Expression and Critical Role of Interleukin Enhancer Binding Factor 2 in Hepatocellular Carcinoma
AbstractInterleukin enhancer binding factor 2 (ILF2), a transcription factor, regulates cell growth by inhibiting the stabilization of mRNA. Currently, its role has gained recognition as a factor in the tumorigenic process. However, until now, little has been known about the detailed role ILF2 plays in hepatocellular carcinoma (HCC). In this study, we investigated the expression levels of ILF2 in HCC tissue with Western blot and immunohistochemical assays. To examine the effect of ILF2 on liver cancer cell growth and apoptosis, small interfering RNAs (siRNAs) targeting ILF2 were recombined to create lentiviral overexpression vectors. Our results showed higher expression levels of ILF2 mRNA and ILF2 protein in HCC tissue compared with matched peritumoral tissue. Expression of ILF2 may regulate cell growth and apoptosis in liver cancer cells via regulation of B-cell lymphoma 2 (Bcl-2), Bcl-2 related ovarian killer (Bok), Bcl-2-associated X protein (BAX), and cellular inhibitor of apoptosis 1 (cIAP1). Moreover, we inoculated nude mice with liver cancer cells to investigate the effect of ILF2 on tumorigenesis in vivo. As expected, a rapid growth was observed in cancer cells inoculated with a lentiviral vector coding Flag-ILF2 (Lenti-ILF2) compared with the control cells. Hence, these results promote a better understanding of ILF2’s potential role as a therapeutic target in HCC. View Full-Text
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Cheng, S.; Jiang, X.; Ding, C.; Du, C.; Owusu-Ansah, K.G.; Weng, X.; Hu, W.; Peng, C.; Lv, Z.; Tong, R.; Xiao, H.; Xie, H.; Zhou, L.; Wu, J.; Zheng, S. Expression and Critical Role of Interleukin Enhancer Binding Factor 2 in Hepatocellular Carcinoma. Int. J. Mol. Sci. 2016, 17, 1373.
Cheng S, Jiang X, Ding C, Du C, Owusu-Ansah KG, Weng X, Hu W, Peng C, Lv Z, Tong R, Xiao H, Xie H, Zhou L, Wu J, Zheng S. Expression and Critical Role of Interleukin Enhancer Binding Factor 2 in Hepatocellular Carcinoma. International Journal of Molecular Sciences. 2016; 17(8):1373.Chicago/Turabian Style
Cheng, Shaobing; Jiang, Xu; Ding, Chaofeng; Du, Chengli; Owusu-Ansah, Kwabena G.; Weng, Xiaoyu; Hu, Wendi; Peng, Chuanhui; Lv, Zhen; Tong, Rongliang; Xiao, Heng; Xie, Haiyang; Zhou, Lin; Wu, Jian; Zheng, Shusen. 2016. "Expression and Critical Role of Interleukin Enhancer Binding Factor 2 in Hepatocellular Carcinoma." Int. J. Mol. Sci. 17, no. 8: 1373.
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