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Influence of trifluoperazine and verapamil on the isolated perfused rat kidney
S Weinschelbaum-Jairala1, J E Ochoa, M M Elías
1Instituto de Fisiología Experimental, CONICET, Rosario, Argentina.
Abstract:
1. Isolated rat filtering kidneys were perfused with Ringer bicarbonate solutions containing either trifluoperazine (TFP, 50 microM) or verapamil (VER, 100 microM) to prevent tissue dysfunctions observed during perfusion. 2. Water, sodium and chloride kidney contents diminished under both treatments as compared with control preparations, and potassium content increased. 3. When albumin concentration was increased (10 g%) in the perfusion medium (nonfiltering kidney preparation) these effects of TFP or VER were not observed. 4. Lipid peroxidation and LDH release diminished significantly under 50 microM TFP but only slightly under 100 microM VER.