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Percentage of CD4+ lymphocytes (A), CD4+ CD45RA+ cells (B), CD4+ CD45RO+ cells (C), CD25+FoxP3+ cells (D), and CCR4+ CCR6+ cells in CD4+ cells (E) in peripheral blood mononuclear cells analyzed by FACS. *Difference was significant compared to normal controls (P < 0.05). **Difference was significant compared with normal controls (P < 0.01).
