Salp15 Inhibits DC-Induced T Cell Proliferation

<p>(A and B) Salp15 impairs DCs in the induction of T cell proliferation as shown by a mixed lymphocyte reaction (MLR). After 18 h of stimulation with LPS in the presence of Salp15 (25 μg/ml), tick saliva (1:100), or controls, DCs were extensively washed and cultured with allogeneic PBLs (1 × 10<sup>5</sup>) at different ratios (1:50 to 1:500) for 4 d. Lymphocyte proliferation was assessed by overnight incorporation of radioactive thymidine. Data are representative of results obtained from four donors. Bars represent the mean of triplicates within one experiment ± SE. Differences between the different conditions were analyzed by a two-sided one way ANOVA, implementing a one way analysis of variance with Dunnett multiple comparison test. A <i>p</i>-value < 0.05 was considered statistically significant and indicated with one asterisk (*).</p>

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