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  • Title: Relationship between specific circulating IgE, basophil cell-bound IgE and histamine release induced by purified allergens of Dermatophagoides farinae.
    Author: Le Mao J, Weyer A, Dandeu JP, Rabillon J, David B.
    Journal: Int Arch Allergy Appl Immunol; 1985; 76(4):289-95. PubMed ID: 2579911.
    Abstract:
    In this study we analysed the presence and proportions of IgE specific for Df 6 and Df 11, two purified allergens of Dermatophagoides farinae. The characterisation of serum IgE and cell-bound IgE for 3 D. farinae-sensitive patients were performed by CRIE, RAST and PRIST assays. Furthermore the basophils from these same patients were studied by histamine release assays in the presence of Df 6 and Df 11. All the individual patient's cell and serum IgE samples displayed the presence of IgE antibodies specific for Df 6 and Df 11, but the relative quantities of the IgE for these two specificities were characteristic of each patient. The ratios (Specific IgE for Df 11) : (Specific IgE for Df 6) (ratio 11 : 6) were similar in the serum and on the cells for an individual patient. As judged by histamine release assays, the basophil sensitivities towards Df 6 and Df 11 were very different from one atopic patient to another. Moreover cell sensitivities reflected the proportion of Df 6- and Df 11-specific IgE antibodies found in the serum and in the cell eluate.
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