EMBO/SourceData huggingface dataset:
figf1a, Detection of wild-type (+) and Ambra1 gene-trap transcripts (gt) from total E14.5 embryos analysed by northern blotting. Size marker, 28S ribosomal RNA.b, Immunoblot analysis of E14.5embryobrain extracts using antibodies against Ambra1 (left panel) and β-gal (right panel). Specific bands (arrowheads) and unspecific signals (asterisk) are indicated. Molecular weights are measured in kilodaltons (kDa). The fusion protein can be revealed only by means of the more sensitive anti-β-gal antibody.c-f, Expression of Ambra1 in the mouse embryonic nervous system. β-gal-staining on whole-mount Ambra1+/gt mouseembryos at E8.5 (c), E11.5 (d) and on a cross-section of E11.5spinal cord (e) is shown. Fb, forebrain; Hb, hindbrain; Mb, midbrain. f, Matching expression of the endogenous gene was revealed by whole-mount Ambra1 mRNA in situ hybridization analysis in E11.5 wild-type embryos.g-l, Electron scanning microscopy analysis of E11.5 (g) and E12.5 (h) Ambra1gt/gt embryos. Note the failure of the neural tube closure, the extensive midbrain/hindbrain exencephaly (Ex) with a closed telencephalon (T), and the lumbosacral spina bifida (Sb). i, j, E14.5 wild-type (i) and Ambra1gt/gt (j) embryos are characterized by prominent exencephaly. k, l, Histological analysis of E12.5 wild-type (k) and Ambra1gt/gt (l) embryos on cross-section. Note the absence of a normal ventricular system, the extensive overgrowth of the proliferative neuroepithelium in the diencephalon (Di) and spinal cord (Sc), and the enlarged fifth ganglia (VG) in the Ambra1gt/gt embryo.m-p, TUNEL (TdT-mediated dUTP nick end labelling) staining of E10.5brain (m, n) and E9.5spinal cord (o, p) in wild-type (m, o) and Ambra1gt/gt (n, p) embryo sections. q-t, Analysis of cell proliferation in wild-type (q, s) and Ambra1gt/gt (r, t) embryos on transverse sections of E8.5cephalic neural folds in prospective hindbrain region (mitoses, arrows in q, r) and on sagittal sections of E10.5forebrain (BrdU uptake, s, t).
figf2a, AMBRA1-BECN1 interaction by yeast two-hybrid assay. Yeast cells were co-transfected with the indicated plasmids and plated in medium with (+) or without (-) histidine (H) and adenine (A). AD, activation domain; DBD, DNA-binding domain; G4, Gal4; LAM, lamin.b, AMBRA1-BECN1 interaction in mammalian cells. 2FTGH cells were co-infected with retroviral vectors encoding BECN1 and the indicated Myc-tagged AMBRA1 proteins, or Myc-tagged β-gal as a negative control. CT, C terminal; FL, full length; NT, N terminal. Protein extracts were immunoprecipitated using an anti-Myc-tagged antibody (IP Myc). Purified complexes and corresponding total extracts were analysed by western blot using anti-Myc (WB Myc, upper panels) or anti-BECN1 (WB BECN1, lower panels) antibodies. When multiple bands are present, the upper band has the expected molecular mass. A scheme of the various AMBRA1 mutants is reported.c, AMBRA1 is in a complex that includes BECN1 and Vps34. Protein extracts from 2FTGH cells co-expressing BECN1 and the Myc-tagged AMBRA1 full-length protein (FL) or Myc-tagged β-gal were immunoprecipitated using an anti-Myc-tag antibody (IP Myc). Purified complexes and corresponding total extracts were analysed using anti-BECN1 (WB BECN1) and anti-Vps34 (WB Vps34) antibodies.b, Immunoblot analysis of E14.5embryobrain extracts using antibodies against Ambra1 (left panel) and β-gal (right panel). Specific bands (arrowheads) and unspecific signals (asterisk) are indicated. Molecular weights are measured in kilodaltons (kDa). The fusion protein can be revealed only by means of the more sensitive anti-β-gal antibody.e, BECN1 and AMBRA1 co-localize in mammalian cells. 2FTGH cells co-expressing BECN1 and Myc-tagged AMBRA1 were stained for Myc (green) and BECN1 (red). Scale bars, 8 µm.
