EMBO/SourceData huggingface dataset:
Figure 1(A) The expression pattern of FOXM1 in fetal human cortex at GW15. VZ, ventricular zone; ISVZ, inner subventricular zone; OSVZ, outer subventricular zone. Right panels show higher magnification images. Arrows show that FOXM1+cells were colocalized with SOX2+ cells. Scale bars, 100μm (left); 50μm (right).(B) Staining for NESTIN and FOXM1 in human neural progenitor cells cultured in vitro. Down panels show higher magnification images. Scale bars, 50μm(up); 10μm(down).(D) Staining for Pax6 in E15.5 mice after IUE at E13.5. Arrowheads indicate Pax6+ cell in enlarged SVZ. Right panels show higher magnification images. VZ, ventricular zone; SVZ, subventricular zone; IZ, intermediate zone; CP, cortical plate. Scale bars,50μm(left); 20μm (right).(G­) Staining for upper neuron marker Cux1 in P3 mice after IUE at E13.5. Arrowhead and asterisk indicate deformation of the cortical surface at regions containing electroporated cells. Right panels show higher magnification images. Arrows show GFP+ Cux1+ double-positive cells. Scale bars,100μm(left); 20μm (right).
Figure 2(A) Representative images of whole brains from wild-type (WT) and hFOXM1f/+-NesCre (hFOXM1-cKI) mice pups at P0. Scale bar,100μm. (B) Quantification of cortical width and length at P0 (WT n=7; hFOXM1-cKI n=7; two-tailed unpaired t-test, P= 0.0361for width, P= 0.2866 for length). (C) Quantification of brain/body weight at P0 (WT n=9; hFOXM1-cKI n=9; two-tailed unpaired t-test, P= 0.0004). (D) Quantification of cortex thickness at P0 (WT n=7; hFOXM1-cKI n=11; two-tailed unpaired t-test, P= 0.0002). (E)(E) Staining for Satb2 and Ctip2 in P0 WT and hFOXM1-cKI mice folding structure. Asterisks indicate gyrus and arrows indicate sulcus structures. A1, A2, B1and B2 (DAPI) are high-magnification images. Scale bars, 200μm(left); 100μm(right). (F) Quantification of GI of WT and hFOXM1-cKI mice pups at P0. The quantification of the GI was analyzed in pre-selected hFOXM1-cKI mice with folding. (n = 6 each group; two-tailed u unpaired t-test, P= 0.0010).(H) Graph shows the number of Satb2+cells in 4×104µm2 at P0 (WT n=5; hFOXM1-cKI n=5; two-tailed unpaired t-test, P= 0.0086). (I) Graph shows the number of Ctip2 +cells in 4×104µm2 at P0 (WT n=5; hFOXM1-cKI n=5; two-tailed unpaired t-test, P= 0.0025). ((K) Staining for Cux1 in P0 WT and hFOXM1-cKI mice. Scale bar,100μm. (I) Graph shows the number of Cux1+cells in 4×104µm2 at P0 (WT n=3; hFOXM1-cKI n=3; two-tailed unpaired t-test, P= 0.0451). D
Figure 3(A) Staining for Pax6 and p-Vim in E15 WT and hFOXM1-cKI mice. The right A and B are high-magnification images. Arrows indicate double positive of Pax6+ p-Vim+ cells with cells with a basal process (arrowheads). Scale bars, 50μm (left); 5μm (right). (B) Graph shows the percentage of Pax6+ cells in enlarged SVZ (n = 6 each group; two-tailed unpaired t-test, P=0.0002). (C) Graph shows the number of Pax6+ p-Vim+ cells in 4x10^4 μm2 in enlarged SVZ (n = 6 each group; two-tailed unpaired t-test, P=0.0003). (D(D) Staining for Sox2 in E15 WT and hFOXM1-cKI mice. Scale bar, 50μm. (E) Graph shows the number of Sox2+ cells in 4x104 μm2 in enlarged SVZ (WT n=3; hFOXM1-cKI n=4; two-tailed unpaired t-test, P=0.0292). ((F) Staining for Tbr2 in E15 WT and hFOXM1-cKI mice. Scale bar, 50μm. (G) Graph shows the number of Tbr2+ cells in 4x104 μm2 in enlarged SVZ (WT n=6; hFOXM1-cKI n=9; two-tailed unpaired t-test, P=0.0003). ((H) Staining for HOPX in E15 WT and hFOXM1-cKI mice. Scale bar, 50μm. (I) Graph shows the number of HOPX+ cells in 4×104 μm2 in enlarged SVZ (n = 4 each group; two-tailed unpaired t-test, P= 0.0044). ((J) Staining for Ki67 in E15 WT and hFOXM1-cKI mice. Scale bar, 50μm.