Tanreqing Injection Attenuates Lipopolysaccharide-Induced Airway Inflammation through MAPK/NF-κB Signaling Pathways in Rats Model

Figure 2

Changes of Alcian blue (AB)/periodic acid-Schiff (PAS) staining in rat airways. Lung tissues from control rats at (a) 24 h, (b) 48 h, and (c) 96 h, rats exposed to LPS alone at (d) 24 h, (e) 48 h, and (f) 96 h, rats treated with LPS + TRQ 2.8 mL/kg at (g) 24 h, (h) 48 h, and (i) 96 h, and rats treated with LPS + TRQ 5.6 mL/kg at (j) 24 h, (k) 48 h, and (l) 96 h were all analysed by AB/PAS staining. Scale bars = 50 μm; upper right insert: scale bars = 25 μm. (m) The percentage of AB/PAS positively staining area to total epithelial area in rat airways. Values are expressed as mean ± SD. means significant difference from the control group; means significant difference from the LPS group and means significant difference between LPS + 2.8 mL/kg TRQ group and LPS + 5.6 mL/kg TRQ group.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)

(m)