Abstract

Development of experimental diabetes mellitus in rats was accompanied by increase of desialylation of carbohydrate determinants of leukocyte membrane glycoproteins. A decreased level of both α (2,3)- and α(2,6)-linked sialic acid residues and uncovering the penultimate galactose residues was shown. Our findings shown increase in sialation (in particular α(2,3) sialation) of oligosaccharide sequences of leukocytes membrane glycoconjugates after treatment diabetic rats with agmatine. Detected changes in configuration of leukocyte membrane components in diabetic animals after agmatine administration indicate the positively effects of this polyamine due to its hypoglycemic effect.

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