In 111 Monoclonal Antibody Lym-1

**Semantic type:** Amino Acid, Peptide, or Protein|Indicator, Reagent, or Diagnostic Aid|Pharmacologic Substance

**Definition:** A radioimmunoconjugate of a murine monoclonal antibody, MoAb Lym-1, labeled with indium 111 (In-111). MoAb Lym-1 recognizes an epitope of the histocompatibility antigen HLA-DR, which is over-expressed on most B-cell lymphomas. In-111 MoAb Lym-1 emits gamma radiation and X-Ray photons that can be captured by gamma camera allowing imaging of tumor cells that express HLA-DR antigen.

**Synonyms:** - In 111 MOAB Lym-1 - Indium In 111 MoAb Lym-1 - Indium In 111 Monoclonal Antibody Lym-1