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Fitc conjugated anti mouse cd45

Manufactured by BD
Sourced in United States

The FITC-conjugated anti-mouse CD45 is a laboratory reagent used to detect and analyze mouse CD45-positive cells. CD45 is a transmembrane protein tyrosine phosphatase that is expressed on the surface of most hematopoietic cells. The FITC (Fluorescein Isothiocyanate) conjugation allows for the visualization and detection of CD45-positive cells using flow cytometry or other fluorescence-based techniques.

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5 protocols using fitc conjugated anti mouse cd45

1

Immunophenotyping of Humanized Mice

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Blood, spleen, and BM cells from hu-mice were stained with antibodies and analyzed using a BD Accuri C6 Plus (BD Biosciences). The antibodies used to detect human cells included APC-conjugated anti-human CD45 (555485, BD PharmingenTM), FITC-conjugated anti-mouse CD45 (553080, BD PharmingenTM), APC-conjugated anti-human CD4 (555349, BD PharmingenTM), PE-conjugated anti-human CD8 (555367, BD PharmingenTM), PE-conjugated anti-human CD19 (302208, BioLegend), and PE-conjugated anti-human CD33 (303403, BioLegend). For immunocy-tochemistry, anti-CD45 (ab8216, Abcam) and anti-CD34 (MAB72271, R&D Systems) antibodies were used, and proper isotype-matched IgG antibodies were used to detect the primary signals. Flow cytometric data were analyzed using the CSamplerTM Plus software program (BD Bio-sciences).
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2

Multiparametric Analysis of Immune Cell Subsets

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For Treg detection, cells were first stained with FITC-conjugated anti-mouse CD45 (BD, United States), PE-CY-7-conjugated anti-mouse CD4 (BD, United States), and APC-conjugated anti-mouse CD25 (BD, United States). For Th17 cell detection, cells were stimulated with Cell Stimulation Cocktail in culture medium for 4 h before surface staining using FITC-conjugated anti-mouse CD45 and PE-CY-7-conjugated anti-mouse CD4. After surface staining, cells were fixed and permeabilized with fixation/permeabilization buffer, followed by staining with PE-conjugated anti-mouse Foxp3 (eBIOSCIENCE, United States) for Tregs and PE-conjugated anti-mouse IL-17A (BD, United States) for Th17 cells. For dendritic cells detection, cells were stained with FITC-conjugated anti-mouse CD11c (BD, United States). Cells were analyzed on a FACS flow cytometer (CytoFLEX, Beckman, United States and BD Biosciences, United States).
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3

Adoptive Transfer of Naïve CD4+ T Cells Induces Colitis in Rag1-/- Mice

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C57BL/6 and Rag1−/− mice were purchased from Jackson Laboratory. All mice were kept in sterilized, ventilated cages under SPF conditions and fed either a control diet or exposed to AR via the diet. Mice were allowed to acclimatize for 7 days prior to the start of experiments. Colitis was induced in Rag1−/− mice by adoptive transfer of FACS-sorted CD4+CD45RBhi T cells. Naïve CD4+ T cells were isolated from splenocytes of C57BL/6 mice by EasySepTM Mouse Naïve CD4+ T cell Isolation Kit (StemCell Technology, Vancouver, Canada). Naïve CD4+ T cells were labeled with PE-cy7-conjugated anti-mouse CD3 (BioLegend; 1:100), APC-conjugated anti-mouse CD4 (BD Biosciences; 1:100), and FITC-conjugated anti-mouse CD45 (BD Biosciences; 1:100). CD4+CD45RBhi T cells were sorted using FACS Aria II flow cytometer (BD Biosciences; FACSDiva v 6.1.2). Cell viability was assessed using Trypan blue assay prior to injection. Recipients were intraperitoneally (i.p.) injected with 5 × 105 cells of sorted T cells. Samples from all mice were kept at −80 °C.
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4

Phenotypic Characterization of BMSCs

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Two groups of cells, BMSCs group and CXCR-BMSCs group, were trypsinized, inactivated with FBS and washed twice with PBS. These cells were suspended in 100 µl PBS and incubated at 4°C for 20 min with PE-conjugated anti-mouse CD90.2 (BD Biosciences, Franklin Lakes, NJ, USA), Alexa Fluour-conjugated anti-mouse CD105 (BD Biosciences), PE Cy™-conjugated anti-mouse CD11b (eBioScience; Thermo Fisher Scientific, Inc., Waltham, MA, USA) and FITC-conjugated anti-mouse CD45 (BD Biosciences) as described previously (13 (link)).
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5

Isolation and Characterization of Tumor-Infiltrating NK Cells

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The mouse tumors were freshly dissociated into single cells with the gentleMACS C tube by gentleMACS Dissociator (Miltenyi Biotec). Harvested cells were centrifuged at 1500 rpm for 8 min at 4 °C. Isolation of infiltrated cells were filtered through cell strainer (40 μm; BD Falcon) and counted by using 0.4% Trypan Blue Dye. The isolated cells were washed and blocked with 2% BSA-PBS (pH 7.4) and cells (2 × 105/tube) were incubated with immune cell markers for 30 min at 4 °C in the dark. For gating of NK cells (CD45+/CD3-/CD49+), mixture of antibodies including FITC-conjugated anti-Mouse CD45 at 1:200 dilution [BD Pharmingen, 5553079)], PerCP-CyTM5.5 anti-Mouse CD3 at 1:100 dilution [BD Pharmingen, 560527] and PE-conjugated anti-Mouse CD49b (at 1:100 dilution) [BD Pharmingen, 561066] was incubated with tumor dissociated cells (after filtering through cell strainer) for 30 min at 4 °C in the dark. The stained cells were washed with 2% BSA–PBS. Cells were then suspended in 2% BSA–PBS buffer. Positive stained cells were acquired using a Guava easyCyte HT instrument (Millipore) or FACSCalibur (Beckton Dickinson) according to the manufacturer’s operation manual and analyzed using FlowJo software.
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