Table 1.

Primers used for quantitative PCR

Gene	Forward Primer (5′-3′)	Reverse Primer (5′-3′)
Uroplakin 1b (UP1b)	CACTGTTCGTTGCTTCCAGG	GCTTCGAGAAGTGGGTAAAGACT
Uroplakin 2 (UP2)	TGCCCCTGATCCTGATTCTG	CAAGGCAATTAACAGGCTTTCTG
Zona occludens 1 (ZO1)	GCCGCTAAGAGCACAGCAA	TCCCCACTCTGAAAATGAGGA
Zona occludens 2 (ZO2)	ATGGGAGCAGTACACCGTGA	TGACCACCCTGTCATTTTCTTG
Claudin 4 (CL4)	GTCCTGGGAATCTCCTTGGC	TCTGTGCCGTGACGATGTTG
Claudin 8 (CL8)	GCAACCTACGCTCTTCAAATGG	TTCCCAGCGGTTCTCAAACAC
β-Catenin (BCAT)	ATGGAGCCGGACAGAAAAGC	CTTGCCACTCAGGGAAGGA
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH)	AGGTCGGTGTGAACGGATTTG	TGTAGACCATGTAGTTGAGGTCA