Table 1.

Primers used in the present study.

Gene	Primer sequences (5′-3′)	Length, bp	Access no.
GAPDH	F: GGGCATGAACCATGAGAAGT R: AAGCAGGGATGATGTTCTGG	230	XM_019925987.2
ZO-1	F: GGCCCTTACCTTTCGCCTGA R: GCCTCAGGGCTTGGTGTTCT	158	XM_003480423.4
Claudin-1	F: CCCGGTCAATGCCAGATATG R: CACCTCCCAGAAGGCAGAGA	80	XM_005666863.2
Occludin	F: GCTGGAGGAAGACTGGAT R: ATCCGCAGATCCCTTAAC	244	NM_001163647

GAPDH = glyceraldehyde-3-phosphate dehydrogenase; ZO-1 = zonula occludens-1.