Luminal spc e AQP3 or AQP4 Exocytosis Protein Kinase a ATP CAMP SesAC ADH antidiuretic A0P2s的w如HnEG Gas AOP ormone 抗利尿激素 Gas V2R Nudeus ADH Othe AQP3 Synthesis Endocytosis AQP3 or AQP4 Function and modulation of AQP2 and AQP3 Collecting tubule cellsCollecting tubule or AQP4 or AQP4