Effects of differences in substrate supply on the energy metabolism of hypothermically perfused canine kidneys |
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Authors: | J.H. Fischer D. Armbruster W. Grebe A. Czerniak W. Isselhard |
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Affiliation: | Institut für Experimentelle Medizin, Robert-Koch-Str. 10, 5000 Köln 41, West Germany |
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Abstract: | Experiments were performed on the effects of differences in substrate supply on canine kidneys. Following 2 min of ischemia and flush perfusion for 5 min the kidneys were continuously perfused at 6 °C using albumin perfusate containing free fatty acids and glucose or Haemaccel perfusate without substrates.During 120 hr of perfusion neither potassium nor LDH nor GOT accumulation differed between the two perfusates and up to the 48th hr the tissue contents of adenine nucleotides as well as the energy charge potential were almost identical. The results show that in canine kidneys glucose or FFA supply during hypothermic continuous perfusion does not influence the overall cellular integrity and energetic capacity of the renal cortex at least up to the 48th hr of preservations. |
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