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Journals and Conferences
The aldosterone, cAMP and ADH receptors were studied in kidneys of 10-14- and 60-day old rats. Concentrations of aldosterone and cAMP receptors were reduced, while ADH binding was increased during the period of maturation of kidney functions. The investigation of the affinity and molecular weights of cAMP and ADH receptors suggests their complex nature and… (More)
Intracellular concentration of cAMP and phosphorylation of 15 kD protein in cultured mouse peritoneal macrophages are increased in the presence of arginine-vasopressin. Vasopressin, decreases adhesion of macrophages to plastic.
Effects of desmopressin (arginine vasopressin V2 receptor agonist) were studied for elucidation of the possible role of the kidneys in the regulation of blood hyaluronidase activity. Similar to vasopressin, intraperitoneal administration of desmopressin to Wistar rats increased blood hyaluronidase activity by 30%. Against the background of water load,… (More)
Effect of dehydration and arginine vasopressin treatment (Arg-VP Sigma, USA, 50 ng/100 g b.wt. ip.) on the blood plasma hyaluronidase activity in Wistar rats was studied. It was found that the pH optimum of the enzyme activity was in the range of 3.5-3.7 that is characteristic for the hyaluronidase type 1. Water deprivation for 1 day was followed by… (More)
Endogenous phosphorylation of proteins in cell suspensions of collecting tubes was studied. Using SDS disc electrophoresis in polyacrylamide gel with subsequent autoradiography, it was shown that vasopressin increases the 32P incorporation into two proteins with molecular masses of 15 kDa and 33 kDa, which serve as endogenous substrates for cAMP-dependent… (More)
Specific vasopressin-sensitive phosphorylation of the collecting duct proteins with molecular mass 15, 20, 25, and 33 kDa, was revealed. The proteins implemented the hormonal effect of vasopressin by means of qualitative molecular modifications with subsequent phosphorylation.
Using SDS-PAAG electrophoresis with subsequent autoradiography, several proteins from plasma membranes and cell cytosol of rat kidney papillary zone were identified as substrates for endogenous cAMP-dependent protein kinases. The cAMP-dependent phosphorylation of plasma membrane proteins was made possible only after the destruction of membrane vesicles.… (More)