Lab Updates

Introducing the PAX Pet Allergy Test

Lab Updates
Introducing the PAX Pet Allergy Test
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October 2024
Ampath | ampath.co.za

Overview

Diagnosing a pet allergy begins with:

  1. A thorough clinical history
  2. Physical examination
  3. Followed by diagnostic IgE testing, to differentiate from similar conditions

Understanding IgE Testing

There are two key types of laboratory IgE tests:

Whole Allergen Extract Testing

  • Measures IgE response to the entire allergen

Molecular Component Testing

  • Measures IgE response to the specific protein(s) causing the reaction
  • More specific, reducing false positives
  • Ideal for identifying clinically relevant allergens in pets with cross-reactive IgE

Introducing the PAX Pet Allergy Test

The PAX test is the first quantitative multiplex molecular component IgE assay specifically developed for:

  • Dogs
  • Cats
  • Horses

Key Features:

  • Detects IgE sensitisation to 200+ allergen extracts and molecular components
  • Offers a cost-effective view of sensitisation patterns
  • Especially useful in pets with cross-reactive antibodies (minimises irrelevant positive results)

Allergen Groups Tested with PAX

Inhalants

  • Pollens (grasses, trees, weeds)
  • Dander (cattle, dogs, horses, cats, mice, rabbits)
  • House dust mites and storage mites
  • Moulds and yeast
  • Cockroach and flea allergens

Food Allergens

Plant-Based:

  • Legumes: peanut, soy, lentil, peas
  • Fruits and vegetables: apple, carrot, tomato
  • Cereals and seeds: oats, wheat, corn, rice, sunflower seed, linseed

Animal-Based:

  • Cow’s milk
  • Hen’s egg
  • Meats: beef, turkey, chicken, rabbit, lamb, pork

Seafood:

  • Cod, salmon, tuna, mackerel

Edible Insects:

  • Mealworms

Insect Venoms

  • Ant
  • Honey bee
  • Wasp

Other Environmental Allergens

  • Midges and flies: deer fly, stable fly, horse fly
  • Latex
  • Roundworm

Cross-Reactive Molecular Components

  • CCD (cross-reactive carbohydrate determinants)
  • PR-10
  • Profilin
  • Lipid transfer protein (LTP)
  • Storage proteins
  • Parvalbumin
  • Tropomyosin
  • Lipocalins

Result Interpretation

  • Each test includes a personalised, easy-to-understand report
  • Displays the pet’s individual allergy profile
  • Includes relevant clinical insights to support diagnosis and treatment planning

Conclusion

The PAX pet allergy test enables:

  • Accurate diagnosis of IgE-mediated allergies
  • Better risk assessment
  • Tailored strategies for:
    • Allergen avoidance
    • Medical therapy
    • Immunotherapy

Helping improve symptom control and quality of life for dogs, cats, and horses.

📞 For more info, contact the NRL Immunology Laboratory:
Tel: 012 678 0613 / 0614