3H‐Histamine Release from Human Leukocytes

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Abstract
A rapid, simple, and inexpensive method for large scale screening of patients suspected of type I allergy has been developed. The method is based on in vitro incorporation of 3H‐histamine in the leukocytes of the patient, whereafter release of labelled histamine is measured after provocation of the cells with the suspected allergen. The new method was compared with the conventional basophil histamine release technique by in vitro provocation of six asthmatic patients under suspicion of type 1 allergy against animal dander, house dust, and mite, and an almost identical it‐lease of histamine was observed in both assays.