Journal: The Journal of Biological Chemistry
Article Title: Wilms Tumor Suppressor, WT1, Cooperates with MicroRNA-26a and MicroRNA-101 to Suppress Translation of the Polycomb Protein, EZH2, in Mesenchymal Stem Cells *
doi: 10.1074/jbc.M115.678029
Figure Lengend Snippet: Interactions of WT1, miRNAs, and RISC components. A, representative Western blots (WB) probed with DICER, AGO2, or WT1 antibodies (left) of immunoprecipitates from amMSC versus amMSC/WT1(+KTS) using antibodies against DICER, AGO2, WT1, or control IgG (top). B, levels of EZH2 mRNA, miR-26a, and miR-101 were quantified by RIP-qPCR in amMSC expressing WT1(+KTS) (right bars) versus amMSC with empty vector (middle bars) or uninfected parental amMSC (left bars). Bar graphs show levels of miR26a (left upper), miR101 (right upper), and EZH2 (left lower) as percent of total RNA input. Two-way analysis of variance with Tukey's multiple comparison tests were used to compare WT1(+KTS) amMSC with empty vector control amMSC; p < 0.0001 (****), not significant (ns). C, representative Western blot probed with DICER1, AGO2, or WT1 antibodies (left) of RNase A-treated immunoprecipitates (top) from amMSC/WT1(+KTS) cells.
Article Snippet: Human fibroblasts (MCH070 cells) were transfected with pCMVSport6, pCMVSport6/hEZH2FL (insert size about 1.1 kb) (ATCC, MGC Human Clones, image ID: 3901250), WT1 cloned into a pcDNA3.1/Zeo(+) vector (kindly provided by Dr. P. Grundy, Calgary, AB, Canada), miScript miRNA mimics: Syn-hsa-miR-26a-5p, Syn-hsa-miR-101–3p, Syn-hsa-miR-93, and AllStars Negative Control siRNA, miScript miRNA inhibitor: anti-hsa-miR-26a-5p, anti-hsa-miR-101–3p, anti-hsa-miR-93, and miScript Inhibitor Negative Control (Qiagen) using Lipofectamine® 2000 transfection reagent according to the manufacturer's instructions (Invitrogen).
Techniques: Western Blot, Control, Expressing, Plasmid Preparation, Comparison