figf3a, AMBRA1 downregulation in 2FTGH cells using specific short interfering RNA (siRNA) oligoribonucleotides (1 and 2). AMBRA1 mRNA and protein levels were analysed by quantitative polymerase chain reaction (PCR, left) and western blotting (right), respectively. An unrelated oligoribonucleotide was used as the control. Tubulin was used as the protein-loading control. RL, relative levels. The arrowhead indicates the AMBRA1-specific band.b, Rapamycin-induced autophagy requires AMBRA1. After AMBRA1 downregulation, 2FTGH cells were treated with rapamycin; after 48 h, the occurrence of autophagy was analysed by appearance of GFP-LC3 punctate staining or by LC3-I to LC3-II conversion (western blot in inset). Representative results are accompanied by a graph reporting data from three experiments. Scale bar, 20 µm.c, Nutrient-starvation-induced autophagy requires AMBRA1. After AMBRA1 downregulation, 2FTGH cells were starved for 4 h and analysed for appearance of GFP-LC3 punctate staining.d, AMBRA1 overexpression increases basal and rapamycin-induced autophagy. 2FTGH cells were transduced with full-length AMBRA1 (FL), AMBRA1 fragments (F1-3), BECN1 and β-gal (negative control) encoding retroviruses. They were then stimulated with rapamycin or left untreated, and analysed by appearance of GFP-LC3 punctate staining.e, BECN1-induced autophagy requires AMBRA1. After AMBRA1 downregulation, GFP-LC3-expressing 2FTGH cells were transduced with a BECN1-encoding retrovirus. Occurrence of autophagy was analysed 48 h later by appearance of GFP-LC3 punctate staining.f, AMBRA1 downregulation reduces the amount of Vps34 associated to BECN1 during autophagy. Forty-eight hours after AMBRA1 downregulation with oligo 2, 2FTGH cells were either starved or cultured in standard medium for an additional 4 h. Protein extracts were immunoprecipitated (IP) using an anti-BECN1 antibody. Purified complexes and corresponding total extracts were analysed by western blotting with anti-Vps34 (left panels) and anti-BECN1 (right panels) antibodies. The graph indicates the signal intensity of BECN1-associated Vps34 as determined by densitometry.
figf4a, Alteration of both LC3 conversion and translocation in Ambra1gt/gt embryos. Left panel: immunoblot analysis of LC3 in E14.5embryos. LC3-I to LC3-II conversion is reduced in mutant extracts (LC3-II/LC3-I ratio, as measured by densitometry, from left to right: 5%, 9.8%, 2.5%, 4.6%). B, body; H, head. Centre and right panels: sections from E10.5Ambra1+/+;GFP-LC3 and Ambra1gt/gt;GFP-LC3neuroepithelia were compared to evaluate GFP-LC3 subcellular distribution. Clusters of GFP-LC3 punctate structures (arrows) are indicated in wild-type sections. Images were optimized by deconvolution. Scale bar, 10 µm.c, Rapamycin-induced autophagy is impaired in Ambra1gt/gt murine embryonic fibroblasts (MEFs). Cells dissected from embryos with different genotypes (A-D) were treated with rapamycin, and the occurrence of autophagy was analysed 48 h later by the appearance of GFP-LC3 punctate staining. Representative results are shown in the upper panels, whereas the lower panel shows the data from three experiments. Scale bar, 20 µm.a, AMBRA1-BECN1 interaction by yeast two-hybrid assay. Yeast cells were co-transfected with the indicated plasmids and plated in medium with (+) or without (-) histidine (H) and adenine (A). AD, activation domain; DBD, DNA-binding domain; G4, Gal4; LAM, lamin.
Figure 1Example images showing the localization of SOX2-SNAP and OCT4-HALO by fluorescence microscopy of SBROS cells. Scale bar: 50µm.Correlation between OCT4-HALO and total OCT4 levels determined by immunofluorescence and HALO labelling. R is Pearson's correlation coefficient.Distributions of OCT4 (n=2682), SOX2 (n=1236) and NANOG (n=2416) levels in WT E14 and SBROS cell lines as determined by quantitative immunofluorescence. Dashed lines: mean protein levels; Dotted lines: median protein levels.Protein half-lives of OCT4-HALO and SOX2-SNAP in SBROS cells. Whiskers: minimum and maximum values; Box: lower and upper quartiles; Solid line: median. Black dots: outliers.Cell cycle duration of E14 WT (n=6) and SBROS (n=8) cells. Error bars: SE. p-value: two-sided t-test with unequal variance.
