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5 protocols using cd68 percp cy5

1

Macrophage Activation and Mitochondrial Dynamics

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Monocyte-derived macrophages were stimulated for 6 hours with 100 ng/mL LPS plus 5 mM adenosine triphosphate (ATP), 3 µM STS, or N gonorrhoeae strain FA1090B at an MOI of 10 or 100. Following stimulation, cells were lifted and washed 3 times in 0.5% FBS/PBS. Cells were stained for CD11b and CD68 expression (CD11b-APC; BioLegend, San Diego, CA, USA and CD68-FITC; BioLegend) for 30 minutes at 4°C and then washed. Prior to analysis, cells were stained with the live-dead stain, propidium iodide (PI; BioLegend) and analyzed on a BD LSR II (San Jose, CA, USA). To evaluate perturbation to the mitochondrial membrane potential, MDMs were stained with Rhodamine 123, a mitochondrial membrane potential dye. Cells were incubated with 1 µM of Rhodamine 123 (Molecular Probes, Eugene, OR, USA), for 30 minutes at 37°C. Following staining, cells were lifted and stained for macrophage markers as described above and were immediately analyzed by flow cytometry. For Rhodamine 123 staining, CD68-PerCP/Cy5.5 and CD11b-APC (BioLegend) were used to delineate macrophage populations.
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2

Comprehensive Flow Cytometry Panel

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The following Abs were used for flow cytometry: CD115 Alexa Fluor 488 (AFS98, BioLegend, 135512), CD93 PerCP-Cy5.5 (AA4.1, BioLegend, 136512), CD144 PE (11D4.1, BD Biosciences, 562243), F4/80 PE-CF594 (T45-2342, BD Biosciences, 565613), CD64 PE-Cy7 (X54-5/7.1, BioLegend, 139314), Sca-1 allophycocyanin (D7, BioLegend, 108112), CD16/32 allophycocyanin-R700 (2.4G2, BD Biosciences, 565502), CD11c allophycocyanin-780 (N418, eBio-science, 47011482), CD41 BV421 (MWReg30, BD Biosciences, 747729), Ter119 BV510 (TER-119, BD Biosciences, 563995), Ly6G BV605 (1A8, BD Biosciences, 563005), CX3CR1 BV650 (SA011F11, BioLegend, 149033), c-Kit BV711 (2B8, BD Biosciences, 105835), CD45 BV786 (30-F11, BD Biosciences, 564225), CD3e BUV395 (145-2C11, BD Biosciences, 563565), CD11b BUV737 (M1/70, BD Biosciences, 564443), CD68 PerCP-Cy5.5 (FA-11, BioLegend, 137010), VCAM1 Alexa Fluor 647 (429, BioLegend, 105712), MHC class II Alexa Fluor 700 (M5/114, Thermo Fisher Scientific, 56532182), Siglec-F BV421 (E50-2440, BD Biosciences, 562681), Tim-4 BV510 (21H12, BD Biosciences, 742774), Live/Dead, fixable UV (Thermo Fisher Scientific, L34962).
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Comprehensive Flow Cytometry Panel

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The following Abs were used for flow cytometry: CD115 Alexa Fluor 488 (AFS98, BioLegend, 135512), CD93 PerCP-Cy5.5 (AA4.1, BioLegend, 136512), CD144 PE (11D4.1, BD Biosciences, 562243), F4/80 PE-CF594 (T45-2342, BD Biosciences, 565613), CD64 PE-Cy7 (X54-5/7.1, BioLegend, 139314), Sca-1 allophycocyanin (D7, BioLegend, 108112), CD16/32 allophycocyanin-R700 (2.4G2, BD Biosciences, 565502), CD11c allophycocyanin-780 (N418, eBio-science, 47011482), CD41 BV421 (MWReg30, BD Biosciences, 747729), Ter119 BV510 (TER-119, BD Biosciences, 563995), Ly6G BV605 (1A8, BD Biosciences, 563005), CX3CR1 BV650 (SA011F11, BioLegend, 149033), c-Kit BV711 (2B8, BD Biosciences, 105835), CD45 BV786 (30-F11, BD Biosciences, 564225), CD3e BUV395 (145-2C11, BD Biosciences, 563565), CD11b BUV737 (M1/70, BD Biosciences, 564443), CD68 PerCP-Cy5.5 (FA-11, BioLegend, 137010), VCAM1 Alexa Fluor 647 (429, BioLegend, 105712), MHC class II Alexa Fluor 700 (M5/114, Thermo Fisher Scientific, 56532182), Siglec-F BV421 (E50-2440, BD Biosciences, 562681), Tim-4 BV510 (21H12, BD Biosciences, 742774), Live/Dead, fixable UV (Thermo Fisher Scientific, L34962).
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Flow Cytometry of Tumor-Infiltrating Macrophages

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To prepare single-cell suspensions for flow cytometry, fresh tumor tissue was dissected into ~1–3mm3 fragments and digested with 80 U/mL collagenase (Invitrogen) in DMEM containing 10% FBS for 1 h at 37 °C while shaking. After red blood cell (RBC) lysis, single-cell suspensions were filtered and incubated for 20 min on ice with the following antibodies (1:100): CD45-PE (Cat# 12-0451-81, eBioscience, San Diego, CA), F4/80-PE-Cy7 (Cat# 25-4801-82, eBioscience, San Diego, CA), CD11b-FITC (Cat# 553310, BD Biosciences San Jose, CA), CD206-APC (Cat# 141707, Biolegend, San Diego, CA),CD68-PerCP-Cy5.5 (Cat# 137009, Biolegend, San Diego, CA) for macrophages. Cells were washed with PBS before analysis on the BD LSR-II flow cytometer (Beckman Coulter).
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5

Quantifying Tumor Immune Cell Populations

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To quantify immune cells, single-cell suspensions were prepared from tumor tissue and were incubated with the following antibodies in 1:100 dilution: CD45-PE (hematopoietic cells, eBioscience, San Diego, CA), F4/80-PE-Cy7 (macrophages, eBioscience, San Diego, CA), CD11b-FITC (monocyte/macrophages, BD Biosciences San Jose, CA), CD206-APC (M2 type macrophages, Biolegend, San Diego, CA),CD68-PerCP-Cy5.5 for macrophages (M1 type macrophages,Biolegend, San Diego, CA), CD45-PE, F4/80-PE-Cy7, CD11b-FITC, Gr-1-APC (myeloid cells, BD Biosciences San Jose, CA) for myeloid derived suppressor cells (MDSCs) and Neutrophils, CD45-PE, CD4-FITC (CD4 T cells, BD Biosciences San Jose, CA), CD8-APC (CD8 T cells, BD Biosciences San Jose, CA), B220 (B cells, Biolegend, San Diego, CA) for T and B cells. Cells were washed with PBS before analysis on the BD LSR-II flow cytometer (Beckman Coulter), GFP+ cells were gated for analysis of immune cells as previously described [6] .
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