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CD25 / IL-2RA Antibody (FITC), Rabbit MAb

  • Human IL2RA/IL-2RA/CD25 Flow Cytometry (FC) 4981
  • CD25 / IL-2RA Antibody (FITC), Rabbit MAb, Flow Cytometry
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Human IL2RA Antibody Product Information
Immunogen:Recombinant Human CD25 / IL-2RA protein (Catalog#10165-H08H)
Clone ID:216
Ig Type:Rabbit IgG
Concentration:5 μl/Test, 0.1 mg/ml
Formulation:Aqueous solution containing 0.5% BSA and 0.1% sodium azide
Preparation:This antibody was obtained from a rabbit immunized with purified, recombinant Human CD25 / IL-2RA (rh CD25 / IL-2RA; Catalog#10165-H08H; NP_000408.1; Met 1-Cys213) and conjugated with FITC under optimum conditions, the unreacted FITC was removed.
Human IL2RA Antibody FC Application Image
CD25 / IL-2RA Antibody (FITC), Rabbit MAb, Flow Cytometry
[Click to enlarge image]
Flow cytometric analysis of IL2RA(CD25) expression on stimulated human peripheral blood lymphocytes. Human peripheral blood mononuclear cells were stimulated for 3 days with Phytohemagglutinin, then stained with FITC-conjugated anti-Human IL2RA(CD25). The fluorescence histograms were derived from events with the forward and side light-scatter characteristics of viable lymphocytes.
Other IL2RA Antibody Products
IL2RA/IL-2RA/CD25 Background

CD25 (alpha-chain of IL-2 receptor, or IL2RA), is a type I transmembrane glycoprotein with a signal peptide, an extracellular region, a transmembrane region, and a cytoplasmic domain. IL2RA is expressed on activated T cells and regulatory T cells, and is capable of binding IL2 with low affinity by itself. However, a ligand-induced high affinity heterotrimeric receptor complex is produced when IL2RA is associated non-covelently with the IL2 receptor beta and gamma chain, and subsequently initiates the intacellular signal pathways such as MAPK or JAK/STAT. On dendritic cells (DC), CD25 has been previously regarded as an activation marker, while both murine and human DC can express CD25, they do not express the beta-chain of the IL-2 receptor, which is indispensable for the execution of IL-2 signaling. The IL2RA (CD25) gene is a substantial component of the high-affinity receptor molecule highly expressed by activated T lymphocytes. Recently, a strong evidence was obtained for the involvement of IL-2RA in conferring susceptibility to type 1 diabetes (T1D). Cancer growth and development is associated with the stimulation of the innate immune system, including enhanced interleukin 2 receptor (IL-2R) expression in immune cells and its shedding into the circulation in a soluble form of sIL-2Ralpha. In most haematological malignancies, including different types of leukaemias and lymphomas, sIL-2Ralpha has been found to be released directly from the surface of neoplastic cells thus reflecting the tumour bulk, turnover and activity. Several studies have proved that not only lymphoid cancer cells, but also some non-lymphoid cancer cells, express IL-2R on their surface. They include malignant melanoma and carcinomas of the kidney, head and neck, oesophagus and lung. Thus, sIL-2Ralpha is elevated in most proliferative disturbances of the hematopoietic system and in many solid tumors.

Immune Checkpoint   Immunotherapy   Cancer Immunotherapy   Targeted Therapy

Human IL2RA/IL-2RA/CD25 References
  • Driesen J, et al. (2008) CD25 as an immune regulatory molecule expressed on myeloid dendritic cells. Immunobiology. 213(9-10): 849-58.
  • Olejniczak K, et al. (2008) Biological properties of interleukin 2 and its role in pathogenesis of selected diseases--a review. Med Sci Monit. 14(10): RA179-89.
  • Chistiakov DA, et al. (2008) The crucial role of IL-2/IL-2RA-mediated immune regulation in the pathogenesis of type 1 diabetes, an evidence coming from genetic and animal model studies. Immunol Lett. 118(1): 1-5.
  • Bien E, et al. (2008) Serum soluble interleukin 2 receptor alpha in human cancer of adults and children: a review. Biomarkers. 13(1): 1-26.
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    Catalog: 10165-R216-F-100
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    100 Tests
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    Datasheet & Documentation

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