| | - Qiyue Wang
- Institute of Pharmaceutics College of Pharmaceutical Sciences Zhejiang University Hangzhou Zhejiang P. R. China
| | - Jieun Han
- Department of Biomedical‐Chemical Engineering and Biotechnology The Catholic University of Korea Bucheon Gyeonggi Republic of Korea
- Department of Biotechnology The Catholic University of Korea Bucheon Gyeonggi Republic of Korea
| | - Jun‐Hyeok Han
- Department of Biomedical‐Chemical Engineering and Biotechnology The Catholic University of Korea Bucheon Gyeonggi Republic of Korea
- Department of Biotechnology The Catholic University of Korea Bucheon Gyeonggi Republic of Korea
- Department of Biological Science Korea University Seoul Republic of Korea
| | - Ha Eun Shin
- Department of Biomedical‐Chemical Engineering and Biotechnology The Catholic University of Korea Bucheon Gyeonggi Republic of Korea
- Department of Biotechnology The Catholic University of Korea Bucheon Gyeonggi Republic of Korea
| | - Minghua Ge
- Zhejiang Provincial People's Hospital Hangzhou Hangzhou P. R. China
| | - Wooram Park
- Department of Biomedical‐Chemical Engineering and Biotechnology The Catholic University of Korea Bucheon Gyeonggi Republic of Korea
- Department of Biotechnology The Catholic University of Korea Bucheon Gyeonggi Republic of Korea
| | - Fangyuan Li
- Institute of Pharmaceutics College of Pharmaceutical Sciences Zhejiang University Hangzhou Zhejiang P. R. China
- Hangzhou Institute of Innovative Medicine College of Pharmaceutical Sciences Zhejiang University Hangzhou P. R. China
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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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