Functional characterization of human thyroid tissue with immunohistochemistry

Antongiulio Faggiano, Bernard Caillou, Ludovic Lacroix, Monique Talbot, Sebastiano Filetti, Jean Michel Bidart, Martin Schlumberger

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    Abstract

    Immunohistochemistry provides insights in the expression of functional proteins and of their localization in normal thyroid tissue and in thyroid diseases. In hyperfunctional thyroid tissues, staining for sodium/iodide symporter (NIS), pendrin, thyroid peroxidase (TPO), and thyroglobulin (Tg) is increased. In hypofunctioning thyroid tissues, NIS staining is markedly decreased; in benign hypofunctioning adenomas, the expression of the other functional proteins is unmodified or slightly decreased, whereas their expression is profoundly decreased or absent in differentiated thyroid carcinoma.

    Original languageEnglish
    Pages (from-to)203-211
    Number of pages9
    JournalThyroid
    Volume17
    Issue number3
    DOIs
    Publication statusPublished - 1 Mar 2007

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