- Determine whether the administration of the specific vaccine (the gp100:154-162 peptide or the MART-1:26-35(27L) peptide) can increase the persistence of the specific transferred cells (anti-gp100:154-162 TCR PBL, anti-gp100:154-162 TCR CD8+ PBL, the anti-MART- 1:27-35 TCR PBL, or the anti-MART-1:27-35 TCR CD8+ PBL), respectively.