Invitrogen™ TIGIT Monoclonal Antibody (MBSA43), APC, eBioscience™, Invitrogen™

Description

Description: The MBSA43 monoclonal antibody reacts with human T cell immunoreceptor with Ig and ITIM domains (TIGIT), which is also known as VSTM3 or WUCAM. This 26 kDa protein is a member of the poliovirus receptor (PVR) family. The expression of TIGIT has been reported on NK cells, regulatory T cells, follicular T helper cells, memory CD4+ T cells, and CD8+ T cells, but it is not expressed on B cells or naive CD4+ T cells. TIGIT may be upregulated on naive CD4+ T cells upon activation. TIGIT can interact with certain members of the PVR and PVR-like families, including CD155, and also mediates the interaction of NK and T cells with antigen presenting cells, fibroblasts, and endothelial cells that express PVR and PVR-like proteins. MBSA43 is reported to crossreact with Rhesus macaque. Applications Reported: This MBSA43 antibody has been reported for use in flow cytometric analysis. Applications Tested: This MBSA43 antibody has been pre-titrated and tested by flow cytometeric analysis of normal human peripheral blood cells. This can be used at 5 μL (0.125 μg) per test. A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. Excitation: 633-647 nm; Emission: 660 nm; Laser: Red Laser. Filtration: 0.2 μm post-manufacturing filtered.

TIGIT is a 26 kDa protein that belongs to the poliovirus receptor (PVR) family. It is expressed on NK cells, regulatory T cells, follicular T helper cells, memory CD4+ T cells, and CD8+ T cells, but not on B cells or naive CD4+ T cells. However, TIGIT can be upregulated on naive CD4+ T cells upon activation. TIGIT interacts with members of the PVR and PVR-like families, including CD155. This interaction mediates the engagement of NK and T cells with antigen-presenting cells, fibroblasts, and endothelial cells expressing PVR and PVR-like proteins. Binding of TIGIT to PVR leads to increased secretion of IL-10 and decreased secretion of IL-12B, promoting the generation of mature immunoregulatory dendritic cells and suppressing T cell activation. Through these interactions, TIGIT plays a significant role in modulating immune responses and maintaining immune homeostasis.