IL4 and chronic kidney disease: Importantly, the proportion of CD25+FOXP3+ cells (Figures 6A, B) and the expressions of FOXP3 (Figure 6C) and CD25 (Figure S9A) in the expanded alloTregs from both patients with CKD and healthy controls were maintained in the presence of all inflammatory cytokines evaluated (IFN-γ, IL-4, IL-6, and TNF-α).