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  • glycopeptides  (1)
  • 1
    ISSN: 1432-0428
    Keywords: Diabetic control ; urine ; glycopeptides ; affinity chromatography ; non-enzymatic glycosylation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The relationship between improvement in diabetic control and changes in levels of glycosylated urinary peptides was investigated. Eight poorly controlled Type 1 (insulin-dependent) diabetic patients were studied as optimal metabolic control was achieved. Mean daily blood glucose values and weekly haemoglobin A1 levels were determined simultaneously. Urinary glycosylated peptide levels fell 50% in 15 days, compared with 23 days for haemoglobin A1. Levels of glycosylated urinary peptides were sensitive to increased mean blood glucose concentrations of 9.72 mmol/l and increased linearly up to 20.0 mmol/l (r=0.98) when compared with mean blood glucose levels obtained 8–9 days earlier. A similar correlation was found with haemoglobin A1 levels. Levels of glycosylated urinary peptides before and after optimal control were compared, and a decrease of 40% was observed (pre-control: 269±44 μmol/day, optimal control: 162±45 μmol/day, mean±SEM). The lag time between the fall in mean blood glucose level and the parallel fall in glycosylated urinary peptides was 8–9 days, suggesting that measurement of these compounds may become a useful clinical laboratory technique for monitoring short-term integrated glycaemia in diabetic patients.
    Type of Medium: Electronic Resource
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