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          • Primary Antibodies ›
          • CD28 Antibodies

          Invitrogen

          CD28 Monoclonal Antibody (37.51), Functional Grade, eBioscience™

          175 References
          View all (167) CD28 antibodies

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          Datasheet
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          Cite CD28 Monoclonal Antibody (37.51), Functional Grade, eBioscience™

          • Antibody Testing Data (1)
          CD28 Antibody in Flow Cytometry (Flow)
          Group 53 Created with Sketch.
          CD28 Antibody in Flow Cytometry (Flow)
          Group 53 Created with Sketch.

          FIGURE: 1 / 1

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          CD28 Antibody (16-0281-82) in Flow

          Staining of BALB/c thymocytes with 0.25 µg of Golden Syrian Hamster IgG Isotype Control Functional Grade Purified (Product # 16-4914-85) (open histogram) or 0.25 µg of Anti-Mouse CD28 Functional Grade Purified (filled histogram) followed by Anti-Golden Syrian Hamster IgG FITC (Product # 11-4211-85). Cells in the lymphocyte gate were used for analysis. {{ $ctrl.currentElement.advancedVerification.fullName }} validation info. View more
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          View Product

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          CD28 Antibody in Flow Cytometry (Flow)

          Product Details

          16-0281-82

          Applications
          Tested Dilution
          Publications

          Western Blot (WB)

          -
          View 1 publication 1 publication

          Immunohistochemistry (IHC)

          -
          View 1 publication 1 publication

          Flow Cytometry (Flow)

          0.5 µg/test
          View 64 publications 64 publications

          ELISA (ELISA)

          -
          View 2 publications 2 publications

          Functional Assay (Functional)

          Assay-Dependent
          View 79 publications 79 publications

          Inhibition Assays (IA)

          -
          View 1 publication 1 publication

          T-Cell Activation (TCA)

          -
          View 8 publications 8 publications

          Affinity Purification (AP)

          -
          View 1 publication 1 publication

          In vitro Assay (IV)

          -
          View 13 publications 13 publications

          Miscellaneous PubMed (MISC)

          -
          View 5 publications 5 publications
          Product Specifications

          Species Reactivity

          Mouse

          Published species

          Human, Mouse

          Host/Isotype

          Syrian hamster / IgG

          Recommended Isotype Control

          Syrian Hamster IgG Isotype Control, Functional Grade, eBioscience™

          Class

          Monoclonal

          Type

          Antibody

          Clone

          37.51

          Conjugate

          Functional Grade Functional Grade Functional Grade
          • Unconjugated
          • APC 
          • Biotin 
          • PE 
          • PE-Cyanine7
          • PerCP-Cyanine5.5
          • Request custom conjugation

          Form

          Liquid

          Concentration

          1 mg/mL

          Purification

          Affinity chromatography

          Storage buffer

          PBS, pH 7.2

          Contains

          no preservative

          Storage conditions

          4°C

          Shipping conditions

          Ambient (domestic); Wet ice (international)

          RRID

          AB_468921

          Product Specific Information

          Description: The 37.51 monoclonal antibody reacts with the mouse CD28 molecule, a 45 kDa homodimer expressed by thymocytes, mature T cells and NK cells. CD28 is a ligand for CD80 (B7-1) and CD86 (B7-2) and is a potent costimulator of T cells. Signaling through CD28 augments IL-2 and IL-2 receptor expression as well as cytotoxicity of CD3-activated T cells.

          Applications Reported: The 37.51 antibody has been reported for use in flow cytometric analysis. 37.51 has also been reported in costimulation of T cells in vitro and in vivo .

          Applications Tested: The 37.51 antibody has been tested by flow cytometric analysis of mouse splenocytes. This can be used at less than or equal to 0.5 µg per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.

          Storage and handling: Use in a sterile environment.

          Filtration: 0.2 µm post-manufacturing filtered.

          Purity: Greater than 90%, as determined by SDS-PAGE.

          Endotoxin Level: Less than 0.001 ng/µg antibody, as determined by LAL assay.

          Aggregation: Less than 10%, as determined by HPLC.

          Target Information

          CD28 antigen is a 44 kDa disulfide linked homodimeric T cell specific surface glycoprotein. CD28 is a cell adhesion molecule of the immunoglobulin superfamily which is constitutively expressed on most peripheral blood T lymphocytes. Moreover, CD28 is the critical T cell costimulatory receptor that provides the cell the important second activation signal by binding CD80 and CD86 which are expressed by antigen presenting cells. In addition to its co-stimulation role, CD28 functions by preventing T cells from entering an anergic-hyporesponsive state or from undergoing premature apoptotic cell death. In murine peripheral lymphoid organs and in the blood, all CD4+ and CD8+ T cells express CD28. In the thymus, CD28 expression is highest on immature CD3-, CD8+ and CD4+8+ cells, and on CD4-8- cells that express alpha/beta and gamma/delta TCR. The level of CD28 on mature CD4+ and CD8+ alpha/beta TCR+ thymocytes is two- to fourfold lower than on the immature cells. Diseases associated with CD28 dysfunction include mycosis fungiodes and Sezary's Disease.

          For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

          Bioinformatics

          Protein Aliases: CD28; MGC138290; sCD28; soluble CD28; T-cell-specific surface glycoprotein CD28; T44

          View more View less

          Gene Aliases: Cd28

          View more View less

          UniProt ID: (Mouse) P31041

          View more View less

          Entrez Gene ID: (Mouse) 12487

          View more View less

          Function(s)
          protease binding SH3/SH2 adaptor activity protein homodimerization activity
          Process(es)
          positive regulation of inflammatory response to antigenic stimulus immune response positive regulation of signal transduction positive regulation of phosphatidylinositol 3-kinase signaling T cell costimulation positive regulation of T cell proliferation T cell activation negative thymic T cell selection regulatory T cell differentiation positive regulation of interleukin-2 biosynthetic process positive regulation of mitotic nuclear division positive regulation of transcription from RNA polymerase II promoter positive regulation of alpha-beta T cell proliferation positive regulation of isotype switching to IgG isotypes T cell receptor signaling pathway positive regulation of protein kinase B signaling apoptotic signaling pathway
          It has to be done as per old AB suggested Products section.
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          Performance Guarantee

          If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*

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