EMBO/SourceData huggingface dataset:
Figure 7B Representative images of microglial distribution in the cerebral cortex of WT and mutant mice at 3 w. Sections were stained with anti-Iba1 or anti-CD11b antibodies (red). Scale bar, 100 µm. C Quantification of microglial number (n = 5 animals per group, one-way ANOVA). Note that Irf8-/- mice were analyzed by CD11b immunostaining, while other strains were analyzed by Iba1 staining.  D Representative images of a spontaneous apoptotic cell and surrounding glial cells in the cerebral cortex of WT and Irf8-/- mice at 3 w. Sections were stained with anti-GFAP (green), anti-CD11b (red) and anti-cleaved caspase-3 (blue) antibodies. 3D images (lower row) were reconstructed from confocal images (upper row) using Imaris software. Arrows indicate cleaved caspase-3+ apoptotic cells. Insets are higher magnification images around apoptotic cells. Scale bar, 20 µm and 5 µm (insets). E Percentage of spontaneous apoptotic cells surrounded by microglia in WT and mutant mice. 3D images reconstructed from confocal images were analyzed (n = 36-50 cells from five animals per group, Kruskal-Wallis test with post hoc Dunn's test). F Percentage of spontaneous apoptotic cells surrounded by astrocyte processes in WT and mutant mice (n = 36-50 cells from five animals per group, one-way ANOVA with post hoc Tukey's test).
Figure 1Representative images of HeLa (B) or HCT-8 (C) cells infected with Shigella WT pre-treated or not with arsenite, analyzed at the indicated times post-infection Cfu quantification of intracellular bacteria in HeLa and HCT-8 cells pre-treated or not with arsenite and infected with ShigellaRepresentative images (E) and cfu quantification (F) of intracellular bacteria in HeLa cells infected with Shigella WT after pre-treatment with TNF-α, H2O2, anisomycin, hypoxia and corresponding controls, analyzed at 0.5 hpiRepresentative images (G) and cfu quantification (H) of intracellular Shigella in HeLa cells pre-treated with arsenite, anisomycin, stressors plus NAC, and corresponding controls
Figure 2Representative images (A) and cfu quantification (B) of Shigella WT or ΔipaB mutant strain bound to HeLa cells pre-treated or not with arsenite. Ruffle formation induced by Shigella WT in panel (A) is indicated by white arrowheadsCfu quantification of Shigella WT or ΔipaB mutant strain bound to HeLa cells pre-treated with anisomycin or DMSO (control)Representative images (D) and cfu quantification (E) of Shigella WT or ΔipaB mutant bound to HCT-8 cells pre-treated or not with arsenite
Figure 3Representative image ), cf and qRT-PCR quantification of intracellular Shigella in HeLa cells pre-treated with arsenite in the presence or not of amitriptyline, and corresponding controlsRepresentative image cf and qRT-PC quantification of intracellular Shigella in HeLa cells pre-treated wit anisomycin in the presence or not of amitriptyline, and corresponding controlsRepresentative image cf and qRT-PC quantification of intracellular Shigella in HeLa cells transfected with ASM siRNA or control siRNA and pre-treated or not with arsenite prior to infection3D reconstruction of representative images of ASM (J, K) or ceramide (L, M) staining in HeLa cells treated with arsenite or anisomycin and corresponding controls. ASM, ceramide and Hoechst staining were surface converted by voxel distance
