passages.id: split_9_validation_1307_passage
passages.type: progene_text
passages.text: The present study was designed to examine whether aqueous extract of steamed root of Rehmannia glutinose ( ARR ) has an ameliorative effect on renal functional parameters in association with the expressions of aquaporin 2 ( AQP 2 ) , Na,K-ATPase , and heme oxygenase-1 ( HO-1 ) in the ischemia - reperfusion induced acute renal failure ( ARF ) rats .