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Experimental & Molecular Medicine ; : e273-2016.
Artículo en Inglés | WPRIM | ID: wpr-210168

RESUMEN

TFAP2C (transcription factor-activating enhancer-binding protein 2C) expression has been positively correlated with poor prognosis in patients with certain types of cancer, but the mechanisms underlying TFAP2C-mediated tumorigenesis in non-small-cell lung cancer (NSCLC) are still unknown. We previously performed a microarray analysis to identify TFAP2C regulation genes, and TGFBR1 (transforming growth factor-β receptor type 1) was found to be upregulated by TFAP2C. We observed that TFAP2C or TGFBR1 overexpression led to oncogenic properties, such as cell viability, proliferation and cell cycle progression. TGFBR1 upregulation induced by TFAP2C also promoted cell motility and migration, leading to malignant development. We also found that PAK1 (p21 protein (Cdc42/Rac)-activated kinase 1) signaling was involved in TFAP2C/TGFBR1-induced tumorigenesis. These results were confirmed by an in vivo xenograft model and patient tissue samples. This study shows that TFAP2C promoted tumor progression by upregulation of TGFBR1 and consequent activation of PAK1 signaling.


Asunto(s)
Humanos , Carcinogénesis , Ciclo Celular , Movimiento Celular , Supervivencia Celular , Xenoinjertos , Neoplasias Pulmonares , Pulmón , Análisis por Micromatrices , Fosfotransferasas , Pronóstico , Regulación hacia Arriba
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