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CyFlow™ CD25 Biotin

CyFlow™ CD25 Biotin
Antigen: CD25
Alternative Name: IL-2R, p55, TAC
Clone: MEM-140
Application: Flow cytometry
Format/Fluorochrome: Biotin
Target Species: Human
Field of Interest: Immunophenotyping
Species of Origin: Mouse
Regulatory Status: RUO
Clonality: monoclonal
Isotype: IgM
Order number: AW014661

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

Concentration 1 mg/ml Quantity 0.1 mg Volume 0.1 ml Immunogen PHA-activated... more
CyFlow™ CD25 Biotin
Concentration1 mg/ml
Quantity0.1 mg
Volume0.1 ml
ImmunogenPHA-activated peripheral blood leucocytes
SpecifityThe mouse monoclonal antibody MEM-140 recognizes CD25 antigen, a 55 kDa type I transmembrane glycoprotein expressed on activated B and T lymphocytes, activated monocytes/macrophages and on CD4+ T lymphocytes (T regulatory cells); it is lost on resting B and T lymphocytes.
Background InformationCD25 (IL2Rα, Tac) is a ligand-binding α subunit of interleukin 2 receptor (IL2R). Together with β and γ subunit CD25 constitues the high affinity IL2R, whereas CD25 alone serves as the low affinity IL2R. CD25 expression rapidly increases upon T cell activation. The 55 kDa CD25 molecule is enzymatically cleaved and shed from the cell surface as a soluble 45 kDa s-Tac, whose concentration in serum can be used as a marker of T cell activation. Expression of CD25 indicates the neoplastic phenotype of mast cells. Humanized anti CD25 antibodies represent a useful tool to reduce the incidence of allograft rejection as well as the severity of graft versus host reaction, and radioimmunoconjugates of anti-CD25 antibodies can be used against CD25 expressing lymphomas.
UsageThe reagent is designed for indirect immunofluorescence analysis by Flow Cytometry. Suggested working usage is 5·µg/ml. Indicated dilution is recommended starting point for use of this product, but working concentrations should be validated by the investigator.
Storage BufferThe reagent is provided in Tris buffered saline (TBS) solution, pH ≈8.0, containing 0.1% (w/v) sodium azide.
StorageAvoid prolonged exposure to light. Store in the dark at 2-8°C. Do not freeze.
StabilityDo not use after expiration date stamped on vial label.

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