Journal: iScience

Article Title: Naive and memory CD4 + T cell subsets can contribute to the generation of human Tfh cells

doi: 10.1016/j.isci.2021.103566

Figure Lengend Snippet: Antigenic stimulation of human splenic mononuclear cells mimics the T CD4 + response of GC reaction (A) Splenic mononuclear cells (splenocytes) were stimulated with CytoStim and cultured for 3 days in the presence of cytokines (IL-7, IL-12, activin) (A). CXCR5 and PD-1 expressions among CD4+ T cells were assessed. Representative flow plots showing CXCR5 and PD-1 expression on CD4 + T cells from ex vivo splenocytes and splenocytes cultured for 3, 5, and 10 days (left) and the percentage of Tfh among CD4+ T cells (right). (B) Representative flow plots showing IL-21 production by Tfh (left) and the percentage of IL-21-positive cells among Tfh (right). (C) Representative histogram showing ICOS expression among Tfh (left) and relative expression of ICOS among Tfh (right). (D) Gating strategy allowing the identification of PD-1 neg Tfh, non-GC Tfh, and GC Tfh among total CXCR5 + PD-1 + cells ex vivo or after 3 days of stimulation of splenocytes or PBMCs in polarizing cytokines. (E) Percentage of total CXCR5 + PD-1 + cells including PD-1 neg Tfh, non-GC Tfh, and GC Tfh among CD4 + T cells ex vivo or after 3 days of culture using splenocytes or PBMCs (n = 7–14). (F and G) Mean fluorescence intensity of PD-1 (F) and CXCR5 (G) expression on ex vivo GC Tfh and GC Tfh D3 splenic cells. (H) Representative flow plots showing IL-21 and IFNγ production by non-GC Tfh D3 and GC Tfh D3 cells 3 days after splenocyte stimulation. (I) Percentage of IL-21- and/or IFNγ-positive cells among non-GC Tfh D3 cells and GC Tfh D3 . (J) Gating strategy for analysis of Bcl6 expression in CD4 + T cells and histograms showing Bcl6 mean fluorescence intensity for GC Tfh D3 , non-GC Tfh D3 , and CXCR5 − PD-1 - CD4 + T cell subsets (n = 14). Each symbol represents an individual donor. A Wilcoxon matched pairs test was performed; ∗, p < 0.05; ∗∗, p < 0.005.

Article Snippet: FITC anti-human IFNγ , Miltenyi Biotec , Cat# 130-113-497; RRID:AB_2733587.

Techniques: Cell Culture, Expressing, Ex Vivo, Fluorescence

Journal: iScience

Article Title: Naive and memory CD4 + T cell subsets can contribute to the generation of human Tfh cells

doi: 10.1016/j.isci.2021.103566

Figure Lengend Snippet: Distinct CD4 + T cell subsets contribute to the generation of Tfh with heterogeneous functional profiles (A) Mean fluorescence intensity of the CXCR5 marker expressed by CXCR5 + PD-1 + cells derived from (1) naive, (2) MemPD-1 neg , (3) MemPD-1 neg and Tfh. (B) Frequency of IL-21- and/or IFNγ-positive cells among CXCR5 + PD-1 + cells at day 3. (C – E) Representative flow plots showing CXCR3, ICOS, and CD40L expression by CXCR5 + PD-1 + cells (left panel) and frequency of CXCR3-, ICOS-, and CD40L-positive cells among CXCR5 + PD-1 + cells at day 3 (right panel). (F) Ex vivo cells or their respective Tfh D3 counterparts obtained after 3 days of splenocyte culture were co-cultured with autologous B cells for 7 days. (G) Box plots represent the frequency of CD27 + CD38 + cells among CD19 + cells, the concentration of total immunoglobulins and the absolute number of live B cells after co-culture. (H) Quantification of IgG1, IgG4, and IgA in the co-culture supernatants. Each symbol (A–H) represents an individual donor. (A–H) A Wilcoxon matched pairs test was performed, ∗, p < 0.05; ∗∗, p < 0.005; ∗∗∗, p < 0.001.

Article Snippet: FITC anti-human IFNγ , Miltenyi Biotec , Cat# 130-113-497; RRID:AB_2733587.

