Effect of Poria cocos on hypertonic stress-induced water channel expression and apoptosis in renal collecting duct cells.

null null Ethnopharmacological relevance null A major physiological role of the kidney is to regulate body water and urine concentration. Aquaporin-2 (AQP2), a family of water channels, plays an important role in the urinary concentrating process and regulation of water balance in the kidney. The dried sclerotia of null Poria cocos null Wolf has been known to have a diuretic effect and used for the treatment of chronic edema and nephrosis. null...