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  • Title: Muscle and plasma amino acids and nutritional status in kidney-transplanted children.
    Author: Perfumo F, Canepa A, Divino Filho JC, Nilsson E, Carrea A, Verrina E, Gusmano R, Bergström J.
    Journal: Nephrol Dial Transplant; 1994; 9(12):1778-85. PubMed ID: 7708264.
    Abstract:
    Nutritional status, assessed by anthropometric and biochemical methods, protein and amino-acid (AA) composition and muscle water were evaluated in 11 kidney transplanted children and in a control group of 10 children with normal renal function who were undergoing elective surgery. Samples of the rectus abdominis muscle were taken when surgery was performed in the control children and when the peritoneal catheter was removed in the transplanted children. The mean time from the transplantation to the study time was 97 +/- 14 days (range 72-114 days). Height was reduced in the transplanted children compared to the controls but skinfold thickness, arm muscle circumference and serum proteins (total protein, albumin, transferrin, pseudocholinesterase) were normal. The body mass index was over the 50 degree percentile in nine of the eleven children. The muscle contents of total, extracellular, and intracellular water, alkali-soluble protein (ASP), DNA and the ASP/DNA ratio were not significantly different in transplanted children from those in the controls. Plasma leucine and taurine levels were significantly decreased, whereas plasma citrulline and alanine levels and the glycine/serine ratio were increased. Muscle threonine, alanine+taurine, glycine and aspartic acid levels as well as the glycine/serine ratio were increased in the transplanted children. Transplanted children show an almost normal muscle AA profile and a plasma AA pattern that seems to be related to the prednisone therapy.
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