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4 protocols using anti cd86 apc r700

1

Polarization of Murine Bone Marrow-Derived Macrophages

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BMDMs were plated in a 12-well plate (Corning), 0.25 × 106 cell/well, and polarized to M1 macrophages in IMDM. Nontreated BMDMs were cultured as M0 macrophages. Cells were washed with PBS and collected via centrifugation at 250× g, 4 °C for 5 min. Cells were washed with a washing buffer (PBS with 2% FCS) and centrifuged at 350× g, 4 °C for 5 min. The supernatant was discarded, and the Fc receptors were blocked by 10 min incubation on ice in a blocking buffer (PBS with 2% FCS, 20% 2.4G2 supernatant, 3% NRS, and 5% normal Syrian hamster serum). Cells were incubated with fluorochrome-labeled monoclonal antibodies in a blocking buffer for 20 min on ice. Anti-CD11b PE-Cyanine7 (eBioscience, San Diego, CA, USA) and anti-CD86 APC-R700 (BD Biosciences) antibodies were used for flow cytometry analysis. Cells were washed with a washing buffer and fixed in 2% paraformaldehyde (PFA) at RT for 10 min. Samples were measured with a BD FACSLyric flow cytometer (BD Biosciences), and data were subsequently analyzed with FlowJo 7.6.5. software (Tree Star, Ashland, OR, USA).
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2

Multiparameter Flow Cytometry of Adipose SVF

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Stromal vascular fraction (SVF) cells were harvested from the inguinal AT, and to block Fc receptors, they were incubated with FC block (Cat # 156604, TruStain FcX PLUS, anti-mouse CD16/32, BioLegend, London, UK) for 10 minutes. For the macrophages panel, cells were stained with anti-CD86-APC-R700 (Cat # 565479, BD Biosciences, San Jose, USA), anti-F4/80-APC antibody (Cat # 123116, BioLegend), and anti-CD11b PE-Cy7 (Cat # 25-0112-81, eBioscience, San Diego, USA). For the eosinophils panels, anti-Siglec-F BV421 (Cat # 562681, BD Biosciences), anti-CD11b APC (Cat # 101212, BioLegend), anti-CD63 PE(Cat# 564222, BD Biosciences), and anti-CD193 (CCR3) Alexa 647 (Cat# 144508, BioLegend) were used. After staining, cells were washed with a washing buffer (2% FCS in PBS) and analyzed using a BD FACSLyric™ flow cytometer (BD Biosciences).
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3

Evaluation of Immune Cell Activation

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The An@AuNPs at a dose of 10 μg/mL was incubated with 5 × 105 macrophages/well or BMDCs/well for 12 h. The macrophages or BMDCs stained with anti-CD86-APC-R700 (BD, cat. no. 565479), anti-CD80-FITC (BD, cat. No. 561954), and anti-CD40-PE (BD, cat. no. 553791) antibody were analyzed via flow cytometric examination.
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4

Intravascular Myeloid Cell Identification in Mouse Brain

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Mice were intravenously injected while alive with anti-CD45-PE (BD Biosciences) (3 µg in 100 µl of sterile PBS) to discriminate between intravascular myeloid cells and intraparenchymal myeloid cells [99 (link)]. After sacrifice, brains were collected and processed into a single-cell suspension using adult brain dissociation kit (Miltenyi Biotec, catalog no. 130–107-677) as previously described [31 (link)]. Cells were then washed with cold PBS before staining with live/dead Zombie NIR fixable viability dye (BioLegend) for 30 min at 4 °C. Cells were then washed twice with PBS supplemented with 1% heat-inactivated FBS (1% FBS) (FACS buffer) and resuspended in Fc Block (clone 93) (eBioscience) at 4 °C for 5 min before surface staining with a mixture of the following Abs for 20 min at 4 °C: anti-CD86-APC-R700 (BD Bioscience), anti-CD45- BUV737 (BD Biosciences), and anti-CD11B-APC (Thermo Scientific). Fluorescence minus 1 was used as a negative control. Samples were collected on a Cytek Aurora flow cytometer (Cytek Biosciences). Analysis was performed using FlowJo software version 10.8.0. Microglia were identified as CD45 intermediate/CD11B high cell population among live cells.
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