A membrane glycoprotein and differentiation antigen expressed on the surface of T-cells that binds to CD40 ANTIGENS on B-LYMPHOCYTES and induces their proliferation. Mutation of the gene for CD40 ligand is a cause of HYPER-IGM IMMUNODEFICIENCY SYNDROME, TYPE 1.
Also Known As:
CD40L; Antigen, CD154; CD154 Antigen; T-B Cell Activating Molecule; TNF Superfamily, Member 5; gp39 Antigen, T-Cell; T-Cell gp39 Antigen; gp39 Antigen, T Cell; Antigens, CD154; CD154 Antigens; Tumor Necrosis Factor Ligand Superfamily Member 5