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Anti mouse b220 pe cy7

Manufactured by BioLegend
Sourced in United States

Anti-mouse B220 PE-Cy7 is a fluorochrome-conjugated monoclonal antibody that binds to the B220 (CD45R) antigen expressed on mouse B cells. It can be used for the identification and enumeration of B cells in flow cytometry applications.

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2 protocols using anti mouse b220 pe cy7

1

Isolation and Characterization of Murine Myeloid Cells

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Bone marrow cells flushed from long bones were syringed five times through a 23-G needle and filtered through a 100μm nylon cell strainer. Red blood cells were lysed with 0.15 M NH4Cl. Cells were resuspended in PBS and filtered through a 70μm strainer. Samples were incubated with Fixable Viability Dye eFluor780 (eBioscience, San Diego, CA) and Fc receptors were blocked with anti-mouse CD16/CD32 (Biolegend, San Diego, CA) at a dilution of 1:100. Cells were then incubated with anti-mouse CD115 APC, anti-mouse CD11b PERCP-Cy5.5, anti-mouse B220 Pe-Cy7, anti-mouse CD11c PE, and anti-mouse Gr-1 Brilliant Violet 421 (BioLegend) at a dilution of 1:100 in PBS/2% FBS. Samples were acquired on a FACSCanto II or LSR II SORP (BD Biosciences, San Jose, CA). Analysis was performed with FlowJo software (Tree Star, Ashland, OR).
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2

Profiling Memory B Cells from Vaccination

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To quantify and profile memory B cells from vaccination, single‐cell suspensions were prepared from inguinal lymph nodes, as previously described.32 Cells were stained with Zombie live/dead (Biolegend, San Diego, CA, USA), FcR‐blocked (anti‐CD16/CD32, BD Bioscience, Franklin Lakes, NJ, USA) and stained with a cocktail containing anti‐mouse B220‐PECy7, CD38‐PE, IgD‐APC, CD95 (Fas)‐BV605, IgM‐FITC, IgG‐APCCy7 (all Biolegend), for 30 min on ice in FACS buffer (PBS, 1% FBS, 0.5% NaN3). Cells were finally fixed with 100 µL of 4% PFA for 20 min on ice. B memory cells were defined as B220+ CD38+/− Faslow IgD IgM+ or IgG+. Samples were acquired by flow cytometry on a FACS Attune (Invitrogen) and analysed with FlowJo software (BD). Representative FACS plots are shown in Supplementary figure 2a.
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