Table 1. Primer sequences for quantitative RT–PCR.

Gene	Probe (5′-3′)	Forward primer (5′-3′)	Reverse primer (5′-3′)
ICAM-1	CCACGGAGCAGCACCACGGT	GTGACCAGCCCAAGTTGT	TCCCGTTTCAGCTCCTTCT
occludin	AAACCGCTTGTCATTCACTTTGCCA	GGGACAAGGAACACATTTATGAT	TGGATTTATAGGAAGACTCTGGAT
18S rRNA	CGCCTGCTGCCTTCCTTGGATGTG	AGTCGCCGTGCCTACCAT	CGGGTCGGGAGTGGGTAAT