Figure 3.

Evaluation of the role of surface T cell CD38. Whole, CD38⁺, or CD38⁻ purified T cells (4 × 10⁴ cells/well) were cultured with irradiated monocytes (8 × 10³ cells/well) with or without mAb of the indicated specificity (5 μg/ml) in the presence of SEA. [³H]thymidine incorporation measured at day 4 in the absence of blocking mAb was 40.710 ± 4.050 cpm for T cells, 45.100 ± 4.059 cpm for CD38⁻ T cells, and 42.200 ± 4.642 cpm for CD38⁺ T cells.