Figure 4Western blot analysis of p38 MAPK phosphorylation in HeLa cells treated with arsenite, TNF-α, H2O2 or anisomycin; β-actin was used as loading controlRepresentative image of intracellular Shigella in HeLa cells pre-treated with arsenite in the absence or presence of the p38 inhibitor SB203580, and corresponding controlscfu quantificatio of intracellular Shigella in HeLa cells pre-treated with arsenite in the absence or presence of the p38 inhibitor SB203580, and corresponding controlsCfu quantification of intracellular Shigella in HeLa cells transfected with p38 siRNA or control siRNA and pre-treated or not with arsenite prior to infectioncfu quantificatio of intracellular Shigella in HeLa cells pre-treated wit anysomycin in the absence or presence of the p38 inhibitor SB203580, and corresponding controlsCfu quantification of intracellular Shigella in HeLa cells transfected with p38 siRNA or control siRNA and pre-treated or not wit anisomycin prior to infection3D reconstruction of representative images of ceramide staining in HeLa cells treated with arsenite ), in the presence or absence of SB203580, and corresponding controls. Ceramide and Hoechst staining were surface converted by voxel distance3D reconstruction of representative images of ceramide staining in HeLa cells treated wit anisomyci ), in the presence or absence of SB203580, and corresponding controls. Ceramide and Hoechst staining were surface converted by voxel distance
Figure 5Representative images (A), cfu (B and qRT-PCR quantification of intracellular Salmonella in HeLa cells pre-treated with arsenite or anisomycin and corresponding controls Infection was performed with Salmonella WT and analyzed at 0.5 hpiRepresentative images of bacteria bound to HeLa cells pre-treated or not with arsenite followed by incubation with Salmonella WT or Δ4 mutant strain for 10 minViolin plots showing the distribution of the number of bacteria bound per infected cell in HeLa cells pre-treated or not with arsenite followed by incubation with Salmonella WT (E) or Δ4 mutant strain (F) for 10 minRepresentative images (G) and cfu quantification (H) of bacteria bound to HeLa cells pre-treated or not with arsenite followed by incubation with Salmonella mutant strains ΔfliC, ΔfliC/pFliC or ΔflhC for 10 minRepresentative images (I) and cfu quantification (J) of Listeria bound to HeLa cells pre-treated or not with arsenite followed by incubation with the bacteria for 20 minRepresentative images (K) and cfu quantification (L) of Yersinia bound/internalized by HeLa cells pre-treated or not with arsenite followed by 70 min incubation with the bacteria
Figure 6Schematic representation of the experimental design for reinfection experiments. Cells were infected with Shigella-mCherry (primary infection) or mock-treated. At 3 hpi, cells were re-infected with Shigella expressing GFP (secondary infection). Secondary infection was analyzed at 0.5 hpi (i.e. 1 h after addition of bacteria to cells) Representative image and cfu quantification of re-infection assays with Shigella W of HeLa cells primarily infected with Shigella WT or ΔipaB/Inv mutant strain, or mock-treatedRepresentative image and cfu quantificatio of re-infection assays wit Salmonella W of HeLa cells primarily infected with Shigella WT or ΔipaB/Inv mutant strain, or mock-treatedRepresentative images (F) and cfu quantification (G) of the re-infection assays with Salmonella ΔfliC, ΔfliC/pFliC or ΔflhC mutant strains in HeLa cells primarily infected with Shigella WT or mock-treatedSchematic representation of the experimental design for reinfections upon knockdown or inhibitor treatment. I and J. Representative images (I) and cfu quantification (J) of the secondary infection with Shigella WT, in cells transfected with ASM siRNA or control siRNACfu quantification of the secondary infection with Shigella WT in HeLa cells following amitriptylineCfu quantification of the secondary infection with Shigella WT in HeLa cells followin transfectio with MAPK p38 siRNCfu quantification of the secondary infection with Shigella WT in HeLa cells followin SB203580 treatmen
