Characterization of variable-region genes and shared crossreactive idiotypes of antibodies specific for antigens of various influenza viruses

T. M. Moran, M. Monestier, A. C.K. Lai, G. Norton, M. A. Reale, M. A. Thompson, J. L. Schulman, R. Riblet, C. A. Bona

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    Abstract

    Several syngeneic monoclonal anti-idiotypic antibodies were obtained against PY206, a monoclonal antibody specific for X-31 (H3N2) influenza virus hemagglutinin. This idiotype was found in the sera of BALB/c mice immunized with various influenza viruses. Adsorption experiments indicated that the PY206 Id was borne by antibodies specific for viral hemagglutinin (HA) and/or neuraminidase (NA). This idiotype was identified on other monoclonal antibodies specific for various influenza HAs (H3 and H1). Study of the variable-region (V) genes of these monoclonal antibodies showed that its expression is independent of variable kappa (V(K))21 light-chains and that the heavy-chains of the strongly idiotype-positive hybridomas derive from either the variable heavy (V(H)) J558 or V(H) 7183 family. Finally, Western blot analysis demonstrated that PY206 idiotypic determinants are located exclusively on the heavy chain.

    Original languageEnglish
    Pages (from-to)1-12
    Number of pages12
    JournalViral Immunology
    Volume1
    Issue number1
    DOIs
    StatePublished - 1987

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