货号 | FAB1020P-025 |
别名 | CD25 antigen; CD25; IDDM10; IL-2 R alpha; IL-2 receptor subunit alpha; IL-2R subunit alpha; IL2R; IL2RA; IL-2-RA; IL2-RA; interleukin 2 receptor, alpha; interleukin-2 receptor subunit alpha; p55; TAC antigen; TCGFR | 全称 | Interleukin 2 Receptor alpha |
反应种属 | Human |
应用 | Flow Cytometry(10 µL/106cells) |
目标/特异性 | Detects human CD25/IL-2 R alpha in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human (rh) IL‑2 R gamma or rhIL‑15 R alpha is observed. |
使用方法 | Flow Cytometry: 10 µL/106cells |
来源 | The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below. |
产品组分 |
供应商 | R&D Systems |
Entrez Gene IDs | 3559 (Human); 16184 (Mouse); 25704 (Rat); 403870 (Canine) |
应用文献 | |
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions. Qualitatively different T cell phenotypic responses to IL-2 versus IL-15 are unified by identical dependences on receptor signal strength and duration. | |
纯化方式 | Protein A or G purified from hybridoma culture supernatant |
免疫原 | S. frugiperda insect ovarian cell line Sf 21-derived recombinant human CD25/IL-2 R alpha Glu22-Cys213 Accession # P01589 |
生物活性 | Human |
标记 | Phycoerythrin |
背景 | Human CD25, also known as IL-2 receptor alpha (IL-2 R alpha ) and asTac antigen, was initially identified as a 55 kDa membrane glycoprotein that is capable of binding IL‑2. The IL-2 R alpha cDNA encodes a 272 amino acid residue precursor Type I membrane protein with a 21 residue signal peptide, a 219 residue extracellular region, a 19 residue transmembrane region and a 13 residue cytoplasmic domain. IL-2 R alpha lacks structural features characteristic of members of the cytokine receptor superfamily. By itself, IL-2 R alpha binds IL-2 with low affinity. However, when IL-2 R alpha is associated with the IL-2 receptor beta and gamma chains, a high affinity heterotrimeric receptor complex that transduces IL-2 signals is formed. Soluble forms of many cytokine receptors have been reported, and a soluble form of IL-2 R alpha (IL-2 sR alpha ) appears in serum, concomitant with its increased expression on cells. The function of the soluble IL-2 R alpha is unclear. Increased levels of IL-2 sR alpha in biological fluids reportedly correlate with increased T and B cell activation and immune system activation. Increased serum concentration of IL-2 sR alpha has been observed in patients with a variety of inflammatory conditions and in the course of some leukemias and lymphomas. |
运输条件 | Blue Ice |
存放说明 | 4℃ |
参考文献 |
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Detection of Human CD25/IL-2 R alpha in Human PBMCs by Flow Cytometry. Human peripheral blood mononuclear cells (PBMCs) treated with 20 ng/mL Recombinant Human IL‑2 (Catalog # 202-IL) and 10 ng/mL Recombinant Human TGF‑ beta 1 (Catalog # 240-B) for 2 days were stained with Mouse Anti-Human CD4 APC‑conjugated Monoclonal Antibody (Catalog # FAB3791A) and either (A) Mouse Anti-Human CD25/IL-2 R alpha PE‑conjugated Monoclonal Antibody (Catalog # FAB1020P) or (B) Mouse IgG2A Phycoerythrin Isotype Control (Catalog # IC003P). View our protocol for Staining Membrane-associated Proteins. |