5HT SEROTONINS AGOUTI RELATED PROTEIN (AGRP) ALPHA 2C BETA-LIPOTROPIN ENDOMORPHIN-2 LEPTIN RECEPTORS MOR-1C MGLURS NEUROKININ-1 NEUROTENSIN RECEPTOR 1 ORPHANIN FQ P2X2 P2Y2 PPENK PRO-DYNORPHIN SEMAPHORIN SUBSTANCE P TRPM6 TRKAAPJ ALPHA 2A BETA-ENDORPHIN CHOLECYSTOKININS (CCKS) FMRFAMIDE LEU-ENKEPHALIN MET-ENKEPHALIN MU, KAPPA, AND DELTA OPIOID RECEPTORS NEUROPEPTIDE Y'S (NPY'S) NEUROTENSIN RECEPTOR 2 P2X1 P2X3 PGP9.5S PPNPY RET SOMATOSTATIN RECEPTORS TRPA1 TRPV1 (VR1)