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Journals and Conferences
Anticoagulant, fibrinolytic, and fibrin-depolymerization effects were revealed during in vitro study of five proline-containing peptides (Gly-Pro, Trp-Pro, Pro-Gly, Gly-Pro-Gly-Gly, and Pro-Gly-Pro) in the concentration range 10(-9) to 10(-1) mg/ml. Intravenous injection of Trp-Pro and Pro-Gly into white rats at 250 micrograms/kg body weight significantly… (More)
A protein-free anticoagulant preparation displaying anticoagulative but not fibrinolytic activity in vitro was isolated from peony. Electrophoretic, chromatographic, and spectral analyses revealed that this anticoagulant resembles animal heparin: it contains sulfur, carbon, and nitrogen in quantities characteristic of the latter. Plant heparin enhances… (More)
The nature of the anticoagulant isolated from the Chinese peony roots has been determined. Physicochemical analysis (infrared and mass spectroscopy, and polyacrylamide gel electrophoresis) demonstrated the presence of a glycopeptide in Paeonia suffraticosae roots. This glycopeptide shares a structural similarity with heparin.
Influenza virus hemagglutinin (HA) possesses anticoagulant and fubrinolytic activities and affects such blood clotting factors as fibrinogen and factor XIII in vitro and in vivo. Computer analysis of HA structure of avian, animal, and human type 1 influenza viruses showed 1 or 2 sites of amino acid sequences similar to plasminogen activator. These sites… (More)
We studied the effect of influenza virus hemagglutinin on the volume of erythrocytes and aggregation activity of thrombocytes. Hemagglutinin proved to increase the erythrocyte volume, which ends in their lysis, and to induce disaggregation of the thrombocytes. The effect of hemagglutinin on the erythrocytes and thrombocytes was dose-dependent.
A combined cellular transplant for injection has been designed, by using lowly differentiated stromal fat tissue cells obtained from Wistar rats and it preserved biological and physical properties after passing through a small-diameter injection needle (an insulin syringe). A morphological study of the results of its transplantation into paraurethral… (More)
Prenatal ontogeny of human neocortex have distinctive features that make it unique. Experimental data obtained on animal models could not be easily extrapolated on human corticogenesis of middle and late gestational period. Our research was aimed at features of human cortical pyramidal neurons development within 16-26 gestational weeks. Material was… (More)
Prenatal ontogenesis of temporal areas of the human cortex was studied. In the fetal cortex at the gestational age of 16-18 weeks three zones can be distinguished: marginal zone (eI layer), cortex plate and subplate. At 20-26 weeks cortex plate is divided into following layers: eII, eIII, eIV, eV and eVI, with "efferent" complex of layers being wider than… (More)
High-molecular heparin-serotonin complex (3:1 weight ratio) was obtained in vitro. The complex, its components, and heparin-serotonin mixture were introduced intraperitoneally in rats, and the resulting effects were registered 10, 30, and 60 min later. The complex had anticoagulant and lytic activities distinct from those of plasmin. According to decrease… (More)