Fig. 1From: An update on reactive astrocytes in chronic painAstrocyte functions in the CNS. Astrocytes play significant roles in the CNS physiology. AA, arachidonic acid; NO, nitric oxide; PG, prostaglandin; VEGF, vascular endothelial growth factor; GABA, γ-aminobutyric acid; BBB, blood–brain barrierBack to article page