Abstract
To investigate the role of TLR3/PI3K signals in the occurrence and development of cervical cancer disease, TLR3-siRNA was used to block key signaling pathways involved in cervical cancer metastasis that are pivotal to metastatic tumor cells but not to normal cells under ordinary physiologic conditions. Results show that tumor U14 cell growth, migration and invasion in TLR3-siRNA treatment group were significantly decreased. Through LY294002 suppressing targeted gene, the LY294002 treatment specifically and significantly knocked down the expressions of tumor TLR3 and PI3K proteins in cervical cancer mice. Furthermore, expressions of tumor Survivin and FasL proteins were markedly suppressed, whereas expressions of Fas protein were upregulated in LY294002 treatment group mice. LY294002 treatment suppressed tumor growth and increased the thymus and spleen indeces and survival days of cervical cancer mice. This study demonstrates that TLR3-siRNA and LY294002 treatments can markedly suppress cervical cancer cell invasion and tumor growth and increase survival life by silencing targeted genes.
Published Version
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