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  • Title: Different mechanisms of protection by monoclonal and polyclonal antibodies during the course of herpes simplex virus infection.
    Author: Eis-Hübinger AM, Mohr K, Schneweis KE.
    Journal: Intervirology; 1991; 32(6):351-60. PubMed ID: 1657825.
    Abstract:
    Young adult C57BL mice intravaginally inoculated with herpes simplex virus type 1 and passively immunized with a monoclonal antibody directed against herpes simplex virus type 1 glycoprotein gB were shown to be more effectively protected against infection as compared with mice treated with polyclonal immune serum. In contrast to polyclonal antiserum, the monoclonal antibody markedly restricted viral multiplication in the infected mucous membranes. Consequently, skin lesions were completely prevented, and the extent of ganglionic infection was significantly reduced. The mechanism by which a monoclonal antibody, specific to glycoprotein gC, effected protection also differed from that of the hyperimmune serum, since premature latency was not induced. The data provide strong evidence that the mechanisms of protection mediated by antibodies depend on their epitope specificity. The inhibition of active antibody response after passive immunization was inducible by polyclonal antibody only, not by monoclonal antibodies.
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