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[Human basophil degranulation test. Results of a modified technic (I)]
Allergologia Et Immunopathologia
|July 1, 1986
Summary
This study presents an optimized Human Basophils Degranulation Test (HBDT) for diagnosing Type I Hypersensitivity. The modified technique enhances basophil staining and identifies optimal antigen dilutions for accurate allergy testing.
Area of Science:
- Immunology
- Allergy Diagnostics
- Cell Biology
Context:
- Type I Hypersensitivity reactions involve basophil degranulation upon antigen exposure.
- Accurate diagnosis requires sufficient basophil quantity and effective staining techniques.
- The Human Basophils Degranulation Test (HBDT) is a diagnostic tool for Type I Hypersensitivity.
Purpose:
- To present a modified Human Basophils Degranulation Test (HBDT) technique for improved basophil granulocyte staining.
- To optimize basophil enrichment and antigen concentration for HBDT.
Summary:
- A modified HBDT protocol was developed and tested on 33 patients with known pollen or dust mite allergies.
- Basophil enrichment was achieved using Percoll density gradient centrifugation, with optimal yield at a density of 1080.
- Optimal antigen dilutions for grass pollen and D. pteronyssinus were determined to be 10(-5).
Impact:
- The optimized HBDT technique facilitates more reliable diagnosis of Type I Hypersensitivity allergies.
- Improved basophil staining and standardized antigen concentrations enhance the test's clinical utility.
- This method aids in identifying specific allergen sensitivities, crucial for patient management.