Fig. 4 From: “Nanomaterials of curcumin-hyaluronic acid”: their various methods of formulations, clinical and therapeutic applications, present gap, and future directionsSchematic diagram representing hyaluronic acid; some important medicinal properties [36]: SOD, superoxide dismutase; GSH, reduced glutathione; TNF-α, tumor necrosis factor alpha; H.A., hyaluronic acid; PGE2, prostaglandin E2; NO, nitric oxide; MMPs, matrix metalloproteinase; ADAMT, a disintegrin and metalloproteinase with thrombospondin motifs; COX-2, cyclooxigenase-2Back to article page