Related Experiment Video
Updated: Jul 28, 2026
08:05
Murine Model of Allergen Induced Asthma
Published on: May 14, 2012
Dust mite-induced asthma in cynomolgus monkeys
Michael R Van Scott1, Jerry L Hooker, David Ehrmann
1Department of Physiology, East Carolina University, Greenville, NC 27858, USA. vanscottmi@mail.ecu.edu
Journal of Applied Physiology (Bethesda, Md. : 1985)
|December 16, 2003
Summary
A new cynomolgus monkey model of allergic asthma was developed using dust mite sensitization. This model mimics human asthma symptoms and shows age-dependent variations in response, aiding asthma gene target research.
Area of Science:
- Immunology
- Pulmonology
- Primate Models
Background:
- Asthma research requires animal models with high genetic and pathophysiological homology to humans.
- Identifying and validating gene targets for asthma is crucial for developing effective treatments.
Purpose of the Study:
- To develop a nonhuman primate model of allergic asthma using dust mite sensitization.
- To investigate the immunological and physiological responses to allergen exposure in cynomolgus monkeys.
- To explore the impact of age at sensitization on asthma development and severity.
Main Methods:
- Cynomolgus monkeys were sensitized to dust mite antigen.
- Allergen-specific IgE and IgG levels were measured.
- Cytokine release (IL-4, IL-5, IL-10, IFN-gamma) from peripheral blood mononuclear cells was assessed.
- Airway function (dynamic compliance, airway resistance) and responsiveness to histamine were evaluated.
- Histopathological changes in airway walls were examined.
- Effects of albuterol and dexamethasone on airway constriction and inflammation were studied.
Main Results:
- Sensitization led to elevated allergen-specific IgE and IgG, and increased IL-4, IL-5, and IL-10 production.
- Aerosolized allergen challenge decreased dynamic compliance and induced airway inflammation and hyperresponsiveness.
- Albuterol and dexamethasone demonstrated therapeutic effects on airway constriction and inflammation.
- Airway remodeling, including goblet cell hyperplasia and smooth muscle hypertrophy, was observed, particularly in neonatally sensitized animals.
- Neonatally sensitized animals showed increased sensitivity to adenosine and greater changes in airway resistance and dynamic compliance compared to adult-sensitized animals.
Conclusions:
- Cynomolgus monkeys sensitized to dust mites develop asthmalike symptoms, validating this as a relevant model for allergic asthma.
- The age at sensitization influences the severity of asthma-like symptoms and airway hyperresponsiveness.
- This primate model provides a valuable platform for studying asthma pathogenesis and for the identification and validation of therapeutic targets.
