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| European journal of cancer (Oxford, England : 1990). 2016 Jun 8. pii: S0959-8049(16)32116-5. doi: 10.1016/j.ejca.2016.04.018 |
| Circulating activin A is a novel prognostic biomarker in malignant pleural mesothelioma - A multi-institutional study. |
| Hoda MA1, Dong Y2, Rozsas A3, Klikovits T4, Laszlo V5, Ghanim B6, Stockhammer P7, Ozsvar J8, Jakopovic M9, Samarzija M10, Brcic L11, Bendek M12, Szirtes I13, Reid G14, Kirschner MB15, Kao SC16, Opitz I17, Weder W18, Frauenfelder T19, Nguyen-Kim TD20, Aigner C21, Klepetko W22, van Zandwijk N23, Berger W24, Dome B25, Grusch M26, Hegedus B27 |
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Abstract INTRODUCTION: The deregulation of activin expression is often observed in various malignancies. Previous studies indicate that activin A plays a protumourigenic role in malignant pleural mesothelioma (MPM). The aim of the study was to evaluate circulating activin A level as a biomarker in MPM. METHODS: Plasma samples were collected from 129 MPM patients in four institutions at the time of diagnosis or before surgical resection. Samples from 45 healthy individuals and from 16 patients with non-malignant pleural diseases served as controls. Circulating activin A was measured by enzyme-linked immunosorbent assay and correlated to clinicopathological variables. RESULTS: Plasma activin A level was significantly elevated in MPM patients (862 ± 83 pg/ml) when compared to healthy controls (391 ± 21 pg/ml; P < 0.0001). Patients with pleuritis or fibrosis only showed a modest increase (versus controls; 625 ± 95 pg/ml; P = 0.0067). Sarcomatoid (n = 10, 1629 ± 202 pg/ml, P = 0.0019) and biphasic (n = 23, 1164 ± 233 pg/ml, P = 0.0188) morphology were associated with high activin A levels when compared to epithelioid histology (n = 94, 712 ± 75 pg/ml). The tumour volume showed a positive correlation with increased circulating activin A levels. MPM patients with below median activin A levels had a significantly longer overall survival when compared to those with high activin A levels (median survival 735 versus 365 d, P < 0.0001). Importantly, circulating activin A levels were exclusively prognostic in epithelioid MPM. CONCLUSIONS: Our findings suggest that the measurement of circulating activin A may support the histological classification of MPM and at the same time help to identify epithelioid MPM patients with poor prognosis. |
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Copyright © 2016 Elsevier Ltd. All rights reserved. |
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KEYWORDS: Activin A, Biomarker, Malignant pleural mesothelioma, Prognosis |
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Publikations ID: 27288871 Quelle: öffnen |
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