JOURNAL ARTICLE

[Suppression of vascular endothelial growth factor expression by vector-based small interfering RNA in human tongue squamous carcinoma cell line Tca8113]

Da-hai Yu, Ying Cao, Zhi-wen Yao, Jing Li, Hai-bo Chen, Jie Hao
Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology 2008, 26 (5): 550-2
19007083

OBJECTIVE: To assess suppression effects of vector-based small interfering RNA (siRNA) on vascular endothelial growth factor (VEGF) expression of human tongue squamous carcinoma cell line (Tca8113) in vitro.

METHODS: Two siRNA targeting VEGF constructed in eukaryotic expression vector (Pu-VEGF-siRNA1, Pu-VEGF-siRNA2), eukaryotic expression vector as the experiment control, all of which were transfected into Tca8113 cells with Lipofectamine 2000. Non-transfection cell was used as negative control. VEGF mRNA and protein were detected by reverse transcription polymerase chain reaction (RT-PCR), immunohistochemistry and enzyme linked immunosorbent assay (ELISA), respectively.

RESULTS: Compared to the experimental and negative controls, the expression of VEGF mRNA and protein were significantly decreased in the Pu-VEGF-siRNA1 group and Pu-VEGF-siRNA2 group. But there were no significant differences between two controls (P > 0.05).

CONCLUSION: Vector-based siRNAs targeting VEGF are efficient in down-regulating VEGF expression in Tca8113 cells.

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