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5 protocols using cd103 clone m290

1

Function-blocking Antibodies in Tumor Engraftment

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Function-blocking antibodies against mouse very late antigen (VLA)-1 (clone Ha31/8) and CD103 (clone M290) or isotype control antibodies were purchased in “No Azide, Low Endotoxin” format from BD (VLA-1) and Bioxcell (CD103). Two hundred fifty microgram was injected intraperitoneally (i.p.) on days 6, 11, and 16 following tumor engraftment.
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2

Allergen Extract Sensitization Protocol

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HDM extract was obtained from the Greer laboratories. The allergens were extracted from whole body crust of Dermatophagoides pteronyssinus, which contained 100 EU endotoxin/mg. E. coli 0111:B4 LPS was obtained from Sigma. Low endotoxin OVA (endotoxin level <1 EU/mg) was from Chondrex, Inc. Alum, which contained 40 mg/ml Al(OH)3, was from Thermo-Fisher. Anti-mouse antibodies used for flow cytometry were CD11c (clone N418, eBioscience), I-A/I-E (Clone M5/114.152, Biolegend), CD11b (clone M1/70, BD), CD103 (clone M290, BD), CD64 (clone X54-5/7.1, BD), CD86 (clone GC1, BD), CD40 (clone 3/23, BD), CD45 (clone 30-F11, Biolegend), CD3 (clone 17A2, BD), B220 (clone RA3-6B2, eBioscience), NK1.1 (clone PK136, BD), GATA3 (clone L50-823, BD), and CD326 (clone G8.8, Biolegend). ELISA kits IL-4, IL-5, IL-10, IFN-γ, and MCP-1 were from BD; IL-13, KC, CCL20, GM-CSF, and IL-17 kits were from R&D Systems.
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3

Multiparametric Flow Cytometry Analysis of Tumor Microenvironment

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Antibodies against mouse Ly6c (clone HK1.4), CD11b (clone M1/70), CD11c (clone N418), F4/80 (clone BM8), MHC-II (clone M5/114.15.2), CD45 (clone 30-F11), CD3 (clone 17A2), CD4 (clone GK1.5), CD4(clone H129.19), CD8 (clone 53–6.7), NK1.1 (clone PK136), NK1.1 (clone S17016D) CD45.2 (clone 104), CD24 (clone 30-F1), XCR1 (clone ZET), CD64 (clone X54–5/7.1), Thy1.1 (clone Ox-7), Th1.2 (clone 30-H12), CD69 (clone H1.2F3), CD31 (clone MEC13.3) were from Biolegend. Antibodies against mouse Ly6g (clone 1A8), CD16/32 (clone 2.4G2) and CD103 (clone M290) were from BD Biosciences. All of the antibodies from Biolegend and BD Biosciences are diluted as 1:100. Antibodies against mouse Calreticulin (Cat. No. ab196159) were from Abcam (diluted as 1:300). The live/dead dye Aqua (Cat. No. L34966) was from ThermoFisher (diluted as 1:300).
Tumor-bearing mice were sacrificed and the tumors were sliced and digested by collagenase IV (1 mg/ml, Thermo Scientific Cat. 17104019) for one hour at 37°C, and tumor draining lymph nodes were ground to make single cell suspensions. The single cells suspensions were filtered by 70 μm nylon strainers and stained as described45 (link). Stained samples were analyzed using a FACS analyzer (LSR-II or LSR-II-Fortessa) from BD Biosciences. All flow cytometry data were analyzed using FlowJo software (Flowjo LLC).
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Multicolor Flow Cytometry Immune Profiling

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Isolated cells were treated with 2% FBS/PBS containing Fc block (BD Biosciences) for 20 min at 4°C and then stained with fluorescent-conjugated antibody. Antibodies used for flow cytometry analysis are as follows: CD11c (clone N418; eBiosciences), CD64 (clone X54-5/7.1; Biolegend), CD103 (clone M290; BD Biosciences), F4/80 (clone BM8; eBiosciences), CD11b (clone M1/70; BD Biosciences), CX3CR1 (clone SA011F11; Biolegend), CD4 (clone RM4-5; eBiosciences), CD8α (clone 53–6.7; BD Biosciences), OVA-AF647 (Molecular Probe). Data were obtained using FACSCanto (BD Biosciences) and analyzed with FlowJo software (Tree Star, Ashland, OR).
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5

Multiparameter Flow Cytometry Assay

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Flow cytometry analysis was performed using a FACS flow cytometer Fortessa (BD Biosciences). The data were analyzed using Flowjo software. CD45 (Clone 30-F11), CD4 (Clone GK1.5), CD8 (Clone 53–6.7), CD103 (Clone M290) and CD69 (Clone H1.2F3) were purchased from BD Bioscience. PD-1 (Clone 29F.1A12), Granzyme B (Clone GB11) and Foxp3 (Clone MF-14) were purchased from BioLegend. Ki-67 (Clone SolA15) and IFN-γ (Clone XMG1.2) were purchased from eBioscience (Thermo Fisher Scientific). For intracellular cytokine staining, harvested cells were stimulated with PMA (10 ng/ml) (catalogue number p1585–1G, Sigma) and ionomycin (1 μg/ml) (I9657–1G, Sigma) for 4h and incubated for the last 3h with brefeldin A (10 μg/ml) (catalogue number 00–4506-51, Thermo Fisher). The cells were transferred to a V-bottom plate, stained with surface marker antibodies in HBSS containing 1% FCS, fixed with 2% formaldehyde, and permeabilized with 0.5% saponin. The cells were stained with anti-IFN-γ and examined by flow cytometry.
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