Ethanol extract of A. millefolium (50%) reduced the expression of pro-inflammatory cytokines, such as iNOS, COX-2, and IL-6 in lipopolysaccharide (LPS)-treated murine macrophage Raw 264.7 cells, indicated anti-atopic dermatitis activity of the plant (Ngo et al., 2020). This evidence concerns the gene PTGS2 and atopic eczema.