Table 1 Oligonucleotide sequences of PCR primers used for quantitative real-time PCR

Target gene	Primer	Sequences
IL-1β	Forward	5’-TTGACGGACCCCAAAAGATG-3’
	Reverse	5’-AGAAGGTGCTCATGTCCTCA-3’
IL-4	Forward	5’-ACCTTGCTGTCACCCTGTTC-3’
	Reverse	5’-TTGTGAGCGTGGACTCATTC-3’
IL-13	Forward	5’-GCTCTCGCTTCGCTTGGTGGTC-3’
	Reverse	5’-CATCCGAGGCCTTTTGGTTACAG-3’
GAPDH	Forward	5’-CAAAAGGGTCATCATCTCTG-3’
	Reverse	5’-CCTGCTTCACCACCTTCTTG-3’

PCR, polymerase chain reaction.