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Related Experiment Videos

[CEA test in domestic animals].

M Hässig1, M Casal, B Von Beust

  • 1Klinik für Geburtshilfe, Euter- und Jungtierkrankheiten mit Ambulatorium und Klinik für Innere Medizin der Haustiere, Universität Zürich.

Schweizer Archiv Fur Tierheilkunde
|January 1, 1991
PubMed
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A new monoclonal carcinoembryonic antigen (CEA) test, though designed for humans, shows diagnostic value in animal serum testing. This monoclonal CEA test offers supplemental diagnostic insights for veterinary medicine.

Area of Science:

  • Veterinary diagnostics
  • Biomarker analysis
  • Immunodiagnostics

Context:

  • Carcinoembryonic antigen (CEA) testing is standard in human cancer care but has limitations.
  • Traditional polyclonal antibody tests for CEA lack reproducibility with animal sera.
  • A novel monoclonal CEA test, developed for human use, was assessed for veterinary applications.

Purpose:

  • To evaluate the diagnostic utility of a monoclonal carcinoembryonic antigen (CEA) test in animal serum.
  • To determine if a human-derived monoclonal CEA assay can provide reliable results for veterinary patients.
  • To establish upper normal limits for CEA in various animal species using the monoclonal assay.

Summary:

  • The study investigated a monoclonal carcinoembryonic antigen (CEA) test, originally for human use, for its applicability in animal serum diagnostics.

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  • Despite limitations in human testing (40% sensitivity, 70% specificity) and issues with polyclonal antibodies in animals, the monoclonal test proved valuable.
  • The research established species-specific upper normal limits for CEA in dogs, cats, cows, sheep, and horses, indicating its supplemental diagnostic potential.

    • Impact:

    • The monoclonal CEA test provides supplemental diagnostic value in veterinary medicine.
    • Establishes species-specific reference ranges for CEA, aiding in animal health assessments.
    • Offers a more reproducible method for CEA testing in animals compared to polyclonal antibody-based assays.