(L) The experimental scheme and staining for BrdU and EdU in E15 WT and hFOXM1-cKI mice. White arrows represent BrdU and EdU double-positive cells. Scale bars, 50μm(left);20μm(right). (M) Graph shows the percentage of BrdU and EdU double-positive cells in E15 WT and hFOXM1-cKI mice (n = 6 each group; two-tailed unpaired t-test, P=0.0413). D
Figure 4(B) Cell immunostaining for HOPX in control, hFOXM1-FL and mutants in mice primary neural progenitors 3 days following lentiviral infection. White arrows represent GFP HOPX double-positive cells. Scale bar, 50μm. (C) Graph shows the percentage of HOPX+ cells among GFP+ cells (Control n=3; hFOXM1-FL n=6; hFLΔexon9 n=5; one-way ANOVA, F (2, 12) = 29.13, control vs. hFOXM1, P=0.0002; control vs. hFOXM1Δexon9, P=0.9080). (D) Cell immunostaining for HOPX in control, mFoxm1-FL and mutants in mice primary neural progenitors 3 days following lentiviral infection. White arrows represent GFP HOPX double-positive cells. Scale bar, 50μm. (E) (E) Graph shows the percentage of HOPX+ cells among GFP+ cells (Control n=4; mFoxm1-FL n=6; mFL+h exon9 n=4; one-way ANOVA, F (2, 11) = 8.163, control vs. mFoxm1, P= 0.4747, control vs. mFoxm1+h exon9, P= 0.0066). ((J) Staining for Tbr2 in E15.5 mice after IUE at E13.5. Down panels show higher magnification images. White arrows represent GFP and TBR2 double-positive cells. Scale bars, 50μm. (K) Graph shows the percentage of GFP+Tbr2+/GFP+ in enlarged SVZ (n = 3 each group; one-way ANOVA, F (3,8) =8.787, P=0.0065). D
Figure 5(C) Volcano plots shows the gene expression states. The yellow dots are the up-regulated genes, and the blue dots are the down-regulated genes. The Lin28a gene (red dot) is significantly up-regulated.(D) Western blot analysis for Lin28a in cortex of E15 WT and hFOXM1-cKI mice. β-actin was detected as loading control.(F) Staining for Sox2 in E15.5 mice after IUE at E13.5. Arrowheads indicate Sox2+ cell in enlarged SVZ. Scale bar, 50μm. (G) Graph shows the percentage of Sox2+ cells among GFP+ cells in enlarged SVZ (n = 3 each group; two-tailed unpaired t-test, P=0.0154). (H) Graph shows the percentage of Sox2+ cells among GFP+ cells (n = 3 each group; two-tailed unpaired t-test, P=0.0018).(I) LIN28A-shRNA1 rescues the neuronal progenitor cell increase in hFOXM1-cKI mice. Brain slice staining for Sox2 two days after IUE at E13. Scale bar, 50μm. (J) Graph shows the percentage of Sox2+ cells among GFP+ cells (n=3 each group; one-way A
Figure 6(B) Representative cases of FOXM1+/+ and FOXM1-/- NPCs clones. Scale bar, 20μm. (C) Graph shows the number of cells per clone in FOXM1+/+ and FOXM1-/- human NPCs (FOXM1+/+ n=12; FOXM1-/- n=13; at least three biological replicates. two-tailed unpaired t-test, P= 0.0014). ((D) Overexpression of FOXM1 or LIN28A rescues the human neural progenitor cell reduction in FOXM1-/- cell lines. Western blot analysis for SOX2, PAX6 and HOPX. β-actin was detected as loading control. (E) Statistics of relative intensity of