Techniques: Functional Assay, Fluorescence, Marker, Derivative Assay, Expressing, Ex Vivo, Cell Culture, Concentration Assay, Co-Culture Assay

Journal: iScience

Article Title: Naive and memory CD4 + T cell subsets can contribute to the generation of human Tfh cells

doi: 10.1016/j.isci.2021.103566

Figure Lengend Snippet:

Article Snippet: FITC anti-human IFNγ , Miltenyi Biotec , Cat# 130-113-497; RRID:AB_2733587.

Techniques: Cell Analysis, Purification, Virus, Recombinant, Blocking Assay, Antibody Labeling, Transfection, Software

Journal: Science Advances

Article Title: Sympathetic nerve aggravates autoimmune skin disease via NE–adrenergic receptor axis: Neuroimmune cross-talk insights from vitiligo

doi: 10.1126/sciadv.aea7017

Figure Lengend Snippet: ( A and B ) Flow cytometry and statistical analysis of CD8 + CD45 + T cells in the mouse tail epidermis and dermis of vehicle, 6-OHDA, and 6-OHDA + NE groups ( n =3 per group). ( C and D ) Flow cytometry and statistical analysis of IFN-γ + CD8 + T cells in the mouse tail epidermis and dermis of vehicle, 6-OHDA, and 6-OHDA + NE groups ( n =3 per group). ( E and F ) Flow cytometry and statistical analysis of Granzyme B + CD8 + T cells in the mouse tail epidermis and dermis of vehicle, 6-OHDA, and 6-OHDA + NE groups ( n =3 per group). ( G ) The secretion levels of CXCL9, CXCL10, IL-6, and IL-15 in the tail skin of mice in the vehicle, 6-OHDA, and 6-OHDA + NE groups were detected by ELISA ( n =4 per group). All vehicle mice were only treated with 0.1% ascorbic acid in 0.9% sterile NaCl. Error bars represent mean ± SD from three independent experiments. * P < 0.05, ** P < 0.01, and *** P < 0.001.

Article Snippet: ELISA analysis on serum samples, skin samples, and cell culture supernatants were performed using the NE ELISA Kit (E-EL-0047c, Elabscience, Wuhan, China), Human CXCL9 ELISA Kit (EHC114.96, Neobioscience Technology Co, Ltd., China), Human CXCL10 ELISA Kit (EHC157.96, Neobioscience Technology Co, Ltd., China), Human IL-6 ELISA Kit (EHC007.96, Neobioscience Technology Co, Ltd., China), Human IL-15 ELISA Kit (EHC013.96, Neobioscience Technology Co, Ltd., China), Mouse CXCL9 ELISA Kit (E-EL-M3077, Elabscience, Wuhan, China), Mouse CXCL10 ELISA Kit (E-EL-M0021, Elabscience, Wuhan, China), Mouse IL-6 ELISA Kit (EMC004.96, Neobioscience Technology Co, Ltd., China), and Mouse IL-15 ELISA Kit (EMC126.96, Neobioscience Technology Co, Ltd., China) following the manufacturer’s instructions.

Techniques: Flow Cytometry, Enzyme-linked Immunosorbent Assay, Sterility

Journal: Science Advances

Article Title: Sympathetic nerve aggravates autoimmune skin disease via NE–adrenergic receptor axis: Neuroimmune cross-talk insights from vitiligo

doi: 10.1126/sciadv.aea7017

Figure Lengend Snippet: ( A ) Volcano plots illustrated the expression of adrenergic receptors on fibroblasts in human skin, including ADRA1A, ADRA1B, ADRA1D, ADRA2A, ADRA2B, ADRA2C, ADRB1, ADRB2, and ADRB3. ( B ) Bubble map illustrated the up-regulation of ADRA2A expression on fibroblasts in the lesional skin of patients with vitiligo and the normal skin of healthy controls. ( C ) Representative immunofluorescence images of fibroblasts, ADRA2A, CXCL9, CXCL10, and CD8 + T cells from the normal skin of the healthy control and the lesional skin of the patient with vitiligo ( n =3 per group). Nuclei were counterstained with DAPI (blue). Scale bars, 50 μm. ( D ) Immunofluorescence analysis of ADRA2A (red) expression in BJ cells after treatment with 5 μM NE for 48 hours. Cell nuclei were stained with DAPI (blue). Scale bar, 50 μm. ( E ) Secretion levels of CXCL9, CXCL10, IL-6, and IL-15 in BJ cells were detected by ELISA with treatment with aposcopolamine (Apos) or NE ( n =3 per group). ( F ) Secretion levels of CXCL9, CXCL10, IL-6, and IL-15 in BJ cells with ADRA2A siRNA or control siRNA were detected by ELISA ( n =3 per group). Error bars represent mean ± SD from three independent experiments. * P < 0.05, ** P < 0.01, and *** P < 0.001; ns, not significant.

