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EnglishBACKGROUND: The immunohistochemical expression of aquaporin-1 (AQP1) in asbestos-related malignant pleural mesothelioma (MPM) is emerging as a useful prognostic indicator of improved survival. A significantly increased incidence of MPM in a small town in southern Italy was ascribed to exposure to fluoro-edenite (FE), a naturally occurring asbestos fiber. We investigated the immunohistochemical expression of AQP1 in patients affected by FE-related MPM; taking into consideration its suggested independent prognostic role, its possible correlation with clinicopathological parameters and patient outcome was also evaluated. METHODS: Ten patients were selected for this study, as neoplastic tissue blocks, clinical and follow-up data were available. The immunohistochemical overexpression of AQP1 was defined as ≥50% of tumor cells showing membranous staining. RESULTS: Six cases showed AQP1 expression in ≥50% of tumor cells; in this group, a significant association of AQP1 overexpression with an increased median overall survival (OS) of 26.3 months was observed. By contrast, four patients exhibited an AQP1 score of <50% of stained cells, with a shorter median OS of 8.9 months. CONCLUSIONS: The present study represents further confirmation of the hypothesized prognostic role of AQP1, which seems a reliable prognostic indicator.
| Titolo: | Immunohistochemical Expression of Aquaporin-1 in Fluoro-Edenite-Induced Malignant Mesothelioma: A Preliminary Report |
| Autori interni: | CALTABIANO, ROSARIO (Secondo) |
| Data di pubblicazione: | 2018 |
| Rivista: | |
| Handle: | http://hdl.handle.net/20.500.11769/322624 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| WJH-8-573.pdf | Versione Editoriale (PDF) | Open Access Visualizza/Apri |
http://hdl.handle.net/20.500.11769/322624
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