Fig. 2

Exercise-induced changes of naïve Treg, but not memory Treg. a Representative CD45RA and FoxP3 staining in CD4 T cells before and after exercise (Pre-walking and Post-walking). Naïve Treg cells are identified by CD45RA + Foxp3^dim and memory Treg cells by CD45RA-FoxP3^high [31]. b Mean (+/- SEM) numbers (10⁹ cells/L) of Naïve Treg and Memory Treg Pre-walking and Post-walking. Statistical significance by Wilcoxon signed rank test is indicated as ***p < 0.001