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Updated: Mar 20, 2026

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Humanized Mediator Release Assay as a Read-Out for Allergen Potency
Published on: June 29, 2021
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Platelet Functions in Patients with Allergic Asthma.
Summary
Platelet functions, including count and aggregation, are significantly heightened in asthma patients compared to healthy individuals. These changes in platelet activity may be linked to elevated immunoglobulin E levels in allergic asthma.
Area of Science:
- Immunology
- Hematology
- Pulmonology
Background:
- Allergic diseases, such as asthma, are complex inflammatory conditions.
- Platelets are increasingly recognized for their role beyond hemostasis, including in inflammatory processes.
- Elevated immunoglobulin E (IgE) levels are a hallmark of allergic conditions.
Purpose of the Study:
- To investigate platelet count and aggregation function in patients with allergic asthma.
- To explore the relationship between platelet activity and IgE levels in asthmatic individuals.
Main Methods:
- Whole-blood electrical impedance system used for platelet count and aggregation studies.
- Platelet aggregation induced by collagen and adenosine diphosphate (ADP).
- Allergy screening performed using skin tests and CAP-Phadiatop system for IgE levels.
Main Results:
- Asthmatic patients exhibited significantly higher platelet counts compared to controls.
- Collagen- and ADP-induced platelet aggregation extent and rate were significantly elevated in asthmatic patients.
- Platelet function alterations correlated with increased IgE levels.
Conclusions:
- Platelet function is demonstrably altered in patients with allergic asthma.
- Increased platelet activity and elevated IgE levels are associated in asthmatic patients.
- Platelet-derived mediators may contribute to airway hyperresponsiveness in allergic asthma.
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