CRTH2

CRTh2 (chemoattractant receptor homologous molecule expressed on T-Helper type 2 cells ) is a G-protein coupled receptor for prostaglandin D2. Activation of CRTh2 increases the chemotaxis of Th2 cells/eosinophils/basophil, as well as eosinophil degranulation and Th2 cells cytokine release.