NCIt definition : Human autologous peripheral blood lymphocytes (PBLs) transduced with a glycoprotein
100 (gp100) epitope-determined T cell receptor (TCR) gene, with potential antineoplastic
activity. PBLs are isolated from a melanoma patient and pulsed with a viral vector
encoding the TCR specific for amino acid residues 154-162 of gp100 (KTWGQYWQV). After
expansion ex vivo, the transduced autologous PBLs, expressing this specific TCR, are
reintroduced into the patient and bind to melanoma cells expressing the gp100 protein,
which may result in specific cytotoxic T-lymphocyte (CTL) killing of gp100-expressing
melanoma cells. gp100 is a melanocyte lineage-specific antigen overexpressed in melanomas.;