Table 1. Relative-quantitative PCR sequences on identification of HTERT-AEC II cells.

Gene	Primers	Reaction conditions of PCR	Product sizes (bp)
HTERT	F: 5’- GTGTGCTGCAGCTCCCATTTC -3’	60°C	264
	R: 5’- GCTGCGTCTGGGCTGTCC -3’
SP-A	F: 5’- GTGATGGGATGACTGGAGCC-3’	58°C	131
	R: 5’- TCTGAAGTCGTGGAGTGTGC-3’
SP-B	F: 5’- ACAAGACTCTGACTGCCAGC-3’	58°C	125
	R: 5’- CACACTTTTGCCTGTCCAGC-3’
SP-C	F: 5’- TGCCACTTTCTCCATTGGCT-3’	58°C	129
	R: 5’- AGACTTGGGATGTTCTGCGG-3’
GAPDH	F: 5’-GATGGTGAAGGTCGGAGTGAAC-3’	60°C	103
	R: 5’-GTCATTGATGGCGACGATGT-3’
TNF	F: 5’- CCAGGCAACTTGCTCTCTCT -3’	58°C	187
	R: 5’- GCTGAGGCACAAGCAACTTC -3’
IL-6	F: 5’- GGCGGAGCCTTGCGTTAT -3’	58°C	118
	R: 5’-AACTGCTGTGCTTGCTTCAT-3’