A patient with hyperglycaemia and normal HbA Ic due to impaired glycation

M. J. M. Diekman, H. J. M. Salden, J. H. DeVries

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Abstract

A diabetic Caucasian woman presented with discrepantly low HbA Ic values compared with her glycaemia. High-performance liquid chromatography (HPLC) analysis disclosed 80% HbA and 20% HbI Philadelphia (I6alpha2 lys --> glut). The calculated glycosylation gap from the fructosamine level was 1.2%. The haemoglobin alpha/beta glycation ratios, as measured by electron spray ionisation mass spectroscopy (ESI-MS), for the patient and her three children also carrying the mutation were decreased by values of 0.56 and 0.51, 0.50 and 0.49, respectively (reference value 0.66)
Original languageEnglish
Pages (from-to)395-397
JournalNetherlands journal of medicine
Volume65
Issue number10
Publication statusPublished - 2007

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