Bcl-2

Cardiomyocytes transduced with or without Ad-Mst1 were treated with ABT-737 (0, 0.1, 1, 10 uM) for 12 hours. Representative immunoblots with antibodies to p62/SQSTM1, LC3 and GAPDH are shown.

(a) H23 cells exposed for 0–24 h to TW-37 (10 uM) with and without ZVAD.fmk (50 uM) were monitored for apoptotic morphology using electron microscopy (scale bar, 5 mm). % PS positive cells indicate the percentage of apoptotic cells, characterised by PS externalisation.

THP-1 cells were treated with cytarabine alone and in combination with ABT-199 for 8 h. Whole cell lysates were extracted and subjected to Western blotting, and probed with anti-γH2AX or -β-actin antibody. Densitometry for γH2AX expression was measured, normalized to β-actin, and graphed as fold change compared to the no drug control. The data are presented as mean ± standard error from at least 3 independent Western blots. * indicates p < 0.05.

(B and C) assessment of antimigration capacity in each group by transwell migration assay. Abbreviations: CDDP, cisplatin; DMSO, dimethyl sulfoxide.

ABT-737, Obatoclax, and HA14-1 eradicated the H1975 early tumor prosurvival resistance against dual-TKIs inhibition by erlotinib/SU11274 (ERL/SU). The experiment was carried out with H1975 cells , cells were pretreated with dual EGFR-MET inhibitors here, i.e., erlotinib (1 μmol/L)/SU11274 (1 μmol/L). BH3-mimetic used in treatment days 7-9 were all 2 μmol/L in concentration. Top, crystal violet cell survival staining assay. Bottom, BH3-mimetic treatment of the dual ERL/SU-resistant tumor cells induced a proapoptotic response.

Myogenic differentiation assay to determine the GR specificity of DEX by using RU-486 (10 uM). Immunofluorescence detection of MyHC (red) and DAPI counterstaining of nuclei (blue) was used to detect myotubes. The scale bar is 50 um.

(e) Abs (490 nm) was measured by MTS assay in siControl or siPTBP1 treated PC3 cells with DMSO, 1000 nM ABT737, or 100 nM Sabutoclax for 48 h, showing no significant change in cell viability following siPTBP1 treatment in DMSO control, ABT737, or Sabutoclax treated cells. (f) PC3 cells transfected with siControl or a mixture of two siPTBP1 were treated with 1000 nM ABT737 or 100 nM Sabutoclax combined with various doses of docetaxel for 48 h and cell viability was assessed by MTS assay. The viability of cells with 1000 nM ABT737 or 100 nM Sabutoclax alone was set as 100%. All data are presented as mean±S.E.M., n=3. The statistical significance was determined by unpaired student t-test where *P<0.05; **P<0.01; ***P<0.001.

U251 glioblastoma (F) or MeWo melanoma (G) cells were treated with selective BH-3 mimetics, GTPP or the combination of both for 24 h (U251) or 48 h (MeWo). Thereafter, cells were stained with annexin V and propidium iodide and analyzed by flow cytometry. Shown are representative flow plots.

Tumor growth rate (TGR) of tumors orthotopically implanted in rats on day 3, 7 and 10 compared to day 0. Rats were treated with doxorubicin, A-1155463 or a combination. Treatment with A-1155463 resulted in a significant decrease in TGR compared to control mice.

Cells were treated with 0.5 μM A-1331852 and 1.5 nM VCR (RD), 0.5 nM VCR (RH30) for 72 h. Apoptosis was determined by analysis of DNA fragmentation of PI-stained nuclei using flow cytometry. Mean and SD of three independent experiments performed in triplicate are shown; **P < 0.01.

U87 and A172 cells were treated with UMI-77 (8 μM) for 24h and further treated with TRAIL (30  ng/ml) for indicated period of time. Levels of apoptosis-associated proteins were analyzed by Western blot. GAPDH was used as a loading control.

In vivo antitumor efficacies of AZD2281 and GX15-070 alone or in combination in a BxPC-3 xenograft model. Tumor specimens were fixed in 10% formalin, embedded in paraffin, and cut into 4 lm-thick slides for H&E, PCNA, and CD34 staining.

