Abstract
Resta L, Marsigliante S, Leo G, Fiorella R, Di Nicola V, Maiorano E Molecular biopathology of metaplastic, dysplastic and neoplastic laryngeal epitheliumIn a large series of more than 100 cases of laryngeal carcinomas, the presence of steroid hormone receptors was demonstrated in the cytosol and in the nuclear fraction. Their presence was confirmed by the identification of estrogen receptor isophorms and by the detection of hormone-related proteins such as ER-DS, EGFr, and cathepsin D. These molecules were also variably expressed in normal, hyperplastic, and dysplastic epithelium. These data suggest a possible role of hormone receptors during laryngeal carcinogenesis. Finally, the presence of an Angiotensin II receptor was studied in neoplastic and preneoplastic laryngeal epithelium.
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