Journal: Scientific reports

Article Title: Disordered metabolism in mice lacking irisin.

doi: 10.1038/s41598-020-74588-7

Figure Lengend Snippet: Figure 6. Increased bone resorption in irisin lacking mice. (A, B) Sections of the distal shaft of the femur were stained with osteoprotegerin (OPG) (1:60) and receptor activator of nuclear factor-kB ligand (RANKL) (1:80) antibodies. Positive (black arrows) osteoblasts are shown, 200×. (C) Representative images of the distal metaphyseal region of the femur, together with cell counts (osteoclasts) per bone perimeter (Bpm). Red arrows, tartrate-resistant acid phosphatase (TRAP)-positive osteoclasts, 100×, (NIS-Elements Viewer, v4.2.0; https:// www.downza.cn/soft/2751-21.html); (D) serum levels of osteocalcin TRAP (with three replicates). (Graphpad Prism, v7.0, https://www.xue51.com/soft/3932.html). Data are presented as the mean ± SEM (n = 15 per group). *P < 0.05, **P < 0.01 compared to the WT group.

Article Snippet: The enzyme-linked immunosorbent assay (ELISA) kit for osteocalcin (OCN) (E06917m), Alkaline Phosphatase (ALP) (E0200m), and Tartrate-resistant acid phosphatase (TRAP) (E08492m) were purchased from Elabscience (Wuhan, China).

Techniques: Staining

Journal: Nature Communications

Article Title: Kinesin-1 regulates antigen cross-presentation through the scission of tubulations from early endosomes in dendritic cells

doi: 10.1038/s41467-020-15692-0

Figure Lengend Snippet: a Relative quantification of Kif5a, Kif5b and Kif5c transcripts by real-time PCR in CD8α + and CD11b + DCs and BMDCs from WT or cKO Kif5b mice. Transcript levels for each sample are expressed relative to Kif5b. Graph shows mean ± S.E.M. ( n = 3). b Contour plots of DCs from the spleen of either WT or cKO Kif5b mice pregated on CD19 − , Gr − , F4/80 − CD11c + , and IA/IE + . The data are representative of three independent experiments. c Absolute numbers of CD11b + DCs and CD8α + DCs in the spleen of WT (blue circles) and cKO Kif5b (red squares) mice. The data are representative of five independent experiments. d – g The efficiency of cross-presentation of different concentration of sOVA and the presentation of OVA peptide SIINFEKL in vitro by CD8α + DCs ( d , g ), CD11b + DCs ( e , g ) and BMDCs ( f , g ) from WT (blue histogram or line) or cKO Kif5b (red histogram or line) mice was measured as IL-2 secretion by OT-I T cells after 16 h of co-culture. Graph shows mean ± S.E.M. ( n = 4). Statistical significance was determined by the two-way ANOVA and Sidak test’s correction for multiple comparison. * P < 0.05; ** P < 0.005; *** P < 0.0001.

Article Snippet: Anti-CD11c (BV711 (BioLegend), APC (BD Biosciences) PB (Sony)), anti-IA/IE FITC (BD Biosciences), anti-CD8α BV450 (Sony), anti-CD11b (PE (BD Biosciences), APC-CY7 (Sony)), anti-F4/80 PE/Cy7 (Sony), anti-GR1 APC (BD Biosciences), anti-CD19 (PerCP (BD Biosciences), PerCP/Cy5.5 (Sony)), anti-B220 BV650 (BioLegend), anti-CD86 BV650 (Sony), anti-CD40 PE/Cy7 (Sony), mouse monoclonal Kif5b antibody (Biolegend), purified rabbit anti-α-tubulin (Rockland), goat anti-EEA1 antibody (Santa Cruz Biotechnology), rat anti-Lamp1 antibody (Invitrogen), H-2Kb PE antibody (Biolegend), AF6-88.5 clone (Biolegend), rabbit Rab11 antibody (Life Technologies), anti-CD71 PE antibody (Sony), Alexa Fluor-594 donkey anti-rat IgG (H+L) (Life Technologies), Alexa Fluor-555 donkey anti-goat IgG (H+L) (Life Technologies), Alexa Fluor-488 donkey anti-mouse IgG (H+L) (Life Technologies), and Alexa Fluor-555 donkey anti-rabbit IgG (H+L) (Life Technologies) were used.

