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Recognition of several idiotopes on a monoclonal anti-hepatitis B virus surface antigen using monoclonal

Y M Thanavala1, M J Moore, R Tedder

  • 1Department of Immunology, School of Pathology, Middlesex Hospital Medical School, London, U.K.

Immunology
|April 1, 1988
PubMed

A monoclonal murine antibody H3F5 directed to the a determinant of hepatitis B surface antigen (HBsAg) was used to raise several monoclonal anti-idiotypes. Cross-blocking experiments between the anti-idiotypes and the patterns of inhibition produced by a number of other monoclonal anti-HBsAg, generated in the same fusion as H3F5, identified three idiotopes on H3F5 which were shared to varying degrees with the other anti-HBsAg monoclonals. One behaved as a dominant cross-reacting idiotope (CRI) in that it appeared strongly in 5/7 monoclonal idiotypes. The CRI could represent an important target for regulation by anti-idiotope. Monoclonal antibodies have many advantages over polyclonal sera in the detailed analysis of idiotope structures.

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Hybridoma Technology

Hybridoma technology is used for the large-scale production of monoclonal antibodies. Monoclonal antibodies bind to only a single antigenic determinant or epitope. Such antibodies are used in research, diagnostics, and disease therapy. The hybridoma technology established in 1975 by Georges Köhler and Cesar Milstein was awarded the Nobel Prize in Medicine in 1984 for revolutionizing research and therapy.
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Commonly used fusion techniques — electroporation, polyethylene glycol...