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9 protocols using anti mouse cd45 30 f11

1

Characterizing Immune Cells in Arthritic Mice

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CAIA mice were intravenously injected with control IgG, unmodified α-TNF, or CBP–α-TNF at a dose of 200 μg per mouse. On day 5, hind paws were harvested and digested in Dulbecco’s modified eagle medium supplemented with 2% FBS, collagenase D (2 mg/ml) and deoxyribonuclease I (40 μg/ml; Roche) for 30 min at 37°C. Single-cell suspensions were obtained by gently disrupting through a 70-μm cell strainer. Antibodies against the following molecules were used: anti-mouse CD45 (30-F11, BD Biosciences), F4/80 (T45-2342, BD Biosciences), Ly6G (1A8, BioLegend), Ly6C (HK1.4, BioLegend), and CD11b (M1/70, BioLegend). Fixable live/dead cell discrimination was performed using Fixable Viability Dye eFluor 455 (eBioscience) according to the manufacturer’s instructions. Following a washing step, cells were stained with specific antibodies for 20 min on ice. Flow cytometric analyses were done using a Fortessa (BD Biosciences) flow cytometer and analyzed using FlowJo software (Tree Star).
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2

Comprehensive Immunophenotyping by Flow Cytometry

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Flow cytometry was performed with LSR II (BD Biosciences) using various combinations of the following mAbs: anti-human CD45 (2D1), CD19 (HIB 19), CD3 (UCHT1), CD4 (RPA-T4), CD8 (SK1), CD33 (WM53), CCR7 (G043H7), CD45RA (HI100), CD31 (WM59), CD127 (A019D5), CD25 (M-A251), CD235a (HI264); anti-mouse CD45 (30-F11), and TER119 (TER-119); and isotype control mAbs (purchased from BD Biosciences PharMingen or Biolegend). Intracellular FoxP3 staining was performed with FoxP3 Staining Kit (Biolegend) according to the manufacturer's instructions.
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3

Comprehensive Immune Cell Profiling

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In addition to critical reagents listed throughout this section, the following antibodies were used for flow cytometry and confocal imaging: anti–mouse CD45 (30-F11; BD Biosciences), CD3 (17A2; BioLegend), TCR Vγ5 (536; BioLegend), MHCII (M5/114.15.2; eBioscience), F4/80 (BM8; BioLegend), CD64 (X54-5/7.1; BioLegend), CD11b (M1/70; BioLegend), and Ly6C (AL-21; BD Biosciences).
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4

Murine Bone Marrow Cell Phenotyping

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Murine long bone marrows were flushed with flow cytometry staining buffer (FSB) (2% FBS, 2 mM EDTA in 1× PBS) immediately after sacrifice and 1 × 106 cells were incubated with fluorescent-conjugated antibodies (PE 5 μl; FITC 2 μl; APC 4 μl) in 100 μl of FACS buffer for 20–30 min at 4 °C. Intracellular staining of CD68 utilized antibody specific reagents for a 15-min fixation followed by a 30 min incubation with the CD68 antibody in permeabilization buffer. Cells from all stains were then washed, and analyzed on a FACS Calibur or a FACS Aria IIu (BD Biosciences, San Jose, CA).
Antibodies for flow cytometric analyses included the following: Antimouse CD45 (30-F11), Lineage cocktail, sca1 (E13-161.7), CD29 (HM β1-1), and the Annexin PI kit were obtained from BD Biosciences (San Jose, CA). Antimouse CD11b (M1/70, APC) was obtained from eBioscience (San Diego, CA). Antimouse CD68 (FA-11) antibody and respective fixation and permeabilization reagents were purchased from Abd Serotec (Alexa Fluor 647; Leucoperm Reagents; Raleigh, NC) or Biolegend (FITC; Fixation Buffer/Permeabilization Buffer; San Diego, CA). B220 (RA3-6B2) was obtained from Biolegend.
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5

Myeloid Cell Isolation and Characterization

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Bio-gel polyacrylamide beads (P-100 fine, 45–90 μm) were purchased from Bio-Rad (Hercules, CA, USA); anti-mouse CD45.1 (A20), CD45.2 (104), CD11b (M1/70), CD115 (AFS98), lymphocyte antigen 6 complex, locus C (Ly-6C) (HK1.4), and lymphocyte antigen 6 complex, locus G (Ly-6G) (1A8) were purchased from BioLegend (San Diego, CA, USA); anti-mouse CD45 (30-F11) was obtained from BD Biosciences (San Jose, CA, USA); quantitative PCR (qPCR) primers were purchased from Qiagen (Germantown, MD, USA); and all cell culture media and reagents were obtained from GE Healthcare (Waukesha, WI, USA).
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6

