Gene	Primer	Sequence
GAPDH	Forward	5′-TGCCTCGCTTCACCACCTTCT-3′
	Reverse	5′-AGGCCGGTGCTGAGTATGTC-3′
IL-1β	Forward	5′-TGGATGCTCTCATCAGGACAG-3′
	Reverse	5′-GAAATGCCACCTTTTGACAGTG-3′
IL-6	Forward	5′-AGTTGTGCAATGGCAATTCTGA-3′
	Reverse	5′-CTCTGGCTTTGTCTTTCTTGTTATCTTT-3′
IL-4	Forward	5′-GGTCTCAACCCCCAGCTAGA-3′
	Reverse	5′-GCCGATGATCTCTCTCAAGATAT-3′
IFN-γ	Forward	5′-GCTTTGCAGCTCTTCCTCAT-3′
	Reverse	5′-TTTGCCAGTTCCTCCAGATA-3′
CD4	Forward	5′-TCCTAGCTGTCACTCAAGGGA-3′
	Reverse	5′-TCAGAGAACTTCCAGGTGAAGA-3′
IL-13	Forward	5′-CAGGTGTGCTCCATTTCATTCTAAT-3′
	Reverse	5′-ATGGCTTTTGTGCATATCAGATGCT-3′

Relative mRNA levels were calculated using the 2^−ΔΔCT method and normalized to GAPDH in the same sample. The ct number of GAPDH between groups in our experiments is stable and around 16~18.