Iodine I 131 Monoclonal Antibody muJ591

**Semantic type:** Amino Acid, Peptide, or Protein|Pharmacologic Substance

**Definition:** A radioimmunoconjugate of a mouse monoclonal antibody (MoAb) J591 labeled with Iodine 131 (I-131). MoAb muJ591 recognizes the extracellular domain of the prostate-specific membrane antigen (PSMA) and reacts with tumor vascular endothelium. Using MoAb muJ591 as a carrier for I-131 results in the targeted imaging and/or destruction of cells overexpressed PSM.