Description
Product Usage Information
Immunohistochemistry (Paraffin): 1:200 - 1:800
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/mL BSA, 50% glycerol, and less than 0.02% sodium azide. Store at -20°C. Do not aliquot the antibody.
Protocol
Available protocols: Immunohistochemistry (Paraffin)
Specificity / Sensitivity
CD27 (F3R4G) Rabbit Monoclonal Antibody recognizes endogenous levels of total CD27 protein. Nonspecific nuclear staining was observed in limited human tissues by immunohistochemistry.
Species Reactivity: Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Thr77 of human CD27 protein.
Background
CD27 (TNFRSF7) is a transmembrane protein of the TNF receptor superfamily (TNFRSF). It is mainly expressed on lymphoid cells (also on early hematopoietic precursor cells in mice) (1,2). CD27 is considered a phenotypic marker for memory B cells and is also used to identify B regulatory (Breg) cells (3,4). It is constitutively expressed on naïve CD4 and CD8 T cells, and its expression is further upregulated upon T cell activation. CD27 is one of the two most important co-stimulatory receptors for T cell priming (the other one is CD28). While CD28 co-stimulatory signal mainly triggers cell proliferation, CD27 co-stimulatory signal primarily promotes cell survival and differentiation (5,6). Upon binding to its ligand CD70, CD27 activates the NF-κB and JNK signaling pathways through TNFR-associated factors (TRAFs), the adaptor molecules that are associated with CD27 cytoplasmic tail domain. Upon activation, CD27 is shed from the cell surface, and soluble CD27 is used as a marker of T cell activation (7,8).
Alternate Names
CD27; CD27 antigen; CD27 molecule; CD27L receptor; MGC20393; S152; S152. LPFS2; T cell activation antigen CD27; T cell activation antigen S152; T cell antivation antigen S152; T-cell activation antigen CD27; T14; TNFRSF7; Tp55; tumor necrosis factor receptor superfamily member 7; tumor necrosis factor receptor superfamily, member 7
