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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/134584
Título

RHOB influences lung adenocarcinoma metastasis and resistance in a host-sensitive manner

AutorAntón, Iker; Vicent, Silvestre; Rivas, Javier de las; Lecanda, Fernando
Palabras claveGTPase
Non-cell autonomous
Radiotheraphy
Chemotherapy
MMP
Tumor-stroma
Drug target
Microenvironment
Fecha de publicación2014
EditorElsevier
CitaciónMolecular Oncology 8(2): 196-206 (2014)
ResumenLung adenocarcinoma (ADC) is the most common lung cancer subtype and presents a high mortality rate. Clinical recurrence is often associated with the emergence of metastasis and treatment resistance. The purpose of this study was to identify genes with high prometastatic activity which could potentially account for treatment resistance.Global transcriptomic profiling was performed by robust microarray analysis in highly metastatic subpopulations. Extensive in vitro and in vivo functional studies were achieved by overexpression and by silencing gene expression.We identified the small GTPase RHOB as a gene that promotes early and late stages of metastasis in ADC. Gene silencing of RHOB prevented metastatic activity in a systemic murine model of bone metastasis. These effects were highly dependent on tumor-host interactions. Clinical analysis revealed a marked association between high RHOB levels and poor survival. Consistently, high RHOB levels promote metastasis progression, taxane-chemoresistance, and contribute to the survival advantage to γ-irradiation. We postulate that RHOB belongs to a novel class of >genes of recurrence> that have a dual role in metastasis and treatment resistance.
URIhttp://hdl.handle.net/10261/134584
DOI10.1016/j.molonc.2013.11.001
Identificadoresdoi: 10.1016/j.molonc.2013.11.001
issn: 1574-7891
e-issn: 1878-0261
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