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Localization of a new neutralizing epitope on the mumps virus hemagglutinin–neuraminidase protein

Authors
Journal
Virus Research
0168-1702
Publisher
Elsevier
Publication Date
Volume
74
Identifiers
DOI: 10.1016/s0168-1702(00)00254-9
Disciplines
  • Biology

Abstract

Abstract Four protein fragments which span the entire hemagglutinin–neuraminidase protein (HN) of mumps virus were expressed in HeLa cells and cell extracts were tested for their capability to induce neutralizing antibodies in mice. Fragment HN3 (aa 213–372) was able to induce the production of hemagglutination-inhibiting and neutralizing antibodies. When a subfragment of HN3, the synthetic peptide NSTLGVKSAREF (aa 329–340 of HN) was used for immunization, hemagglutination-inhibiting and neutralizing antibodies against mumps wild type virus but not against the Urabe Am9 vaccine virus were raised. The peptide could, therefore, contain a new epitope, which may be critical for protective host humoral immune response.

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