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Experimental models for ulcerative colitis.

A B Onderdonk

    Digestive Diseases and Sciences
    |December 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Animal models show potential for studying ulcerative colitis (UC) and Crohn's disease. Research suggests microbial involvement, but definitive bacterial or viral causes remain elusive.

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    Area of Science:

    • Gastroenterology
    • Immunology
    • Microbiology

    Background:

    • Animal models are crucial for understanding ulcerative colitis (UC).
    • Despite varied models, a definitive microbial etiology for UC remains elusive.
    • Suggestive evidence points to bacterial roles in specific UC models.

    Purpose of the Study:

    • To review animal models for ulcerative colitis (UC) and Crohn's disease.
    • To explore the evidence for microbial involvement in UC pathogenesis.
    • To highlight the challenges and potential of animal models in UC research.

    Main Methods:

    • Review of existing literature on animal models of ulcerative colitis.
    • Analysis of studies using specific inducing agents (e.g., dinitrochlorobenzine, carrageenin).

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  • Examination of research involving antimicrobial agents and immunologically deficient mice.

    • Main Results:

    • Carrageenin-induced UC in guinea pigs and rabbit models show potential bacterial involvement.
    • Antimicrobial agents impact experimental colitis and proliferative ileitis in hamsters.
    • Transmissible agents are implicated in UC and Crohn's disease models using immunodeficient mice.

    Conclusions:

    • Animal models offer valuable insights into UC and Crohn's disease mechanisms.
    • Further research is needed to identify specific microbial agents and their roles.
    • Despite differences, animal models may reflect human disease etiologies.