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56 results on '"Churilova, T."'

52. [Regulatory role of duodenal evacuation activity in determination of the absorption rate of organic components of duodenal chyme].

Author

Virchenko SB, Kurcherenko TL, Sopinskaia LA, Churilova TIa, and Saenko VF

Subjects
Animals, Dogs, Male, Time Factors, Duodenum physiology, Gastrointestinal Motility physiology, Gastrointestinal Transit physiology, Intestinal Absorption physiology, Intestinal Fistula physiopathology
Abstract

The effect of inhibited duodenal motor-evacuation on the rate of protein, glucose, and lipid absorption was studied in chronic experiments in 5 polyfistulous dogs. Evacuation was inhibited by division of Treitz's ligament (a model of duodenostasis). The results of the experiments are evidence of a considerable regulatory effect of chyme evacuation rate on the value of the flow of substances from the enteral medium into the blood. The evacuation rate is in inverse proportion to the adsorption rate.

Published
1992

54. [Terpenes in waste water from the Baĭkal paper mill and in the water of the Baĭkal lake].

Author

Churilova TP and Khamuev GD

Subjects
Chromatography, Gas methods, Fresh Water, Industrial Waste statistics & numerical data, Siberia, Terpenes isolation & purification, Water Supply statistics & numerical data, Industrial Waste analysis, Paper, Sewage, Terpenes analysis, Waste Disposal, Fluid, Water Pollutants analysis, Water Pollutants, Chemical analysis, Water Supply analysis
Published
1989

55. [Photocolorimetric analysis of water-soluble proteins].

Author

Churilova TP

Subjects
Animals, Bromphenol Blue, Cattle, Colorimetry methods, Indicators and Reagents, Solubility, USSR, Dietary Proteins analysis, Food-Processing Industry, Industrial Waste analysis, Water Pollutants analysis
Published
1989

56. [Effect of thiamine phosphates on the activity of regulatory enzymes of the pyruvate dehydrogenase complex].

Author

Parkhomenko IuM, Chernysh IIu, Churilova TIa, and Khalmuradov AG

Subjects
Animals, Enzyme Activation, In Vitro Techniques, Kinetics, Mitochondria, Liver enzymology, Protein Kinase Inhibitors, Protein Serine-Threonine Kinases, Pyruvate Dehydrogenase (Lipoamide)-Phosphatase antagonists & inhibitors, Pyruvate Dehydrogenase Acetyl-Transferring Kinase, Pyruvate Dehydrogenase Complex antagonists & inhibitors, Rats, Substrate Specificity, Phosphoprotein Phosphatases metabolism, Protein Kinases metabolism, Pyruvate Dehydrogenase (Lipoamide)-Phosphatase metabolism, Pyruvate Dehydrogenase Complex metabolism, Thiamine analogs & derivatives, Thiamine Pyrophosphate pharmacology, Thiamine Triphosphate pharmacology
Abstract

The effect of thiamine triphosphate (ThTP) and thiamine diphosphate (ThDP) on the activity of rat liver pyruvate dehydrogenase complex regulatory enzymes (kinase and phosphatase) was studied in experiments with isolated enzyme preparations. It is shown that ThDP caused a pronounced activation of pyruvate dehydrogenase phosphatase (Ka is equal to 65.0 nM). ThTP inhibits phosphatase competitively against the substrate--the phosphorylated pyruvate dehydrogenase complex. The both thiamine phosphates inhibit the pyruvate dehydrogenase kinase activity almost similarly in concentrations exceeding 10 microM. The physiological significance of the antagonistic action of ThDP and ThTP on the pyruvate dehydrogenase phosphatase activity is discussed.

Published
1987

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