Selectivity of mediators released by eosinophils

Monique Capron, Margherita Tomassini, Gérard Torpier, Jean Pierre Kusnierz, Susan Macdonald, André Capron

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


The presence of receptors for IgE on eosinophils has drawn the attention on their direct participation in IgE-dependent hypersensitivity reactions. Surface IgE antibodies were detected on eosinophils from allergic patients. The addition of the specific allergen or anti-IgE antibodies to such purified eosinophils induced the release of eosinophil peroxidase, but not of eosinophil cationic protein. These findings associated with results obtained by using electron microscopy and immunogold staining of the various antibodies directed against the granule proteins allowed us to suggest a selectivity in the mediators released by eosinophils. In addition, preliminary results concerning the existence and the functional role of a receptor for IgA on eosinophils are reported, leading to the concept of a particular interaction of eosinophils with immunoglobulins present in the tissues and their participation in local immune responses.

Original languageEnglish (US)
Pages (from-to)54-58
Number of pages5
JournalInternational archives of allergy and immunology
Issue number1-2
StatePublished - 1989
Externally publishedYes

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology


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