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Proteintech
CD8a Monoclonal Antibody (OX-8), APC
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Product Details
APC-65180
Product Specifications
Species Reactivity
Rat
Host/Isotype
Mouse
/ IgG1, kappa
Class
Monoclonal
Type
Antibody
Clone
OX-8
Immunogen
High-molecular-weight rat thymocyte glycoproteins
Conjugate
Excitation/Emission Max
651/660 nm
View spectra
Form
Liquid
Concentration
0.2 mg/mL
Purification
Protein A
Storage buffer
PBS with 0.5% BSA
Contains
0.1% sodium azide
Storage conditions
4°C, store in dark
Shipping conditions
Wet ice
Target Information
CD8, also known as cluster of differentiation 8, is a type I transmembrane glycoprotein of the immunoglobulin family that plays a crucial role in T cell differentiation, activation, and signal transduction. It is expressed as either a heterodimer (CD8 alpha beta) or a homodimer (CD8 alpha alpha). The CD8 alpha beta form is predominantly found on the majority of thymocytes and a subpopulation of mature alpha beta TCR T cells, while the CD8 alpha alpha form is expressed on gamma delta TCR T cells, a subset of intestinal intraepithelial lymphocytes (IELs), and dendritic cells. CD8 functions as a co-receptor for major histocompatibility complex class I (MHC-I) molecules, working alongside the T cell receptor (TCR). The CD8 alpha chain is essential for binding to MHC-I. CD8 is also expressed on a subset of T cells, NK cells, monocytes, and dendritic cells as disulfide-linked homodimers of CD8 alpha. Upon ligation of MHC-I/peptide complexes presented by antigen-presenting cells (APCs), CD8 recruits lymphocyte-specific protein tyrosine kinase (Lck), leading to lymphokine production, increased motility, and activation of cytotoxic T lymphocytes (CTLs). Activated CTLs are vital for clearing pathogens and tumor cells. The differentiation of naive CD8+ T cells into CTLs is strongly enhanced by cytokines such as IL-2, IL-12, and TGF-beta1. Through its interactions with MHC-I and association with protein tyrosine kinase p56lck, CD8 plays a significant role in T cell development and the activation of mature T cells.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: CD8 antigen 32 kDa chain; CD8 antigen 37 kDa chain; CD8 antigen alpha-chain; CD8 antigen beta-chain; CD8 antigen, alpha chain; CD8 antigen, alpha-chain; CD8 antigen, beta chain; CD8 antigen, beta-chain; CD8a; CD8alpha; CD8b; CD8beta; fCD8; Leu-2; leu-2a; OX-8 membrane antigen; T-cell surface glycoprotein CD8 alpha chain; T-cell surface glycoprotein CD8 beta chain
Gene Aliases: Cd8a; Cd8b; Cd8b1
UniProt ID: (Rat) P07725, (Rat) P05541
Entrez Gene ID: (Rat) 24930, (Rat) 24931
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If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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