Figure 73D reconstruction of representative images of ASM (A) or ceramide (B) staining in HeLa cells infected with Shigella WTor mock-treated, analyzed at 3 hpi. ASM, ceramide, Hoechst and Shigella staining were surface converted by voxel distanceASM enzymatic activity measurement in HeLa cells infected with Shigella-WT or mock-treated, analyzed at 3 hpi. The ASM enzymatic activity was determined in the membrane fraction corresponding to 3.0×105 cells per conditionceramide measurement in HeLa cells infected with Shigella-WT or mock-treated, analyzed at 3 hpi Ceramide is shown normalized to mock-treated cellsRepresentative spinning-disk confocal images of colon tissue sections of non-infected (E and F) and Shigella infected (G and H) guinea pigs, collected at 4 hpi. E and G are montages of multiple image fields; dashed boxes in (E and G) are shown enlarged in (F and H), respectivelyMean fluorescence intensity of ceramide signal in surface epithelial cells (outermost tissue layer) of non-infected or Shigella-infected guinea pig colon tissue sections
Figure 1A The mRNA value of AKT2 was analyzed in the GEO Profiles from the liver explant of Hepatitis B virus (HBV)-associated acute liver failure (ALF) patients (GDS4387/225471_s_at), and from bronchial epithelial cells with pandemic and seasonal H1N1 influenza virus infections in vitro (GDS4855/203808_at). normal, n=10; HBV, n=17; control, n=3; influenza A, n=9. Data information: *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 and ns, not significant (P > 0.05); using unpaired t-test Error bars mean ± SDC The qRT-PCR analysis of Akt2 mRNA in PEMs stimulated with lipo-poly(I:C) (1 μg/mL), lipo-poly(A:T) (1 μg/mL), lipo-ISD (3 μg/mL) or HSV-1 (MOI, 1) for 6 hours. n=3, respectively. Data information: *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 and ns, not significant (P > 0.05); using one-way ANOVA test Data are from three independent biological replicates Error bars mean ± SEM).D The mRNA of Akt2 (red line) and Ifnb1 (black line) were analyzed by qRT-PC in the mock and VSV (MOI, 1) or LM (MOI, 1)-stimulated PEMs or BMDMs at the indicated time. Mock and VSV, n=4; mock and LM, n≥3.G-H PEMs were pretreated with DMSO or AKT2 inhibitor CCT128930 (10 μM) (G) for 2 hours, or knocked down of Akt2 with siAkt2-1 (20 nM) for 48 hours (H), then the mRNA level of Ifnb1 was measured by qRT-PCR after lipo-poly(I:C), lipo-poly(A:T), lipo-ISD, VSV, or HSV-1 stimulation for another 6 hours. n=3, respectively. Data information: *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 and ns, not significant (P > 0.05); using two-way ANOVA test Data are from three independent biological replicates Error bars mean ± SEM).
Figure 2A-B qRT-PCR detection for the mRNA expression of Ifnb1 (A), Ifna4, Cxcl10 and Ccl5 (B) in WT (n=3) and Akt2 KO (n=3) PEMs stimulated with lipo-poly(I:C), VSV, lipo-poly(A:T), lipo-ISD or HSV-1 for 6 hours. C The expression of Ifnb1 mRNA level by qRT-PCR in WT (n=3) and Akt2 KO (n=3) PEMs treated with poly(I:C) (10 μg/mL) for 6 hours (left panel) or LPS (1 μg/mL) for 2 hours (right panel). Data information: *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 and ns, not significant (P > 0.05); using two-way ANOVA test Data are from three independent experiments Error bars mean ± SEMH Zebrafish larvae were overexpressed the indicated protein for 48 hours and challenged with VSV for another 6 hours, then the mRNA levels of ifn1 in zebrafish larvae were measured by qRT-PCR (left panel). Every dot represents three zebrafish embryos. Horizontal square bracket shows the statistical analysis of the comparison with 'PBS mock', the rest shows the comparison with 'PBS VSV'. PBS mock, n=5; PBS VSV, n=13; AKT2 VSV, n=7; AKT2-T309A/S474A VSV, n=9. H&E staining (middle panel) and survival rates (Kaplan-Meier curve) (right panel) were collected from zebrafish larvae after VSV micro-injection for 18 hours or longer. The arrows indicated the VSV-infected eye and skeletal muscle in zebrafish larvae. Bars, 100 μm. Data information: *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 and ns, not significant (P > 0.05); using a one-way ANOVA test or log-rank (Mantel-Cox) test Data are from three independent biological replicates Error bars mean ± SD).
