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17 protocols using anti t bet

1

Intracellular Cytokine and Phospho-flow Analysis

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For intracellular cytokine staining, murine cells were restimulated after 72 h of culture with PMA (50 ng ml−1), Ionomycin (1 µg ml−1, both from Sigma-Aldrich) and brefeldin A (5 µg ml−1; Biolegend) for 4 h and fixed with 2% para-formaldehyde. Staining of transcription factors was performed without restimulation using the FOXP3/Fixation-Kit (eBioscience, 00–5521–00). Following antibodies were used for murine cell-analysis: anti-CD8a (eBiosciences, 53–6.7), anti-CD44 (eBiosciences, IM7), anti-CD62L (eBiosciences, MEL-14), anti-IFN-y (Biolegend, XMG1.2), anti-IL-17A (eBiosciences, eBio17B7), anti-RORyt (eBiosciences, B2D) or anti-T-BET (eBiosciences, eBio4B10). The cells were measured on FACSCalibur or FACSAria™ III (both BD) and analyzed with FlowJo Software (FlowJo LLC). For phospho-flow the cells were harvested after 48 h of culture, rested for 4 h and treated with 100U/ml rhIL-2 for 2 h, fixed and permeabilised using Lyse/Fix-Buffer (557870, BD) and Perm-BufferIII (558050, BD) then stained with anti-P-STAT5Y694 (eBiosciences, SRBCZX), anti-P-AKTS473 (Cell Signaling, D9E), anti-P-AKTY308 (Cell Signaling, D25E6), anti-P-FOXO1/3a (Cell Signaling, #9464) or anti-P-S6S235/236 (Cell Signaling, D57.2.2E).
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2

Profiling Lung Tissue Protein Expression

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The proteins of the lung tissues in mice were extracted for Western blot analysis as described previously.20 Rat monoclonal antibodies of anti‐T‐bet (eBioscience) (1:250 dilution), anti‐GATA‐3 (Cell Signaling Technology) (1:1000 dilution), anti‐RORγ(t) (eBioscience) (1:100 dilution) and GAPDH (Cell Signaling Technology) (1:1000 dilution) were used as the primary antibodies. HRP‐conjugated anti‐rat IgG (Beyotime Biotechnology) was also utilized. ECL chemiluminescence kit was used for chemiluminescent detection followed by image analysis.
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3

Multiparametric Flow Cytometry Analysis of Immune Cell Phenotypes

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The following antibodies were used: anti-mouse TCR-β (H57-597) APC or Pacific Blue, PBS57 loaded CD1d tetramer APC or Pacific Blue, anti-mouse CD4 (GK1.5) PerCp-Cy5.5, anti-mouse CD8 (53-6.7) Am-cyan, anti-mouse NK1.1 (PK-136) PE-Cy7, anti-mouse CD44 (IM7) PerCp-Cy5.5, anti-mouse CD69 (H1-2F3) PE-Cy7, anti-mouse CD62L (MEL-14) eVolve605, anti-mouse IFN-γ (XMG1.2) FITC or APC, anti-mouse IL-4 (11B11) PE-Cy7, anti-mouse IL-17 (TC11-18H10) APC-eFluor780, anti-T-bet (eBio4B10) FITC, anti-RORγt (AFKJS-9) Pacific Blue, anti-GATA3 (L50-823) APC, and anti-PLZF (Mags-21F7) PE (all from eBioscience). Dead cells were excluded by staining with 1 µg/ml propidium iodide (Sigma-Aldrich). To measure intracellular cytokines, cells were stimulated for 5 hours with phorbol 12-myristate 13-acetate (PMA) (50 ng/ml, Sigma-Aldrich) and ionomycin (1.5 µM, Sigma-Aldrich) in the presence of Monensin (3 µM, Sigma-Aldrich), permeabilized using Cytofix/Cytoperm Plus (BD), then stained with the appropriate antibodies. Transcription factor staining to identify committed cells was performed using the Foxp3/transcription factor staining kit (eBioscience) and intranuclear staining for T-bet, RORγt, GATA3 and PLZF. Data were acquired on a FACS Canto II (BD) and analyzed using FlowJo (TreeStar software ver. 9.9).
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4

