Nan (100 /ml) for 3 h at 37 in a 5 CO2 atmosphere. Cells were washed four times and autologous stimulated T cells were added onto HIV-exposed MDDC at a DC:T-cell ratio of 1:5. Each sample was performed in triplicate. Culture supernatants were harvested every 3 days and fresh medium was added. Supernatants were inactivated with 1 Triton X-100 and frozen at -20 . The viral production by T lympho