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RITA inhibits growth of human hepatocellular carcinoma through induction of apoptosis.
Abstract RBP-J-interacting and tubulin-associated (RITA) is a novel RBP-J-interacting protein that downregulates Notch-mediated transcription. The current study focuses on the antitumor effect of RITA in human hepatocellular carcinoma (HCC) and aims to explore its molecular mechanism. Thirty paired HCC and adjacent non-tumoral liver samples were analyzed by real-time quantitative reverse transcriptase polymerase chain reaction (qRT-PCR). RITA overexpression was induced by transfection of a pcDNA3.1-Flag-RITA plasmid into HepG2 cells. RITA knockdown was achieved by siRNA transfection. mRNA and protein expression of...
Source: Oncology Research - December 8, 2013 Category: Cancer & Oncology Authors: Wang H, Chen G, Wang H, Liu C Tags: Oncol Res Source Type: research

Zinc Finger X-Chromosomal Protein (ZFX) Promotes Solid Agar Colony Growth of Osteosarcoma Cells.
Abstract Zinc finger X-chromosomal protein (ZFX) is a member of the zinc finger family of proteins. The importance of ZFX in several cancer types, including prostate cancer, laryngeal squamous cell carcinoma, and glioma, has been addressed. However, the role of ZFX in human osteosarcoma remains unknown. Here we investigated the phenotype of ZFX knockdown on cell proliferation and in vitro tumorigenesis using lentivirus-mediated loss-of-function strategy. The results demonstrated that the proliferation and colony formation ability of human osteosarcoma Saos-2 and MG63 cells was impaired by ZFX small interfering RNA...
Source: Oncology Research - October 23, 2013 Category: Cancer & Oncology Authors: Jiang R, Wang JC, Sun M, Zhang XY, Wu H Tags: Oncol Res Source Type: research

Ultrasound-mediated vascular endothelial growth factor C (VEGF-C) gene microbubble transfection inhibits growth of MCF-7 breast cancer cells.
Abstract We evaluated the effects of ultrasound-mediated microbubble transfection of VEGF-C siRNA on breast cancer cells in vitro and in vivo. MCF-7 cells were transfected with VEGF-C siRNA and the protein and mRNA expression of VEGF-C was tested using Western blot and qRT-PCR. Twenty nude mice tumors were established by injecting with MCF-7 cells, and were randomized into four groups when palpable tumors reached 190 mm3. The length and width of MCF-7 tumors in mice were measured every 3 days. After 20 days, all mice were killed and the expression of VEGF-C in tumor tissue was also detected by Western blot and qRT...
Source: Oncology Research - July 28, 2013 Category: Cancer & Oncology Authors: Xu Q, Sun T, Tian H, Wang C, Zhou H Tags: Oncol Res Source Type: research

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