Figure 3D WT and Akt2 KO PEMs were infected with or without VSV for 6 hours. Then, cell lysates of WT or Akt2 KO PEMs were prepared for immunoprecipitation using anti-AKT2 antibody, followed by immunoblotting using anti-IRF3 antibody (left panel). Alternatively, cell lysates were prepared for immunoprecipitation using anti-IRF3 antibody, followed by immunoblotting using anti-AKT2 antibody (right panel) to detect the endogenous interaction between AKT2 and IRF3. Data information: * Data are representative of two or three independent biological replicatesG Immunofluorescent microscopic imaging for (left panel) and statistics analysis (right panel) for IRF3 nuclear translocation in WT and Akt2 KO PEMs at 6 hour post-VSV infection. IRF3 (red), Nuclei (Hoechst, green). The white arrows indicate the nuclei with IRF3 translocation. Mock, n=2; VSV, n=3. Bar, 20 μm. Data information: *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 and ns, not significant (P > 0.05); using two-way ANOVA test Data are representative of two or three independent biological replicates Error bars mean ± SEM).H Immunoassay of IRF3, AKT2, LaminB1 and GAPDH in the nuclear and cytoplasmic fractions from the WT and Akt2 KO PEMs after VSV treatment for 6 hours. Tubulin and LaminB1 were used as cytoplasmic and nucleic protein loading control respectively. Data information: * Data are representative of two or three independent biological replicatesI Immunoassay of IRF3, SP1 and Tubulin in the nuclear and cytoplasmic fractions of the HEK293T cells overexpressed with indicated constructs for 24 hours and stimulated with VSV for 6 hours. Tubulin and SP1 served as cytoplasmic and nucleic protein loading control respectively. Data information: * Data are representative of two or three independent biological replicates
Figure 4D Immunofluorescence microscopy (top panel) of AKT2-, Flag-IRF3- or Flag-IRF3-T207A-overexpressed MEF cells after poly(A:T) stimulation for 6 hours. Flag (IRF3, red) and Hoechst (nuclei, blue). Immunoassay of nuclear-cytoplasm extractions (bottom panel) from HEK293T-IRF3 KO cells with overexpression of the indicated plasmids for 24 hours followed by VSV infection for 6 hours. GAPDH and SP1 were used as cytoplasmic and nucleic protein loading control respectively. Bar, 20 μm. Data information: * Data are representative of three independent experimentsF Survival rates (left panel) until 72 hours and H&E staining (right panel) at 18 hours of the zebrafish larvae with indicated protein expression and VSV challenge. The arrows indicated the VSV-infected eye and skeletal muscle in zebrafish larvae. Bars, 100 μm. Data information: *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 and ns, not significant (P > 0.05); using a log-rank (Mantel-Cox) test Data are representative of three independent experimentsG qRT-PCR analysis of the VSV copies in overexpressed zebrafish embryos with the VSV challenge at 18 hours later. Every dot represents three zebrafish embryos. Horizontal vertical square bracket shows the statistical analysis of comparison with 'PBS mock', the rest shows the comparison with 'PBS VSV'. PBS mock, n=15; PBS VSV, n=9; IRF3 VSV, n=16; IRF3-T207A VSV, n=11; AKT2 VSV, n=14; AKT2-T309A/S474A VSV, n=9; IRF3 + AKT2 VSV, n=9; IRF3 + AKT2-T309A/S474A VSV, n=13; IRF3-T207A + AKT2 VSV, n=10. Data information: *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 and ns, not significant (P > 0.05); using a one-way ANOVA test Data are representative of three independent experiments Error bars mean ± SD).H The survival rates of over-expressed zebrafish larvae as long as 72 hours after the VSV challenge. Data information: *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 and ns, not significant (P > 0.05); using a log-rank (Mantel-Cox) test Data are representative of three independent experiments
