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Related Experiment Videos

The newer vaccines.

F Brown

    Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
    |September 12, 1985
    PubMed
    Summary
    This summary is machine-generated.

    New recombinant vaccines offer improved animal disease control by using specific viral proteins. These advanced vaccines, derived from genetic engineering, promise enhanced efficacy and production over traditional methods.

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    Area of Science:

    • Veterinary Virology
    • Vaccine Technology
    • Molecular Biology

    Background:

    • Traditional vaccines are crucial for controlling animal viral diseases like rinderpest, foot-and-mouth disease, and Newcastle disease.
    • Existing vaccine production and quality control methods present challenges, necessitating re-evaluation and innovation.
    • Viral immunizing activity is often localized to specific protein fragments within the virus particle.

    Purpose of the Study:

    • To explore the potential of recombinant DNA technology for developing novel animal vaccines.
    • To investigate the expression and immunogenicity of specific viral proteins as vaccine candidates.
    • To assess the feasibility of using synthesized immunogenic sites for vaccine development.

    Main Methods:

    • Dissection of virus particles to identify immunologically active protein fragments.

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  • Genetic identification and cloning of genes encoding key viral immunogens.
  • Expression of viral immunogens in prokaryotic and eukaryotic host systems.
  • Synthesis and testing of identified immunogenic sites.

    • Main Results:

    • Specific viral proteins have been identified as carrying the primary immunizing activity.
    • Recombinant DNA technology enables the expression of these immunogens in various cell systems.
    • Synthesized immunogenic sites demonstrate potential immunizing capabilities.

    Conclusions:

    • Recombinant vaccines, utilizing specific viral proteins or synthesized epitopes, represent a promising advancement in animal disease control.
    • This approach offers potential advantages over conventional vaccines in terms of production and quality.
    • While commercial availability is not immediate, rapid progress suggests new vaccines could emerge in the coming years.