Fig. 4. Expression of IL-4 (A), IL-5 (B), IL-6 (C), TNF-α (D), and IFN-γ (E) in the nasal mucosa by real time PCR. The transcriptional levels of IL-5 and TNF-α were decreased in treatment group C than positive control group B. Data are expressed as mean±standard error mean (SEM). ^*P<0.05.