CD134 (CD134 Antigen, ACT35, ACT35 Antigen, Lymphoid Activation Antigen ACT35, OX40, OX40 Cell Surface Antigen, OX40 Homolog, OX40L Receptor, RP5-902P8.3, TAX Transcriptionally-activated Glycoprotein 1 Receptor, Tumor Necrosis Factor Receptor Superfamily Member 4, TNFRSF4, Txgp1L) (APC)