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Journal of Southern Medical University ; (12): 735-743, 2016.
Artigo em Chinês | WPRIM | ID: wpr-263969

RESUMO

<p><b>OBJECTIVE</b>To investigate the effects of silencing ADP-ribosylation factor 6 (Arf6) on the proliferation, migration, and invasion of prostate cancer cell line PC-3 and the possible molecular mechanisms.</p><p><b>METHODS</b>Three Arf6-specific small interfering RNA (siRNA) were transfected into cultured prostate cancer cell line PC-3. Arf6 expression was examined by real-time PCR and Western blotting. MTT assay, wound healing assay, and Transwell migration and invasion assay were used to observe the effect of Arf6 silencing on the proliferation, migration, and invasion ability of PC-3 cells. The levels of phosphorylated extracellular signal-regulated kinase 1/2 (p-ERK1/2), ERK1/2, p-AKT, AKT and Rac1 were detected by Western blotting.</p><p><b>RESULTS</b>Transfection of siRNA-3 resulted in significantly decreased Arf6 mRNA and protein expression with inhibition rates of (91.88±3.13)% and (86.37±0.57)%, respectively. Arf6 silencing by siRNA-3 markedly suppressed the proliferation, migration and invasion of PC-3 cells and reduced the expression levels of p-ERK1/2 and Rac1.</p><p><b>CONCLUSION</b>Silencing of Arf6 efficiently inhibits the proliferation, migration, and invasion of PC-3 cells in vitro, and the underlying mechanisms may involve the down-regulation of p-ERK1/2 and Rac1.</p>


Assuntos
Humanos , Masculino , Fatores de Ribosilação do ADP , Genética , Metabolismo , Linhagem Celular Tumoral , Movimento Celular , Regulação para Baixo , Proteína Quinase 1 Ativada por Mitógeno , Metabolismo , Proteína Quinase 3 Ativada por Mitógeno , Metabolismo , Invasividade Neoplásica , Neoplasias da Próstata , Patologia , Interferência de RNA , RNA Mensageiro , Genética , Metabolismo , RNA Interferente Pequeno , Genética , Reação em Cadeia da Polimerase em Tempo Real , Transfecção , Cicatrização , Proteínas rac1 de Ligação ao GTP , Metabolismo
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