Figure 2Endogenous SOX2 levels in single cells (turquoise) normalized to the value at t=0 in SNSF cells upon induction of SOX2-SNAP (n=37, left) or a truncated SOX2 version missing the DNA binding domain (YPET-SOX2-delDBD, n=47, right). Black line: average SOX2-SNAP levels after induction normalized to the maximum level (n=22); Yellow line: average YPET-SOX2-delDBD levels after induction, normalized to the maximum level (n=20).Sox2 and Oct4 mRNA levels upon overexpression of YPet-SOX2 or YPET-SOX2-delDBD (n=3). p-values: two-sided t-test with unequal variance.Changes of OCT4 half-life upon SOX2-SNAP or YPET-SOX2-delDBD overexpression (n=20 cells each). p-values: Mann-Whitney U test. SBROS cells harbouring inducible SOX2-SNAP or YPET-SOX2-delDBD were treated with 0 or 500 ng/ml dox for 6-8 hours followed by pulse-labelling of OCT4-HALO and live-cell imaging.Sorting strategy to evaluate the impact of endogenous fluctuations of SOX2 and OCT4 on OCT4 and SOX2 protein levels, respectively.Changes of SOX2 and OCT4 levels after sorting for high and low SOX2 levels in cells expressing intermediate OCT4 levels (n=4). Error bars: SE; p-values: one-sided t-test with unequal variance.Changes of SOX2 and OCT4 levels after sorting for high and low OCT4 levels in cells expressing intermediate SOX2 levels (n=4). p-values: one-sided t-test with unequal variance.Representative traces of the absolute number of SOX2-NLUC molecules (top) and inferred concentration in nM (bottom) in in-silico synchronized cells (n=10). Single cells were ranked according to their SOX2 expression at t=0 and assigned a color code for their initial rank from low (blue) to high (red) levels, and changes in ranks over time are shown (n=59). Rank-based autocorrelation function of the SOX2 ranks (n=59). Error bars: SE estimated by bootstrapping.Representative single cell traces of the integrated intensity of OCT4-HALO in single cells (top) and the corresponding inferred concentration (bottom) in in-silico synchronized cells (n=10). Representation of the ranks as in G. Rank-based autocorrelation function as in I (n=47). Error bars: SE estimated by bootstrapping.
Figure 3Snapshot from luminescence movie of SNSF cells in differentiation. White arrowheads: cells starting to express SOX1-P2A-FLUC; Orange arrowheads: cells staying SOX1-negative throughout the experiment. Red: SOX2-NLUC, turquoise: Sox1-P2A-FLUC. Scale bar: 50µm.Single cell traces of SOX2 levels in differentiating cells. Turquoise traces: cells becoming SOX1-positive in the middle cell cycle, population average is shown in bold black; Red traces: cells remaining SOX1-negative throughout the experiment, population average is shown in bold; Green line: population average FLUC signal in cells that become SOX1-positive. * p<0.05 determined by two-sided t-test with unequal variance.Strategies to sort SBROS cell populations with different SOX2 and OCT4 levels. Differentiation outcome for cells sorted for different SOX2 levels (n=5 for low and high, n=4 for medium). p-values: two-sided t-test with unequal variance. Differentiation outcome for cells sorted for different OCT4 levels (n=4). p-values: two-sided t-test with unequal variance.Differentiation outcome of uninduced cells or cells induced 12 hours for OCT4-SNAP overexpression before sorting in G1 phase (n=6). p-values: two-sided t-test with unequal variance.Sorting strategy for SBROS cells in G1 or S phase and into the four following subpopulations: SOX2 high & OCT4 high (SHOH), SOX2 high & OCT4 low (SHOL), SOX2 low & OCT4 high (SLOH) or SOX2 low & OCT4 low (SLOL).Differentiation outcome for cells sorted in G1 phase (n=5). p-values: two-sided t-test with unequal variance (SOX1) and Mann-Whitney U test (BRA). Differentiation outcome for cells sorted in S phase (n=5). p-values: Mann-Whitney U test (SOX1) and two-sided t-test with unequal variance (BRA).Differentiation outcome for cells sorted in G1 phase differentiated in the presence of 3μM CHIR (n=7). p-values: two-sided t-test with unequal variance.Differentiation outcome for cells sorted in G1 phase differentiated in the presence of 1 μM SB431542 and 25 ng/ml bFGF (n=7). p-values: two-sided t-test with unequal variance.
