Study
Human FactorsHigh ImpactStrong effect

Allergic Rhinitis Triggers Inflammatory Cell Migration to Airways and Nasal Mucosa

Exposure to allergens in individuals with allergic rhinitis causes a significant increase in inflammatory cells within the nasal and bronchial passages, indicating a localized immune response.

American Journal of Respiratory and Critical Care Medicine · 2001

01

Key Findings

  • 01In allergic rhinitis patients, basophil numbers significantly increased in the bronchial mucosa after provocation.
  • 02In the nasal mucosa of allergic rhinitis patients, mast cell numbers decreased while basophil numbers increased significantly after provocation.
  • 03In the blood of allergic rhinitis patients, basophil numbers decreased and Interleukin-5 levels increased after provocation.
  • 04No significant changes were observed in healthy controls.
02

Application

Design takeaway

Design interventions aimed at mitigating the effects of allergic rhinitis should account for the localized inflammatory cell activity in both the upper and lower respiratory tracts.

How to apply

When designing products or environments intended for use by individuals with respiratory sensitivities, consider materials, airflow, and filtration that minimize allergen exposure and support respiratory health.

Project actions

  • 01Consider how your design might interact with or be affected by human physiological responses.
  • 02If designing for health-related contexts, research the biological mechanisms involved.
03

Method & Evidence

AimTo investigate the changes in mast cell and basophil populations within the nasal and bronchial mucosa following segmental bronchial provocation in patients with allergic rhinitis.
MethodExperimental study with immunological analysis
ProcedureAllergic rhinitis patients and healthy controls underwent segmental bronchial provocation. Biopsies of nasal and bronchial mucosa, along with blood samples, were collected before and 24 hours after provocation. Immunohistochemical staining was used to quantify mast cells and basophils.
Sample16 participants (8 allergic rhinitis patients, 8 healthy controls)
ContextMedical research, specifically immunology and respiratory health

Variables

IVSegmental bronchial provocation (SBP) in allergic rhinitis patients
DVNumbers of mast cells and basophils in nasal and bronchial mucosa, and basophils in blood; IL-5 levels in blood
CVHealthy controls, time points (T0 and T24)
04

Strengths & Limitations

Strengths

  • +Direct measurement of cellular changes in relevant tissues.
  • +Comparison between allergic rhinitis patients and healthy controls.

Limitations

The study was conducted in a lab setting with specific allergens. Real-world exposure is more complex and variable.

Reliability & validity

The use of immunohistochemistry and statistical analysis (p-values) suggests good reliability and validity for the cellular counts. However, the small sample size might limit generalizability.

Think critically

How might the observed inflammatory cell migration influence the design of wearable air filtration devices or indoor air purification systems?

05

Design Principles

"Design for biological responsiveness: Consider how human biological systems react to environmental stimuli and design to support or mitigate these reactions."

Understanding how the body's biological systems respond to environmental triggers is crucial for designing products and environments that minimize adverse health effects. This knowledge informs the development of protective measures, diagnostic tools, and therapeutic interventions.

06

What This Means for Your Design

When people with hay fever are exposed to pollen, their nose and lungs get more of certain white blood cells that cause inflammation, showing the body is reacting to the allergen.

How to use in your project

  • 1.Use this research to justify design choices related to user health and physiological responses, especially in areas like air quality, personal protective equipment, or medical devices.
07

Add to My Project

08

Quick Cite

(2001). Segmental Bronchoprovocation in Allergic Rhinitis Patients Affects Mast Cell and Basophil Numbers in Nasal and Bronchial Mucosa. American Journal of Respiratory and Critical Care Medicine. https://doi.org/10.1164/ajrccm.164.5.2006082 Retrieved from https://designdex.org/study/9817f0a8-cf9a-41f2-99f0-74b52a9efe06/allergic-rhinitis-triggers-inflammatory-cell-migration-to-airways-and-nasal-mucosa

Paragraph starter

Research indicates that exposure to allergens can trigger significant inflammatory responses in the respiratory system, with cells like basophils migrating to the nasal and bronchial mucosa. This understanding is critical for designing products that aim to mitigate allergic reactions or improve respiratory health, by informing material selection, ventilation strategies, and protective measures.

09

Source

American Journal of Respiratory and Critical Care Medicine

Segmental Bronchoprovocation in Allergic Rhinitis Patients Affects Mast Cell and Basophil Numbers in Nasal and Bronchial Mucosa

journal · 2001

View source

Questions about this research

What does the research say about allergic rhinitis triggers inflammatory cell migration to airways and nasal mucosa?
Design interventions aimed at mitigating the effects of allergic rhinitis should account for the localized inflammatory cell activity in both the upper and lower respiratory tracts. Evidence: American Journal of Respiratory and Critical Care Medicine (2001).
Why does "Allergic Rhinitis Triggers Inflammatory Cell Migration to Airways and Nasal Mucosa" matter for design?
Understanding how the body's biological systems respond to environmental triggers is crucial for designing products and environments that minimize adverse health effects. This knowledge informs the development of protective measures, diagnostic tools, and therapeutic interventions.
How can designers apply this research?
Design interventions aimed at mitigating the effects of allergic rhinitis should account for the localized inflammatory cell activity in both the upper and lower respiratory tracts.
What were the main findings?
In allergic rhinitis patients, basophil numbers significantly increased in the bronchial mucosa after provocation.. In the nasal mucosa of allergic rhinitis patients, mast cell numbers decreased while basophil numbers increased significantly after provocation.. In the blood of allergic rhinitis patients, basophil numbers decreased and Interleukin-5 levels increased after provocation.. No significant changes were observed in healthy controls.
What research method was used?
Experimental study with immunological analysis with 16 participants (8 allergic rhinitis patients, 8 healthy controls).
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2001 journal from American Journal of Respiratory and Critical Care Medicine.
What should I do differently in my next project?
When designing products or environments intended for use by individuals with respiratory sensitivities, consider materials, airflow, and filtration that minimize allergen exposure and support respiratory health.
What are the limitations?
The study focused on a specific allergen (grass pollen) and a specific provocation method. The findings may not be generalizable to all allergens or types of exposure. The sample size was relatively small.
Is there evidence that allergic rhinitis affects design outcomes?
Exposure to allergens in allergic rhinitis patients leads to a migration of inflammatory cells, specifically basophils, into the airways and nasal passages, suggesting a localized immune response and potential degranulation of mast cells in the nose. Understanding how the body's biological systems respond to environmen Source: American Journal of Respiratory and Critical Care Medicine (2001).
Where does this inflammatory cell research apply?
Medical research, specifically immunology and respiratory health It sits within human factors research on designdex.org.

Related research topics

allergic rhinitis design research · evidence on allergic rhinitis · does allergic rhinitis improve design outcomes · inflammatory cell studies for designers · allergic rhinitis and inflammatory cell findings · human factors research evidence