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13 protocols using anti ter119

1

Mouse Blood Cell Immunophenotyping

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Whole mouse blood was collected into microcentrifuge tubes containing 100μl HEPES medium (132mM NaCl, 6mM KCl, 1mM MgSO4, 20mM HEPES, and 5mM glucose) as previously described2 . Samples were diluted 2× in HEPES medium, and then centrifuged at RT for 15 min at 100 × g. Platelet rich plasma was incubated for 15 min at RT in 100μl of HEPES medium containing the following antibodies: Anti-CD45.2, anti-CD31, anti-CD9, anti-GARP and anti-Ter119 (eBioscience) prior to flow cytometry analysis. Data were acquired using BD Fortessa flow cytometers and analysed using FlowJo (TreeStar).
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2

Quantification of Hematopoietic Stem and Progenitor Cells

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BMCs (2×106) were blocked with Fc-block for 10 min, followed by staining with biotin-conjugated anti-CD3e (eBioscience), anti-CD45R/B220 (eBioscience), anti-Gr-1 (eBioscience), anti-CD11b (eBioscience), and anti-Ter-119 (eBioscience) antibodies for 30 min. Cells were then washed once and stained for 30 min with antibodies (1∶100 dilution) to c-Kit (CD117 2B8, fluorescein APC-conjugated; BD Pharmingen), Sca1 (Ly-6A/E, PE-conjugated; eBioscience), and streptavidin (fluorescein isothiocyanate [FITC]-conjugated; BD Pharmingen). Cells were analyzed with an LSR II flow cytometer and FlowJo software. Percentage and absolute number of HPCs (Linc-kit+Sca1+ or LKS+) and HSCs (Linc-kit+Sca1 or LKS) were determined by flow cytometry. The numbers of HPCs and HSCs in each mouse were calculated by multiplying the total numbers of BMCs harvested from both tibias and femurs of each mouse by the frequency of each population in BMCs.
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3

Hematopoietic Stem Cell Isolation

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The HSC preparation was a minor modification from previously described method.33 In brief, the whole bone marrow cells were collected from tibias in treated mice. Bone marrow cells were stained with antibodies for the identification of HSCs (c‐Kit+ Sca1+ Lin), and the following antibodies were used: c‐Kit‐PE (#12‐1171‐82), Sca‐1‐FITC (#11‐5981‐82), and anti‐Lineage Antibody Cocktail comprises a mixture of PE‐Cy5‐conjugated antibodies, including anti‐B220, anti‐CD4, anti‐CD8, anti‐Gr‐1, anti‐Mac‐1, and anti‐TER119 (from eBioscience). For HSC sorting, debris, dead, and clumped cells were removed to obtain single and viable cells; then, the c‐Kit+ Sca1+ Lin cell population was isolated by HSC sorting; FACS analysis was performed on BD FACSMelody™ Cell Sorter.34
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4

Isolation of Mouse Bone Marrow Cells

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Mouse bone marrow cells were isolated from 6- to 8-week-old female/male C57BL/6 or CByJ.B6-Tg(UBC-GFP)30Scha/J (UBI-GFP) animals. For enrichment of HSPCs or neutrophils, bone marrow cell suspensions were incubated with lineage cell depletion kit or neutrophil isolation kit from Miltenyi Biotec (Auburn, CA). The procedure was conducted according to the manufacturer's recommendations, with 1 modification involving addition of an extra 10 µl of anti-TER-119 (Ebioscience, #13-5921-81) to the antibody cocktail.
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5

Comprehensive Immunophenotyping by Flow Cytometry

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The following fluorochrome-conjugated antibodies were used for flow cytometry. Anti-CD3ε (Clone ID, 145-2C11), anti-CD5 (53-7.3), anti-CD19 (1D3), anti-B220 (RA3-6B2), anti-CD11b (M1/70), anti-CD 11c (N418), anti-NK1.1 (PK136), anti-TCRγδ (eBioGL3), anti-Gr-1 (RB6-8C5), anti-FcεR1 (MAR-1), anti-CD4 (RM4-5), anti-CD8a (53-6.7), anti-CD49b (DX5), anti-TER119 (TER-119), anti-IL-7Rα (A7R34), anti-Thy1.2 (30-H12), anti-CD44 (IM7), anti-c-Kit (2B8), anti-Sca-1 (D7), anti-CD45.1 (A20), anti-CD45.2 (104), anti-IL-13 (eBio13A), anti-IFN-γ (XMG1.2), anti-IL-5 (TRFK5), anti-IL-17A (eBio17B7), anti-RORγt (AFKJS-9) and anti-T-bet (4B10) antibodies were from eBioscience. Anti-KLRG1 (2F1), anti-IL-4 (11B11), anti-Ki67 (B56) and anti-GATA-3 (L50-823) antibodies were from BD Biosciences. Anti-ST2 antibody (DJ8) was from MD Bioproducts. Anti-IL-17RB antibody (752101) was from R&D Systems. recombinant IL-25 and IL-33 were from R&D Systems. For in vitro cell culture, recombinant IL-2, IL-7, IL-3, SCF, IL-4, IL-12, IL-1β, IL-6, IL-23 and TGF-β were from Peprotech or R&D Systems, and neutralizing antibodies, including anti-IL-4 (11B11), anti-IL-12 (C17.8) and anti-IFN-γ (XMG1.2), were from Harlan Laboratories. LIVE/DEAD fixable dead cell stain kit was from Life Technologies.
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6

