Immunogenicity of a novel tetravalent vaccine formulation with four recombinant lipidated dengue envelope protein domain IIIs in mice

Sci Rep. 2016 Jul 29:6:30648. doi: 10.1038/srep30648.

Abstract

We developed a novel platform to express high levels of recombinant lipoproteins with intrinsic adjuvant properties. Based on this technology, our group developed recombinant lipidated dengue envelope protein domain IIIs as vaccine candidates against dengue virus. This work aims to evaluate the immune responses in mice to the tetravalent formulation. We demonstrate that 4 serotypes of recombinant lipidated dengue envelope protein domain III induced both humoral and cellular immunity against all 4 serotypes of dengue virus on the mixture that formed the tetravalent formulation. Importantly, the immune responses induced by the tetravalent formulation in the absence of the exogenous adjuvant were functional in clearing the 4 serotypes of dengue virus in vivo. We affirm that the tetravalent formulation of recombinant lipidated dengue envelope protein domain III is a potential vaccine candidate against dengue virus and suggest further detailed studies of this formulation in nonhuman primates.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Dengue / prevention & control*
  • Dengue Vaccines / administration & dosage
  • Dengue Vaccines / genetics
  • Dengue Vaccines / immunology*
  • Dengue Virus / immunology*
  • Disease Models, Animal
  • Enzyme-Linked Immunospot Assay
  • Female
  • Immunity, Cellular
  • Immunity, Humoral
  • Lipoproteins / genetics
  • Lipoproteins / immunology*
  • Mice, Inbred BALB C
  • Neutralization Tests
  • Protein Domains
  • Recombinant Proteins / genetics
  • Recombinant Proteins / immunology*
  • Serogroup
  • Vaccines, Synthetic / administration & dosage
  • Vaccines, Synthetic / genetics
  • Vaccines, Synthetic / immunology
  • Viral Envelope Proteins / genetics
  • Viral Envelope Proteins / immunology*

Substances

  • Dengue Vaccines
  • Lipoproteins
  • Recombinant Proteins
  • Vaccines, Synthetic
  • Viral Envelope Proteins