Table 3. Structural neuronal receptors stimulated by luminal contents for sensory, motility & blood flow.
| Epithelial receptors near mucous gel layer |
| A. For nociception |
| Acid-sensing ion channels (5 types) |
| Orphan G-protein coupled receptor (50 types) |
| Mechanosensitive K+, Ca2+ channels |
| Transient receptor potential (2 types) |
| Ionotropic P2X purinoceptors (4 types) |
| Epithelial & sub-epithelial receptors |
| A. For digestive & peristaltic physiology |
| 5-HT receptors (7 types) |
| Cholecystokinin CCK receptors |
| Somatostatin SST receptors |
| Mechanosensitive K+, Ca2+ channels |
| Corticotropin-releasing factor receptor |
| Adenosine receptors (2 types) |
| B. For neurons |
| Neurotrophic receptors |
| Protease-activated receptors (2 types) |
| Voltage-gated Ca2+ channels |
| Voltage-gated K+ channels |
| Tetrodotoxin-resistant Na+ channels |
| Voltage-gated Ca2+ channels |
| Voltage-gated K+ channels |
| Epithelial & subepithelial receptors |
| C. For analgesia, motility, blood flow |
| Bradykinin Receptors (2 types) |
| Tachykinin receptors (3 types) |
| Calcium-gene related peptide receptors |
| Prostaglandin receptors (4 types) |
| Cannabinoid CB1 receptors |
| Opioid receptors-(3 types: m, k, d) |
| Ionotropic & metabotropic glutamate receptors (IMGR) |
Arranged by Translational Medicine Clinic and Research Center Storrs © 2006.