
Keywords: Intestinal Organoids; NHE3 Activity; Na+ Absorption; Stimulated Secretion; cAMP; cyclic adenosine monophosphate; cGMP; cyclic guanosine monophosphate; CFTR; cystic fibrosis transmembrane conductance regulator; DIDS; 4,4'-diisothiocyano-2,2'-stilbenedisulf