- PC61 (See other available formats)
- Regulatory Status
- Other Names
- IL-2Rα, Ly-43, p55, Tac
- Rat IgG1, λ
- Ave. Rating
- Submit a Review
- Product Citations
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CD25 is a 55 kD glycoprotein also known as the low affinity IL-2Rα, Ly-43, p55, or Tac. It is expressed on activated T and B cells, thymocyte subsets, pre-B cells, and T regulatory cells. In association with CD122 (IL-2Rβ) and CD132 (common γ chain), CD25 forms the high affinity signaling IL-2 receptor.Product Details
- Antibody Type
- Host Species
- IL-2-dependent cytolytic mouse T-cell clone B6.1
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
- The antibody was purified by affinity chromatography and conjugated with APC/Fire™ 750 under optimal conditions.
- 0.2 mg/ml
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
FC - Quality tested
- Recommended Usage
Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤0.5 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.
* APC/Fire™ 750 has a maximum excitation of 650 nm and a maximum emission of 787 nm.
- Application Notes
Additional reported applications (for the relevant formats) include: immunoprecipitation1,2, in vitro blocking of IL-2 binding to low- and high-affinity receptors1-4, growth inhibition of IL-2-dependent T-cell lines1-4, in vivo depletion of CD25+CD4+ Treg cells5-8,10, and immunohistochemical staining of acetone-fixed frozen sections2. PC61 antibody recognizes a different epitope than 3C7 antibody (Cat. No. 101902). For in vivo studies or highly sensitive assays, we recommend Ultra-LEAF™ purified antibody (Cat. No. 102040) with endotoxin < 0.01 EU/µg, Azide-Free, 0.2 µm filtered.
(PubMed link indicates BioLegend citation)
- Lowenthal JW, et al. 1985. Nature 315:669. (IP, Block)
- Ceredig R, et al. 1985. Nature 314:98. (IP, IHC, Block)
- Lowenthal JW, et al. 1985. J. Immunol. 135:3988. (Block)
- Moreau JL, et al. 1987. Eur. J. Immunol. 17:929. (Block)
- Takahashi T, et al. 2000. J. Exp. Med. 192:303. (Deplete)
- Onizuka S, et al. 1999. Cancer Res. 59:3128. (Deplete)
- Lei TC, et al. 2005. Blood 105:4865. (Deplete)
- Pasare C, et al. 2004. Immunity 21:733. (Deplete)
- León-Ponte M, et al. 2007. Blood 109:3139.
- Cao OW, et al. 2007. Blood doi:10.1182/blood-2007-02-073304. (Deplete)
- Benson MJ, et al. 2007. J. Exp. Med. doi:10.1084/jem.20070719.
- Liu F, et al. 2011. Arch Toxicol. 85:1383. PubMed
- Anguela XM, et al. 2013. Diabetes. 62:551. PubMed
- Product Citations
AB_2616734 (BioLegend Cat. No. 102053)
AB_2616735 (BioLegend Cat. No. 102054)
- Forms high affinity IL-2R with IL-2Rβ (CD122) and IL-2Rγ (CD132), 55 kD
Activated T cells and B cells, thymocyte subset, pre-B cells, T regulatory cells
- IL-2 receptor
- Cell Type
- B cells, T cells, Thymocytes, Tregs
- Biology Area
- Molecular Family
- CD Molecules, Cytokine/Chemokine Receptors
- Antigen References
- Taniguchi T, et al. 1993. Cell 73:5-8.
- Waldmann TA. 1991. J Biol Chem. 266:2681-4.
- Read S, et al. 2000. J Exp Med. 192:295-302.
- Lowenthal JW, et al. 1985. J Immunol. 135:3988-94.
- Gene ID
- 16184 View all products for this Gene ID
- View information about CD25 on UniProt.org
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