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Acidosis prevents growth hormone-induced growth in experimental uremia
Acidosis prevents growth hormone-induced growth in experimental uremia - PubMed
The effects of 2 weeks of a daily injection (2 IU/day) of recombinant human growth hormone (GH) were studied in young (60-g) growing rats in two experiments. Experiment 1 was performed in uremic animals (mean plasma creatinine 65-71 mumol/l) who were either acidotic (mean bicarbonate 11.5...
pubmed.ncbi.nlm.nih.gov
GH induced an increase in body weight and length in non-acidotic uremic (+33% and +41%) and in non-acidotic food-restricted (+13% and +42%) rats, associated with an increased rate of protein synthesis and little change in plasma insulin-like growth factor 1 (IGF 1). In both acidotic rat groups, GH altered none of the parameters studied. Thus: (1) the presence of severe metabolic acidosis blunts the response to GH in uremic and non-uremic rats and (2) the increment of growth rate does not depend on a rise in plasma IGF 1.