Anti-Human CD8 - Purified In vivo PLATINUM Functional Grade

Antibody Details

Product Details

Reactivity Species

Human

Host Species

Mouse

Immunogen

Thymocytes and Sézary T cells

Product Concentration

≥ 5.0 mg/ml

Endotoxin Level

< 0.5 EU/mg as determined by the LAL method

Purity

≥98% monomer by analytical SEC

⋅

> 95% by SDS Page

Formulation

This monoclonal antibody is aseptically packaged and formulated in 0.01 M phosphate buffered saline (150 mM NaCl) PBS pH 7.2 - 7.4 with no carrier protein, potassium, calcium or preservatives added.

Product Preparation

Functional grade preclinical antibodies are manufactured in an animal free facility using only In vitro protein free cell culture techniques and are purified by a multi-step process including the use of protein A or G to assure extremely low levels of endotoxins, leachable protein A or aggregates.

Pathogen Testing

To protect mouse colonies from infection by pathogens and to assure that experimental preclinical data is not affected by such pathogens, all of Leinco’s Purified Functional PLATINUM™ antibodies are tested and guaranteed to be negative for all pathogens in the IDEXX IMPACT I Mouse Profile.

Storage and Handling

Functional grade preclinical antibodies may be stored sterile as received at 2-8°C for up to one month. For longer term storage, aseptically aliquot in working volumes without diluting and store at -80°C. Avoid Repeated Freeze Thaw Cycles.

Country of Origin

USA

Shipping

Next Day 2-8°C

RRID

AB_2829809

Applications and Recommended Usage?
Quality Tested by Leinco

FC The suggested concentration for this UCHT-4 antibody for staining cells in flow cytometry is ≤ 1.0 μg per 10⁶ cells in a volume of 100 μl or 100μl of whole blood followed by PN:A104. Titration of the reagent is recommended for optimal performance for each application.
WB The suggested concentration for this UCHT-4 antibody for use in western blotting is 1-10 μg/ml when used in conjunction with compatible secondary reagents, such as PN:R1190, under either reducing or non-reducing conditions. The positive control for Western blotting is PN:M1019

Each investigator should determine their own optimal working dilution for specific applications. See directions on lot specific datasheets, as information may periodically change.

Description

Specificity

Clone UCHT-4 recognizes human CD8.

Antigen Distribution

CD8 is expressed on blood lymphocytes, a subset of NK cells, and thymocytes. Persons with HIV exhibit increased levels of CD8+ lymphocytes.

Background

CD8 is made up of disulfide-linked α and β chains that form the α(CD8a)/β(CD8b) heterodimer and α/α homodimer. CD8 is part of the Ig superfamily that expresses primarily as CD8a homodimers. CD8a is a 32-34 kD type I glycoprotein that can also form heterodimers with CD8b. CD8 is an antigen co-receptor on T cells that mediates efficient cell to cell interactions within the immune system. CD8 coupled with the T cell receptor on the T lymphocyte recognizes an antigen displayed by an antigen presenting cell (APC) in the context of class I MHC molecules. The CD8 co-receptor also plays a role in T cell signaling by interacting with Lck (lymphocyte-specific protein tyrosine kinase) which leads to the activation of transcription factors that affect the expression of certain genes.

Antigen Details

Protein

CD8

Ligand/Receptor

MHC Class I molecules

PubMed

CD8

NCBI Gene Bank ID

925

UniProt.org

Information on Uniprot.org

Research Area

Immunology

References & Citations

1. Parnes, J. R. et al. (1989) Adv. Immunol. 44:265

2. Reinherz, E. L. et al. (1980) J. Immunol. 124:1301

3. Fischer, A. et al. (1983) Immunology 48:177

4. Merkenschlanger, M. et al. (1988) Eur. J. Immunol. 18:1653

5. Leukocyte Typing: 3rd Workshop: Code No. 567; 4th Workshop: Code No. N31

Technical Protocols