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Experimental monkey model sensitized with mite antigen
M Yasue1, S Nakamura, T Yokota
1Bioscience Research and Development Laboratory, Asahi Breweries Ltd., Ibaraki, Japan. ma-a-kun@qa2.so-net.or.jp
International Archives of Allergy and Immunology
|May 5, 1998
Summary
Researchers developed a new primate model for house dust mite allergy using rhesus monkeys. This model successfully induced allergic reactions to mite allergens, offering a valuable tool for allergy research.
Area of Science:
- Immunology
- Allergy Research
- Primate Models
Background:
- Monkeys share immune system similarities with humans, making them suitable for allergy research.
- Existing primate models exist for pollen allergens, but not for house dust mite allergy.
- This study aimed to establish a rhesus monkey model for type I allergy to house dust mite allergens.
Purpose of the Study:
- To induce type I allergy to house dust mite allergens in rhesus monkeys.
- To evaluate the immune response and allergic reactions in sensitized monkeys.
- To establish a new primate model for house dust mite allergy research.
Main Methods:
- Rhesus monkeys were immunized with crude mite extract and recombinant Der f 2 (rDer f 2).
- Antigen-specific IgE and IgG levels, cutaneous reactions, and histamine release were measured.
- Conjunctival challenges were performed to assess immediate conjunctivitis and leukocyte influx.
Main Results:
- Five out of six monkeys showed IgE response to mite extract after immunization.
- Four out of five monkeys exhibited IgE production to rDer f 2.
- Three monkeys developed immediate conjunctivitis and conjunctival eosinophilia upon rDer f 2 challenge.
Conclusions:
- Four rhesus monkeys demonstrated positive IgE production and allergic reactions to both mite extract and rDer f 2.
- These monkeys serve as a valuable model for studying house dust mite allergy development and regulation.
- This model advances research into type I hypersensitivity reactions to common allergens.