Definition: A membrane-bound tumor necrosis family member that is expressed on activated antigen-presenting cells such as B-LYMPHOCYTES and MACROPHAGES. It signals T-LYMPHOCYTES by binding the OX40 RECEPTOR.
Other names gp34 Tumor Necrosis Factor; TNF Superfamily, Member 4; OX40L Protein; CD134L Protein; CD134 Ligand; Tumor Necrosis Factor (Ligand) Superfamily, Member; Tumor Necrosis Factor Ligand Superfamily Member 4