Figure 1. Arctiin attenuated ovalbumin (OVA)-challenged lung pathological alterations. C57BL/6 mice were divided into four groups: vehicle, Arctiin, OVA, and OVA+ Arctiin (10 mg/kg). (A) Molecular structure of Arctiin; (B) Lung histological changes were assessed using haematoxylin and eosin (HE) staining. Scale bar, 300 μm.