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APC Anti-Human CD152 (CTLA-4) (BNI3) Antibody

     
  • FC - APC Anti-Human CD152 (CTLA-4) (BNI3) Antibody ATB10041-T025
    Human peripheral blood lymphocytes were stained with PE Anti-Human CD4 (50-0048), FITC Anti-Human CD45RO (35-0457) followed by intracellular staining with 5 uL (0.125 ug) APC Anti-Human CD152 (ATB10041) (solid line) or 0.125 ug APC Mouse IgG2a isotype cont
    detail
  • FC - APC Anti-Human CD152 (CTLA-4) (BNI3) Antibody ATB10041-T025
    Human peripheral blood lymphocytes were stained with PE Anti-Human CD4, FITC Anti-Human CD45RO, followed by intracellular staining with the recommended volume of APC Anti-Human CD152 (BNI3) manufactured by Tonbo Biosciences (left panel) or BD Biosciences
    detail
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Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immuno electron microscopy
  • EIA=Enzyme Immunoassay
FC
Isotype Mouse IgG2a, kappa
Concentration 5 uL (0.125 ug)/test
Reactivity Human
Formulation 10 mM NaH2PO4, 150 mM NaCl, 0.09% NaN3, 0.1% gelatin, pH7.2
Host Mouse
Additional Information
Gene ID 1493
Gene Name CTLA4
Alternative Name(s) Cytotoxic T-Lymphocyte Antigen 4, CTLA4
Format APC
Preparation This monoclonal antibody was purified from tissue culture supernatant via affinity chromatography. The purified antibody was conjugated under optimal conditions, with unreacted dye removed from the preparation. It is recommended to store the product undiluted at 4°C, and protected from prolonged exposure to light. Do not freeze.
Application Notes This antibody preparation has been pre-titrated and quality-tested for flow cytometry using an appropriate cell type. The antibody has been diluted for use at 5 uL per test, defined as the amount of antibody that will stain a cell sample in a final volume of approximately 100 uL. The number of cells within a sample should be determined empirically, but typically ranges between 1x10e5 to 1x10e8 cells.
Storage Conditions 2-8°C protected from light
Research Areas

Moreno-Fernandez ME, Rueda CM, Rusie LK, and Chougnet CA. 2011. Blood. 117: 5372-5380. (in vitro blocking)

Schonfeld D, Matschiner G, Chatwell L, Trentmann S, Gille H, Hulsmeyer M, Brown N, Kaye PM, Schlehuber S, Hohlbaum AM and Skerra A. 2009. 106: 8198-8203. (Immunohistochemistry – frozen tissue)

Rivas MN, Weatherly K, Hazzan M, Vokaer B, Dremier S, Gaudray F, Goldman M, Salmon I, and Braun MY. 2009. 183:4284-4291. (in vitro blocking)

Bonzheim I, Geissinger E, Tinguely M, Roth S, Grieb T, Reimer P, Wilhelm M, Rosenwald A, Muller-Hermelink HK, and Rudiger T. 2008. Am. J. Clin. Pathol. 130: 613-619. (Immunohistochemistry – paraffin embedded tissue; Immunofluorescence microscopy – frozen tissue)

Young NT, Waller ECP, Patel R, Roghanian A, Austyn JM, and Trowsdale J. 2008. 111: 3090-3096. (in vitro activation)

Wei B, da Rocha Dias S, Wang H and Rudd CE. 2007. J. Immunol. 179: 400-408. (in vitro activation)

Jonuleit H, Schmitt E, Stassen M, Tuettenberg A, Knop J and Enk AH. 2001. J. Exp. Med. 193: 1285-1294 (in vitro blocking)

Oaks MK and Hallett KM. 2000. J. Immunol. 164: 5015-5018. (Immunoprecipitation; EIA – plate coating)

Background

The BNI3 antibody is specific for human CD152, commonly known as CTLA-4, a 33-37 kDa protein expressed as a homodimer on the surface of activated T and B cells, and on thymocytes. CTLA-4 is structurally similar, yet functionally disparate, to the T cell co-stimulatory molecule CD28. Both CTLA-4 and CD28 interact with the co-stimulatory molecules CD80 (B7-1) and CD86 (B7-2) on antigen-presenting cells, with CTLA-4 displaying a higher avidity than CD28. While CD28 typically delivers a potent co-stimulatory signal in support of T cell activation, CTLA-4 appears to act as a negative regulator of T cell activation and may contribute to the suppressor function of Treg cells.

CTLA-4 proteins may be initially sequestered within Golgi vesicles, from which they can be transferred to and from the cell surface, a mechanism by which Treg cells can selectively impart suppressive functions. The BNI3 antibody may be used for flow cytometric analysis of intracellular or surface CTLA-4 expression, and is also widely used for neutralization of CTLA-4 when expressed at the cell surface. The BNI3 antibody is reported to be cross-reactive with Baboon, Cynomolgus and Rhesus CTLA-4.

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$ 216.00
Cat# ATB10041-T025
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