MERS-CoV spike nanoparticles protect mice from MERS-CoV infection.

Vaccine

University of Maryland, School of Medicine, 685 West Baltimore St, Baltimore, MD 21201, United States. Electronic address:

Published: March 2017

AI Article Synopsis

  • MERS-CoV, discovered in 2012, has led to over 1,800 infections and 650 deaths, with no current approved treatments or vaccines.
  • The spike (S) protein of MERS-CoV is crucial for infection and is a promising target for vaccine development since it stimulates the immune response.
  • The study shows that a recombinant MERS-CoV S nanoparticle vaccine combined with the Matrix-M1 adjuvant effectively induced strong antibody responses and protected mice from the virus.

Article Abstract

The Middle East respiratory syndrome coronavirus (MERS-CoV) was first discovered in late 2012 and has gone on to cause over 1800 infections and 650 deaths. There are currently no approved therapeutics or vaccinations for MERS-CoV. The MERS-CoV spike (S) protein is responsible for receptor binding and virion entry to cells, is immunodominant and induces neutralizing antibodies in vivo, all of which, make the S protein an ideal target for anti-MERS-CoV vaccines. In this study, we demonstrate protection induced by vaccination with a recombinant MERS-CoV S nanoparticle vaccine and Matrix-M1 adjuvant combination in mice. The MERS-CoV S nanoparticle vaccine produced high titer anti-S neutralizing antibody and protected mice from MERS-CoV infection in vivo.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5423355PMC
http://dx.doi.org/10.1016/j.vaccine.2017.02.012DOI Listing

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