SOX2, PAX6 and HOPX (PAX6: n=3 biological replicates; one-way ANOVA, F (2,6) = 8.716, FOXM1-/-(Control) vs. FOXM1-/-(hFOXM1), P= 0.0173, FOXM1+/+(Control) vs. FOXM1-/-(hFOXM1), P= 0.0476. SOX2: n=5 biological replicates; one-way ANOVA, F (2, 12) = 14.72, FOXM1+/+(Control) vs. FOXM1-/-(Control), P= 0.0015, FOXM1+/+(Control) vs. FOXM1-/-(hFOXM1), P=0.9906. HOPX: n=4 biological replicates, one-way ANOVA F (2, 9) = 25.28, FOXM1+/+(Control) vs. FOXM1-/- (Control), P= 0.0018, FOXM1+/+(Control) vs. FOXM1-/-(hFOXM1), P= 0.2211). (
Figure 1A) Kinetics of S. Typhimurium replication in Tbk1-/- MEFs stably expressing the indicated TBK1 alleles. Intracellular bacteria were enumerated by their ability to form colonies on agar plates following cell lysis at the indicated time points. Statistical analysis comparing Tbk1-/- MEFs and cells expressing TBK1 alleles. Western blot for Flag-tagged TBK1 variants in post nuclear cell lysates.B) Replication of S. Typhimurium in Atg5-/- MEFs cells complemented with ATG5 or mock and treated with the TBK1 kinase inhibitor MRT68843 (10 nM) or DMSO. Fold replication was determined by counting bacterial colonies on agar plates at 2 and 8 h post inoculation (p.i.) following cell lysis.C) Analysis of Tbk1-/- MEFs stably expressing the indicated TBK1 alleles and infected with S. Typhimurium. Percentage of S. Typhimurium coated with ubiquitin (detected by FK2 antibody) at 1 or 4 h p.i. Western blot for Flag-tagged TBK1 variants in post nuclear cell lysates.
Figure 2A-H) Analysis of Tbk1-/- MEFs stably expressing the indicated TBK1 alleles and infected with S. Typhimurium at 1 h p.i. Percentage of S. Typhimurium coated with GFP:LC3B (A). Where indicated, Wortmannin (Wort) was added at 100 nM.A-H) Analysis of Tbk1-/- MEFs stably expressing the indicated TBK1 alleles and infected with S. Typhimurium at 1 h p.i. Percentage of S. Typhimurium coated with the indicated GFP:WIPI alleles (B). Where indicated, Wortmannin (Wort) was added at 100 nM.A-H) Analysis of Tbk1-/- MEFs stably expressing the indicated TBK1 alleles and infected with S. Typhimurium at 1 h p.i. Confocal microscopy of MEFs expressing the indicated GFP fusion proteins or immunolabeled for WIPI2 and infected with mCherry expressing S. Typhimurium (C-H).A-H) Analysis of Tbk1-/- MEFs stably expressing the indicated TBK1 alleles and infected with S. Typhimurium at 1 h p.i. Percentage of S. Typhimurium coated with GFP:DFCP1 (FYVE* denotes a PI(3)P-binding mutant of DFCP1) (D-E). Where indicated, Wortmannin (Wort) was added at 100 nM.A-H) Analysis of Tbk1-/- MEFs stably expressing the indicated TBK1 alleles and infected with S. Typhimurium at 1 h p.i. Confocal microscopy of MEFs expressing the indicated GFP fusion proteins or immunolabeled for WIPI2 and infected with mCherry expressing S. Typhimurium (C-H).A-H) Analysis of Tbk1-/- MEFs stably expressing the indicated TBK1 alleles and infected with S. Typhimurium at 1 h p.i. Percentage of S. Typhimurium coated with GFP:ML1N*2, a probe for PI(3,5)P2 (G). Where indicated, Wortmannin (Wort) was added at 100 nM.A-H) Analysis of Tbk1-/- MEFs stably expressing the indicated TBK1 alleles and infected with S. Typhimurium at 1 h p.i. Confocal microscopy of MEFs expressing the indicated GFP fusion proteins or immunolabeled for WIPI2 and infected with mCherry expressing S. Typhimurium (C-H).
