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4 protocols using cd11a clone m17 4

1

Characterization of LCMV-specific CD8+ T cells

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The following mAb were purchased from eBioscience or Biolegend and used in an appropriate combination of fluorochromes: CD8 (clone 53-6.7; eBioscience), PD-1 (clone J43; eBioscience), LAG-3 (clone eBioC9B7W; eBioscience), 2B4 (clone eBio244F4; eBioscience), CD11a (clone M17/4; eBioscience), Thy1.1 (clone HIS51; eBioscience), IFNγ (clone XMG1.2; Biolegend) and TNFα (clone MP6-XT22; Biolegend). All LCMV-specific peptides were synthesized by Bio-Synthesis Inc (Bio-Synthesis, Louisville, TX): GP276-286 (SGVENPGGYCL) and GP33-41 (KAVYNFATM) (52 (link)). p:MHC class I tetramer H-2Db GP276 and GP33 were made and used as previously described (25 (link), 48 (link)).
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2

Multi-parameter T and B Cell Analysis

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T cells were stained with H2-Kb/GP61–80 tetramers (NIH) and antibodies against mouse CD4 (clone GK1.5, Biolegend), CD11a (clone M17/4, eBioscience), CD25 (clone PC61, Biolegend), CD44 (clone IM7, Tonbo), Ly6C (clone HK1.4, Biolegend), CXCR3 (clone CXCR3-173, Biolegend), and PD-1 (clone RMP1-30, Biolegend). B cells were stained with CD19 (clone 6D5, Tonbo), T and B cell activation antigen (clone GL-7, BD Biosciences), CD95 (clone Jo2, BD Biosciences), IgD (clone 11-26c.2a, BD Biosciences), and IgM (clone RMM-1, eBioscience). Cells were stimulated with either GP61–80 peptide antigen or PMA and ionomycin in the presence of monensin, permeabilized with cytofix/cytoperm (BD Bioscience), and stained with anti-mouse IFN-γ (clone XMG1.2, eBioscience), anti-IL-2 (clone JES6-5H4, eBioscience), and anti-TNF (clone MP6-XT22, eBioscience). For Tfh analyses, cells were stained with anti-CXCR5 (clone 2G8, BD Biosciences) followed by staining with fluorochrome-conjugated anti-CD4, anti-CD44, anti-Ly6C, anti-CXCR3, and anti-PD-1. Anti-T-bet (clone 4B-10, Biolegend) and anti-Bcl-6 (clone K112-91, BD Biosciences) were applied after fixation and permeabilization of cells using FoxP3/Transcription Factor Staining Buffer Kits (Tonbo). Data were acquired using either Stratedigm S1200Ex or BD LSR II flow cytometers and analyzed using FlowJo software (Tree Star, Inc.).
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Multiparametric Flow Cytometry Analysis

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Fluorescently labeled monoclonal antibodies against the following mouse antigens were used: CD3 (clone 145–2 C11, BD Biosciences), CD4 (clone RM4-5, BioLegend), CD8a (clone 53–6.7, BioLegend), CD8b (clone YTS156.7.7, BioLegend), CD11a (clone M17/4, eBioscience), CD127 (clone A7R34, Thermo Fisher), KLRG-1 (clone 2F1, Thermo Fisher), CD44 (clone IM7, BioLegend), CD49a (clone Ha31/8, BD Biosciences), CD62L (clone MEL-14, BioLegend), CD69 (clone H1.2F3, BD Biosciences), CD38 (clone 90, Thermo Fisher) and CD103 (clone 2E7, Thermo Fisher). Cells were stained according to our previously published protocol.33 (link) 7-AAD (A1310, Invitrogen) staining was used to exclude dead cells. E7-specific CD8+ T cells were quantified using MHC class I tetramers for the RAHYNIVTF epitope. Flow cytometric acquisition was performed on a BD Fortessa flow cytometer (BD Biosciences).
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Comprehensive Flow Cytometry Antibody Panel

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For flow cytometry, Abs to CD16/CD32 (FcγRII/III; Clone 2.4G2), Ly6C (Clone AL-21), CD80 (Clone 16–10A1), IL-2 (Clone JES6–5H4), CD4 (Clone RM4–5), TNF (Clone MP6-XT22), CD62L (Clone MEL-14), NK1.1 (Clone PK136), B220 (Clone RA3–6B2), CD11b (Clone M1/70) and CD3ε (Clone 17A2) were purchased from BD PharMingen; IFNγ (Clone XMG1.2), CD49d (Clone R1–2), CD3ε (Clone 145–2C11), CD115, CD44 (Clone 1M7), CD86 (Clone GL-1) and I-A/I-E (Clone M5/114.15.2) were purchased from BioLegend; and CD11c (Clone N418), CD69 (Clone H1.2F3), CD3ε (Clone 145–2C11), Siglec H (Clone eBio440c), CD3ε (Clone 17A2), CD11b (Clone M1/70), Ly49H (Clone 3D10), Ly6C/6G (Gr-1; Clone RB6–8C5), CD11a (Clone M17/4) and CD28 (Clone 37.51) were purchased from eBioscience. The following Abs were purchased from Invitrogen: CD8α (Clone 5H10), F4/80 (Clone BM8) and CD45 (Clone 30-F11). For ELISA, purified mouse IgM, IgG1, IgG2b and IgG2c, and polyclonal nonconjugated and alkaline phosphatase (AP)-conjugated goat anti-mouse Ig isotypes were purchased from Southern Biotech.
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