Proliferation as measured by tritium-thymidine–incorporation assays.

Proliferation assay results for samples from 15 donors, with assays done on cultures stimulated with DCs pulsed with the CMV antigen (1 mg/mL), control antigen (1 mg/mL), or no antigen. The results for each donor under the 3 different culture conditions are shown linked. In each case, there was significantly more proliferation with the CMV antigen than with the control antigen derived from the human cell line used to produce the CMV antigen (P = .0007, Wilcoxon signed rank test).