M. V. Ruchko

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It is established, that low doses of X-ray irradiation have affected activation of lipid peroxidation (LPO) in immunocompetent cells of the spleen and thymus. The amount of malonic dialdehyde (MDA) in lymphocytes of spleen and thymocytes increases 2 times twenty-four hours after animals' irradiation by X-rays in a dose of 0.5 Gy; when a dose grows to 1.0(More)
The studies of ELCCT influence on spontaneous and KCl-stimulated 3H-dopamine release by synaptosomes isolated from the rabbit brain hemispheres and diencephalic-brainstem areas are presented in this paper. Kinetic characteristics of the releasing system (Bm and Vo) were shown to decrease at earlier stages (15 minutes to 2 hrs) and increase at later stages(More)
The output of lymphocytes, obtained on a ficoll-verografin gradient and intracellular free Ca2+ concentration were studied in the rat spleen 1, 3 and 6 days after X-ray irradiation in a dose of 0.5 Gy. The amount of lymphocytes decreased by 30% a day after irradiation and turned to the control level 3 days after exposure of animals. Free Ca2+ concentration(More)
The effect of different concentrations of lead was investigated in two different ways in the leaves of Helianthus annuus plants. In the first way, removed leaf discs from 5-wceks old plants were floated in 0.05, 0.25, 2.50 and 5.00 mM PbNO3 solutions for 2, 4 and 6 days. In addition, the chlorophyll content and the activity of peroxidase enzyme which are(More)
The review is devoted to the problem of metal-binding proteins (metallothioneins) in plant objects. The chronology of studies, dealt with search of metallothionein-like proteins in plant tissues is described. Data about the structure and function of metallothioneins, the features of metallothioneins-like gene expression in plants is shown. The role of(More)
The comparative analysis of some biochemical features of the Picea abies morphologically abnormal organs and the control tissues was made. The methods of restriction analysis. Southern hybridization of DNA and protein electrophoresis were used. The differences detected in protein context and in DNA structure indicated the changes in genomes of experimental(More)
It has been shown that the malonic dialdehyde (MDA) content in spleen lymphocytes of rats increases after whole-body X irradiation with a dose of 0.5 Gy to reach the maximum level in 24 h. Simultaneously, the concentration of cGMP and free cytosol Ca2+ increases. With a dose of 1 Gy MDA content of cells increases 6 h following irradiation. The maximum drop(More)
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