Journal: Hepatology (Baltimore, Md.)
Article Title: Association of gankyrin protein expression with early clinical stages and insulin-like growth factor-binding protein 5 expression in human hepatocellular carcinoma.
doi: 10.1002/hep.22027
Figure Lengend Snippet: Fig. 4. Induction of IGFBP-5 by gankyrin. (A) U-2 OS cells (lanes 1 and 2) and Huh-7 cells (lanes 3 and 4) transiently transfected with plasmids expressing gankyrin or vector alone were analyzed for expres- sion of IGFBP-5 by western blotting using the indicated antibodies. Representative results from more than 3 experiments are shown. (B) Huh-7 cells, mock transfected or transfected with siRNA for gankyrin or control RNA as indicated, were analyzed as in (A). (C) Suppression of IGFBP-5 expression by siRNA. Huh-7 cells were transfected with control RNA or IGFBP-5–specific siRNA. IGFBP-5 transcript levels were deter- mined by real-time RT-PCR and normalized with -actin levels. Results from 3 repeats were averaged and expressed relative to control. Error bars refer to standard deviation of the average quantitated results. (D) Effect of IGFBP-5 down-regulation on cell growth. U-2 OS and Huh-7 cells were transfected with IGFBP-5 siRNA or control RNA, and 72 hours later viable cell numbers were determined. Values are mean standard deviation (n 3) and expressed relative to controls. ** and *, P 0.01 and P 0.05, respectively.
Article Snippet: For immunohistochemistry, mouse monoclonal antigankyrin (3A6C2), anti-MDM2 (Ab-4, Oncogene research products, Boston, MA), and anti-p53 (DO-7, DAKO) antibodies, rabbit polyclonal anti-IGFBP-5 antibody (GroPep, Thebarton, Australia), and horseradish peroxidase–conjugated secondary antibodies against mouse or rabbit immunoglobulins (DAKO) were used.
Techniques: Transfection, Expressing, Plasmid Preparation, Western Blot, Control, Quantitative RT-PCR, Standard Deviation