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CyFlow™ CD25 Purified

CyFlow™ CD25 Purified
Antigen: CD25
Alternative Name: IL-2R, p55, TAC
Clone: MEM-140
Application: Flow cytometry, Immunoprecipitation
Format/Fluorochrome: Purified
Target Species: Human
Field of Interest: Immunophenotyping
Species of Origin: Mouse
Regulatory Status: RUO
Clonality: monoclonal
Isotype: IgM
Order number: AM917650

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 Purified
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.
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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