Techniques: Quantitative Proteomics, Real-time Polymerase Chain Reaction, Concentration Assay, In Vitro, Co-Culture Assay, Comparison

Journal: Nature Communications

Article Title: Kinesin-1 regulates antigen cross-presentation through the scission of tubulations from early endosomes in dendritic cells

doi: 10.1038/s41467-020-15692-0

Figure Lengend Snippet: a Tumour growth curves for WT (blue line) or cKO Kif5b (orange line) mice injected subcutaneously with B16-OVA cells and adoptively transferred with OT-I T cells (WT purple line, cKO Kif5b yellow line). Tumour growth was monitored daily, and non-survival was defined as ulceration of the tumour or a mean tumour diameter of 15 mm. The data are quoted as the mean ± SEM from two independent experiments (WT, WT OT1, cKO Kif5b n = 10 mice per group, cKO Kif5b OT1 n = 9 mice). Statistical significance was determined by the two-way ANOVA and Sidak test’s correction for multiple comparison. * P < 0.05; ** P < 0.005; *** P < 0.0001. b Survival curves for WT or cKO Kif5b mice, treated as in a . Statistical significance was determined by the log-rank test and by the Gehan–Breslow–Wilcoxon test. * P < 0.05; ** P < 0.005. c Mice were injected with Violet-labelled transgenic OT-I T cells and primed 1 day later with CD11c/P3UOVA (WT blue line or circles, cKO Kif5b red line or circles; WT mice n = 7, cKO Kif5b mice n = 7). The left panel shows representative profiles gated on CD8 + , TCR Vα2 + cells. Statistical analysis of the division index is shown in the right panel: ** P < 0.005 in a two-tailed unpaired Student’s t test. Graph shows mean ± S.E.M.

Article Snippet: Anti-CD11c (BV711 (BioLegend), APC (BD Biosciences) PB (Sony)), anti-IA/IE FITC (BD Biosciences), anti-CD8α BV450 (Sony), anti-CD11b (PE (BD Biosciences), APC-CY7 (Sony)), anti-F4/80 PE/Cy7 (Sony), anti-GR1 APC (BD Biosciences), anti-CD19 (PerCP (BD Biosciences), PerCP/Cy5.5 (Sony)), anti-B220 BV650 (BioLegend), anti-CD86 BV650 (Sony), anti-CD40 PE/Cy7 (Sony), mouse monoclonal Kif5b antibody (Biolegend), purified rabbit anti-α-tubulin (Rockland), goat anti-EEA1 antibody (Santa Cruz Biotechnology), rat anti-Lamp1 antibody (Invitrogen), H-2Kb PE antibody (Biolegend), AF6-88.5 clone (Biolegend), rabbit Rab11 antibody (Life Technologies), anti-CD71 PE antibody (Sony), Alexa Fluor-594 donkey anti-rat IgG (H+L) (Life Technologies), Alexa Fluor-555 donkey anti-goat IgG (H+L) (Life Technologies), Alexa Fluor-488 donkey anti-mouse IgG (H+L) (Life Technologies), and Alexa Fluor-555 donkey anti-rabbit IgG (H+L) (Life Technologies) were used.

Techniques: Injection, Comparison, Transgenic Assay, Two Tailed Test

Journal: Nature Communications

Article Title: Kinesin-1 regulates antigen cross-presentation through the scission of tubulations from early endosomes in dendritic cells

