• FluTrackers.com Inc. does not provide medical advice. Information on this web site is collected from various internet resources, and the FluTrackers board of directors makes no warranty to the safety, efficacy, correctness or completeness of the information posted on this site by any author or poster. The information collated here is for instructional and/or discussion purposes only and is NOT intended to diagnose or treat any disease, illness, or other medical condition. Every individual reader or poster should seek advice from their personal physician/healthcare practitioner before considering or using any interventions that are discussed on this website. By continuing to access this website you agree to consult your personal physican before using any interventions posted on this website, and you agree to hold harmless FluTrackers.com Inc., the board of directors, the members, and all authors and posters for any effects from use of any medication, supplement, vitamin or other substance, device, intervention, etc. mentioned in posts on this website, or other internet venues referenced in posts on this website.
  • We are not asking for any donations. Do not donate to any entity who says they are raising funds for us.

Immunity . A modified vaccinia Ankara vector-based vaccine protects macaques from SARS-CoV-2 infection, immune pathology, and dysfunction in the lu

tetano

Editor, Senior Moderator
Immunity


. 2021 Feb 4;S1074-7613(21)00042-X.
doi: 10.1016/j.immuni.2021.02.001. Online ahead of print.
A modified vaccinia Ankara vector-based vaccine protects macaques from SARS-CoV-2 infection, immune pathology, and dysfunction in the lungs


Nanda Kishore Routhu[SUP] 1 [/SUP], Narayanaiah Cheedarla[SUP] 1 [/SUP], Sailaja Gangadhara[SUP] 1 [/SUP], Venkata Satish Bollimpelli[SUP] 1 [/SUP], Arun K Boddapati[SUP] 2 [/SUP], Ayalnesh Shiferaw[SUP] 1 [/SUP], Sheikh Abdul Rahman[SUP] 1 [/SUP], Anusmita Sahoo[SUP] 1 [/SUP], Venkata Viswanadh Edara[SUP] 3 [/SUP], Lilin Lai[SUP] 3 [/SUP], Katharine Floyd[SUP] 3 [/SUP], Shelly Wang[SUP] 4 [/SUP], Stephanie Fischinger[SUP] 5 [/SUP], Caroline Atyeo[SUP] 5 [/SUP], Sally A Shin[SUP] 5 [/SUP], Sanjeev Gumber[SUP] 6 [/SUP], Shannon Kirejczyk[SUP] 6 [/SUP], Joyce Cohen[SUP] 7 [/SUP], Sherrie M Jean[SUP] 7 [/SUP], Jennifer S Wood[SUP] 7 [/SUP], Fawn Connor-Stroud[SUP] 7 [/SUP], Rachelle L Stammen[SUP] 7 [/SUP], Amit A Upadhyay[SUP] 4 [/SUP], Kathryn Pellegrini[SUP] 4 [/SUP], David Montefiori[SUP] 8 [/SUP], Pei-Yong Shi[SUP] 9 [/SUP], Vineet D Menachery[SUP] 10 [/SUP], Galit Alter[SUP] 5 [/SUP], Thomas H Vanderford[SUP] 4 [/SUP], Steven E Bosinger[SUP] 2 [/SUP], Mehul S Suthar[SUP] 3 [/SUP], Rama Rao Amara[SUP] 11 [/SUP]



Affiliations

Abstract

A combination of vaccination approaches will likely be necessary to fully control the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic. Here, we show that modified vaccinia Ankara (MVA) vectors expressing membrane-anchored pre-fusion stabilized spike (MVA/S) but not secreted S1 induced strong neutralizing antibody responses against SARS-CoV-2 in mice. In macaques, the MVA/S vaccination induced strong neutralizing antibodies and CD8[SUP]+[/SUP] T cell responses, and conferred protection from SARS-CoV-2 infection and virus replication in the lungs as early as day 2 following intranasal and intratracheal challenge. Single-cell RNA sequencing analysis of lung cells on day 4 after infection revealed that MVA/S vaccination also protected macaques from infection-induced inflammation and B cell abnormalities and lowered induction of interferon-stimulated genes. These results demonstrate that MVA/S vaccination induces neutralizing antibodies and CD8[SUP]+[/SUP] T cells in the blood and lungs and is a potential vaccine candidate for SARS-CoV-2.

Keywords: CD8 T cells; COVID-19; Modified Vaccinia Ankara; Neutralizing antibody; Protection; Rhesus macaques; SARS-CoV-2; Spike; Vaccine.
 
Back
Top Bottom