Fig 6.

Response by enriched CD4 T cells to two S. aureus proteins. Two-week cell lines from animal 30865 were depleted of CD4⁺ cells or CD8⁺ cells and γδ T cells. Antigens NWMN_0364 and NWMN_0601 were used at 1 μg/ml in proliferation assays with undepleted 2-week cell lines, CD4-enriched cells, and γδ- and CD8⁺-enriched cells. Responses are presented as the SI compared to medium ± 1 SD for triplicate cultures. Significant responses of each cell population are indicated with asterisks, where P is <0.05 using a one-tailed Student's t test.