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Products: Peanuts
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Induction of Peanut Allergy Through Inhalation of Peanut in Mice.
Authors: Dolence, J. J.
- Journals: Methods Mol Biol
- Pages: 19-35
- Volume: 2223
- Year: 2020
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Peanut (PN) allergy is a common life-threatening disease; however, our knowledge on the immunological mechanisms remains limited. Here, we describe the first mouse model of inhalation-driven peanut allergy. We administered PN flour intranasally to naïve wild-type mice twice a week for 4 weeks, followed by intraperitoneal challenge with PN extract. Exposure of mice to PN flour sensitized them without addition of adjuvants, and mice developed PN-specific IgE, IgG1, and IgG2a. After challenge, mice displayed lower body temperature and other clinical signs of anaphylaxis. This inhalation model is an ideal system to allow for future examination of immunological mechanisms critical for the development of PN allergy.