Localization of IgE in tissues by an immunoperoxidase technique

M. Ali, R. Mesa-Tejada, A. O. Fayemi, D. J. Nalebuff, J. T. Connell

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11 Scopus citations


An indirect immunoperoxidase technique was used to study the content and distribution of IgE in formaldehyde solution-fixed, paraffin-embedded adenoid and nasal tissues of atopic and nonatopic persons. Adenoid tissue from 15 patients, and nasal tissue from 5 patients with symptoms of inhalant allergies and augmented serum levels of total and allergen-specific IgE were examined with this method. Adenoid tissues from 5 patients without allergic symptoms were studied for comparison. A rich content of IgE, largely within the cytoplasm of the plasma cells, was observed in tissues of atopic subjects. The sections from nonallergic persons contained few weakly staining IgE-positive cells. These observations provide anatomic support for the role of IgE in hypersensitivity reaction of immediate type. This immunoperoxidase technique, circumventing the principal shortcomings of the immunofluorescence procedures, affords a highly sensitive and practical approach to cellular and tissue localization of IgE.

Original languageEnglish
Pages (from-to)274-275
Number of pages2
JournalArchives of Pathology and Laboratory Medicine
Issue number6
StatePublished - 1979
Externally publishedYes


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