keywords BONE MORPHOGENETIC PROTEIN-2 CATECHOLAMINERGIC TC CELLS DOPAMINE-BETA-HYDROXYLASE ENDOTHELIN-B RECEPTOR Gastroenterology & Hepatology INFERIOR MESENTERIC GANGLION IRRITABLE-BOWEL-SYNDROME Life Sciences & Biomedicine MICE LACKING GDNF NEURAL CREST CELLS NEUROTROPHIC FACTOR GDNF Physiology RECEPTOR TYROSINE KINASE Science & Technology