Group A: CD4+ T lymphocytes; Group B: CD4+ T lymphocytes and thy0517
cells coculture; Group C: CD4+ T lymphocytes and thy0517 cells coculture
and 10 μ g / ml PHA were added; Group D: CD4+ T lymphocytes and thy0517
cells coculture and 20 μ g / ml PHA were added
*There was statistical significance between groups; The percentage
difference of Th17 in each group was statistical significance; The
percentage difference of Tregs between group A, C and D was no
statistical significance.