doi: 10.1038/s41467-020-15692-0

Figure Lengend Snippet: a CD8α + , CD11b + DCs and BMDCs from WT (blue histogram) or cKO Kif5b (red histogram) mice were incubated for 10, 30 or 60 min at 37 °C or for 10 min at 4 °C with Alexa-Flour-647-OVA prior to flow cytometry analysis. The figure shows a histogram that was representative of three independent experiments. b CD8α + , CD11b + DCs and BMDCs from WT (blue line) or cKO Kif5b (red line) mice were incubated for 30 min at 37 °C with DQ-OVA. Next, the cells were washed. DQ-OVA degradation was analysed by flow cytometry after different chase periods. Graphs are representative of four independent experiments. Statistical significance was determined by the two-way ANOVA and Sidak test’s correction for multiple comparison. *** P < 0.0001. c Degradation of DQ-OVA in BMDCs from WT (DMSO blue line, Conc-A or Cath I purple line) or cKO Kif5b (DMSO orange line, Conc-A or Cath I yellow line) mice pretreated or not with concanamycin A (Conc-A) or a cathepsin inhibitor-I (Cath I). Graphs are representative of four independent experiments. Statistical significance was determined by the two-way ANOVA and Sidak test’s correction for multiple comparison. ** P < 0.005; *** P < 0.0001. d The pH values in CD8α + , CD11b + DCs and BMDCs from WT (blue line) or cKO Kif5b (red line) mice were determined by FACS after a pulse and different chase periods. Graphs are representative of four independent experiments. Statistical significance was determined by the two-way ANOVA and Sidak test’s correction for multiple comparison. * P < 0.05; ** P < 0.005; *** P < 0.0001. e Protease activity of CatB/L in early (20 min) or late (120 min) using total cell lysate from BMDCs from WT (blue histogram) or cKO Kif5b (red histogram) mice was measured with a specific fluorescent substrate. Graphs are representative of three independent experiments. Statistical significance was determined by the two-way ANOVA and Sidak test’s correction for multiple comparison. *** P < 0.0001. a – e Graphs show mean ± S.E.M.

Article Snippet: Anti-CD11c (BV711 (BioLegend), APC (BD Biosciences) PB (Sony)), anti-IA/IE FITC (BD Biosciences), anti-CD8α BV450 (Sony), anti-CD11b (PE (BD Biosciences), APC-CY7 (Sony)), anti-F4/80 PE/Cy7 (Sony), anti-GR1 APC (BD Biosciences), anti-CD19 (PerCP (BD Biosciences), PerCP/Cy5.5 (Sony)), anti-B220 BV650 (BioLegend), anti-CD86 BV650 (Sony), anti-CD40 PE/Cy7 (Sony), mouse monoclonal Kif5b antibody (Biolegend), purified rabbit anti-α-tubulin (Rockland), goat anti-EEA1 antibody (Santa Cruz Biotechnology), rat anti-Lamp1 antibody (Invitrogen), H-2Kb PE antibody (Biolegend), AF6-88.5 clone (Biolegend), rabbit Rab11 antibody (Life Technologies), anti-CD71 PE antibody (Sony), Alexa Fluor-594 donkey anti-rat IgG (H+L) (Life Technologies), Alexa Fluor-555 donkey anti-goat IgG (H+L) (Life Technologies), Alexa Fluor-488 donkey anti-mouse IgG (H+L) (Life Technologies), and Alexa Fluor-555 donkey anti-rabbit IgG (H+L) (Life Technologies) were used.

Techniques: Incubation, Flow Cytometry, Comparison, Activity Assay

Journal: Nature Communications

Article Title: Kinesin-1 regulates antigen cross-presentation through the scission of tubulations from early endosomes in dendritic cells

doi: 10.1038/s41467-020-15692-0

Figure Lengend Snippet: BMDCs from WT or cKO Kif5b mice were incubated for 15, 30 or 60 min with Alexa-Flour-647-OVA and then plated on glass coverslips. The cells were fixed, permeabilized and stained with anti-EEA1, anti-Lamp1 or anti-Rab11 antibodies. The left panel shown representative images for the 15 min time point observed in three independent experiments. Bars: 5 μm. n = 32 cells per condition. Statistical significance (shown in the right panel; WT blue circle, cKO Kif5b red square) was determined by the two-way ANOVA and Sidak test’s correction for multiple comparison. ** P < 0.005; *** P < 0.0001. Graphs show mean ± S.E.M.