Figure 3A-B) Kinetics of S. Typhimurium replication in MEFs depleted of WIPI1 (A). Intracellular bacteria were enumerated by their ability to form colonies on agar plates. Western blot for GFP:WIPI1 upon the indicated siRNA treatments.A-B) Kinetics of S. Typhimurium replication in MEFs depleted of WIPI2 (B). Intracellular bacteria were enumerated by their ability to form colonies on agar plates. quantitative RT-PCR for WIPI2 upon the indicated siRNA treatments.
Figure 4A-D) Analysis of Tbk1-/- MEFs complemented with the indicated Flag-tagged TBK1ΔC-adaptor fusion proteins. S. Typhimurium replication kinetics (A,D). Infected cells were lysed at the indicated time points post inoculation (p.i.) and bacteria were enumerated by their ability to form colonies on agar plates. Mean and s.d. of triplicate MEF cultures and duplicate colony counts. Data are representative of at least two repeats. Statistical significance to Tbk1-/- MEFs expressing TBK1ΔC is indicated. Western blot for Flag-tagged TBK1 variants in post nuclear cell lysates.A-D) Analysis of Tbk1-/- MEFs complemented with the indicated Flag-tagged TBK1ΔC-adaptor fusion proteins. (B) Percentage of GFP:WIPI1 positive S. Typhimurium at 1 h p.i. in the indicated complemented MEFs. Mean and s.e.m. of four independent experiments. >200 bacteria counted per coverslip. *p<0.05, ***p<0.001, one-way ANOVA with Dunnett's multiple comparisons test.A-D) Analysis of Tbk1-/- MEFs complemented with the indicated Flag-tagged TBK1ΔC-adaptor fusion proteins. S. Typhimurium replication kinetics (A,D). Infected cells were lysed at the indicated time points post inoculation (p.i.) and bacteria were enumerated by their ability to form colonies on agar plates. Mean and s.d. of triplicate MEF cultures and duplicate colony counts. Data are representative of at least two repeats. Statistical significance to Tbk1-/- MEFs expressing TBK1ΔC is indicated. Western blot for Flag-tagged TBK1 variants in post nuclearcell lysates.
Figure 5E) Lumier binding assay. Binding of the indicated luciferase-tagged NDP52 variants to beads coated with GST, GST:galectin-8, or GST:ubiquitin. Coomassie stain of purified GST proteins. Western blot for luciferase-tagged NDP52 alleles in total cell lysates.F) Kinetics of S. Typhimurium replication in Tbk1-/- MEFs complemented with the indicated Flag-tagged TBK1ΔC-NDP52 fusion proteins. Infected cells were lysed at the indicated times post inoculation (p.i.) and bacteria were enumerated by their ability to form colonies on agar plates. Mean and s.d. of triplicate MEF cultures and duplicate colony counts. Data are representative of at least two repeats. Statistical comparison with Tbk1-/- MEFs expressing TBK1ΔC is indicated. ***p<0.001, one-way ANOVA with Dunnett's multiple comparisons test. Western blot for Flag-tagged TBK1 variants in post nuclear cell lysates.
Figure 6A-B) Analysis of Tbk1-/- MEFs complemented with the indicated Flag-tagged TBK1ΔC-galectin fusion proteins. S. Typhimurium replication kinetics (A). Infected cells were lysed at the indicated times post inoculation (p.i.). and bacteria were enumerated by their ability to form colonies on agar plates. Mean and s.d. of triplicate MEF cultures and duplicate colony counts. Data are representative of at least two repeats. Statistical differences to Tbk1-/- MEFs expressing TBK1ΔC are shown. *p<0.05, ***p<0.001, one-way ANOVA with Dunnett's multiple comparisons test. Western blot for Flag-tagged TBK1 variants in post nuclear cell lysates.A-B) Analysis of Tbk1-/- MEFs complemented with the indicated Flag-tagged TBK1ΔC-galectin fusion proteins. (B) Percentage of GFP:WIPI1 positive S. Typhimurium at 1 h p.i. in the indicated complemented MEFs. Mean and s.e.m. of three independent experiments. >200 bacteria counted per coverslip. *p<0.05, one-way ANOVA with Dunnett's multiple comparisons test.
