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Development of an Assay Method to Search for Compounds Inhibiting Stress-Enhanced Allergy.

Hisae Oku¹, Ryoko Kanaya, Kyoko Ishiguro

¹School of Pharmacy and Pharmaceutical Sciences, Mukogawa Women's University.

Biological & Pharmaceutical Bulletin

|May 7, 2016

Summary

This study developed a new mouse model to evaluate how stress worsens allergies like atopic dermatitis and asthma. The model helps find drugs that can reduce stress-enhanced allergic responses.

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Area of Science:

Immunology
Neuroscience
Pharmacology

Background:

Stress is known to worsen allergic conditions such as atopic dermatitis and asthma.
Stress significantly impacts physiological functions, including blood flow (BF).
Allergic reactions can also alter blood flow dynamics.

Purpose of the Study:

To establish a novel in vivo model for assessing chronic restraint stress-induced allergy exacerbation.
To utilize decreased blood flow as a biomarker in a new assay for anti-allergy substances.
To validate the model's utility in screening potential therapeutic agents for stress-related allergic disorders.

Main Methods:

Mice were sensitized with hen egg-white lysozyme (HEL) and subjected to daily restraint stress.
Blood flow reduction during stress was monitored as a key indicator.
The developed model was used to test the efficacy of crude drugs in mitigating stress-enhanced allergies.

Main Results:

A reliable model for chronic restraint stress-enhanced allergies was successfully established.
Decreased blood flow was identified as a measurable parameter correlating with stress-induced allergy.
The model demonstrated effectiveness in evaluating crude drugs for treating stress-related conditions.

Conclusions:

The developed mouse model provides a valuable tool for studying stress-exacerbated allergies.
This assay can aid in the discovery and development of new drugs targeting stress-enhanced allergic diseases.
The findings support the use of this model for identifying anti-allergy agents with potential stress-mitigating properties.