Cardiomyocytes transduced with or without Ad-Mst1 were treated with ABT-737 (0, 0.1, 1, 10 uM) for 12 hours. Representative immunoblots with antibodies to p62/SQSTM1, LC3 and GAPDH are shown.

(a) H23 cells exposed for 0–24 h to TW-37 (10 uM) with and without ZVAD.fmk (50 uM) were monitored for apoptotic morphology using electron microscopy (scale bar, 5 mm). % PS positive cells indicate the percentage of apoptotic cells, characterised by PS externalisation.

THP-1 cells were treated with cytarabine alone and in combination with ABT-199 for 8 h. Whole cell lysates were extracted and subjected to Western blotting, and probed with anti-γH2AX or -β-actin antibody. Densitometry for γH2AX expression was measured, normalized to β-actin, and graphed as fold change compared to the no drug control. The data are presented as mean ± standard error from at least 3 independent Western blots. * indicates p < 0.05.

(B and C) assessment of antimigration capacity in each group by transwell migration assay. Abbreviations: CDDP, cisplatin; DMSO, dimethyl sulfoxide.

ABT-737, Obatoclax, and HA14-1 eradicated the H1975 early tumor prosurvival resistance against dual-TKIs inhibition by erlotinib/SU11274 (ERL/SU). The experiment was carried out with H1975 cells , cells were pretreated with dual EGFR-MET inhibitors here, i.e., erlotinib (1 μmol/L)/SU11274 (1 μmol/L). BH3-mimetic used in treatment days 7-9 were all 2 μmol/L in concentration. Top, crystal violet cell survival staining assay. Bottom, BH3-mimetic treatment of the dual ERL/SU-resistant tumor cells induced a proapoptotic response.

Myogenic differentiation assay to determine the GR specificity of DEX by using RU-486 (10 uM). Immunofluorescence detection of MyHC (red) and DAPI counterstaining of nuclei (blue) was used to detect myotubes. The scale bar is 50 um.

(e) Abs (490 nm) was measured by MTS assay in siControl or siPTBP1 treated PC3 cells with DMSO, 1000 nM ABT737, or 100 nM Sabutoclax for 48 h, showing no significant change in cell viability following siPTBP1 treatment in DMSO control, ABT737, or Sabutoclax treated cells. (f) PC3 cells transfected with siControl or a mixture of two siPTBP1 were treated with 1000 nM ABT737 or 100 nM Sabutoclax combined with various doses of docetaxel for 48 h and cell viability was assessed by MTS assay. The viability of cells with 1000 nM ABT737 or 100 nM Sabutoclax alone was set as 100%. All data are presented as mean±S.E.M., n=3. The statistical significance was determined by unpaired student t-test where *P<0.05; **P<0.01; ***P<0.001.

U251 glioblastoma (F) or MeWo melanoma (G) cells were treated with selective BH-3 mimetics, GTPP or the combination of both for 24 h (U251) or 48 h (MeWo). Thereafter, cells were stained with annexin V and propidium iodide and analyzed by flow cytometry. Shown are representative flow plots.

Tumor growth rate (TGR) of tumors orthotopically implanted in rats on day 3, 7 and 10 compared to day 0. Rats were treated with doxorubicin, A-1155463 or a combination. Treatment with A-1155463 resulted in a significant decrease in TGR compared to control mice.

Cells were treated with 0.5 μM A-1331852 and 1.5 nM VCR (RD), 0.5 nM VCR (RH30) for 72 h. Apoptosis was determined by analysis of DNA fragmentation of PI-stained nuclei using flow cytometry. Mean and SD of three independent experiments performed in triplicate are shown; **P < 0.01.

U87 and A172 cells were treated with UMI-77 (8 μM) for 24h and further treated with TRAIL (30  ng/ml) for indicated period of time. Levels of apoptosis-associated proteins were analyzed by Western blot. GAPDH was used as a loading control.

In vivo antitumor efficacies of AZD2281 and GX15-070 alone or in combination in a BxPC-3 xenograft model. Tumor specimens were fixed in 10% formalin, embedded in paraffin, and cut into 4 lm-thick slides for H&E, PCNA, and CD34 staining.