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Overexpression of RBM10 induces osteosarcoma cell apoptosis and inhibits cell proliferation and migration.

Li-Ping Han,Cunrong Wang,Si-Lin Han

Published 2018 in Medecine sciences : M/S

ABSTRACT

Osteosarcoma is the most common malignant bone tumor with high incidence in adolescence and poor prognosis. RBM10, a member of RBPs, was reported to be a tumor suppressor in many kinds of cancers. However, the roles of RBM10 in osteosarcoma remain unknown. In this study, we found that overexpression of RBM10 decreased osteosarcoma cell proliferation and colony formation in soft agar, and inhibited osteosarcoma cell migration and invasion. Our results also revealed that RBM10 overexpression induced osteosarcoma cell apoptosis via the inhibition of Bcl-2, the activation of caspase-3, and the transcription and production of TNF-α. Our results indicated that RBM10 acts as a tumor suppressor in osteosarcoma. This could enable to define a new strategy for diagnosis and treatment of patients with osteosarcoma.

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