Invitrogen

CD8a Monoclonal Antibody (AMC908), eFluor 660, eBioscience™

Product Image Gallery

CD8a Antibody in Immunofluorescence (IF) — Immunohistochemistry of formalin-fixed paraffin embedded human tonsil using 5 µg/mL of Mouse IgG2a, K Isotype Control eFluor® 660 (left) or 5 µg/mL of Anti-Human CD8a eFluor® 660 (right). Nuclei are stained with DAPI.

Product Details

Tested Applications

Dilution

Immunocytochemistry (ICC)

Assay-Dependent

Immunofluorescence (IF)

Assay-Dependent

Immunohistochemistry (Paraffin) (IHC (P))

Assay-Dependent

Product Specifications

Species Reactivity

Human

Host / Isotype

Mouse / IgG2a, kappa

Recommended Isotype Control

Mouse IgG2a kappa Isotype Control (eBM2a), eFluor 660, eBioscience™

Class

Monoclonal

Type

Antibody

Clone

AMC908

Conjugate

eFluor® 660

Excitation/Emission Profile

View spectra

Form

Liquid

Concentration

0.2 mg/mL

Purification

Affinity chromatography

Storage buffer

PBS, pH 7.2, with 0.1% gelatin

Contains

0.09% sodium azide

Storage conditions

4° C, store in dark, DO NOT FREEZE!

RRID

AB_2574148

Product Specific Information

Description: This AMC908 monoclonal antibody reacts with the human CD8a molecule, an approximately 32-34 kDa cell surface receptor expressed either as a heterodimer with the CD8 beta chain (CD8 alpha beta) or as a homodimer (CD8 alphaalpha). A majority of thymocytes and a subpopulation of mature T cells and NK cells express CD8a. CD8 binds to MHC class I and through its association with protein tyrosine kinase p56lck plays a role in T-cell development and activation of mature T cells.

Applications Reported: This AMC908 antibody has been reported for use in immunohistochemical staining of formalin-fixed paraffin embedded tissue sections, and microscopy.

Applications Tested: This AMC908 antibody has been tested by immunohistochemistry on formalin-fixed paraffin embedded human tissue using high pH antigen retrieval and can be used at less than or equal to 5 µg/mL. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.

eFluor® 660 is a replacement for Alexa Fluor® 647. eFluor® 660 emits at 659 nm and is excited with the red laser (633 nm). Please make sure that your instrument is capable of detecting this fluorochome.

Excitation: 633-647 nm; Emission: 668 nm; Laser: Red Laser.

Filtration: 0.2 µm post-manufacturing filtered.

Target Information

CD8 (Cluster of Differentiation 8) is a cell surface glycoprotein found on most cytotoxic T lymphocytes that mediate efficient cell-cell interactions within the immune system. The CD8 antigen acts as a co-receptor with the T-cell receptor on the T lymphocyte to recognize antigens displayed by an antigen presenting cell (APC) in the context of class I MHC molecules. CD8 is found on a T cell subset of normal cytotoxic/suppressor cells which make up approximately 20-35 % of human peripheral blood lymphocytes. The CD8 antigen is also detected on natural killer (NK) cells, subpopulations of peripheral blood null cells, thymocytes and bone marrow cells. The CD8 co-receptor functions as either a homodimer composed of two alpha chains, or as a disulfide-linked heterodimer composed of one alpha and one beta chain. Both alpha and beta chains share significant homology to immunoglobulin variable light chains. The majority of CD8+ T cells express CD8 as a alpha/beta heterodimer. In HIV, the HIV-2 envelope glycoprotein binds CD8 alpha chain (but not the beta chain).

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

Bioinformatics

Protein Aliases: CD8 antigen, alpha polypeptide (p32); CD8a; Leu2 T-lymphocyte antigen; OKT8 T-cell antigen; T cell co-receptor; T-cell antigen Leu2; T-cell surface glycoprotein CD8 alpha chain; T-lymphocyte differentiation antigen T8/Leu-2; T8 T-cell antigen

Gene Aliases: CD8; CD8A; Leu2; MAL; p32

UniProt ID: (Human) P01732

Entrez Gene ID: (Human) 925

Molecular Function: cytokine receptor defense/immunity protein immunoglobulin receptor superfamily receptor