Article Snippet: ELISA analysis on serum samples, skin samples, and cell culture supernatants were performed using the NE ELISA Kit (E-EL-0047c, Elabscience, Wuhan, China), Human CXCL9 ELISA Kit (EHC114.96, Neobioscience Technology Co, Ltd., China), Human CXCL10 ELISA Kit (EHC157.96, Neobioscience Technology Co, Ltd., China), Human IL-6 ELISA Kit (EHC007.96, Neobioscience Technology Co, Ltd., China), Human IL-15 ELISA Kit (EHC013.96, Neobioscience Technology Co, Ltd., China), Mouse CXCL9 ELISA Kit (E-EL-M3077, Elabscience, Wuhan, China), Mouse CXCL10 ELISA Kit (E-EL-M0021, Elabscience, Wuhan, China), Mouse IL-6 ELISA Kit (EMC004.96, Neobioscience Technology Co, Ltd., China), and Mouse IL-15 ELISA Kit (EMC126.96, Neobioscience Technology Co, Ltd., China) following the manufacturer’s instructions.

Techniques: Expressing, Immunofluorescence, Control, Staining, Enzyme-linked Immunosorbent Assay

Journal: Science Advances

Article Title: Sympathetic nerve aggravates autoimmune skin disease via NE–adrenergic receptor axis: Neuroimmune cross-talk insights from vitiligo

doi: 10.1126/sciadv.aea7017

Figure Lengend Snippet: ( A ) Volcano plots illustrated the expression of adrenergic receptors on keratinocytes in human skin, including ADRA1A, ADRA1B, ADRA1D, ADRA2A, ADRA2B, ADRA2C, ADRB1, ADRB2, and ADRB3. ( B ) Bubble map illustrated the up-regulation of ADRB2 expression on keratinocytes in the lesional skin of patients with vitiligo and the normal skin of healthy controls. ( C ) Representative immunofluorescence images of keratinocytes, ADRB2, CXCL9, CXCL10, and CD8 + T cells from the normal skin of the healthy control and the lesional skin of the patient with vitiligo ( n =3 per group). Nuclei were counterstained with DAPI (blue). Scale bars, 50 μm. ( D ) Immunofluorescence analysis of ADRB2 (red) expression in keratinocytes after treatment with 5 μM NE for 48 hours. Cell nuclei were stained with DAPI (blue). Scale bar, 50 μm. ( E ) Secretion levels of CXCL9, CXCL10, IL-6, and IL-15 in keratinocytes were detected by ELISA with treatment with NE or ICI ( n =3 per group). ( F ) Secretion levels of CXCL9, CXCL10, IL-6, and IL-15 in keratinocytes with ADRB2 siRNA or control siRNA were detected by ELISA ( n =3 per group). Error bars represent mean ± SD from three independent experiments. * P < 0.05, ** P < 0.01, and *** P < 0.001; ns, not significant.

Article Snippet: ELISA analysis on serum samples, skin samples, and cell culture supernatants were performed using the NE ELISA Kit (E-EL-0047c, Elabscience, Wuhan, China), Human CXCL9 ELISA Kit (EHC114.96, Neobioscience Technology Co, Ltd., China), Human CXCL10 ELISA Kit (EHC157.96, Neobioscience Technology Co, Ltd., China), Human IL-6 ELISA Kit (EHC007.96, Neobioscience Technology Co, Ltd., China), Human IL-15 ELISA Kit (EHC013.96, Neobioscience Technology Co, Ltd., China), Mouse CXCL9 ELISA Kit (E-EL-M3077, Elabscience, Wuhan, China), Mouse CXCL10 ELISA Kit (E-EL-M0021, Elabscience, Wuhan, China), Mouse IL-6 ELISA Kit (EMC004.96, Neobioscience Technology Co, Ltd., China), and Mouse IL-15 ELISA Kit (EMC126.96, Neobioscience Technology Co, Ltd., China) following the manufacturer’s instructions.

