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Boosting of SARS-CoV-2 immunity in nonhuman primates using an oral rhabdoviral vaccine
Kah Whye Peng; Timothy Carey; Patrcyja Lech; Rianna Vandergaast; Miguel A Munoz-Alia; Nandakumar Packiriswamy; Clement Gnanadurai; Karina Krotova; Mulu Tesfay; Christopher Ziegler; Michelle Haselton; Kara Sevola; Chase Lathrum; Samantha Reiter; Riya Narjari; Baskar Balakrishnan; Lukkana Suksanpaisan; Toshie Sakuma; Jordan Recker; Lianwen Zhang; Scott Waniger; Luke Russell; Christopher Petro; Christos A Kyratsous; Alina Baum; Jody L Janecek; Rachael Lee; Sabarinathan Ramachandran; Melanie Graham; Stephen J Russell.
Afiliación
  • Kah Whye Peng; Mayo Clinic
  • Timothy Carey; Imanis Life Sciences
  • Patrcyja Lech; Vyriad
  • Rianna Vandergaast; Imanis Life Sciences
  • Miguel A Munoz-Alia; Vyriad
  • Nandakumar Packiriswamy; Mayo Clinic
  • Clement Gnanadurai; Imanis Life Sciences
  • Karina Krotova; Imanis Life Sciences
  • Mulu Tesfay; Imanis Life Sciences
  • Christopher Ziegler; Imanis Life Sciences
  • Michelle Haselton; Imanis Life Sciences
  • Kara Sevola; Imanis Life Sciences
  • Chase Lathrum; Imanis Life Sciences
  • Samantha Reiter; Imanis Life Sciences
  • Riya Narjari; Imanis Life Sciences
  • Baskar Balakrishnan; Mayo Clinic
  • Lukkana Suksanpaisan; Imanis Life Sciences
  • Toshie Sakuma; Vyriad
  • Jordan Recker; Vyriad
  • Lianwen Zhang; Vyriad
  • Scott Waniger; Vyriad
  • Luke Russell; Vyriad
  • Christopher Petro; Regeneron Pharmaceuticals
  • Christos A Kyratsous; Regeneron Pharmaceuticals, Inc.
  • Alina Baum; Regeneron Pharmaceuticals
  • Jody L Janecek; University of Minnesota
  • Rachael Lee; University of Minnesota
  • Sabarinathan Ramachandran; University of Minnesota
  • Melanie Graham; University of Minnesota
  • Stephen J Russell; Vyriad
Preprint en En | PREPRINT-BIORXIV | ID: ppbiorxiv-464660
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ABSTRACT
An orally active vaccine capable of boosting SARS-CoV-2 immune responses in previously infected or vaccinated individuals would help efforts to achieve and sustain herd immunity. Unlike mRNA-loaded lipid nanoparticles and recombinant replication-defective adenoviruses, replicating vesicular stomatitis viruses with SARS-CoV-2 spike glycoproteins (VSV-SARS2) were poorly immunogenic after intramuscular administration in clinical trials. Here, by G protein trans-complementation, we generated VSV-SARS2(+G) virions with expanded target cell tropism. Compared to parental VSV-SARS2, G-supplemented viruses were orally active in virus-naive and vaccine-primed cynomolgus macaques, powerfully boosting SARS-CoV-2 neutralizing antibody titers. Clinical testing of this oral VSV-SARS2(+G) vaccine is planned.
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Texto completo: 1 Colección: 09-preprints Base de datos: PREPRINT-BIORXIV Tipo de estudio: Prognostic_studies Idioma: En Año: 2021 Tipo del documento: Preprint
Texto completo: 1 Colección: 09-preprints Base de datos: PREPRINT-BIORXIV Tipo de estudio: Prognostic_studies Idioma: En Año: 2021 Tipo del documento: Preprint