The Protective Role of Hydrogen Sulfide and Its Impact on Gene Expression Profiling in Rat Model of COPD

Figure 1

Histological analysis of lung tissue section. (a) H&E staining. (b) PAS staining, arrows indicate positive staining. (c) Masson trichrome staining. (A) and (B): control group; (C) and (D): group; (E) and (F): group; (G), (H): group. (A), (C), (E), and (G) (magnification ×100); (B), (D), (F), and (H) (magnification ×200). (d) Pathological scores of rat lung tissues. Data are expressed as (), vs. control; ^# vs. group.

(a)

(b)

(c)

(d)