Figure 5B Survival rates of WT and Akt2 KO mice after lethal dose injection of VSV during 120 hours (1 × 107 PFU/g, i.v.). Data information: *P < 0.05, **P < 0.01; using a log-rank (Mantel-Cox) test Data are representative of three independent experiments respectivelyE WT and Akt2 KO mice were injected with VSV for 24 hours (1 × 106 PFU/g, i.v.). Representative images of the VSV infected cells (GFP) were collected by fluorescence microscope (left panel) and the VSV copies (WT, n=6; Akt2 KO n=7) were measured by qRT-PCR (right panel) in the liver of mice. Bar, 100 μm. Data information: *P < 0.05, **P < 0.01; using a unpaired t-test Data are representative of three independent experiments respectively in which the different groups of mice were sacrificed and quantified for indicated experimental purposes Error bars mean ± SD).Bone marrow cells from WT and Akt2 KO mice (CD45.2) were adoptively transferred to lethally irradiated CD45.1 mice and infected with VSV. representative images were analyzed Data information: * Data are representative of three independent experiments respectivelyI Survival rates of WT mice that were intraperitoneal injected with CCT128930 (20 mg/kg) twice every other day before VSV infection (1 × 107 PFU/g, i.v.). Data information: *P < 0.05, **P < 0.01; using a log-rank (Mantel-Cox) test Data are representative of three independent experiments respectively
Figure 6immunoblot analysis of IRF3, LaminB1 and GAPDH in the PIC nuclear and cytoplasmic fractions (C) from WT and Akt2 KO mice treated with TMPD for 2 weeks. GAPDH and LaminB1 were used as cytoplasmic and nucleic protein loading control respectively. Data information: * Data are representative of three independent experimentsH&E-staining (E left panel) and immunofluorescence of IgG deposits (E right panel) in the kidney sections were collected from WT and Akt2 KO bone marrow-reconstituted CD45.1 mice Bar, 50 μm. Data information: * Data are representative of three independent experimentsJ. qRT-PCR analysis of the relative mRNA expression levels of AKT2 (left panel) and IFNA (middle panel) or IFNβ1 (right panel) in CD14 positive monocytes isolated from SLE patients (n=9) or healthy donors (n=9). Data information: *P < 0.05, **P < 0.01 and ****P < 0.0001; using unpaired t-test or correlation analyses Data are pooled from different individuals Error bars mean ± SD).K Immunofluorescence of IRF3 (Red), AKT2 (Green), DAPI (Blue, nucleus) in CD14+ cells from SLE patients followed by analysis of the cells about mean amount of AKT2 in this cell as well as mean amount of IRF3 in the same nucleus with Image J software. Cells (n=39) were collected 3 patients. Bar, 2 μm. Data information: *P < 0.05, **P < 0.01 and ****P < 0.0001; using correlation analyses Data are pooled from different individuals or representative of three independent experiments
Figure 1Ex vivo generation of CAR T cells. Activated human PBMC were left untransduced or incubated with CD8-LVCD19CAR at an MOI of 2. Five days later, expression of CD19-CAR and CD8 were determined on CD3+ cells. Numbers indicate the percentage of cells in the respective gate.Detection of CAR T cells by vector copy numbers (VCN). Genomic DNA was isolated from peritoneal cavity, spleen and blood cells. VCN were determined in technical duplicates by qPCR for two individual mice of each group. Presence of B cells in the transplanted PBMC is indicated below.Cells isolated from the peritoneal cavity (peritoneum), spleen, or blood were evaluated by flow cytometry for the percentages of human CD8+ in CD3+ cells (D), within the fraction of human CD45+ cells. Representative density plots are shown for the peritoneal cells.Cells isolated from the peritoneal cavity (peritoneum), spleen, or blood were evaluated by flow cytometry for the percentages of CAR+ or RFP+ cells in the CD8+ and CD8- fractions, respectively (E) within the fraction of human CD45+ cells. Representative density plots are shown for the peritoneal cells.Cells isolated from the peritoneal cavity (peritoneum), spleen, or blood were evaluated by flow cytometry for the percentages of human CD19+ cells within the fraction of human CD45+ cells. Representative density plots are shown for the peritoneal cells.Mice were transplanted with B-cell depleted human PBMC and then received CD8-LVCD19CAR (filled circle) or PBS (open circle). As control, CD8-LVCD19CAR or PBS were injected into mice transplanted with non-depleted PBMC. Data represent mean ± SD for all groups (CD8-LVCD19CAR: n=6 in D, n=4 in G; CD8-LVRFP: n=4; PBS: n=4 in G, all others n=3).
