Abstract
Plasma growth hormone-binding protein (GH-BP) activity was evaluated in two groups of prepubertal children with chronic renal failure (CRF) who had been treated with recombinant human GH (rhGH). Group 1 consisted of eight children (mean chronological age 10.8 years) with advanced renal failure; group 2 consisted of nine children (mean chronological age 6 years) presenting with end-stage renal disease, who were on dialysis. Before treatment the specific binding of (125I)hGH to highaffinity GH-BP was low in the two groups (group 1, 17.3±1.6% of radioactivity; group 2, 14.2±1.4%) compared with the mean value obtained in normal prepubertal children (24.8±1.7%). No significant changes in GH-BP activity were found during the 1st year of GH therapy, although growth velocity and plasma levels of insulin-like growth factor-I increased significantly in both groups. The low GH-binding activity found in children with CRF supports the state of GH resistance. The reason for the absence of a GH-BP response to GH therapy has to be clarified.
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Postel-Vinay, M.C., Tar, A., Crosnier, H. et al. Plasma growth hormone-binding activity is low in uraemic children. Pediatr Nephrol 5, 545–547 (1991). https://doi.org/10.1007/BF01453698
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DOI: https://doi.org/10.1007/BF01453698