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  • Title: Action of middle molecules from chronic renal insufficiency treated by hemodialysis on mitochondrial respiration.
    Author: Rinaudo JB, Gallice P, Crevat A, Saingra S, Murisasco A.
    Journal: Biomedicine; 1979 Oct; 30(4):215-8. PubMed ID: 534675.
    Abstract:
    "Middle molecules" are isolated both from the urine of normal subjects and from the blood of patients suffering from chronic renal insufficiency treated by hemodialysis. Their action is tested on mitochondrial respiratory activity. Some of these molecular species (fraction 7 f and 7 g) are without any effect. On the other hand the 7 c middle molecules fraction gives a loss of respiratory control due to a decrease of respiratory activity in state 3. A diminution of the P/O ratio is noted and so the available ATP pool is decreased. This action can be compared to the fact that 7 c plasmatic fraction concentration seems to be connected with the patients clinical condition.
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