Research Article

[Retracted] N-Acetylcysteine Improves Inflammatory Response in COPD Patients by Regulating Th17/Treg Balance through Hypoxia Inducible Factor-1α Pathway

Figure 1

Oral NAC decreases the level of IL-17 and increases IL-10 in the serum of COPD patients. The level of serum IL-17 in the treatment group increased after oral administration of NAC. The level of serum IL-10 increased in the treatment group after oral administration of NAC. (; ; ).