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Cd64 pecy7

Manufactured by Thermo Fisher Scientific

The CD64-PeCy7 is a flow cytometry reagent that targets the CD64 antigen, also known as the Fc gamma RI receptor. It is conjugated with the PeCy7 fluorochrome, which allows for the detection and analysis of CD64-expressing cells. The CD64 antigen is expressed on the surface of various immune cells, including monocytes, macrophages, and neutrophils, and is involved in the binding and phagocytosis of antibody-coated targets.

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2 protocols using cd64 pecy7

1

Lung Cell Isolation and Immunophenotyping

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Single-cell suspensions of the lung tissues were prepared by cutting them into small pieces followed by incubation in Dulbecco’s Modified Eagle Media (DMEM) containing 0.18 mg/mL Collagenase Type I (Sigma, St. Louis, MO, USA), 0.02 mg/mL DNase I (Sigma, St. Louis, MO, USA) for 1 h at 37 °C under constant rotation, followed by being mechanically passed through a 100 μm and 70 μm cell strainer sequentially. Erythrocytes were lysed using RBC lysis buffer (155 mM NH4Cl, 12 mM NaHCO3, 0.1 mM EDTA). Cells were then counted and subjected to flow cytometry. Lymphoid and myeloid compartments were investigated in the lung samples of mice on various intervention diets. Antibodies used for flow cytometry analysis were as follows: CD64-PeCy7 (Clone X54-5/7.1), Ly6C-PerCPCy5.5 (Clone AL-21), CD11b-V450 (Clone M1/70), MHCII-APC (Clone M5/114.15.2), CD103-PE (Clone M290), CD11c-A700 (Clone HL3), SiglecF-APCCy7 (Clone E5-2440), Ly6G-FITC (Clone 1A8), PD-1-FITC (Clone 29F.1A12), CD4-BV510 (Clone RM4-5), CD44-PE (Clone IM7), NK1.1-APCCy7 (Clone PK136), CD3-A700 (Clone 500A2), CD62L-V450 (Clone MEL-14), CD19-PerCPCy5.5 (Clone 1D3), CD8-APC (Clone 53-6.7), and KLRG1-BV786 (Clone 2F1) purchased from BD (Biosciences, Johannesburg, SA) and eBioscience (ThermoFisher, Johannesburg, SA) [29 (link),30 (link)].
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2

Isolation and Analysis of Alveolar Macrophages

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Cells were collected from digested lung samples [collagenase D (1 mg/ml) and DNase I (0.1 mg/ml) (Roche, Indianapolis, IN)] prior to staining with CD45.2-PE, CD11b-PERCP Cy5.5, CD11c-Alexa Fluor 647, CD64-PE-Cy7, F4/80-APC, and/or GR1-PE (eBioscience, San Diego, CA) in staining solution (1% FBS supplemented 1× PBS). Alveolar macrophage populations were analyzed using previously published methods (23 (link)). Briefly, CD45+ cell populations were initially selected and CD11c+CD11b-CD64+ cells were quantified as alveolar macrophages. Non-determined macrophage populations were identified as F4/80+CD11b+GR1- cells. Examination of apoptosis was performed using Annexin V/7-AAD staining per manufacturer's instructions (eBioscience, San Diego, CA). All flow cytometry was analyzed using FlowJo software (Tree Star, Inc., Ashland, OR).
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