AITRL/TNFSF18 Trimer, Human (Biotinylated, HEK293, His-Flag)

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AITRL, a type II transmembrane protein, is a ligand for glucocorticoid-induced TNFR-related protein (GITR). When AITRL binds to GITR, GITR can produce costimulatory signals that regulate T-cell proliferation and effector functions. GITR/AITRL interaction plays a role in the pathogenesis of tumor, inflammation, as well as autoimmune diseases[1]. Besides, AITRL plays a role in endothelial cells (EC)-activation and increases STAT-1 phosphorylation and the expression of adhesion molecules (VCAM-1, ICAM-1)[2]. AITRL/TNFSF18 Protein, Human (Biotinylated, HEK293, His-Flag) is a recombinant biotinylated human AITRL (Q72-S199) with N-terminal His and Flag tag, which is expressed in HEK293.