Protective effects of glycoprotein-specific monoclonal antibodies on the course of experimental mumps virus meningoencephalitis

  • Wolinsky J
  • Waxham M
  • Server A
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Abstract

Newborn Syrian hamsters were challanged with an intracerebral inoculum containing 128 50% lethal doses of the Kilham strain of mumps virus and treated 24 h later with a single intraperitoneal injection of mouse monoclonal antibody. Monoclonal antibodies reactive with epitopes on the fusion glycoprotein of mumps virus could not inhibit hemagglutination or neutralize infectivity in vitro and failed to provide biologically important protection against the in vivo infection. In contrast, monoclonal antibodies reactive with epitopes on the hemagglutinin-neuraminidase glycoprotein of mumps virus inhibited hemagglutination and neutralized infectivity in vitro and protected infected animals from the otherwise lethal central nervous system virus infection. Similar protection was provided by both purified immunoglobulin and F(ab')2 fragments. Immuno-cytochemical and virological studies showed diminished virus antigen and virus titers in the brains of successfully treated animals. It appears that a topographically restricted region of the hemagglutinin-neuraminidase molecule of the Kilham strain of mumps virus is of critical importance for immune recognition by the infected host.

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APA

Wolinsky, J. S., Waxham, M. N., & Server, A. C. (1985). Protective effects of glycoprotein-specific monoclonal antibodies on the course of experimental mumps virus meningoencephalitis. Journal of Virology, 53(3), 727–734. https://doi.org/10.1128/jvi.53.3.727-734.1985

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