1921
Volume 65, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645

Abstract

Recombinant proteins containing the B domain of dengue virus serotypes 1-4 fused to the maltose binding protein (MBP) of Escherichia coli were evaluated individually and as a tetravalent vaccine candidate in mice. Sera from mice immunized with monovalent DEN-MBP recombinant protein vaccines developed high titers of serotype homologous antibody in the enzyme-linked immunosorbent assay and the plaque-reduction neutralization test. Cross-reactive antibody titers were either several dilutions lower or not detectable. Sera from mice immunized with the tetravalent DEN subunit vaccine neutralized all 4 DEN viruses in the plaque-reduction neutralization test. The neutralizing antibody titers to each individual serotype were significantly greater than any cross-reactive neutralizing antibody titers induced by the monovalent vaccines, providing evidence that the tetravalent DEN recombinant subunit vaccine produced specific neutralizing antibody to all 4 serotypes of dengue virus.

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/content/journals/10.4269/ajtmh.2001.65.159
2001-08-01
2017-11-23
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