Article Snippet: Anti-CD11c (BV711 (BioLegend), APC (BD Biosciences) PB (Sony)), anti-IA/IE FITC (BD Biosciences), anti-CD8α BV450 (Sony), anti-CD11b (PE (BD Biosciences), APC-CY7 (Sony)), anti-F4/80 PE/Cy7 (Sony), anti-GR1 APC (BD Biosciences), anti-CD19 (PerCP (BD Biosciences), PerCP/Cy5.5 (Sony)), anti-B220 BV650 (BioLegend), anti-CD86 BV650 (Sony), anti-CD40 PE/Cy7 (Sony), mouse monoclonal Kif5b antibody (Biolegend), purified rabbit anti-α-tubulin (Rockland), goat anti-EEA1 antibody (Santa Cruz Biotechnology), rat anti-Lamp1 antibody (Invitrogen), H-2Kb PE antibody (Biolegend), AF6-88.5 clone (Biolegend), rabbit Rab11 antibody (Life Technologies), anti-CD71 PE antibody (Sony), Alexa Fluor-594 donkey anti-rat IgG (H+L) (Life Technologies), Alexa Fluor-555 donkey anti-goat IgG (H+L) (Life Technologies), Alexa Fluor-488 donkey anti-mouse IgG (H+L) (Life Technologies), and Alexa Fluor-555 donkey anti-rabbit IgG (H+L) (Life Technologies) were used.

Techniques: Incubation, Staining, Comparison

Journal: Nature Communications

Article Title: Kinesin-1 regulates antigen cross-presentation through the scission of tubulations from early endosomes in dendritic cells

doi: 10.1038/s41467-020-15692-0

Figure Lengend Snippet: a CD8α + , CD11b + DCs and BMDCs from WT (blue line) or cKO Kif5b (red line) mice were labelled for H-2K b and analysed using FACS. The figure shows a FACS histogram that was representative of three independent experiments. b MHC-I recycling ability in CD8α + , CD11b + DCs and BMDCs from WT (blue line) or cKO Kif5b (red line) mice was measured using FACS at the indicated time points. Statistical significance was determined by the two-way ANOVA and Sidak test’s correction for multiple comparison. ** P < 0.005; *** P < 0.0001. c TrfR (CD71) recycling ability was measured using FACS at the indicated time periods in CD8α + , CD11b + DCs and BMDCs from WT or cKO kif5b mice. Statistical analysis: * P < 0.05; ** P < 0.005; *** P < 0.0001 in the two-way ANOVA and Sidak test’s correction for multiple comparison. d MHC-I recycling in the presence of primaquine in BMDCs from WT or cKO Kif5b mice was measured using FACS at the indicated time points. Statistical analysis: ** P < 0.005; in the two-way ANOVA and Sidak test’s correction for multiple comparison. b – d Graphs are representative of four independent experiments. e BMDCs from WT or cKO kif5b mice were plated on glass coverslips and were fixed, permeabilized and stained with anti-EEA1, anti-Rab11 or anti-MHC-I antibodies. Representative images are shown in the left panel observed in three independent experiments. ( n = 33 cells per condition upper panel, n = 29 cells per condition lower panel) Bars: 5 μm. Statistical analysis (shown in the right panel; WT blue circle, cKO Kif5b red square): ** P < 0.005; *** P < 0.0001 in an two-tailed unpaired Student’s t test. b – e Graphs show mean ± S.E.M.

Article Snippet: Anti-CD11c (BV711 (BioLegend), APC (BD Biosciences) PB (Sony)), anti-IA/IE FITC (BD Biosciences), anti-CD8α BV450 (Sony), anti-CD11b (PE (BD Biosciences), APC-CY7 (Sony)), anti-F4/80 PE/Cy7 (Sony), anti-GR1 APC (BD Biosciences), anti-CD19 (PerCP (BD Biosciences), PerCP/Cy5.5 (Sony)), anti-B220 BV650 (BioLegend), anti-CD86 BV650 (Sony), anti-CD40 PE/Cy7 (Sony), mouse monoclonal Kif5b antibody (Biolegend), purified rabbit anti-α-tubulin (Rockland), goat anti-EEA1 antibody (Santa Cruz Biotechnology), rat anti-Lamp1 antibody (Invitrogen), H-2Kb PE antibody (Biolegend), AF6-88.5 clone (Biolegend), rabbit Rab11 antibody (Life Technologies), anti-CD71 PE antibody (Sony), Alexa Fluor-594 donkey anti-rat IgG (H+L) (Life Technologies), Alexa Fluor-555 donkey anti-goat IgG (H+L) (Life Technologies), Alexa Fluor-488 donkey anti-mouse IgG (H+L) (Life Technologies), and Alexa Fluor-555 donkey anti-rabbit IgG (H+L) (Life Technologies) were used.

