APC anti-mouse CD28 Antibody anti-CD28

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Clone: E18 (See other available formats)
Regulatory Status: RUO
Other Names: Tp44, T44
Isotype: Mouse IgG2b, κ
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Product Citations: publications

E18_APC_020608 — C57BL/6 mouse thymocytes stained with E18 APC

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122016

100 µg

£203

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Description

CD28 is a 44 kD glycoprotein, also known as Tp44 or T44. It is a member of the Ig superfamily, expressed on thymocytes, most peripheral T cells, and NK cells. In association with CD80 (B7-1) and CD86 (B7-2), CD28 acts as the second signal for T and NK cell activation and proliferation. The E18 antibody blocks the binding of 37.51 antibody to CD28 and costimulates T cell activation and proliferation.

Product Details

Technical Data Sheet (pdf)

Product Details

Verified Reactivity: Mouse
Antibody Type: Monoclonal
Host Species: Mouse
Immunogen: A20 cells and recombinant mCD28Ig
Formulation: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
Preparation: The antibody was purified by affinity chromatography, and conjugated with APC under optimal conditions.
Concentration: 0.2 mg/ml
Storage & Handling: The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application: FC - Quality tested
Recommended Usage: Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤1.0 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.
Excitation Laser: Red Laser (633 nm)
Application Notes: Additional reported applications (for the relevant formats) include: in vitro costimulation of T and NK cells¹, in vitro blocking of allogeneic mixed leukocyte response and inhibition of MHC-unrestricted CTL cytotoxicity, and in vitro induction of thymocyte differentiation. The LEAF™ purified antibody (Endotoxin <0.1 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 122004).
RRID: AB_604076 (BioLegend Cat. No. 122016)

Antigen Details

Structure: Ig superfamily, 44 kD
Distribution: Thymocytes, CD4⁺, CD8⁺ peripheral T cells, NK cells
Function: Costimulates T and NK cells
Ligand/Receptor: CD80 (B7-1), CD86 (B7-2)
Cell Type: NK cells, T cells, Thymocytes, Tregs
Biology Area: Costimulatory Molecules, Immunology
Molecular Family: CD Molecules
Antigen References: 1. Barclay AN, et al. 1997. The Leukocyte Antigen FactsBook Academic Press.
2. Lenschow DJ, et al. 1996. Annu. Rev. Immunol. 14:233.
3. Gross JA, et al. 1992. J. Immunol. 149:380.
Gene ID: 12487 View all products for this Gene ID
UniProt: View information about CD28 on UniProt.org

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Cell Surface Flow Cytometry Staining Protocol

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Other Formats

View All CD28 Reagents Request Custom Conjugation

Description	Clone	Applications
Purified anti-mouse CD28	E18	FC
FITC anti-mouse CD28	E18	FC
PE anti-mouse CD28	E18	FC
PE/Cyanine7 anti-mouse CD28	E18	FC
APC anti-mouse CD28	E18	FC
Alexa Fluor® 488 anti-mouse CD28	E18	FC
Ultra-LEAF™ Purified anti-mouse CD28	E18	FC,Block,Costim
Brilliant Violet 421™ anti-mouse CD28	E18	FC

Certificate of Analysis

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Go To Top Version: 1 Revision Date: 11/30/2012

For Research Use Only. Not for diagnostic or therapeutic use.

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

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