Table 3.

The RT-PCR primer sequence information.

Gene name	Forward primer (5′-3′)	Reverse primer (5′-3′)	PCR product (bp)
β-actin	CTGGCACCTAGCACAATGAA	ACATCTGCTGGAAGGTGGAC	109
ZO-1	CTTCAGGTGTTTCTCTTCCTCCTC	CTGTGGTTTCATGGCTGGATC	131
ZO-2	CTCCGTCAGCAGGGAACAA	TTGGGCGTGACGTATAGCTG	80
OCLN	GTCTGTGGGTTCCTCATCGT	GTTCTTCACCCACTCCTCCA	156
CLDN1	CATACTCCTGGGTCTGGTTGGT	GACAGCCATCCGCATCTTCT	100
CLDN2	CTGCTCACCCTCATTGGA	AACTCACTCTTGGGCTTCTG	140
CLDN3	CTTCATCGGCAACAACATCGTGAC	CCAGCATGGAGTCGTACACCTTG	131
SOD1	ACCAAAAGATGCAGATAGGCAC	GGTACGGCCAATGATGCAGT	127
SOD2	GGAGGGGAGCCTAAAGGAGAAT	CCCAGCAATGGAATGAGACCT	215
CAT	CGCATGTCCGTTTCAGGAGA	AGATAGAAGTCTCGCACCTGAG	80
GPx	AATTCGGGCACCAGGAGAA	TCACCTCGCACTTCTCGAAC	114
Nrf2	GATAGTGACCCAGTCTTCATTTC	CTTGGTTTCAGGGCTCGT	201

CAT, catalase; CLDN, Claudin; GPx, glutathione peroxidase; Nrf2, Nuclear factor erythroid 2-related factor 2; OCLN, Occludin; SOD, superoxide dismutase; ZO, Zonula occludens.