Purified anti-mouse CD8a Antibody

Pricing & Availability
Clone
53-6.7 (See other available formats)
Regulatory Status
RUO
Other Names
T8, Lyt2, Ly-2
Isotype
Rat IgG2a, κ
Ave. Rating
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Product Citations
publications
53-6dot7_Purified_041106
C57BL/6 mouse splenocytes were stained with purified CD8 (clone 53-6.7) (filled histogram) or rat IgG2a, κ isotype control (open histogram), followed by anti-rat IgG FITC.
  • 53-6dot7_Purified_041106
    C57BL/6 mouse splenocytes were stained with purified CD8 (clone 53-6.7) (filled histogram) or rat IgG2a, κ isotype control (open histogram), followed by anti-rat IgG FITC.
  • 53-6dot7_Purified_IHC_011917
    C57BL/6 frozen mouse spleen section was fixed with 4% paraformaldehyde (PFA) for ten minutes at room temperature and blocked with 5% FBS for 30 minutes at room temperature. Then the section was stained with 10 µg/mL of purified anti-mouse CD8a (clone 53-6.7), 10 µg/mL of Alexa Fluor® 647 anti-CD20 (green) overnight at 4°C, followed by 2.5 µg/mL of Alexa Fluor® 594 anti-rat IgG2a (clone MRG2a-83) (red) for two hours at room temperature. The image was captured by 10X objective.
  • 53-6dot7_Purified_IHC_102418
    Fresh, frozen mouse spleen was stained with purified CD8a clone 53-6.7 conjugated and detected with a Cy3 CODEX™ oligonucleotide duplex (red). Samples were counterstained with B220 FITC (green). Data generated at Akoya Biosciences, Inc. using the CODEX™ technology.
Cat # Size Price Quantity Avail. Save
100701 50 µg 24€
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100702 500 µg 72€
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Description

CD8, also known as Lyt-2, Ly-2, or T8, consists of disulfide-linked α and β chains that form the α(CD8a)/β(CD8b) heterodimer and α/α homodimer. CD8a is a 34 kD protein that belongs to the immunoglobulin family. The CD8 α/β heterodimer is expressed on the surface of most thymocytes and a subset of mature TCR α/β T cells. CD8 expression on mature T cells is non-overlapping with CD4. The CD8 α/α homodimer is expressed on a subset of γ/δ TCR-bearing T cells, NK cells, intestinal intraepithelial lymphocytes, and lymphoid dendritic cells. CD8 is an antigen co-receptor on T cells that interacts with MHC class I on antigen-presenting cells or epithelial cells. CD8 promotes T cell activation through its association with the TCR complex and protein tyrosine kinase lck.

Product Details
Technical Data Sheet (pdf)

Product Details

Reactivity
Mouse
Antibody Type
Monoclonal
Host Species
Rat
Immunogen
Mouse thymus or spleen
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
Preparation
The antibody was purified by affinity chromatography.
Concentration
0.5 mg/mL
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C.
Application

FC - Quality tested
CyTOF®, IHC-F - Verified
IP - Reported in the literature, not verified in house

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 ≤ 0.25 µg per 106 cells in 100 µL volume. For immunohistochemistry on frozen tissue sections, the suggested use of this reagent is 5.0 - 10 µg per mL. It is recommended that the reagent be titrated for optimal performance for each application.

Application Notes

Clone 53-6.7 antibody competes with clone 5H10-1 antibody for binding to thymocytes3. The 53-6.7 antibody has been reported to block antigen presentation via MHC class I and inhibit T cell responses to IL-2. This antibody has also been used for depletion of CD8a+ cells. Additional reported applications (for the relevant formats) include: immunoprecipitation1,3, in vivo and in vitro cell depletion2,10,15, inhibition of CD8 T cell proliferation3, blocking of cytotoxicity3,4, and immunohistochemical staining5,6 of acetone-fixed frozen sections and zinc-fixed paraffin-embedded sections. Clone 53-6.7 is not recommended for immunohistochemistry of formalin-fixed paraffin sections. The Ultra-LEAF™ purified antibody (Endotoxin < 0.01 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays or in vivo studies (Cat No. 100746).

Application References
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RRID
AB_312740 (BioLegend Cat. No. 100701)
AB_312741 (BioLegend Cat. No. 100702)

Antigen Details

Structure
Ig superfamily, CD8α chain, 34 kD
Distribution

Most thymocytes, T cell subset, some NK cells, lymphoid dendritic cells

Function
Co-receptor for TCR
Ligand/Receptor
MHC class I molecule
Antigen References

1. Barclay A, et al. 1997. The Leukocyte Antigen FactsBook Academic Press.
2. Zamoyska R. 1994. Immunity 1:243.
3. Ellmeier W, et al. 1999. Annu. Rev. Immunol. 17:523.

Gene ID
12525 View all products for this Gene ID
UniProt
View information about CD8a on UniProt.org

Related FAQs

There are no FAQs for this product.
Go To Top Version: 5    Revision Date: 12-03-2020

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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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