Multiparametric Flow Cytometry of T-Cells

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Five replicates of splenocytes (105) were plated in 200 µl of medium supplemented with 0.05 µg/ml PMA (Sigma-Aldrich), 0.001 µg/ml ionomycin calcium salt (Sigma-Aldrich) and 0.2 µl BD GolgiPlug (brefeldin A, BD Pharmingen). As control, the cells were stimulated with PMA and Ionomycin without GolgiPlug. After 4 h of incubation at 37°C and 5% CO2, 100 µl of the supernatant was frozen at −20°C for ELISA. The cells were first stained with anti-CD8α and anti-CD4 before following the instruction for cytokines’ intracellular staining with a mix of anti-IL-2, anti-IL-4, anti-IL-10, anti-IL-17, anti-IL-22 and anti-IFN-γ, or intracellular staining for transcription factors with a mix of anti-Foxp3, anti-T-bet, anti-ROR-γt and anti-Gata-3 (eBioscience). The staining of intracellular cytokines and enzymes of CD8+ T-cells was done with a mix of anti-IL-2, anti-IFN-γ, anti-granzyme B and anti-perforin (reagents and isotypes from eBioscience). For FACS analysis, cells were resuspended in 50 µl PBS (1x).
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5

Immunophenotyping of T-cell subsets

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FACS staining was conducted as described29 (link) using the following antibodies: anti-mouse CD4 (L3T4, BD), anti-mouse TCR (553169, BD), anti-FoxP3 (17–5773–82, eBioscience), anti-T-bet (25–5825–82, eBioscience), anti-RORγt (17–6981–82, eBioscience), anti-CD69 (15–0691–82, eBioscience), pZAP-70 (557817, BD), anti-Ki-67 (612472, BD), and anti-ADAM12 7B8 (in-house).
Cells were acquired using FACSDiva after the exclusion of duplets. Dead cells were discriminated in all stains using the LIVE/DEAD Fixable Dead Cell Stain Kit at 405-nm excitation (L34955, Invitrogen). FlowJo 10.5.3 (Flowjo, LLC) was used for further analysis.
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6

Multiparametric Flow Cytometry Immune Profiling

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Cell suspensions were stained with: anti-CD45 (30-F11); anti-CD45.1 (A20); anti-CD45.2 (104); anti-CD11c (N418); anti-CD11b (Mi/70); anti-CD127 (IL7Rα; A7R34); anti-CD27(LG.7F9); anti-CD8α (53-6.7); anti-CD19 (eBio1D3); anti-CXCR4(L276F12); anti-NK1.1 (PK136); anti-CD3ε (eBio500A2); anti-TER119 (TER-119); anti-Gr1 (RB6-8C5); anti-CD4 (RM4-5); anti-CD25 (PC61); anti-CD117 (c-Kit; 2B8); anti-CD90.2 (Thy1.2; 53-2.1); anti-TCRβ (H57-595); anti-TCRγδ (GL3); anti-B220 (RA3-6B2); anti-KLRG1 (2F1/KLRG1); anti-Ly-6A/E (Sca1; D7); anti-CCR9 (CW-1.2); anti-IL-17 (TC11-18H10.1); anti-rat IgG1k isotype control (RTK2071); anti-streptavidin fluorochrome conjugates from Biolegend; anti-α4β7 (DATK32); anti-Flt3 (A2F10); anti-NKp46 (29A1.4); anti-CD49b (DX5); anti-Ki67 (SolA15); anti-rat IgG2ak isotype control (eBR2a); anti-IL-22 (1H8PWSR); anti-rat IgG1k isotype control (eBRG1); anti-EOMES (Dan11mag); anti-Tbet (eBio4B10); anti-FOPX3 (FJK-16s); anti-GATA3 (TWAJ); anti-CD16/CD32 (93); 7AAD viability dye from eBiosciences; anti-CD196 (CCR6; 140706) from BD Biosciences; anti-RORγt (Q31-378) and anti-mouse IgG2ak isotype control (G155-178) from BD Pharmingen. LIVE/DEAD Fixable Aqua Dead Cell Stain Kit was purchased from Invitrogen.
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7

