Fig. 5
Flow cytometry analysis of subsets of CD4+ T cells in vitro. Percentage of Treg (a), Th17 (b), Th1 (c) and Th2 (d) cells were analyzed by flow cytometry. Data are expressed as the mean ± SD for each group (n = 5 for each group), and all experiments were performed twice with similar results. *P < 0.05, **P < 0.01, ***P < 0.001. Abbreviation: ns, not significant (Student’s t-test)