Techniques: Comparison, Staining, Two Tailed Test

Journal: Nature Communications

Article Title: Kinesin-1 regulates antigen cross-presentation through the scission of tubulations from early endosomes in dendritic cells

doi: 10.1038/s41467-020-15692-0

Figure Lengend Snippet: a Confocal microscopy of BMDCs from WT or cKO Kif5b mice stained with anti-tubulin and anti-Kif5b. Bars: 5 μm. The indicated box is shown at a higher magnification in the inset. Bars: 2 μm. b Confocal microscopy of WT BMDCs stained with anti-EEA1 and anti-Kif5b. The intersection between the two stainings is shown in white. The indicated boxes are shown at higher magnification in the insets. Bars: 2 μm. c A schematic representation of early endosome WGA labelling. d WT and cKO Kif5b BMDCs were labelled with WGA-488 and stained with anti-EEA1. Bars: 2 μm (left panel). Quantification of the colocalization between WGA-488 and EEA1-555 (right panel; WT blue histogram, cKO Kif5b red histogram; n = 7 cells per condition). All images of single cells are representative of >100 cells observed in three independent experiments ( a – d ). e Spinning disk video microscopy was performed on WT and cKO Kif5b BMDCs labelled with WGA-488. Representative series of images are shown every 25 s. Bars: 2 μm. Images are representative of four independent experiments. See also Supplementary Movies and . f The number of tubulations unable to detach per cell during the 5 min acquisition. (WT blue circles, cKO Kif5b red squares; n = 20 cells per condition). Statistical analysis: *** P < 0.0001 in a two-tailed unpaired Student’s t test. g The number of WGA-488-positive vesicular structures >1 μm in size was measured in WT (blue line) and cKO Kif5b (red line) BMDCs during the 5 min acquisition ( n = 13 cells per condition). Statistical analysis: *** P < 0.0001 in a two-way ANOVA and Sidak test’s correction for multiple comparison. h Schematic representation of the WGA labelling protocol (upper panel). Spinning disk video microscopy was performed on WT and cKO Kif5b BMDCs labelled with WGA-555 and WGA-488. Representative series of images observed in three independent experiments are shown at the indicated time periods (lower panel). Bars: 2 μm. i n = 10 cells per condition. Statistical analysis of the experiment in (WT blue histogram, cKO Kif5b red histogram) ( h ); *** P < 0.0001 in a two-way ANOVA and Sidak test’s correction for multiple comparison. d – i Graphs show mean ± S.E.M.

Article Snippet: Anti-CD11c (BV711 (BioLegend), APC (BD Biosciences) PB (Sony)), anti-IA/IE FITC (BD Biosciences), anti-CD8α BV450 (Sony), anti-CD11b (PE (BD Biosciences), APC-CY7 (Sony)), anti-F4/80 PE/Cy7 (Sony), anti-GR1 APC (BD Biosciences), anti-CD19 (PerCP (BD Biosciences), PerCP/Cy5.5 (Sony)), anti-B220 BV650 (BioLegend), anti-CD86 BV650 (Sony), anti-CD40 PE/Cy7 (Sony), mouse monoclonal Kif5b antibody (Biolegend), purified rabbit anti-α-tubulin (Rockland), goat anti-EEA1 antibody (Santa Cruz Biotechnology), rat anti-Lamp1 antibody (Invitrogen), H-2Kb PE antibody (Biolegend), AF6-88.5 clone (Biolegend), rabbit Rab11 antibody (Life Technologies), anti-CD71 PE antibody (Sony), Alexa Fluor-594 donkey anti-rat IgG (H+L) (Life Technologies), Alexa Fluor-555 donkey anti-goat IgG (H+L) (Life Technologies), Alexa Fluor-488 donkey anti-mouse IgG (H+L) (Life Technologies), and Alexa Fluor-555 donkey anti-rabbit IgG (H+L) (Life Technologies) were used.

Techniques: Confocal Microscopy, Staining, Microscopy, Two Tailed Test, Comparison