Figure 4Example tracks of the ATAC-seq signal in SHOH, SHOL, SLOH and SLOL populations for loci where chromatin accessibility is unaffected, affected by OCT4 levels, SOX2 levels, or affected by both.Heatmap of relative chromatin accessibility in SHOH/SHOL/SLOH/SLOL samples for all loci with significantly altered accessibility, with examples of genes close to affected regulatory regions. Groups are defined by their significance (OHvsOL/SHvsSL/SHOHvsSLOL) and fold-change direction.Percentage of regions in each group showing an overlap with OCT4, SOX2 and H3K4me3 ChIP-seq peaks.
Figure 2A. MS-phospho-proteomics analysis of RCS with indicated genotypes (ctrl=wild type) treated with vehicle (5% ABS) and FGF18 (50 ng/mL) for 16 hours, showing biological processes regulated by FGF signaling (in blue: up-regulated, in green: down-regulated). N=4 biological replicates were analyzed. FDR <0.05.Representative western blot analysis of IRS1, p-P70S6K (T389), P70S6K, p-AKT (T308), AKT in RCS chondrocytes treated with vehicle (5% ABS) and FGF18 (50 ng/mL) for 12h. MG132 (10 μM for 6h) to inhibit proteasome (C) activity, respectively. β-actin was used as loading control. N=3 independent experiments. Bar graphs showed quantification of indicated proteins normalized to their totals. IRS1 was normalized to β-actin. Mean +/- standard error of the mean (sem). Student's paired T-test **p<0.005; *p<0.05; NS not significant.Representative western blot analysis of IRS1, p-P70S6K (T389), P70S6K, p-AKT (T308), AKT, p-cJUN (s73) and cJUN in RCS chondrocytes treated with vehicle (5% ABS) and FGF18 (50 ng/mL) for 12h. JNK inhibitor (50 μM for 12h) to inhibit JNK (D) activity, respectively. β-actin was used as loading control. N=3 independent experiments. Bar graphs showed quantification of indicated proteins normalized to their totals. IRS1 was normalized to β-actin. Mean +/- standard error of the mean (sem). Student's paired T-test **p<0.005; *p<0.05; NS not significant.E. Co-immunofluorescence of p-IRS1 S307 mouse (green) and p-S6 S240/S242 (red) ribosomal protein in IRS1-overexpressing RCS chondrocytes treated with FGF18 (50 ng/mL) for 12h. Nuclei (N) were stained with DAPI (blue). Scale bar 15 μm. Quantification analysis of p-S6 fluorescence intensity in IRS1-overexpressing vs non expressing RCS chondrocytes. Mean +/- standard error of the mean (sem) of N=3 biological replicates. n=35 cells analyzed. Student's paired T-test *p<0.05.
Figure 4A. TFE3 (green) subcellular localization in RCS with indicated genotypes (control=wild type) treated with FGF18 (50 ng/mL) for 16 hours. Torin1 (1 μM for 2 hours) was used as positive control. Nuclei were stained with DAPI (blue). Bar graph shows quantification (expressed as %) of cells with nuclear TFE3 and TFEB (representative images of TFEB immunofluorescence are shown in EV2E). Mean +/- standard error of the mean (sem) of N=3 biological replicates; n=80 (TFE3) and n=70 (TFEB) cells/experiment were analyzed. Scale bar 10 μm. Analysis of variance one-way (ANOVA) p=3.23e-12 (TFEB), p=2.48e-11 (TFE3); Tukey's post hoc test ***p<0.0005; NS not significant.B. Western blot analysis of TFEB, and phospo-TFEB (Serine 142) in RCS chondrocytes stably expressing human TFEB-3XFlag protein. Cells were treated with vehicle (5% ABS) or FGF18 (50 ng/mL) for 16h. β-actin was used as loading control. Representative of three independent experiments.C. GFP immuno-EM staining in FGFR3/4KO chondrocytes infected with a constitutive nuclear (and active) mutant TFEB fused to GFP tag (TFEB- S142A:S211A-GFP). GFP positive gold immune-particles showed presence of GFP-puncta into the nucleus (N, stained in green for visualization). Lysosomes were stained in blue for visualization. Insets showed