Multiparameter Flow Cytometry Analysis

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Anti-mouse CD45 (30-F11) and IL-17A (TC11-18H10) antibodies were obtained from BD Biosciences (Franklin Lakes, NJ). Anti-mouse CD11b (M1/70), CD11c (N418), TCRγδ (eBioGL3), and Ki67 (SolA15) antibodies were purchased from eBioscience (San Diego, CA). Anti-mouse F4/80 (BM8), Ly-6G (1A8), MHC class II (M5/114.15.2), TCRβ (H57-597), and Vγ4 (UC3-10A6) antibodies were purchased from BioLegend (San Diego, CA). For intracellular staining, cells were stimulated for 3 h with 50 ng/ml PMA (phorbol myristate acetate; Sigma-Aldrich, St Louis, MO) and 1 μg/ml ionomycin (Wako, Osaka, Japan) in the presence of 10 μg/ml brefeldin A (Sigma-Aldrich) or put 10 μg/ml brefeldin A in the collagenase solution, and then fixed and permeabilized with Cytofix/Cytoperm buffer (BD Biosciences). Flow cytometry was performed using LSRFortessa (BD Biosciences) and analyzed with FlowJo (TreeStar, San Carlos, CA).
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7

Multiparametric Flow Cytometry Panel

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The following antibodies from BioLegend were used for flow cytometry: anti-human CD2 (TS1/8), CD3 (HIT3a), CD10 (HI10a), CD33 (WM53), CD34 (581), CD36 (5–271), CD38 (HB-7), CD45 (H130), CD45RA (HI100), CD56 (HCD56), CD94 (DX22), CD122 (TU27), CD132 (TUGh4), CD135 (BV10A4H2), NKG2D (1D11) and NKp46 (9E2). Anti-human NKG2A antibody was from R&D systems (Minneapolis, MN). Anti-mouse CD45 (30-F11) was acquired from BD Biosciences. For flow cytometry, samples were stained with antibodies in 50 μl flow buffer (0.2% bovine serum albumin [BSA, sigma], 0.05% sodium azide [sigma] in PBS) on ice for 30 mins. Stained samples were then analyzed on a BD LSR II flow cytometer, and data analyzed with FACS Diva (BD Biosciences) and FlowJo (TreeStar version e.g. 7.6.5). Isotype-matched control antibodies were used for all fluorochrome-isotype combinations. For fluorescent-activated cell sorting (FACS), cells were stained with appropriate antibodies in RoboSep buffer (Stemcell Technologies), and sorted on a BD FACSAria II (BD Bioscience).
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8

Isolation and Characterization of Epidermal Cells

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To generate single cell suspensions, epidermal scrapings were resuspended in complete RPMI, vortexed, pipetted to disaggregate cells, and filtered (40 μm strainer). For antigen re-expression, cells were rested overnight at 37° C with 5% CO2 as described (15 (link)). Before staining, cells were filtered as above and counted with a Vi-cell XR (Beckman Coulter). We used validated commercial reagents: LIVE/DEAD Fixable Aqua Dead Cell Stain Kit (Life Technologies), anti-mouse CD3 (17A2), CD25 (PC61.5), granzyme B (GzA-3G8.5), Lamp-1 (eBio1D4B), NK1.1 (PK136), IL-17A (XMG1.2), IL-22 (1H8PWSR) (Ebioscience), anti-mouse γδ TCR (GL3), CXCR3 (CXCR3-173), CD69 (H1.2F3), Vγ5 (536), Vγ4 (UC3-10A6), Vγ1 (2.11) (Biolegend), anti-mouse CD45 (30-F11) (BD Biosciences), on Becton-Dickinson LSR II hardware using FACSDiva software. For cytokine staining, cells were stimulated with Leukocyte Activation Cocktail with Golgiplug (BD Biosciences) for 5 h, surface stained, fixed and permeabilized with Foxp3/transcription factor buffer (Ebioscience), then stained.
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9

Isolation and Activation of DC Subsets

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DC subsets for vaccination were isolated from spleens and bone marrow of humanized non-tumor-bearing littermates treated with Flt3L as previously described.22 (link) Briefly, DCs were enriched by negative selection from bone marrow cells by incubation with anti-mouse Ter119 (TER-119), anti-human CD14 (RMO52, Beckman Coulter), anti-human CD19 (J3-119, Beckman Coulter), anti-human CD3 (OKT3, BioXCell), anti-human CD34 (My10, BD), and anti-mouse CD45 (30-F11, BD) followed by removal of antibody-bearing cells using sheep anti-rat IgG Dynabeads (Invitrogen). Enriched cells were stained with anti-human CD45-APC-Cy7, anti-HLA-DR-PECy7 (L243), anti-CD123-PerCP-Cy5.5 (6H6), anti-CD141-APC (M80), anti-CD1c-PE (L161), anti-CD11c-PE-CF594, and anti-CD3/CD19/CD20-Pacific Blue. DC subsets were sorted as CD3/CD14/CD19/CD20HLA-DR+CD11c+CD141+ (cDC1) and CD3/CD14/CD19/CD20HLA-DR+CD11c+CD141 (cDC2) using a MoFlo Astrios cell sorter (Beckman Coulter). DCs were activated for 2 hours with 10 µg/mL PolyIC prior to intratumoral injection of 20-25 x 103 DCs per mouse.
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