- UC10-4B9 (See other available formats)
- Other Names
- Cytotoxic T Lymphocyte-Associated Antigen-4 (CTLA-4), Ly-56
- Armenian Hamster IgG
- Ave. Rating
- Submit a Review
- Product Citations
|Cat #||Size||Price||Quantity Avail.||Save|
|106303||50 µg||60 CHF|
|106304||500 µg||235 CHF|
CD152, also known as CTLA-4 or Ly-56, is a 33 kD member of the immunoglobulin superfamily. It is expressed on activated T and B lymphocytes. CD152 is similar to CD28 in amino acid sequence, structure, and genomic organization and these two receptors share common B7 family counter-receptors (B7-1, B7-2). Whereas CD28 delivers a costimulatory signal in T cell activation, CTLA-4 negatively regulates cell-mediated immune responses. CD152 is thought to play a role in the induction and maintenance of immunological tolerance as well as the development of protective immunity and thymocyte regulation.Product Details
- Antibody Type
- Host Species
- Armenian Hamster
- Mouse CTLA-4-mouse IgG2a fusion protein
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
- The antibody was purified by affinity chromatography, and conjugated with biotin under optimal conditions.
- 0.5 mg/ml
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C. 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 ≤1.0 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.
- Application Notes
The UC10-4B9 antibody can enhance T cell co-stimulation by blocking CTLA-4 interactions with the B7 co-receptors, favoring CD28 interactions. Additional reported applications (for the relevant formats) include: immunoprecipitation1, in vitro stimulation, in vitro and in vivo blocking1-4 of ligand binding, and as ELISA capture antibody5. To reduce non-specific binding to cells bearing Fc-receptors, pre-incubation of cells with anti-mouse CD16/CD32, clone 93 (Cat. No. 101301/101302), is recommended prior to immunofluorescent staining. For most successful immunofluorescent staining results, it may be important to maximize signal over background by using a relatively bright fluorochrome-antibody conjugate (Cat. No. 106306) or by using a high sensitivity, three-layer staining technique (e.g., including a biotinylated anti-Armenian hamster IgG (Cat. No. 405501) second step, followed by SAv-PE (Cat. No. 405204)). The Ultra LEAF™ purified antibody (Endotoxin < 0.01 EU/μg, Azide-Free, 0.2 μm filtered) is recommended for functional assays (Cat. No. 106327).
(PubMed link indicates BioLegend citation)
- Walunas TL, et al. 1994. Immunity 1:405. (Block, IP)
- Cilio CM, et al. 1998. J. Exp. Med. 188:1239. (Block)
- Issazadeh S, et al. 1999. J. Immunol. 162:761. (Block)
- McCoy K, et al. 1997. J. Exp. Med. 186:183. (Block)
- Hsu HC, et al. 2007. J. Immunol. 178:5357. (ELISA Capture)
- Sugita S, et al. 2010. Invest. Ophthalmol. Vis. Sci. 51:5783. PubMed
AB_313252 (BioLegend Cat. No. 106303)
AB_313253 (BioLegend Cat. No. 106304)
- Ig superfamily, 33 kD
Activated T cells and B cells
- Negative regulator of T cell activation
- CD80 (B7-1), CD86 (B7-2)
- Cell Type
- B cells, T cells, Tregs
- Biology Area
- Molecular Family
- CD Molecules, Immune Checkpoint Receptors
- Antigen References
1. Barclay A, et al. 1997. The Leukocyte Antigen FactsBook Academic Press.
2. Allison JP, et al. 1995. Science 270:932.
3. Waterhouse P, et al. 1995. Science 270:985.
4. Linsley PS, et al. 1991. J. Exp. Med. 174:561.
- Gene ID
- 12477 View all products for this Gene ID
- View information about CD152 on UniProt.org
- How many biotin molecules are per antibody structure?
- We don't routinely measure the number of biotins with our antibody products but the number of biotin molecules range from 3-6 molecules per antibody.
Compare Data Across All Formats
This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.