Figure 7A) Binding of NDP52 to ubiquitin tetramers of different linkage types. Beads coated with the indicated GST-tagged proteins were incubated with pooled M1-, K63-, and K48-linked tetra-ubiquitin chains. Anti-ubiquitin Western blot of input and proteins bound to beads.B-D) Kinetics of S. Typhimurium replication in Tbk1-/- MEFs complemented with the indicated Flag-tagged TBK1ΔC fusion proteins. Infected cells were lysed at the indicated time points post inoculation (p.i.) and bacteria were enumerated by their ability to form colonies on agar plates. Mean and s.d. of triplicate MEF cultures and duplicate colony counts. Data are representative of at least two repeats. Statistical differences to Tbk1-/- MEFs expressing TBK1ΔC are shown. *p<0.5, **p<0.01, ***p<0.001 one-way ANOVA with Dunnett's multiple comparisons test. Western blot for Flag-tagged TBK1 variants in post nuclear cell lysates.B-D) Kinetics of S. Typhimurium replication in Tbk1-/- MEFs complemented with the indicated Flag-tagged TBK1ΔC fusion proteins. Infected cells were lysed at the indicated time points post inoculation (p.i.) and bacteria were enumerated by their ability to form colonies on agar plates. Mean and s.d. of triplicate MEF cultures and duplicate colony counts. Data are representative of at least two repeats. Statistical differences to Tbk1-/- MEFs expressing TBK1ΔC are shown. *p<0.5, **p<0.01, ***p<0.001 one-way ANOVA with Dunnett's multiple comparisons test. Western blot for Flag-tagged TBK1 variants in post nuclearcell lysates.B-D) Kinetics of S. Typhimurium replication in Tbk1-/- MEFs complemented with the indicated Flag-tagged TBK1ΔC fusion proteins. Infected cells were lysed at the indicated time points post inoculation (p.i.) and bacteria were enumerated by their ability to form colonies on agar plates. Mean and s.d. of triplicate MEF cultures and duplicate colony counts. Data are representative of at least two repeats. Statistical differences to Tbk1-/- MEFs expressing TBK1ΔC are shown. *p<0.5, **p<0.01, ***p<0.001 one-way ANOVA with Dunnett's multiple comparisons test. Western blot for Flag-tagged TBK1 variants in post nuclear cell lysates.
Figure 1(A m6A dot blot of the P493-6 cells treated with Tet for 0h or 72h (A) equal mRNA loading was verified by methylene blue staining. The shown data are representative of at least three independent experiments.B) m6A dot blot of Raji cells that expressed NTC or MYC shRNAs (B); equal mRNA loading was verified by methylene blue staining. The shown data are representative of at least three independent experiments.(C) Quantification of m6A abundance by HPLC-MS. *** P<0.001 as compared to corresponding high MYC group (mean ± SD, n = 3 biological replicates, Student's t‐test).(D) Metagene profiles of m6A peak distribution along a normalized transcript composed of three rescaled non-overlapping segments: 5′UTR, CDS, and 3′UTR in P493-6 cells treated with Tet for 0h or 72h.(F) IGV graph showing location of m6A peaks on representative genes.(G) m6A-RIP assay in P493-6 cells treated with Tet for 0h or 72h. HPRT1 serves as negative control. *** P<0.001 as compared to corresponding high MYC group, ns, not significant (mean ± SD, n = 3 biological replicates, Student's t‐test).(H Western blot analysis for protein levels in P493-6 cells treated with Tet for 0h, 24h, 48h and 72h (H) HPRT1 and β-actin serve as negative and loading controls, respectively. Data are representative of at least three independent experiments.I) Western blot analysis for protein levels in Raji cells that expressed NTC or MYC shRNAs (I). HPRT1 and β-actin serve as negative and loading controls, respectively. Data are representative of at least three independent experiments.
