I V Brodiak

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It is shown that reduction of beta,D-galactosyl-containing carbohydrate determinants ofglycoconjugates on theplasmatic membrane of segmentonuclear neutrophills of peripheral blood under type 1 diabetes mellitus (DM) is correlated with changes in aggregation of these cells and may cause their functional disorder. Changes in the parameters of ricin-induced(More)
The influence of wortmannin and sialospecific lectins on the translocation of p85alpha regulatory subunit of phosphatidylinositol-3'-kinase (PI-3'-kinase) between membrane and cytosolic fractions of the mononuclear and polymorphonuclear leukocytes in healthy donors and patients with type 1 diabetes mellitus (DM) was investigated. It was found out that under(More)
This paper reports the results of a study of the impact of the agmatine treatment on erythrocyte resistance to acid hemolytic, reticulocyte count and reticulocyte production index, erythrocyte surface architectonics in streptozotocin-induced diabetic rats. Our results indicate that treatment of diabetic rats with agmatine causes a suppression of(More)
Diameter, the surface area of lymphocytes and their nuclea as well as the reserve potential and regulatory properties of lymphocytes membranes in control rats, in rats with experimental diabetes mellitus before and after administration of L-arginine and aminoguanidine were investigated. Significant difference in size and the membrane fund of lymphocytes in(More)
It was shown that administration of aminoguanidine is accompanied by a decrease of the content of nitric oxide stable metabolites, as well as protein carbonyl groups in leukocytes and blood plasma in diabetic and control animals. Aminoguanidine is proposed to be used for pharmacological correction of NO biosynthesis. Aminoguanidine, being the selective iNOS(More)
In experimental streptozotocin-induced diabetes, the activity of enzymes which have common substrate (L-arginine) changes in leucocytes of peripheral blood. It leads to misbalance between different pathways of arginine metabolism: NO-synthase (oxidative) pathway is activated, whereas arginase (nonoxidative) one is depressed. The injection of L-arginine(More)
The effects of agmatine on oxidative and nonoxidative metabolic pathways of L-arginine were investigated both in plasma and erythrocytes under experimental diabetes mellitus. It was indicated, that agmatine prevents the development of oxidative-nitrosative stress in diabetic rats. After treatment of animals by agmatine NO-synthase methabolic pathway of(More)
NO-synthase activity, the content of stable products of NO metabolism (nitrites and nitrates) as well as fragmented DNA as biochemical marker of apoptosis have been determined in segmentonuclear neutrophilic granulocytes and mononuclear leukocytes in blood of healthy donors and patients with type 1 diabetes mellitus. It was found that activation of(More)
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