(D) Infarct volumes at 5 days after stroke in wild-type (WT) C57BL/6 J mice treated by CM administration of either T cells secreting IL-10 (eTc-IL10, 106 naïve CD4+) cells transfected with a plasmid overexpressing IL-10, Figure 4—figure supplement 1B, C, d or vehicle (aCSF) 4 hr after stroke induction. The gene discussed is CD4; the disease is Stroke.