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Effects of Sam68 gene silencing on proliferation of nasopharyngeal carcinoma cell line 5-8F and its possible molecular mechanism / 南方医科大学学报
Journal of Southern Medical University ; (12): 258-261, 2013.
Artigo em Chinês | WPRIM | ID: wpr-322069
ABSTRACT
<p><b>OBJECTIVE</b>To observe the effect of Sam68 gene silencing on proliferation of nasopharyngeal carcinoma (NPC) cell line 5-8F and explore its possible molecular mechanism.</p><p><b>METHODS</b>The NPC cell line 5-8F was transfected with a small interfering RNA (siRNA) targeting Sam68 and the cell proliferation changes were observed. Quantitative RT-PCR and Western blotting were used to examine the changes in the expressions of Sam68, cell cycle-related proteins, and some up-stream proteins in the transfected cells.</p><p><b>RESULTS</b>Transfection of 5-8F cells with Sam68-specific siRNA significantly lowered the mRNA and proteins levels of Sam68, suppressed cell proliferation, decreased the expression of Cyclin D1, and increased the expression of p27. The transfected cells showed obviously decreased expressions of p-FOXO3a, p-Akt and p-GSK-3β, but the expressions of FOXO3a, Akt and GSK-3β were not obviously affected.</p><p><b>CONCLUSIONS</b>Sam68 modulates the proliferation of NPC cells probably by activating Akt/FOXO3a pathway and regulating the cell proliferation-related molecules.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / RNA Mensageiro / Carcinoma / Neoplasias Nasofaríngeas / Proteínas de Ligação a RNA / Inativação Gênica / Quinase 3 da Glicogênio Sintase / RNA Interferente Pequeno / Linhagem Celular Tumoral / Proteínas Adaptadoras de Transdução de Sinal Limite: Humanos Idioma: Chinês Revista: Journal of Southern Medical University Ano de publicação: 2013 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / RNA Mensageiro / Carcinoma / Neoplasias Nasofaríngeas / Proteínas de Ligação a RNA / Inativação Gênica / Quinase 3 da Glicogênio Sintase / RNA Interferente Pequeno / Linhagem Celular Tumoral / Proteínas Adaptadoras de Transdução de Sinal Limite: Humanos Idioma: Chinês Revista: Journal of Southern Medical University Ano de publicação: 2013 Tipo de documento: Artigo