magnification of lysosomes. Quantification of lysosome diameter (nm) in control (wild type) and FGFR3;4KO chondrocytes infected with empty or with TFEB- S142A:S211A-GFP vector. Mean +/- standard error of the mean (sem) of N=3 biological replicates. n=40 (veh) n=78 (FGFR3;4KO) n=57 (FGFR3;4KO +TFEB-S142A:S211A-GFP) cells were analyzed. Scale bar 500 nm. Kruskal Wallis test p=1.43e-13; Nemenyi post hoc test ***p<0.0005; NS not significant.D. Co-immunofluorescence of p-IRS1 (S307 mouse) and TFEB in IRS1-overexpressing RCS chondrocytes treated with FGF18 (50 ng/mL) for 12h. Nuclei (N) were stained with DAPI (blue) and delimited with dashed line. Scale bar 15 μm. Quantification of TFEB nuclear localization in IRS1-overexpressing vs non-expressing RCS. Mean +/- standard error of the mean (sem) of N=3 biological replicates. n= 124 cells analyzed; Student's un-paired T-test *p<0.05.E. Subcellular localization analysis of TFEB (red) and TFE3 (green) in RCS chondrocytes treated with FGF18 (50 ng/mL) for 12h. JNK inhibitor was used at 50 μM for 12h. Nuclei were stained with DAPI (blue). Quantification analysis showed % of cells with nuclear TFEB and TFE3 in RCS chondrocytes with indicated treatments. Scale bar 15 μm. Mean +/- standard error of the mean (sem) of N=3 biological replicates. n= 126 cells (control), 126 cells (FGF18), 95 cells (JNK Inhibitor), 163 cells (JNK Inhibitor + FGF18). Student's paired T-test *p<0.05.F. Western blot analysis of phospho-TFEB (S142) and IRS1 in RCS chondrocytes treated with vehicle (5% ABS) and FGF18 (50 ng/mL) for 12h. JNK inhibitor was used at 50 μM for 12h to inhibit kinase activity. β-actin was used as loading control. Representative images of N=3 independent experiments. Bar graphs show quantification of indicated proteins normalized to β-actin. Mean +/- standard error of the mean (sem). Student's paired T-test *p<0.05; NS not significant.
Figure 6A. qRT-PCR analysis of Fam134b isoforms in mock, TFEB S142A:S211A and TFE3 S246A:S312A over-expressing U2OS cells. Values were normalized to Hprt gene and expressed as fold change values relative to mock. Mean +/- standard error of the mean (sem) of N=3 biological replicates. Student's un-paired T-test *p<0.05; NS not significant.B. Western blot analysis of Fam134b isoforms in mock, TFEB S142A:S211A and TFE3 S246A:S312A over-expressing U2OS cells showing induction of FAM134B-2, but not of FAM134B-1 isoform by TFEB/TFE3. Filamin A was used as loading control. Blot is representative of N=3 independent experiments.C,D. Co-immunofluorescence staining of ER (CLIMP-63, green) and lysosomes (TMEM192-HA, red) in control and Sh-FAM134B U2OS cells over-expressing TFEB S142A:S211A-GFP (purple). BaFA1 was used at 100 nM for 4h. Scale bar 15 μm and 2 μm (higher magnification boxes) (C). In (D), Quantification of CLIMP63 fluorescence in TMEM192-HA decorated lysosomes. Mean +/- standard error of the mean (sem) of N=3 biological replicates. N= 21 (vehicle ctrl), N=33 (TFEB S142A:S211A-GFP ctrl), N=21 (vehicle shFAM134B), N= 30 (TFEB S142A:S211A-GFP shFAM134B) cells were analysed. Student's un-paired T-test ***p<0.0005; NS not significant.E,F. Co-immunofluorescence staining of ER (CLIMP-63, green) and lysosomes (Lamp1, red) in WT and Fam134bKO MEF cells over-expressing TFEB S142A:S211A-GFP (purple). BaFA1 was used at 100 nM for 4h. Scale bar 15 μm and 2 μm (higher magnification boxes) (E). In (F), Quantification of CLIMP63 fluorescence in Lamp1 decorated lysosomes. Mean +/- standard error of the mean (sem) of N=3 biological replicates. N= 20 (vehicle ctrl), N=22 (TFEB S142A:S211A-GFP ctrl), N=21 (vehicle Fam134bKO), N= 20 (TFEB S142A:S211A-GFP Fam134bKO) cells were analysed. Student's un-paired T-test ***p<0.0005; NS not significant.
