Palmitoylethanolamide, a Natural Retinoprotectant: Its Putative Relevance for the Treatment of Glaucoma and Diabetic Retinopathy

Figure 1

Different molecular targets of PEA. PPAR: peroxisome proliferator activated receptor; GPR-55: 119-orphan G-protein coupled receptors; CCL: chemokine ligand; COX: cyclooxygenase; iNOS: inducible nitric oxide synthase; TRPV: transient receptor potential cation channel subfamily V; IL: interleukin; Kv1.5,4.3: potassium voltage gated channels; Toll-4 R: toll-like receptor.