Mouse CTLA-4 Antibody

Catalog # Availability Size / Price Qty
AF476
AF476-SP
Product Details
Citations (2)
FAQs
Supplemental Products
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Mouse CTLA-4 Antibody Summary

Species Reactivity
Mouse
Specificity
Detects mouse CTLA-4 in ELISAs and Western blots. In sandwich immunoassays, less than 1% cross-reactivity with recombinant human CTLA‑4, recombinant mouse (rm) CD28, rmICOS, and rmPD-1 is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant mouse CTLA-4
Ala37-Phe162
Accession # Q6GTR6
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Mouse CTLA‑4 Fc Chimera (Catalog # 434-CT)

Mouse CTLA-4 Sandwich Immunoassay

Recommended Concentration
Reagent
ELISA Capture (Matched Antibody Pair)
0.2-0.8 µg/mL 

Use in combination with:

Detection Reagent: Mouse CTLA‑4 Biotinylated Antibody (Catalog # BAF476)

Standard: Recombinant Mouse CTLA-4 Fc Chimera Protein (Catalog # 434-CT)

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CTLA-4

CTLA-4 and CD28, together with their ligands B7-1 and B7-2, constitute one of the dominant costimulatory pathways that regulate T- and B-cell responses. CTLA-4 and CD28 are structurally homologous molecules that are members of the immunoglobulin (Ig) gene superfamily. Both CTLA-4 and CD28 are composed of a single
Ig V‑like extracellular domain, a transmembrane domain and an intracellular domain. CTLA-4 and CD28 are both expressed on the cell surface as disulfide-linked homodimers or as monomers. The genes encoding these two molecules are closely linked on human chromosome 2. CTLA-4 was originally identified as a gene that was specifically expressed by cytotoxic T lymphocytes. However, CTLA-4 transcripts have since been found in both Th1 and Th2, and CD4+ and CD8+ T cell clones. Whereas, CD28 expression is constitutive on the surfaces of 95% of CD4+ T cells and 50% of CD8+ T cells and is down regulated upon T cell activation, CTLA-4 expression is upregulated rapidly following T cell activation and peaks approximately 24 hours following activation. Although both CTLA-4 and CD28 can bind to the same ligands, CTLA-4 binds to B7-1 and B7-2 with 20-100-fold higher affinity than CD28. The physiological role of CTLA-4 in T cell costimulation is currently being studied.

References
  1. Lenschow, D.J. et al. (1996) Annu. Rev. Immunol. 14:233.
  2. Hathcock, K.S. and R.J. Hodes (1996) Advances in Immunol. 62:131.
  3. Ward, S.G. (1996) Biochem. J. 318:361.
Long Name
Cytotoxic T-lymphocyte-associated Molecule 4
Entrez Gene IDs
1493 (Human); 12477 (Mouse); 403696 (Canine); 102115124 (Cynomolgus Monkey)
Alternate Names
CD; CD152 antigen; CD152; CD152IDDM12; CD28; celiac disease 3; CELIAC3; CTLA4; CTLA-4; cytotoxic T-lymphocyte antigen 4; cytotoxic T-lymphocyte protein 4; Cytotoxic T-lymphocyte-associated antigen 4; cytotoxic T-lymphocyte-associated protein 4; cytotoxic T-lymphocyte-associated serine esterase-4; GRD4; GSE; ICOS; ligand and transmembrane spliced cytotoxic T lymphocyte associated antigen 4

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Citations for Mouse CTLA-4 Antibody

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.

2 Citations: Showing 1 - 2
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  1. The Circadian Clock Controls Immune Checkpoint Pathway in Sepsis
    Authors: W Deng, S Zhu, L Zeng, J Liu, R Kang, M Yang, L Cao, H Wang, TR Billiar, J Jiang, M Xie, D Tang
    Cell Rep, 2018-07-10;24(2):366-378.
    Species: Mouse
    Sample Types: Cell Lysates
    Applications: Western Blot
  2. Marked prolongation of cardiac allograft survival by dendritic cells genetically engineered with NF-kappa B oligodeoxyribonucleotide decoys and adenoviral vectors encoding CTLA4-Ig.
    Authors: Bonham CA, ž²¢6ï[, Peng L, Liang X, Chen Z, Wang L, Ma L, Hackstein H, Robbins PD, Thomson AW, Fung JJ, Qian S, Lu L
    2002-09-15;169(6):3382-91.
    Species: Mouse
    Sample Types: Serum
    Applications: ELISA Development

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