Fig. 3From: All-trans retinoic acid alleviates transmissible gastroenteritis virus-induced intestinal inflammation and barrier dysfunction in weaned pigletsEffects of ATRA on the tight junction protein levels in jejunal mucosa of piglets challenged with TGEV. A–D The protein levels of ZO-1, occludin and claudin-1 in jejunal mucosa of piglets were analyzed by Western blot. Data are presented as mean ± SE. a,bValues in the same row with different superscripts letters are significantly different (P < 0.05)Back to article page