Figure 2CAR T cell levels in the CD8+ and CD8- T cells harvested from blood, spleen and bone marrow of PBS (PBS) or vector-injected (CAR) mice determined by flow cytometry.Detection of CAR T cells by determining vector copy numbers (VCN) in genomic DNA isolated from CD8+ enriched cells harvested from bone marrow.Detection of CAR T cells in bone marrow quantified by flow cytometry.CD19+ B cell levels in blood, spleen and bone marrow determined by flow cytometry.Relative human CD19+ B cell level in blood calculated by normalizing the levels at the day the animals were sacrificed to those before vector administration.
Figure 3Cytokine levels in plasma of individual mice obtained from blood at 7 weeks after vector injection. The distinct symbols used for each individual mouse are identical to the ones used in Fig. 2. Mean values ± SD of n=2 technical replicates.Immunohistochemistry of paraffin embedded sections from the lungs, brain meninges, brain striatum, spleen and liver of the vector-injected mouse M16 (CAR) and a control mouse injected with PBS (PBS) stained against CD8 (αCD8), the CAR (αCAR), CD4 (αCD4), or CD19 (αCD19). Black arrowheads point at infiltrated lymphocytes, red arrowheads at histiocytes, and the yellow line indicates B-lymphocyte rich zones.
Figure 1(A) Western blot analysis of whole head homogenates from transgenic flies expressing a Myc-tagged PINK1 genomic construct and a UAS-RNAi construct driven by elav-GAL4. The RNAi constructs used were as follows: the non-specific control mCherry-RNAi (Control-R), Lon-RNAi1 (Lon-R1), and Lon-RNAi2 (Lon-R2). An anti-Myc antibody was used to detect PINK1 and an anti-Actin antibody was used as a protein loading control. (B) Densitometry of the PINK1-Myc bands from the indicated genotypes was performed using Fiji software. The PINK1-Myc band intensities were then normalized to their respective Actin loading controls, and these ratios were in turn normalized to the Control-R PINK1/Actin ratio.(C) Western blot analysis of Lon protease (Lon), Mitochondrial transcription factor A (TFAM), Heat shock protein 60 (Hsp60) and Actin in whole head homogenate from control and Lon deficient animals. (D) Quantification of the Lon band intensities from the indicated genotypes performed as described in B. (E) Quantification of the TFAM bands from the indicated genotypes performed as described in B. (F) Quantification of the Hsp60 bands from the indicated genotypes performed as described in B.(G) Flow cytometry analysis of dissociated cells from the brains of flies expressing the indicated RNAi constructs. The graph shows the normalized fluorescence intensity of TMRE, an indicator of mitochondrial membrane potential, relative to age-matched control animals. Fluorescence intensity was normalized to control samples prepared and analyzed on the same day as experimental samples. The mitochondrial membrane potential uncoupling agent CCCP was added to samples of the indicated genotypes to illustrate the effect of mitochondrial depolarization on TMRE signal intensity. All experiments described in this figure were repeated at least three times per genotype. Error bars represent the standard error of the mean (s.e.m.). *p<0.05, **p<0.005 by Student t test.