Figure 5.

Soluble factors released by CD3⁺ T cells increase monocyte expression of CXCR4. Monocytes were cultured alone, directly with CD3⁺ T cells or with CD3⁺ T cells separated by a transwell membrane in the presence or absence of 10⁻⁷ m dexamethasone as indicated. Mean ± SEM of four experiments.