Molecular cancer · 2014
Exemestane blocks mesothelioma growth through downregulation of cAMP, pCREB and CD44 implicating new treatment option in patients affected by this disease.
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Nuvoli Barbara, Germoni Sabrina, Morosetti Carlotta, Santoro Raffaela, Cortese Giancarlo, Masi Serena, Cordone Iole, Galati Rossella
Аннотация
BACKGROUND: Recent evidence suggests that aromatase may be involved in the pathogenesis of malignant mesothelioma. Here, we evaluated the effect of exemestane, an inhibitor of aromatase, in the treatment of mesothelioma using in vitro and in vivo preclinical models.
RESULTS: We show a significant reduction of cell proliferation, survival, migration and block of cells in S phase of cell cycle in mesothelioma cells upon exemestane treatment. Moreover, we find that CD44, which is involved in mesothelioma cells migration, was modulated by exemestane via cAMP and pCREB. Most importantly, in mice mesothelioma xenograft exemestane causes a significant decrease in tumor size and the association pemetrexed/exemestane is more effective than pemetrexed/cisplatin.
CONCLUSION: The preclinical mesothelioma model suggests that exemestane might be beneficial in mesothelioma treatment.
RESULTS: We show a significant reduction of cell proliferation, survival, migration and block of cells in S phase of cell cycle in mesothelioma cells upon exemestane treatment. Moreover, we find that CD44, which is involved in mesothelioma cells migration, was modulated by exemestane via cAMP and pCREB. Most importantly, in mice mesothelioma xenograft exemestane causes a significant decrease in tumor size and the association pemetrexed/exemestane is more effective than pemetrexed/cisplatin.
CONCLUSION: The preclinical mesothelioma model suggests that exemestane might be beneficial in mesothelioma treatment.