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Hypersensitivity disorders in horses.

C E Swiderski1

  • 1Section of Serology, Virology, and Molecular Diagnostics, Arkansas Diagnostic Laboratory of the Livestock and Poultry Commission, Little Rock, USA.

The Veterinary Clinics of North America. Equine Practice
|April 7, 2000
PubMed
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Hypersensitivity involves exaggerated immune responses causing inflammation and organ dysfunction. This review details the immunopathogenesis of these disorders, focusing on their application in equine disease.

Area of Science:

  • Immunology
  • Veterinary Medicine
  • Pathogenesis

Background:

  • Hypersensitivity is an exaggerated immune response to foreign agents, leading to inflammation and organ dysfunction.
  • Disorders are classified into antibody-mediated and T-cell-mediated types.
  • Inflammatory pathways are initiated via antigen-specific interactions with antibodies or T-cell receptors.

Purpose of the Study:

  • To review current concepts in the immunopathogenesis of hypersensitivity disorders.
  • To demonstrate how these immune mechanisms apply to equine diseases.

Main Methods:

  • Review of current scientific literature on hypersensitivity and immunopathogenesis.
  • Application of general immunopathogenic principles to specific equine disease contexts.

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Main Results:

  • Hypersensitivity reactions involve antigen-specific activation of immune cells.
  • Effector mechanisms include the release of inflammatory mediators (cytokines, chemokines) and leukocyte recruitment/activation.
  • These mechanisms underlie various equine diseases.

Conclusions:

  • Understanding hypersensitivity immunopathogenesis is crucial for diagnosing and managing equine diseases.
  • The review highlights the shared fundamental mechanisms across different hypersensitivity disorders in horses.