An alphavirus replicon-based vaccine expressing a stabilized Spike antigen induces protective immunity and prevents transmission of SARS-CoV-2 between cats

Abstract Early in the SARS-CoV-2 pandemic concerns were raised regarding infection of new animal hosts and the effect on viral epidemiology. Infection of other animals could be detrimental by causing clinical disease, allowing further mutations, and bares the risk for the establishment of a non-huma...

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Main Authors: Martijn A. Langereis, Irina C. Albulescu, Judith Stammen-Vogelzangs, Morindy Lambregts, Ken Stachura, Suzan Miller, Angela M. Bosco-Lauth, Airn E. Hartwig, Stephanie M. Porter, Michelle Allen, Mark Mogler, Frank J. M. van Kuppeveld, Berend-Jan Bosch, Paul Vermeij, Ad de Groof, Richard A. Bowen, Randy Davis, Zach Xu, Ian Tarpey
Format: Article
Language:English
Published: Nature Portfolio 2021-10-01
Series:npj Vaccines
Online Access:https://doi.org/10.1038/s41541-021-00390-9
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author Martijn A. Langereis
Irina C. Albulescu
Judith Stammen-Vogelzangs
Morindy Lambregts
Ken Stachura
Suzan Miller
Angela M. Bosco-Lauth
Airn E. Hartwig
Stephanie M. Porter
Michelle Allen
Mark Mogler
Frank J. M. van Kuppeveld
Berend-Jan Bosch
Paul Vermeij
Ad de Groof
Richard A. Bowen
Randy Davis
Zach Xu
Ian Tarpey
author_facet Martijn A. Langereis
Irina C. Albulescu
Judith Stammen-Vogelzangs
Morindy Lambregts
Ken Stachura
Suzan Miller
Angela M. Bosco-Lauth
Airn E. Hartwig
Stephanie M. Porter
Michelle Allen
Mark Mogler
Frank J. M. van Kuppeveld
Berend-Jan Bosch
Paul Vermeij
Ad de Groof
Richard A. Bowen
Randy Davis
Zach Xu
Ian Tarpey
author_sort Martijn A. Langereis
collection DOAJ
description Abstract Early in the SARS-CoV-2 pandemic concerns were raised regarding infection of new animal hosts and the effect on viral epidemiology. Infection of other animals could be detrimental by causing clinical disease, allowing further mutations, and bares the risk for the establishment of a non-human reservoir. Cats were the first reported animals susceptible to natural and experimental infection with SARS-CoV-2. Given the concerns these findings raised, and the close contact between humans and cats, we aimed to develop a vaccine candidate that could reduce SARS-CoV-2 infection and in addition to prevent spread among cats. Here we report that a Replicon Particle (RP) vaccine based on Venezuelan equine encephalitis virus, known to be safe and efficacious in a variety of animal species, could induce neutralizing antibody responses in guinea pigs and cats. The design of the SARS-CoV-2 spike immunogen was critical in developing a strong neutralizing antibody response. Vaccination of cats was able to induce high neutralizing antibody responses, effective also against the SARS-CoV-2 B.1.1.7 variant. Interestingly, in contrast to control animals, the infectious virus could not be detected in oropharyngeal or nasal swabs of vaccinated cats after SARS-CoV-2 challenge. Correspondingly, the challenged control cats spread the virus to in-contact cats whereas the vaccinated cats did not transmit the virus. The results show that the RP vaccine induces protective immunity preventing SARS-CoV-2 infection and transmission. These data suggest that this RP vaccine could be a multi-species vaccine useful to prevent infection and spread to and between animals should that approach be required.
