Table 1. Sequences of primers for semi-quantitative PCR.

No.	Gene name	Sequence (5′ → 3′)
1	Human GAPDH forward	CGG ATT TGG TCG TAT TG
2	Human GAPDH reverse	GGA AGA TGG TGA TGG GA
3	Human TGFβ1 forward	CAC AAC GAA ATC TAT GAC AA
4	Human TGFβ1 reverse	GGT TGC TGA GGT ATC GC
5	Human FoxP3 forward	TTC GAA GAG CCA GAG GAC TT
6	Human FoxP3 reverse	ATG GCA CTC AGC TTC TCC TT