Murine Malaria Infection Analysis

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Parasites were maintained as frozen stocks and passaged in wild type mice. For the analysis of B cell responses, 6–12 weeks old mice were injected intraperitoneally (i.p.) with 105Pc infected erythrocytes from a donor mouse. In tumor experiments, 6–8 week old mice were used for primary infection, and secondary and tertiary infections were performed at 8 weeks intervals using the same dose and route. Parasitemia was monitored by flow cytometry after staining 1 µl of blood with anti-Ter119 (eBiosciences) and Hoechst33342 (Invitrogen) for 30 minutes at room temperature, and confirmed by blood smear analysis.
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7

Erythroblast Cell and Nuclear Size Analyses

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For analyses of cell and nuclear size, erythroblasts were stained with anti-CD71 (eBioscience), anti-Ter119 (eBioscience) and DRAQ5 (eBioscience) and run on the ImageStream X (Amnis). The data was analyzed with IDEAS 6.0 software (Amnis) as previously published. (Malik et al., 2015 ) Additional details on FACS analyses are in supplemental methods.
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8

Flow Cytometry Analysis of Gli1+ Cells

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Flow cytometry was performed on a FACS Beckman analyzer. All data were analyzed using FlowJo software. Digested chondrogenic cells were re-suspended in FACS buffer (2%FBS in PBS) and stained with anti-CD45 (1:1000, eBioscience), anti-CD31 (1:1000, eBioscience), anti-Ter119 (1:1000, eBioscience), anti-CD90.2 (1:500, Biolegend, 105335), anti-CD51 (1:100, eBioscience, 13-0512-82), anti-CD200 (1:100, eBioscience, MA5-17980), anti-CD105 (1:100, eBioscience,17-1051-80) primary antibody for 1 h at 4 °C, following by Streptavidin, Pacific Blue™ conjugate (1:200, Thermo, S11222) for 30 min at 4 °C. After PBS wash, cells were analyzed by flow cytometry for Gli1+ (CD45CD31Ter119tdTomato+) and Gli1 (CD45CD31Ter119tdTomato) cells. Data were analyzed with FlowJo version 10.
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9

Analyzing Bone Marrow Cell Populations

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Whole bone marrow cells were flushed using Hank’s balanced salt solution (HBSS) (Mg2+ and Ca2+ plus) and digested with 200 U/mL DNase I and 250 μg/mL Collagenase I and IV (Worthington) at 37°C for 30 min. Cell suspension in 100 μL HBSS with 2% bovine serum was stained with antibodies, including anti-LEPR-biotin (1:100, R&D Systems, BAF497), anti-CD45 (1:200, eBioscience, 30F-11), anti-CD31 (1:200, eBioscience, 390), anti-TER119 (1:200, eBioscience, TER-119), anti-SCA-1 (1:200, eBioscience, E13–161.7), and/or anti-PDGFRα-biotin (1:100, BioLegend, APA5), and then brilliant violet 421 streptavidin (1:500, BioLegend). Samples were analyzed using a FACSCelesta flow cytometer (BD Biosciences). Data were analyzed by FlowJo software.
For BrdU incorporation assays, mice were given an intraperitoneal injection of 1 mg BrdU (Sigma) per 6 g of body mass in PBS and maintained on 1 mg/mL of BrdU in the drinking water for 14 days. The frequency of BrdU+ cells was then analyzed by flow cytometry using the APC BrdU Flow Kit (BD Biosciences).
For apoptotic cell staining, cells were stained by anti-Annexin V antibody before flow cytometry following the manufacture's introductions (Thermo Fisher).
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10

Sorting and Analyzing Epithelial and Stromal Cells

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Epithelial cells from WT, LApc, and LApcL mice and stromal cells from ApcMin and VApcMinL mice were sorted on BD Influx (BD Biosciences) for scRNA-seq analysis and gene expression validation. The epithelial cells were surface-stained with the following antibodies at 1:500 dilution for 30 min on ice: anti-Mo CD326 (EpCAM) phycoerythrin (eBioscience; Invitrogen, #12-5791-82), CD16/CD32 (mouse BD Fc block; BD Pharmingen, #553141), anti-CD45 (eBioscience, #48-0451-82), and anti–Ter-119 (eBioscience, #48-5921-82). Sorted cells were resuspended into Hanks’ balanced salt solution with 0.04% BSA.
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