Techniques: Expressing, Immunofluorescence, Control, Staining, Enzyme-linked Immunosorbent Assay

Journal: Journal of Experimental & Clinical Cancer Research : CR

Article Title: Cyclin G2 in macrophages triggers CTL-mediated antitumor immunity and antiangiogenesis via interferon-gamma

doi: 10.1186/s13046-022-02564-2

Figure Lengend Snippet: Cyclin G2 in macrophages regulates CTL chemotaxis and vascular endothelial cell tube formation via CXCL9. A CXCL9 levels in the supernatants of BMDMs from WT and Ccng2 −/− C57BL/6 mice treated with IFN-γ were determined by ELISA (representing 3 independent experiments). B , C CXCL9 levels in the supernatants of THP-1 stable cell lines (Nonsense, shcyclin G2#1, and shcyclin G2#2 and Vector and Flag-cyclin G2) treated with IFN-γ were determined by ELISA (representing 3 independent experiments). D , E CTL chemotaxis analyzed by treating conditioned medium from BMDMs isolated from WT and Ccng2 −/− C57BL/6 mice treated with or without recombinant CXCL9. Scale bar = 200 μm (representing 3 independent experiments). F Tube formation experiments showed the tube formation ability of SVEC4–10 cells treated with conditioned medium from BMDMs isolated from Ccng2 −/− C57BL/6 mice. The recombinant CXCL9 was added or not added to the conditioned medium. Scale bar = 500 μm (representing 3 independent experiments). G Tube formation experiments showed the tube formation ability of HUVECs treated with conditioned medium from a THP-1 stable cell line (shcyclin G2#1). The recombinant CXCL9 was added or not added to the conditioned medium. Scale bar = 200 μm (representing 3 independent experiments). (A–C, E–G) Data were analyzed with the unpaired Student’s t-test. Data are presented as the mean ± SD ** p < 0.01; *** p < 0.001; ns , not significant

Article Snippet: Cell culture supernatants were collected, and human and mouse CXCL9 levels in the supernatants were quantified using the human and mouse CXCL9 Enzyme-Linked Immunosorbent Assay (ELISA) Kits (E-EL-H6062 and E-EL-M0020c, Elabscience), respectively.

Techniques: Chemotaxis Assay, Enzyme-linked Immunosorbent Assay, Stable Transfection, Plasmid Preparation, Isolation, Recombinant

Journal: bioRxiv

Article Title: CD11c+ Tbet+ B cells constrain obesity- and vaccination-induced germinal center B cells and T helper cells

doi: 10.1101/2025.09.01.673552

Figure Lengend Snippet: Representative flow cytometry contour plots of PD-1 x CXCR5 expression within CD25-CD4+ T cells isolated from NCD (left) and HFD (right) mouse spleen (top) and liver (bottom) ( A ). Blue gates represent PD-1 HI CXCR5+ cells, yellow gates represent PD-1 HI CXCR5-cells, and black gates represent PD-1-cells ( A ). Frequency and absolute number of PD-1 HI CXCR5+ T FH cells ( B , blue), or PD-1 HI CXCR5-T PH cells ( C , yellow) within the CD25-CD4+ T cell compartments of spleen (top) and liver (bottom) of NCD (grey) and HFD (blue/yellow) mice. Quantification of Bcl-6 ( D ), ICOS ( E ), and T-bet ( F ) protein expression (gMFI) in splenic (left) or hepatic (right) CD25-CD4+ T cell subsets. Representative flow cytometry contour plots depicting relative expression of IL-21 and IFNg by PD-1 HI CXCR5+ T FH cells or PD-1 HI CXCR5-T PH cells from spleen (top) or liver (bottom) that are also CXCR3+ (blue/red) or CXCR3-(black) ( G ). Summary of frequency of IL-21 ( H,J; left) or IFNg ( I,K ; right) producing CD4+ PD-1 HI CXCR5+ T FH (blue) or PD-1 HI CXCR5-T PH (red) cells categorized by CXCR3+ expression as noted in spleen ( H, I ) or liver ( J,K ) from HFD-fed mice. Data pooled from 2 independent experiments with 4 female mice/group, Bar ± SEM; [ Student’s t-test (two-tailed) (B,C); one-way ANOVA (D-F; H-K)]; *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001

Article Snippet: C57BL/6J WT female mice were injected IP with 0.25 mg of anti-mouse CXCR3 (CD183) and anti-mouse CXCL9 (MIG) or hamster IgG (BioXCell) every other day for 14 days after completing 12 weeks on HFD.

Techniques: Flow Cytometry, Expressing, Isolation, Two Tailed Test