Table 1.

Relative expressions of genes related to tight junction in the ileum and cecum of pigs after short term HS¹.

Genes of interest	TN	HS	PF	SEM	P-value
Ileum
ZO-1	1.005	1.185	0.960	0.051	0.079
Occludin	1.058	1.280	1.475	0.181	0.312
Claudin-1	1.022	0.939	0.753	0.133	0.390
Claudin-3	1.090	1.182	1.456	0.269	0.632
Claudin-4	1.046	1.856	1.949	0.174	0.845
Cecum
ZO-1	1.014	0.574	0.985	0.084	0.281
Occludin	1.010a	0.653b	0.901a	0.062	0.033
Claudin-1	1.032a	0.634b	0.896a	0.015	0.047
Claudin-3	1.110	1.009	1.678	0.314	0.555
Claudin-4	1.096	1.258	0.912	0.151	0.309

TN = thermoneutral; HS = heat stress; PF = pair-fed; ZO-1 = zonula occludens 1.

^a,b Mean values with unlike letters are statistically significant (P < 0·05).

¹Data were expressed as mean with their standard error of the mean; n = 8.