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APC Mouse Anti-Human CD25
APC Mouse Anti-Human CD25
Two-color flow cytometric analysis of CD25 expression on unstimulated peripheral blood lymphocytes. Human whole blood was stained with PE Mouse Anti-Human CD4 antibody (Cat. No. 555347/561843/561844) and either APC Mouse IgG1, κ Isotype Control (Cat. No.554681; Left Plot) or APC Mouse Anti-Human CD25 antibody (Cat. No. 567316/567317; Right Plot) at 0.5 µg/test. Erythrocytes were lysed with BD FACS™ Lysing Solution (Cat. No. 349202). Bivariate pseudocolor density plots showing the correlated expression of CD25 (or Ig Isotype control staining) versus CD4 were derived from gated events with the forward and side light-scatter characteristics of viable (DAPI-negative) lymphocytes. Flow cytometry and data analysis were performed using a BD LSRFortessa™ X-20 Cell Analyzer System and FlowJo™ software. Data shown on this Technical Data Sheet are not lot specific.
APC Mouse Anti-Human CD25
CD25 expression on activated lymphocytes. Human PBMC were stimulated with PHA (3 days). Cells were stained with APC Mouse IgG1, κ Isotype Control (dashed line histogram) or APC Mouse Anti-Human CD25 (solid line histogram). A CD25 expression (or Ig Isotype control staining) histogram was derived from gated events with light-scatter characteristics of viable lymphoblasts. A BD LSRFortessa™ X-20 Cell Analyzer System and FlowJo™ software were used.
Two-color flow cytometric analysis of CD25 expression on unstimulated peripheral blood lymphocytes. Human whole blood was stained with PE Mouse Anti-Human CD4 antibody (Cat. No. 555347/561843/561844) and either APC Mouse IgG1, κ Isotype Control (Cat. No.554681; Left Plot) or APC Mouse Anti-Human CD25 antibody (Cat. No. 567316/567317; Right Plot) at 0.5 µg/test. Erythrocytes were lysed with BD FACS™ Lysing Solution (Cat. No. 349202). Bivariate pseudocolor density plots showing the correlated expression of CD25 (or Ig Isotype control staining) versus CD4 were derived from gated events with the forward and side light-scatter characteristics of viable (DAPI-negative) lymphocytes. Flow cytometry and data analysis were performed using a BD LSRFortessa™ X-20 Cell Analyzer System and FlowJo™ software. Data shown on this Technical Data Sheet are not lot specific.
CD25 expression on activated lymphocytes. Human PBMC were stimulated with PHA (3 days). Cells were stained with APC Mouse IgG1, κ Isotype Control (dashed line histogram) or APC Mouse Anti-Human CD25 (solid line histogram). A CD25 expression (or Ig Isotype control staining) histogram was derived from gated events with light-scatter characteristics of viable lymphoblasts. A BD LSRFortessa™ X-20 Cell Analyzer System and FlowJo™ software were used.
Product Details
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BD Pharmingen™
IL-2Rα; IL2RA; TAC antigen; TCGFR; p55
Human (QC Testing)
Mouse BALB/c IgG1, κ
Recombinant Human CD25
Flow cytometry (Routinely Tested)
5 µl
V C012
3559
Aqueous buffered solution containing BSA and ≤0.09% sodium azide.
RUO


Preparation And Storage

Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated to the dye under optimum conditions and unconjugated antibody and free dye were removed.

Recommended Assay Procedures

BD™ CompBeads can be used as surrogates to assess fluorescence spillover (Compensation).  When fluorochrome conjugated antibodies are bound to CompBeads, they have spectral properties very similar to cells.   However, for some fluorochromes there can be small differences in spectral emissions compared to cells, resulting in spillover values that differ when compared to biological controls.  It is strongly recommended that when using a reagent for the first time, users compare the spillover on cell and CompBead to ensure that BD Comp beads are appropriate for your specific cellular application.

Product Notices

  1. This reagent has been pre-diluted for use at the recommended Volume per Test. We typically use 1 × 10^6 cells in a 100-µl experimental sample (a test).
  2. An isotype control should be used at the same concentration as the antibody of interest.
  3. Source of all serum proteins is from USDA inspected abattoirs located in the United States.
  4. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
  5. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
  6. This APC-conjugated reagent can be used in any flow cytometer equipped with a dye, HeNe, or red diode laser.
  7. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
  8. Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
567317 Rev. 2
Antibody Details
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BC96

The BC96 monoclonal antibody specifically binds to human CD25, the low-affinity alpha subunit of the Interleukin-2 Receptor (IL-2Rα), which is also known as TAC antigen. IL2RA encodes CD25 which is a 55 kDa type I transmembrane glycoprotein comprised of an extracellular region with two Complement Control Protein domains (CCP) followed by a transmembrane region and a short cytoplasmic tail. CD25 is constitutively expressed at high levels on natural T regulatory cells and variably expressed on conventional T cells and B cells and their precursors, NK cells, monocytes, and macrophages. CD25 expression can be highly upregulated upon antigenic or mitogenic stimulation of T cells or B cells. A soluble form of CD25 is found in biological fluids due to proteolytic cleavage of the extracellular region of transmembrane CD25. CD25 noncovalently associates with CD122 (IL-2Rβ chain) and CD132 (IL-2Rγ, also known as the common γ chain or γc) to form the high-affinity signal-transducing IL-2R complex (IL-2Rαβγ).  This heterotrimeric receptor mediates biological activities of IL-2 which can act as a cellular activation, growth, and differentiation factor and regulator of cell viability. Analysis of CD25 expression can be used to characterize the nature of normal leucocytes in their resting states or activated during inflammatory or immune responses as well as those present in certain disease states.

567317 Rev. 2
Format Details
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APC
Allophycocyanin (APC), is part of the BD family of phycobiliprotein dyes. This fluorochrome is a multimeric fluorescent phycobiliprotein with excitation maximum (Ex Max) of 651 nm and an emission maximum (Em Max) at 660 nm. APC is designed to be excited by the Red (627-640 nm) laser and detected using an optical filter centered near 660 nm (e.g., a 660/20 nm bandpass filter). Please ensure that your instrument’s configurations (lasers and optical filters) are appropriate for this dye.
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APC
Red 627-640 nm
651 nm
660 nm
567317 Rev.2
Citations & References
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View product citations for antibody "567317" on CiteAb

Development References (4)

  1. Chapel A, Bensussan A, Vilmer E, Dormont D. Differential human immunodeficiency virus expression in CD4+ cloned lymphocytes: from viral latency to replication.. J Virol. 1992; 66(6):3966-70. (Immunogen: Flow cytometry). View Reference
  2. Knapp W. W. Knapp .. et al., ed. Leucocyte typing IV : white cell differentiation antigens. Oxford New York: Oxford University Press; 1989:1-1182.
  3. Poszepczynska E, Bagot M, Echchakir H, et al. Functional characterization of an IL-7-dependent CD4(+)CD8alphaalpha(+) Th3-type malignant cell line derived from a patient with a cutaneous T-cell lymphoma.. 2000; 96(3):1056-63. (Clone-specific). View Reference
  4. Schlossman SF. Stuart F. Schlossman .. et al., ed. Leucocyte typing V : white cell differentiation antigens : proceedings of the fifth international workshop and conference held in Boston, USA, 3-7 November, 1993. Oxford: Oxford University Press; 1995.
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567317 Rev. 2

 

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Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims.  Comparisons are not made against non-BD technologies, unless otherwise noted.

For Research Use Only. Not for use in diagnostic or therapeutic procedures.