Journal: Molecular Cancer
Article Title: 3-BrPA eliminates human bladder cancer cells with highly oncogenic signatures via engagement of specific death programs and perturbation of multiple signaling and metabolic determinants
doi: 10.1186/s12943-015-0399-9
Figure Lengend Snippet: Critical regulators of glucose homeostasis are detrimentally targeted after bladder cancer cell exposure to 3-BrPA: drug-induced splicing silencing of GLUT4 RNA. ( a - b ) Representative (three independent experiments) Western blotting profiles of whole-cell protein extracts obtained from RT4, T24 and T24-X cells, seeded at ~60 % confluency and exposed to the indicated doses of 3-BrPA for 24 h. The proteins examined were HK2, GAPDH, p-AS160-Thr 642 , AS160, Rab10, Tug ( a ), GLUT1 and GLUT4 ( b ), while Actin was used as molecule of reference. ( c - f ) Gene expression profiles, as evidenced through employment of RT-sqPCR protocols (three independent experiments), using total RNA preparations derived from RT4, T24 and T24-X cells, grown at ~60 % confluency and treated with the indicated doses of 3-BrPA ( c - f ), Taxol and Doxorubicin ( f ) for 24 h (also, see Additional file : Figure S5, Additional file : Figure S6 and Additional file : Figure S7). Besides the oligonucleotide primers able to specifically recognize the GLUT1 , GLUT2 , GLUT3 ( c ) and FasL ( f ) genes, GLUT4 -specific primers were used to amplify several exon-exon (e.g. Ex7 - Ex8 ), exon-intron (e.g. Ex4 - In4/5 ) and intra-intronic (e.g. In2/3 ) segments of the two major RNA splicing variants examined ( http://www.ensembl.org/Homo_sapiens ) ( d - f ) (also, see Additional file : Figure S5 and Additional file : Table S1). GAPDH served as gene of reference. Ex : (single) exon. In : intron (in-between successive exons). Sv001 / Sv004 : GLUT4 RNA splicing variants
Article Snippet: Mouse monoclonal antibody against GLUT4 was obtained from Santa Cruz Biotechnology Inc. (Texas, USA).
Techniques: Western Blot, Gene Expression, Derivative Assay