Mouse CD28 Antibody Summary
Accession # P31041
Applications
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.
Scientific Data
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Mouse CD28 Antibody Induces Proliferation in Mouse T Cells. Rat Anti-Mouse CD28 Monoclonal Antibody (Catalog # MAB4832) induces proliferation in mouse T cells in the presence of 100 ng/mL Hamster Anti-Mouse CD3e Monoclonal Antibody (Catalog # MAB484), in a dose dependent manner, as measured by Resazurin (Catalog # AR002), The ED50 for this effect is typically 0.07-0.42 µg/mL.
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Detection of CD28 in Mouse Thymocytes by Flow Cytometry. Mouse thymocytes were stained with Rat Anti-Mouse CD28 Monoclonal Antibody (Catalog # MAB4832, filled histogram) or isotype control antibody (MAB005, open histogram), followed by Phycoerythrin-conjugated Anti-Rat IgG Secondary Antibody (F0105B). Staining was performed using our Membrane-Associated Proteins protocol.
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Detection of CD28 in CD3+Mouse Splenocytes by Flow Cytometry. CD3+mouse splenocytes were stained with Rat Anti-Mouse CD28 Monoclonal Antibody (Catalog # MAB4832, filled histogram) or isotype control antibody (Catalog # MAB005, open histogram), followed by Phycoerythrin-conjugated Anti-Rat IgG Secondary Antibody (Catalog # F0105B).
Reconstitution Calculator
Preparation and Storage
- 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: CD28
CD28 and CTLA-4, together with their ligands B7-1 and B7-2, constitute one of the dominant costimulatory pathways that regulate T and B cell responses. CD28 and CTLA-4 are structurally homologous molecules that are members of the immunoglobulin (Ig) gene superfamily. Both CD28 and CTLA-4 are composed of a single Ig
V‑like extracellular domain, a transmembrane domain and an intracellular domain. CD28 and CTLA-4 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 and mouse chromosome 1. Mouse CD28 is expressed constitutively on virtually 100% of mouse T cells and on developing thymocytes. Cell surface expression of mouse CD28 is down-regulated upon ligation of CD28 in the presence of PMA or PHA. In contrast, CTLA-4 is not expressed constitutively but is upregulated rapidly following T cell activation and CD28 ligation. Cell surface expression of CTLA-4 peaks approximately 48 hours after activation. Although both CTLA-4 and CD28 can bind to the same ligands, CTLA-4 binds to
B7‑1 and B7‑2 with a 20-100 fold higher affinity than CD28. CD28/B7 interaction has been shown to prevent apoptosis of activated T cells via the up-regulation of
Bcl‑xL. CD28 ligation has also been shown to regulate Th1/Th2 differentiation. Agonist activity has been reported using MAB4831 (4,5).
- Lenschow, D.J. et al. (1996) Annu. Rev. Immunol. 14:233.
- Hathcock, K.S. and R.J. Hodes (1996) Advances in Immunol. 62:131.
- Ward, S.G. (1996) Biochem. J. 318:361.
- Nguyen, P. et al. (2003) Blood 13:4320.
- Orbach, A. et al. (2007) J. Immunol. 179:7287.
Product Datasheets
Citations for Mouse CD28 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.
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Citations: Showing 1 - 6
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MicroRNA‑30a controls the instability of inducible CD4+ Tregs through SOCS1
Authors: Ya Zhou, Yongju Li, Jia Lu, Xiaowu Hong, Lin Xu
Molecular Medicine Reports
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The YAP/HIF-1&alpha/miR-182/EGR2 axis is implicated in asthma severity through the control of Th17 cell differentiation
Authors: J Zhou, N Zhang, W Zhang, C Lu, F Xu
Cell & bioscience, 2021-05-12;11(1):84.
Species: Mouse
Sample Types: Whole Cells
Applications: Neutralization -
Crucial role of OX40/OX40L signaling in a murine model of asthma
Authors: W Lei, D Zeng, G Liu, Y Zhu, J Wang, H Wu, J Jiang, J Huang
Mol Med Rep, 2018-01-18;0(0):.
Species: Mouse
Sample Types: Whole Cells
Applications: Functional Assay -
Aloperine Protects Mice against DSS-Induced Colitis by PP2A-Mediated PI3K/Akt/mTOR Signaling Suppression
Authors: X Fu, F Sun, F Wang, J Zhang, B Zheng, J Zhong, T Yue, X Zheng, JF Xu, CY Wang
Mediators Inflamm., 2017-09-19;2017(0):5706152.
Species: Mouse
Sample Types: Whole Cells
Applications: Functional Assay -
The excretory-secretory products of Echinococcus granulosus protoscoleces directly regulate the differentiation of B10, B17 and Th17 cells
Authors: W Pan, WT Hao, YJ Shen, XY Li, YJ Wang, FF Sun, JH Yin, J Zhang, RX Tang, JP Cao, KY Zheng
Parasit Vectors, 2017-07-21;10(1):348.
Species: Mouse
Sample Types: Whole Cells
Applications: Functional Assay -
Temporal Expression of Bim Limits the Development of Agonist-Selected Thymocytes and Skews Their TCR? Repertoire
Authors: David A Hildeman
J. Immunol., 2016-11-16;0(0):.
Species: Mouse
Sample Types: Whole Cells
Applications: Functional Assay
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