HER2 Analysis in Sporadic Thyroid Cancer of Follicular Cell Origin
AbstractThe Epidermal Growth Factor Receoptor (EGFR) family member human epidermal growth factor receptor 2 (HER2) is overexpressed in many human epithelial malignancies, representing a molecular target for specific anti-neoplastic drugs. Few data are available on HER2 status in differentiated thyroid cancer (DTC). The present study was aimed to investigate HER2 status in sporadic cancers of follicular cell origin to better clarify the role of this receptor in the stratification of thyroid cancer. By immunohistochemistry and fluorescence in-situ hybridization, HER2 expression was investigated in formalin-fixed paraffin-embedded surgical specimens from 90 DTC patients, 45 follicular (FTC) and 45 papillary (PTC) histotypes. No HER2 immunostaining was recorded in background thyroid tissue. By contrast, overall HER2 overexpression was found in 20/45 (44%) FTC and 8/45 (18%) PTC, with a significant difference between the two histotypes (p = 0.046). Five of the six patients who developed metastatic disease during a median nine-year follow-up had a HER2-positive tumor. Therefore, we suggest that HER2 expression may represent an additional aid to identify a subset of patients who are characterized by a worse prognosis and are potentially eligible for targeted therapy. View Full-Text
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Ruggeri, R.M.; Campennì, A.; Giuffrè, G.; Giovanella, L.; Siracusa, M.; Simone, A.; Branca, G.; Scarfì, R.; Trimarchi, F.; Ieni, A.; Tuccari, G. HER2 Analysis in Sporadic Thyroid Cancer of Follicular Cell Origin. Int. J. Mol. Sci. 2016, 17, 2040.
Ruggeri RM, Campennì A, Giuffrè G, Giovanella L, Siracusa M, Simone A, Branca G, Scarfì R, Trimarchi F, Ieni A, Tuccari G. HER2 Analysis in Sporadic Thyroid Cancer of Follicular Cell Origin. International Journal of Molecular Sciences. 2016; 17(12):2040.Chicago/Turabian Style
Ruggeri, Rosaria M.; Campennì, Alfredo; Giuffrè, Giuseppe; Giovanella, Luca; Siracusa, Massimiliano; Simone, Angela; Branca, Giovanni; Scarfì, Rosa; Trimarchi, Francesco; Ieni, Antonio; Tuccari, Giovanni. 2016. "HER2 Analysis in Sporadic Thyroid Cancer of Follicular Cell Origin." Int. J. Mol. Sci. 17, no. 12: 2040.
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