Alternative Name(s): Tumor necrosis factor ligand superfamily member 9, 4-1BB ligand, 4-1BBL
Test Description
CD137L is predominantly expressed on mature dendritic cells, activated B cells, and macrophages. CD137L has also been expressed on human cancer cell lines and human benign and malignant tumor tissues. CD137/CD137L interaction plays a central role in sustaining T cell and macrophage activation.