[Effect of vitamin C and E on nonenzymatic glycation and physico- chemical properties of isolated erythrocyte membranes in diabetic patients] (original) (raw)

Bratislavské lekárske listy, 2000

Abstract

Non-enzymatic glycation, accompanied by the formation of free radicals, represents a serious problem in diabetes mellitus. It is supposed to be the cause of the development of long-term diabetic complications. The aim of this work was to estimate the effect of treatment with vitamin C (1 g per day) and E (600 mg per day) on selected biochemical parameters as well as to determine the physicochemical state of erythrocyte membranes in diabetics. The paper also compares the physicochemical state of diabetic and control erythrocyte membranes. The changes in the values of glycaemia, glycated haemoglobin, and fructosamine were insignificant after three months of treatment. This points out that the doses used could be low or that the patient compliance was poor. An anionic fluorescent probe merocyanine 540 (MC540) was used to monitor possible changes in the physicochemical properties of isolated diabetic erythrocyte membranes. Significantly higher affinity of MC540 monomers to the membrane ...

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