- Clone
- A3.6B10.G1 (See other available formats)
- Regulatory Status
- RUO
- Other Names
- Cytotoxic T-Lymphocyte Antigen 4 (CTLA4)
- Isotype
- Mouse IgG2a, κ
- Ave. Rating
- Submit a Review
- Product Citations
- publications
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Cat # | Size | Price | Quantity Check Availability | Save | ||
---|---|---|---|---|---|---|
525401 | 50 µg | $136 | ||||
525402 | 500 µg | $475 |
CTLA-4 (Cytotoxic T-Lymphocyte Antigen 4), also known as CD152, is a protein that plays an important regulatory role in the immune system. CTLA-4 is expressed on the surface of helper T cells and transmits an inhibitory signal to T cells. Mutations in the CTLA-4 gene have been associated with various autoimmune diseases, such as systemic lupus erythematosus, insulin-dependent diabetes mellitus, and other autoimmune diseases.
An identified novel transcript of the CTLA-4 gene that may represent a native soluble form of CTLA-4 (sCTLA-4) showed that eleven of twenty patients with autoimmune thyroid disease (ATD) had a high concentration of sCTLA-4, whereas only one of thirty apparently healthy volunteers contained measurable levels. sCTLA-4 immunoreactivity was inhibited by its binding to B7.1, suggesting that sCTLA-4 is a functional receptor. sCTLA-4 also plays a role in the initial immune response to infection of immune cells by HIV, along with the CD-1 pathway and others.
Product Details
- Verified Reactivity
- Human
- Antibody Type
- Monoclonal
- Host Species
- Mouse
- Immunogen
- Extracellular domain of human CTLA-4 and human IgG1 Fc fusion protein
- Formulation
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
- Preparation
- The antibody was purified by affinity chromatography.
- Concentration
- 0.5 mg/ml
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C.
- Application
-
ELISA Capture - Quality tested
- Recommended Usage
-
Each lot of this antibody is quality control tested by ELISA assay. For ELISA capture applications, a concentration range of 1-4 µg/mL is recommended. To obtain a linear standard curve, serial dilutions of human CTLA-4 recombinant protein ranging from 2500 to 39 pg/mL are recommended for each ELISA plate. It is recommended that the reagent be titrated for optimal performance for each application.
- Application Notes
-
ELISA Capture: The purified A3.6B10.G1 antibody is useful as the capture antibody in a sandwich ELISA assay, when used in conjunction with the biotinylated L3D10 antibody (Cat. No. 349911) as the detection antibody and recombinant human CTLA-4 (Cat. No. 591909) as the standard.
Note: For testing human soluble CTLA-4 in serum, plasma or cell culture supernatant, LEGEND MAX™ Human Soluble CTLA-4 ELISA Kit with Pre-coated Plates (Cat. No. 437407 & 437408) are specially developed and recommended.
This clone has been tested in-house and determined to not be suitable for applications in immunohistochemistry of frozen or paraffin-embedded tissue sections (IHC-F or IHC-P). - Product Citations
-
- RRID
-
AB_2562988 (BioLegend Cat. No. 525401)
AB_2563003 (BioLegend Cat. No. 525402)
Antigen Details
- Structure
- Ig superfamily, 33 kD
- Distribution
-
Activated T cells and B cells
- Function
- Negative regulator of T cell activation
- Interaction
- Antigen presenting cells, such as dendritic cells
- Ligand/Receptor
- B7-1 (CD80), B7-2 (CD86)
- Cell Type
- T cells, B cells, Dendritic cells, Tregs
- Biology Area
- Immunology, Inhibitory Molecules
- Molecular Family
- CD Molecules, Immune Checkpoint Receptors
- Antigen References
-
1. Barclay N, et al. The Leukocyte Antigen FactsBook. Academic Press Inc. San Diego.
2. Kuiper H, et al. 1995. J. Immunol. 155:1776.
3. Lindsten T, et al. 1993. J. Immunol. 151:3489.
4. Morton P, et al. 1996. J. Immunol. 156:1047. - Gene ID
- 1493 View all products for this Gene ID
- UniProt
- View information about CD152 on UniProt.org
Other Formats
View All CD152 (CTLA-4) Reagents Request Custom ConjugationDescription | Clone | Applications |
---|---|---|
Purified anti-human CD152 (CTLA-4) | A3.6B10.G1 | ELISA Capture |
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