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spelling doaj.art-2bd6aea37d7f4738945054de61b418dd2023-11-02T02:54:11ZengNature Portfolionpj Vaccines2059-01052021-10-016111010.1038/s41541-021-00390-9An alphavirus replicon-based vaccine expressing a stabilized Spike antigen induces protective immunity and prevents transmission of SARS-CoV-2 between catsMartijn A. Langereis0Irina C. Albulescu1Judith Stammen-Vogelzangs2Morindy Lambregts3Ken Stachura4Suzan Miller5Angela M. Bosco-Lauth6Airn E. Hartwig7Stephanie M. Porter8Michelle Allen9Mark Mogler10Frank J. M. van Kuppeveld11Berend-Jan Bosch12Paul Vermeij13Ad de Groof14Richard A. Bowen15Randy Davis16Zach Xu17Ian Tarpey18MSD Animal HealthDivision of Infectious Diseases and Immunology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht UniversityMSD Animal HealthMSD Animal HealthMerck Animal HealthMerck Animal HealthCollege of Veterinary Medicine and Biomedical Sciences, Colorado State UniversityCollege of Veterinary Medicine and Biomedical Sciences, Colorado State UniversityCollege of Veterinary Medicine and Biomedical Sciences, Colorado State UniversityMerck Animal HealthMerck Animal HealthDivision of Infectious Diseases and Immunology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht UniversityDivision of Infectious Diseases and Immunology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht UniversityMSD Animal HealthMSD Animal HealthCollege of Veterinary Medicine and Biomedical Sciences, Colorado State UniversityMerck Animal HealthMerck Animal HealthMSD Animal HealthAbstract Early in the SARS-CoV-2 pandemic concerns were raised regarding infection of new animal hosts and the effect on viral epidemiology. Infection of other animals could be detrimental by causing clinical disease, allowing further mutations, and bares the risk for the establishment of a non-human reservoir. Cats were the first reported animals susceptible to natural and experimental infection with SARS-CoV-2. Given the concerns these findings raised, and the close contact between humans and cats, we aimed to develop a vaccine candidate that could reduce SARS-CoV-2 infection and in addition to prevent spread among cats. Here we report that a Replicon Particle (RP) vaccine based on Venezuelan equine encephalitis virus, known to be safe and efficacious in a variety of animal species, could induce neutralizing antibody responses in guinea pigs and cats. The design of the SARS-CoV-2 spike immunogen was critical in developing a strong neutralizing antibody response. Vaccination of cats was able to induce high neutralizing antibody responses, effective also against the SARS-CoV-2 B.1.1.7 variant. Interestingly, in contrast to control animals, the infectious virus could not be detected in oropharyngeal or nasal swabs of vaccinated cats after SARS-CoV-2 challenge. Correspondingly, the challenged control cats spread the virus to in-contact cats whereas the vaccinated cats did not transmit the virus. The results show that the RP vaccine induces protective immunity preventing SARS-CoV-2 infection and transmission. These data suggest that this RP vaccine could be a multi-species vaccine useful to prevent infection and spread to and between animals should that approach be required.https://doi.org/10.1038/s41541-021-00390-9
spellingShingle Martijn A. Langereis
Irina C. Albulescu
Judith Stammen-Vogelzangs
Morindy Lambregts
Ken Stachura
Suzan Miller
Angela M. Bosco-Lauth
Airn E. Hartwig
Stephanie M. Porter
Michelle Allen
Mark Mogler
Frank J. M. van Kuppeveld
Berend-Jan Bosch
Paul Vermeij
Ad de Groof
Richard A. Bowen
Randy Davis
Zach Xu
Ian Tarpey
An alphavirus replicon-based vaccine expressing a stabilized Spike antigen induces protective immunity and prevents transmission of SARS-CoV-2 between cats
npj Vaccines
title An alphavirus replicon-based vaccine expressing a stabilized Spike antigen induces protective immunity and prevents transmission of SARS-CoV-2 between cats
title_full An alphavirus replicon-based vaccine expressing a stabilized Spike antigen induces protective immunity and prevents transmission of SARS-CoV-2 between cats
title_fullStr An alphavirus replicon-based vaccine expressing a stabilized Spike antigen induces protective immunity and prevents transmission of SARS-CoV-2 between cats
title_full_unstemmed An alphavirus replicon-based vaccine expressing a stabilized Spike antigen induces protective immunity and prevents transmission of SARS-CoV-2 between cats
title_short An alphavirus replicon-based vaccine expressing a stabilized Spike antigen induces protective immunity and prevents transmission of SARS-CoV-2 between cats
title_sort alphavirus replicon based vaccine expressing a stabilized spike antigen induces protective immunity and prevents transmission of sars cov 2 between cats
url https://doi.org/10.1038/s41541-021-00390-9
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