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Animal models and vaccine development

A Lee1

  • 1School of Microbiology and Immunology, University of New South Wales, Kensington, Sydney, Australia.

Bailliere'S Clinical Gastroenterology
|September 1, 1995
PubMed
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Developing animal models for Helicobacter pylori research is crucial. The H. felis mouse model shows promise for vaccine development and therapeutic immunization against gastritis and ulcers.

Area of Science:

  • Microbiology
  • Immunology
  • Veterinary Medicine

Background:

  • Helicobacter pylori is a major gastroduodenal pathogen.
  • Development of effective animal models is essential for studying pathogenesis and treatment strategies.
  • Existing models have limitations, necessitating more convenient options.

Purpose of the Study:

  • To review the utility of various animal models for Helicobacter research.
  • To highlight the potential of the Helicobacter felis mouse model for vaccine development.
  • To explore therapeutic immunization as a strategy for Helicobacter-associated diseases.

Main Methods:

  • Review of established and emerging animal models for Helicobacter infections.
  • Investigation of Helicobacter felis and Helicobacter pylori infections in mice.

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  • Evaluation of oral immunization strategies using bacterial sonicates, recombinant urease, and mucosal adjuvants.

    • Main Results:

    • The H. felis mouse model develops gastritis, atrophy, and lymphoma-like lesions.
    • Oral immunization in mice can prevent H. felis infection.
    • Immunization has demonstrated eradication of existing infection in animal models.

    Conclusions:

    • The H. felis mouse model is valuable for developing vaccines against H. pylori.
    • Therapeutic immunization offers a potential strategy for managing Helicobacter-associated diseases.
    • Combined immunization and acid suppression could prevent reinfection and treat existing ulcers.