Enterochromaffin (EC) cells of the diffuse neuroendocrine cell system secrete serotonin (5-HT) with activation of gut motility secretion and pain. agonist stimulated whereas the A2B receptor antagonist MRS1754 inhibited 5 release (EC50 = 1.8 × 10?6 M; IC50 = 3.7 × 10?8 M) which was associated with corresponding alterations in intracellular cAMP levels and pCREB… Continue reading Enterochromaffin (EC) cells of the diffuse neuroendocrine cell system secrete serotonin