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Effects of salvianolic acid A on the expression of genes coding for colonic tight junction proteins in DSS-induced-colitis rats. (A) The rats’ distal colons were collected, and mRNA expression of genes coding for the tight-junction proteins occludin (A) and ZO-1 (B) was quantified using real-time PCR. Fold changes are expressed as means ± SEM (n = 8 for each group in a single experiment). Groups with different letters differ by a statistically significant margin (p < 0.05).