Figure 2(A Western blot analysis for protein levels of m6A methyltransferases (METTL3 and METTL14) and demethylases (ALKBH5 and FTO) in P493-6 cells treated with Tet for 0h, 24h, 48h and 72h (A) β-actin serves as loading controls. Data are representative of at least three independent experiments.B) Western blot analysis for protein levels of m6A methyltransferases (METTL3 and METTL14) and demethylases (ALKBH5 and FTO) in Raji cells that expressed NTC or MYC shRNAs (B). β-actin serves as loading controls. Data are representative of at least three independent experiments.(C) RT-qPCR analysis of the mRNA levels of methyltransferases and demethylases in P493-6 cells treated with Tet for 0h or 24h. Data were presented as mean (±SD), n = 3 biological replicates. * P<0.05 relative to corresponding -Tet group (Student's t‐test).(D) IGV graph showing location of MYC binding peaks on ALKBH5 and FTO from published ChIP-seq datasets (Walz et al, 2014; Data ref: Eilers M, 2014). In this dataset, high levels of MYC were induced with 1µg/ml doxycycline for 30h and ChIPed by MYC antibody. Red triangle indicates the E-box.(E) RIP assay, using ALKBH5, FTO or IgG antibody to detect the binding to MRGs (SPI1 and PHF12) in P493-6 cells treated with Tet or not. HPRT1 serves as negative control. *** P<0.001 as compared to corresponding IgG group (mean ± SD, n = 3 biological replicates, Student's t‐test).(F Western blot analysis for protein levels in P493-6 cells that overexpressed empty vector (EV), ALKBH5, or FTO and were then treated with Tet or not (F) HPRT1 and β-actin served as negative and loading controls, respectively. Data are representative of at least three independent experiments.G) Western blot analysis for protein levels in Raji cells expressed NTC or MYC shRNAs (G). HPRT1 and β-actin served as negative and loading controls, respectively. Data are representative of at least three independent experiments.(H) m6A RIP assay in P493-6 cells that overexpressed EV, ALKBH5, or FTO and were then treated with Tet or not. HPRT1 serves as negative control. *** P<0.001 as compared between indicated groups. ns, not significant (mean ± SD, n = 3 biological replicates, Student's t‐test).(I, Western blot analysis for protein levels in P493-6 cells that expressed NTC or ALKBH5 shRNAs and were then treated with Tet or not (I) HPRT1 and β-actin serve as negative and loading controls, respectively. Data are representative of at least three independent experiments.J) Western blot analysis for protein levels in Raji cells expressed NTC or ALKBH5 shRNAs and knocked down MYC or not (J). HPRT1 and β-actin serve as negative and loading controls, respectively. Data are representative of at least three independent experiments.(K) m6A RIP assay HPRT1 serves as negative control. *** P<0.001 as compared between indicated groups (mean ± SD, n = 3 biological replicates, Student's t‐test).
Figure 3(A) RIP assay in P493-6 cells treated with Tet for 0h or 72h. HPRT1 serves as negative control. *** P<0.001 relative to indicating groups (mean ± SD, n = 3 biological replicates, Student's t‐test).(B, Western blot analysis for protein levels in P493-6 cells that expressed NTC or YTHDF3 shRNAs and were then treated with Tet or not (B) HPRT1 and β-actin serve as negative and loading controls, respectively. Data are representative of at least three independent experiments.C) Western blot analysis for protein levels in Raji cells that expressed NTC or YTHDF3 shRNAs and knocked down MYC or not (C). HPRT1 and β-actin serve as negative and loading controls, respectively. Data are representative of at least three independent experiments.(D) Polysomes profiling assay in P493-6 cells that expressed NTC or YTHDF3 shRNA.(E) RT-qPCR assay for mRNA levels of MRGs (SPI1 and PHF12) in different fractions in (D). HPRT1 serves as negative control. Data were presented as mean (±SD), n = 3 biological replicates. ** P<0.01 and *** P<0.001 as compared to NTC group (Student's t‐test).(F) Click-iT AHA (L-azidohomoalaine) experiments were performed using IgG, anti-SPI1 or anti-PHF12 antibody. P493-6 cells expressing NTC or YTHDF3 shRNAs were incubated for 1 hour in medium containing 100 ug/mL AHA. The translated proteins were detected by Western blot. Arrow indicates translated MRGs.(G Western blot analysis for protein levels in P493-6 cells (G) β-actin serve as negative and loading controls, respectively. Data are representative of at least three independent experiments.H) Western blot analysis for protein levels in Raji cells (H) that expressed NTC, or ALKBH5 shRNA, or YTHDF3 shRNA. β-actin serve as negative and loading controls, respectively. Data are representative of at least three independent experiments.(I) m6A RIP assay HPRT1 serves as negative control. *** P<0.001 as compared between indicated groups, ns, not significant (mean ± SD, n = 3 biological replicates, Student's t‐test).