Multiparametric Profiling of T Cell Subsets

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eFluor660-anti–IL-21, Alexa Fluor 488–anti–IL-10, PerCP-Cy5.5-anti–IFN-γ, FITC-anti-CD45RA, PE-anti-ICOS, and anti-Tbet, and biotin–PD-1 were from eBioscience. Alexa Fluor 488–anti-GATA3, Alexa Fluor 647–anti-CXCR5, anti-pSTAT4, anti-pSTAT5, anti-pSTAT6, APC-anti-CD10, APC-Cy7-anti-CD4, BV605-anti-IgG, BV421-CD40L, BV711-anti–IL-2, PE-anti-pSTAT1, anti-RORγt, and Bcl-6, PE-Cy7-anti-CD25, and anti-CD27, PerCP-Cy5.5-anti-CD127, anti-pSTAT3, and anti-Tbet, SA-PerCpCy5.5, and IFN-γ were obtained from BD. Pacific Blue–anti-CD20 and SA-BV605 were purchased from BioLegend. Recombinant human IL-12 was purchased from R&D Systems. TGF-β, IL-1β, IL-6, IL-21, and IL-23 were obtained from PeproTech. PGE2 was purchased from Sigma-Aldrich. Human IL-4 and IL-10 were provided by R. de Waal Malefyt (DNAX Research Institute, Palo Alto, CA).
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8

Stimulation and Cytokine Profiling of T Cells

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T cells purified by cell sorting were stimulated with Leukocyte Activation Cocktail, with GolgiPlus (BD Pharmingen) for 6 h at 37°C under 5% CO2 before being stained with following antibodies alone or in combinations: anti-IL-17A (eBioscience), anti-IL-17F, anti-IL-22, anti-IL-6, anti-CCL20 and anti-IFNγ (R&D Systems) by using Cytofix/CytoPerm Plus kit (BD Pharmingen) or anti-RORγt, anti-FOXP3, anti-T-bet or anti-GATA3 using Foxp3 staining buffer set (eBioscience) according to the manufacturer’s instructions. All flow cytometry was done using FACSCaliber, LSR II System or Fortessa flow cytometers (BD Biosciences), and the data were subsequently analyzed using FlowJO software (TreeStar).
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9

Intracellular Transcription Factor Detection

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To detect intracellular transcription factors, anti–mouse Foxp3 staining kits (eBioscience) were used after appropriate surface staining. Staining was performed according to the manufacturer’s instructions. In brief, cells were resuspended in fixation/permeabilization buffer and incubated at 4°C, in the dark for 1 h. Cells were then washed with Perm/Wash buffer (eBioscience) before being labeled with anti-PLZF (eBioscience), anti–T-Bet (eBioscience), and anti-RORγt (eBioscience). This approach was also used for intracellular transcription factor and cytokine costaining.
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10

Cytokine Production Analysis by Flow Cytometry

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For analysis of cytokine production, cells were restimulated with 20 nM phorbol 12-myristate 13-acetate (PMA) (Calbiochem) and 1 μM ionomycin (Invitrogen) in the presence of 5 μM brefeldin A for 6 h. Cells were stained with the following antibodies against cell surface markers (all from eBioscience unless otherwise indicated): anti-CD4 (GK1.5), anti-CD45.2 (104), anti-CD8 (53-6.7), anti-CD11b (M1/70), anti-CD11c (N418), anti-Gr-1 (RB6-8C5), anti-TGF-β (TW7-16B4; Biolegend). Cells were fixed and permeabilized with either IC Fix Buffer (eBioscience) for intracellular cytokine staining or Foxp3 Fix Buffer (BioLegend) for Foxp3 staining using the following antibodies (all from eBioscience): anti-IFN-γ (XMG1.2), anti-IL-17 (eBio17B7), anti-GM-CSF (MP1-22E9), anti-IL-10 (JES5-16E3), anti-RORγt (B2D), anti-T-bet (eBio4B10) and anti-Foxp3 (FJK-16s). Cells were analyzed using a LSRII flow cytometer (BD Biosciences) and FlowJo software (Tree Star).
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