Hyaluronic acid targets CD44 and inhibits FcεRI signaling involving PKCδ, Rac1, ROS, and MAPK to exert anti-allergic effect. - Kim,Y.; Lee,Y.S.; Hahn,J.H.; Choe,J.; Kwon,H.J.; Ro,J.Y.; Jeoung,D. (Mol Immunol, 2008)