alexa epsilon-Amino-lysine-bound glucose in human tissues obtained at autopsy. Increase in diabetes mellitus.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Glycomics & Lipidomics

Author(s): Vogt BW, Schleicher ED, Wieland OH

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Abstract The level of nonenzymatically epsilon-lysine-bound glucose (NEBG) of tissue proteins obtained at autopsy has been determined with a specific method recently described. The mean values expressed as nmol lysine-bound glucose per mumol phenylalanine were 34 for tendon, 13 for aorta, 16 for coronary artery, 23.5 for femoral nerve, 10 for glomerular basement membrane, and 30 for lung parenchyma for tissues from nondiabetics and 86, 39.5, 34, 60, 29, and 57 for tissues form diabetics, respectively. NEBG was below detection limit in skeletal muscle from either nondiabetic or diabetic subjects. Tendon and aorta NEBG levels correlated well with those from other tissues (r = 0.8-0.94, except r = 0.68 for glomerular basement membrane). A fairly good correlation was also found when NEBG of aorta was compared with the mean blood sugar level determined during the last weeks of hospitalization. Finally, an arbitrary index of diabetic late complication was compared with NEBG of aorta. There appears to be a tendency of an increase of the index of complications along with an increase in tissue glucosylation. The possible role of nonenzymatic glucosylation in the long-term complication of diabetes is discussed.

  • Open Access
This article was published in Diabetes and referenced in Journal of Glycomics & Lipidomics

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