Research Article

Illicium verum Extract and Trans-Anethole Attenuate Ovalbumin-Induced Airway Inflammation via Enhancement of Foxp3+ Regulatory T Cells and Inhibition of Th2 Cytokines in Mice

Table 1

Quantification of immune cell subtypes in lungs and BALF by FACS analysis.

Cell phenotypes in lungs and BALFNormal Balb/c miceOVA-induced asthma mice (total absolute number)
ControlCsA (10 mg/kg)IVE (200 mg/kg)AET (20 mg/kg)AET (2 mg/kg)

LungCD4+/CD3+ (1 × 106 cells)2.6 ± 0.779.6 ± 0.183.6 ± 0.443.2 ± 0.324.9 ± 0.298.3 ± 0.23
B220+/CD23+ (1 × 106 cells)0.5 ± 0.097.1 ± 0.771.2 ± 0.181.4 ± 0.022.6 ± 0.234.8 ± 0.34
CD8+/CD3+ (1 × 106 cells)1.7 ± 0.434.1 ± 1.141.9 ± 0.091.7 ± 0.192.3 ± 0.043.5 ± 0.21
CD69+/CD3+ (1 × 105 cells)0.7 ± 0.067.3 ± 0.232.7 ± 0.202.7 ± 0.154.0 ± 0.524.7 ± 0.29
CD11b+/Gr-1+ (1 × 106 cells)0.6 ± 0.007.2 ± 0.552.3 ± 0.302.7 ± 0.183.9 ± 0.144.5 ± 0.74
CCR3+/CD3 (1 × 105 cells)0.7 ± 0.0213.5 ± 1.053.3 ± 0.463.9 ± 0.056.0 ± 0.018.1 ± 2.72

BALFCD4+/CD3+ (1 × 106 cells)0.5 ± 0.2930.5 ± 5.206.4 ± 1.936.6 ± 1.867.8 ± 0.0330.6 ± 3.81
CD11b+/Gr-1+ (1 × 106 cells)0.4 ± 0.2915.1 ± 4.033.4 ± 0.484.6 ± 0.663.8 ± 1.038.2 ± 2.53
CCR3+/CD3 (1 × 105 cells)0.2 ± 0.0913.5 ± 1.422.0 ± 0.414.5 ± 1.283.8 ± 0.399.9 ± 0.13

Results are expressed as mean ± SEM ( mice per group). , , and indicate statistically significant differences between the asthma control group and drug-treated group.