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APC anti-human CD28 Antibody

Pricing & Availability
Clone
S20013B (See other available formats)
Regulatory Status
RUO
Other Names
T44, Tp44
Isotype
Mouse IgG1, κ
Ave. Rating
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Product Citations
publications
S20013B_APC_CD28_Antibody_092722
Human peripheral blood lymphocytes were stained with anti-human CD3 FTIC and anti-human CD28 (clone 20013B) APC (left) or mouse IgG1, κ APC isotype control (right).
  • S20013B_APC_CD28_Antibody_092722
    Human peripheral blood lymphocytes were stained with anti-human CD3 FTIC and anti-human CD28 (clone 20013B) APC (left) or mouse IgG1, κ APC isotype control (right).
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377805 25 tests 52€
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377806 100 tests 118€
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Description

CD28 is a 44 kD disulfide-linked homodimeric type I glycoprotein. It is a member of the immunoglobulin superfamily and is also known as T44 or Tp44. CD28 is expressed on most T lineage cells, NK cell subsets, and plasma cells. CD28 binds both CD80 and CD86 using a highly conserved motif MYPPY in the CDR3-like loop. CD28 is considered a major co-stimulatory molecule, inducing T lymphocyte activation and IL-2 synthesis, and preventing cell death. In vitro studies indicate that ligation of CD28 on T cells by CD80 and CD86 on antigen presenting cells provides a costimulatory signal required for T cell activation and proliferation.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
Human CD28 transfected cells
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA)
Preparation
The antibody was purified by affinity chromatography and conjugated with APC under optimal conditions.
Concentration
Lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.)
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 5 µL per million cells in 100 µL staining volume or 5 µL per 100 µL of whole blood. It is recommended that the reagent be titrated for optimal performance for each application.

Excitation Laser
Red Laser (633 nm)
Application Notes

Clone S20013B antibody can completely block the binding of clone CD28.2 on target.

Clone S20013B can partially block Clone S20013F on target.

Clone S20013B can increase anti-CD3 induced human peripheral T-cell proliferation.

Clone S20013B is a superagonistic antibody raised towards human CD28, and can induce activation, proliferation of human peripheral T cells without anti-CD3 stimulation.

RRID
AB_2927899 (BioLegend Cat. No. 377805)
AB_2927899 (BioLegend Cat. No. 377806)

Antigen Details

Structure
Ig superfamily, type I transmembrane glycoprotein, homodimer, 44 kD
Distribution

Mature T cells, thymocytes, NK cell subsets, plasma cells, EBV-positive B cells

Function
T cell costimulation
Ligand/Receptor
CD80, CD86
Cell Type
Lymphocytes, T cells, Tfh, Th1, Th17, Th2, Thymocytes, Tregs
Biology Area
Adaptive Immunity, Cell Proliferation and Viability, Costimulatory Molecules, Immuno-Oncology, Immunology
Molecular Family
CD Molecules
Antigen References
  1. Schlossman S, et al. Eds. 1995. Leukocyte Typing V. Oxford University Press. New York.
  2. June CH, et al. 1994. Immunol Today. 15:321-31.
  3. Linsley PS and Ledbetter JA. 1993. Annu Rev Immunol. 11:191-212.
Gene ID
940 View all products for this Gene ID
UniProt
View information about CD28 on UniProt.org

Related FAQs

There are no FAQs for this product.
Go To Top Version: 1    Revision Date: 09-27-2022

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.

 

BioLegend, the BioLegend logo, and all other trademarks are property of BioLegend, Inc. or their respective owners, and all rights are reserved.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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