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7 protocols using anti mouse cd45 pe cy7

1

Isolation and Analysis of Adipose Tissue Macrophages

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Cells from adipose tissues were prepared and lysed with ACK lysing buffer (Gibco) to exclude red blood cells and were stained with antibodies on ice for 30 min in the dark. APC/Cy7 anti-mouse CD45 (30-F11, BioLegend), Percpcy5.5 anti-mouse CD11b (M1/70, eBioscience), and APC anti-mouse F4/80 (BM8, eBioscience) were used to stain ATMs, and BV605 anti-mouse Mer (108928, BD Biosciences), PE anti-mouse CD64 (X54-5/7.1 BioLegend), FITC anti-mouse CD11c (HL3, BD Biosciences), PE/Cy7 anti-mouse CX3CR1 (SA011F11, BioLegend), and Alexa Fluor 700 anti-mouse Ly6C (HK1.4, BioLegend) were used to further analyze surface markers of ATMs, BV421 anti-mouse CD45.1 (A20, BioLegend) and PE/Cy7 anti-mouse CD45.2 (104, eBioscience) were used to identify ATMs from CD45.1 and CD45.2 mice, and all antibodies were used in 1:400 dilutions except CD64 (used in 1:200 dilutions). Cells were washed three times and they were performed on FACSFortessa or FACSAria III flow cytometer (BD Biosciences) and analyzed with FlowJo software (Tree Star).
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2

Measuring Macrophage Viability and Apoptosis

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For cell viability, BMDMs were washed with PBS 72 h after siRNA transfection and collected for counting cell number with trypan blue staining. Cell death was analyzed using an Annexin V Apoptosis Detection Kit (88–8007-72; eBioscience) according to the manufacturer’s instructions. For the adoptive transfer experiments, 18 h after cell transfer, peritoneal cells from CD45.1 mice were collected and stained with APC/Cy7 anti-mouse CD45 (1:400, 103116; BioLegend), Brilliant Violet 421 anti-mouse CD45.1 (1:400, 110732; BioLegend), and PE/Cy7 anti-mouse CD45.2 (1:400, 25–0454-80; eBioscience) for identification of transferred macrophages. Cells were analyzed on an LSR Fortessa flow cytometer (BD Biosciences) using FlowJo software (BD Biosciences).
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3

Corneal Cell Phenotyping by Flow Cytometry

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Transplanted corneas were collected and digested with collagenase and Dnase, and single-cell suspensions were prepared and filtered. Cells were incubated with an Fc receptor blocking antibody (R&D Systems, Minneapolis, MN, USA). After they were washed, the cells were incubated with flow cytometry antibodies from BioLegend (San Diego, CA, USA) or Thermo Fisher Scientific for 1 hour: PE-Cy7-anti-mouse CD45; Pacific Blue-anti-mouse CD11b Ab; FITC-anti-mouse CD4 Ab; APC-anti-mouse Ly-6G Ab; and PE-anti-mouse F4/80 Ab. Stained cells were rinsed and analyzed using an LSR II flow cytometer (BD Biosciences, Franklin Lakes, NJ, USA), and the results were analyzed using Summit 4.3 (Agilent Dako, Santa Clara, CA, USA). Dead cells were excluded by performing forward-scatter versus side-scatter analysis, and samples were subsequently analyzed by gating on CD45+ cells (Supplementary Fig. S1).
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4

Isolation of Cerebrovascular Endothelial Cells

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Sham and CCI injured tissues were prepared as for flow cytometry at 1 dpi as described above. Cortical cells were incubated for surface staining with PE-Cy7 anti-mouse CD45 (ThermoFischer) 1:100 and BV421 rat anti-mouse CD144 (VE-Cadherin) (BD Horizon) 1:100 pre-conjugated antibodies, for 20 min at 4 °C, diluted in FcR blocking solution. Cells were resuspended in 0.5 mL flow cytometry staining buffer (ThermoFischer) and run on a Beckman Coulter MoFlo Astrios EQ using a 100 μm nozzle at 25 psi at a sort rate of about 10,000 events/second using IsoFlow (Beckman Coulter). Debris were gated out using a Forward Scatter Area x Side Scatter Area plot. Aggregates were excluded using a Forward Scatter Height x Forward Scatter Width and a Sideward Scatter Height x Sideward Scatter Width plot. CD45+ cells were excluded and cvECs were sorted based on BV421 expression using CD45 PE-Cy7 log Area by a CD144 BV421 log Area plot. Post sort purities for CD45-/CD144+ cvEC population was >95%. Cells were collected directly into 250 μL TRI Reagent (Zymo Research, Irvine, CA, USA) for subsequent RNA extraction.
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5

Isolation and Analysis of Ascites-Derived Cells

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10-13 week old REM2-KPf/fC mice were anesthetized and approximately 100μl of peripheral blood and ascites was collected in PBS containing 5mM EDTA and 2% Dextran. Samples were incubated at 37°C and red blood cells were lysed using RBC lysis buffer (eBiosciences). Remaining cells were stained with anti-mouse EpCAM-PE (eBiosciences) and anti-mouse CD45-PE-Cy7 (eBiosciences) antibodies. Analysis was carried out on a FACSAria III machine (Becton Dickinson) and data analyzed with FlowJo software (Tree Star).
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6

Isolation and Analysis of Ascites-Derived Cells

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10-13 week old REM2-KPf/fC mice were anesthetized and approximately 100μl of peripheral blood and ascites was collected in PBS containing 5mM EDTA and 2% Dextran. Samples were incubated at 37°C and red blood cells were lysed using RBC lysis buffer (eBiosciences). Remaining cells were stained with anti-mouse EpCAM-PE (eBiosciences) and anti-mouse CD45-PE-Cy7 (eBiosciences) antibodies. Analysis was carried out on a FACSAria III machine (Becton Dickinson) and data analyzed with FlowJo software (Tree Star).
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7

Flow Cytometric Analysis of Cell Markers

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Before FACS analysis, adherent cells were detached with 0.05%
trypsin-EDTA, washed and resuspended in sterile PBS. Cells grown in
suspension were washed and resuspended in sterile PBS. For analysis of NGFR,
GFP or iRFP670 expression, cells were washed and resuspended in flow buffer
(PBS, 2 mM EDTA, 0.5% BSA). For immune staining, flow buffer was
supplemented either with anti-mouse CD16/CD32 antibody (eBioscience) or
Human TruStain FcX Fc Receptor Blocking Solution (BioLegend). Following
antibodies were used for flow analysis: anti-human CD271 PE and APC (BD
Biosciences), anti-mouse H2Kd PE, Pacific Blue or biotin, anti-mouse B2m PE,
anti-mouse CD45 PE-Cy7 (all from eBioscience), streptavidin PE-Cy7
(BioLegend). Data was acquired using BD Fortessa (BD) and analysis was
performed using Cytobank or FlowJo Software (FlowJo, LLC). For T cell
killing experiments, transduced 4T1 cells were sorted on a FACS Aria II (BD)
to enrich for the NGFR+/GFP+, NGFR+/iRFP670+ or NGFR+/mCherry+
populations.
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