Figure 7A,B. Representative images of alcian blue (cartilage) and Alizarin red (bone) skeletal staining showing growth retardation in Fgfr3/4 dKO mice compared to age/sex wild type littermate at post-natal day 30. B. Femur, tibia and tail details.C. Haematoxylin/Eosin staining of femoral growth plate sections from wild type and Fgfr3/4 dKO mice. Higher magnification insets showed a disorganized hypertrophic chondrocyte layer, in Fgfr3/4 dKO mice. Scale bar 60 μm.D. Western blot analysis of IRS1, p-P70S6K (T389), P70S6K, p-JNK (Y185), JNK1/2 proteins in growth plate lysates of mice with indicated genotypes. N=3 mice/genotype. β-actin was used as loading control. Bar graph shows quantification. Mean +/- standard error of the mean (sem). Student's un-paired T-test *p<0.05.E. Western blot analysis of LC3 and Lamp1 proteins from growth plate lysates of mice with indicated genotypes. β-actin was used as loading control. N=3 mice/genotype were analyzed. Bar graph shows quantification. Mean +/- standard error of the mean (sem). Student's un-paired T-test *p<0.05.F. qRT-PCR analysis of Fam134b-2 expression from growth plate of mice with indicated genotypes. N=8 (wt mice) and N=9 (Fgfr3/4 dKO mice) were analyzed. Values were normalized to Hprt gene and expressed as fold change relative to control. Mean +/- standard error of the mean (sem). Student's un-paired T-test *p<0.05.G. Western blot analysis of Fam134b-2 protein from growth plate lysates of mice with indicated genotypes. β-actin was used as loading control. N=6 (wt mice) and N=4 (Fgfr3/4 dKO mice) were analyzed. Bar graph showed quantification of Fam134b-2 normalized to β-actin. Mean +/- standard error of the mean (sem). Student's un-paired T-test *p<0.05.H. Representative immunofluorescence staining of CLIMP-63 of femur growth plate sections from mice with indicated genotypes. Scale bar 10μm. Insets showed increased CLIMP-63 staining in Fgfr3/4 dKO mice. Scale bar 5 μm. Hypert= hypertrophic chondrocytes; pre-hypert= pre-hypertrophic chondrocytes; prolif = proliferating chondrocytes.I. Representative TEM images of growth plate chondrocytes from mice with indicated genotypes. Arrows indicated the ER. N= nucleus. Scale bar 1μm.
Figure 1B. ARPI (CSS, ENZA, ODM-201, 14449) decreased, while R1881 increased, SDHA and SDHB subunit protein levels in both LNCaP and LAPC4 cells. PSA is used as a positive control.
Figure 2D. SDH repression during acute phase of ENZA stress increased transcription of different AR-regulated genes without altering AR mRNAs levels in LNCaP cells. Data information: ENZA: enzalutamide.Data shown as mean ± SD of three independent experiments. Statistical analysis was performed using two tailed unpaired Student's t-test *, p<0.05 and **, p<0.01 compared between groups.E-F. Overexpression of SDHA and SDHB subunits decreased AR protein levels (E) and AR transactivation (F) in LNCaP cells. Data information: ENZA: enzalutamide.Data shown as mean ± SD of three independent experiments. Statistical analysis was performed using one-way ANOVA followed by Tukey's test *, p<0.05 and **, p<0.01 compared between groups.
Figure 3C. SDH-repressed LNCaP cells were able to maintain higher proliferation rate particularly during ENZA stress with or without Hsp27 silencing in real time cell proliferation assay. Data information: ENZA: enzalutamide. Data shown as mean ± SD of three independent experiments. Statistical analysis was performed using one-way ANOVA following Tukey's test for panels C (end points) . *, p<0.05, **, p<0.01 and ***, p<0.001 compared between groupsE. Treatment with p-p38 inhibitors: SB203580 (10 µM) or Genistein (20 µM) for 24 h reduced AR upregulation induced by SDH repression in LNCaP cells (left panel). Bar graph in the right panel shows band intensity normalized to loading control. Data information: ENZA: enzalutamide. Data shown as mean ± SD of three independent experiments. Statistical analysis was performed using one-way ANOVA following Tukey's test for panels E . *, p<0.05, **, p<0.01 and ***, p<0.001 compared between groups
Figure 4F.. Treatment with 5 µM STO-609 for 24 h in LNCaP cells inhibited AR upregulation induced by SDHA/SDHB subunit silencing.G. Thapsigargin, DMM, DMS and ENZA treatment for the indicated time points increased intracellular calcium flux in LNCaP cells as visualized with calcium sensitive Fluo4-AM probe under confocal microscope.