Anti-Mouse CD223 (LAG-3)- Purified in vivo PLATINUM™ Functional Grade
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LAG-3 is a 70-kD, type-I transmembrane glycoprotein within the Ig superfamily with four extracellular Ig-like domains (D1 to D4) and is structurally homologous to CD4.
LAG-3 is a cell surface molecule with various biologic effects on T cell function.
It has been reported to be involved in Treg suppressive function.
It negatively regulates cellular proliferation, activation, and homeostasis of T cells, in a similar manner to CTLA-4 and PD-1.
Human LAG-3 is approximately 70% homologous with murine LAG3, and it binds MHC class II molecules with higher affinity than CD4.
As an immune checkpoint receptor, LAG-3 is the target of various drug development programs seeking to expand treatments for cancer and autoimmune disorders.
In its soluble form, LAG-3 is being developed as a cancer drug.
As an antagonist, LAG-3 antibody can activate T effector cells via the downregulation of the LAG-3 inhibiting signal into pre-activated LAG-3+ cells.
In addition, it can inhibit antigen-specific Treg suppressive activity.
As an agonist antibody, it can be used to diminish an autoimmune response and is currently being investigated for the treatment of plaque psoriasis.
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