Tetiana Kochubei

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Leukoagglutinin is one of the phytohemagglutinin isolectins isolated from Phaseolus vulgaris. In our recent study, we showed that this lectin is able to influence the growth of human cancer cells in vitro. In addition, using the acridine orange and ethidium bromide staining, we found that leukoagglutinin can induce apoptosis. In order to understand the(More)
Phytohemagglutinine (PHA) is widely investigated lectin with mitogenic properties. Recently it was shown that PHA is not only cell proliferation inducer, but also has a toxic or cytostatic effect. However concentration dependence and molecular mechanisms of this effect are not enough investigated. To study proapoptotic properties of total(More)
Using the bacterium B. subtilis as a model and antibiotics as metabolic inhibitors which can suppress replication (mitomycin), transcription (rifampycin) or translation (streptomycin), it is shown that carbohydrate-binding proteins (lectins of plant origin) have different action on intracellular processes under study. The effect depends on lectin's(More)
AIM To study the effects of total phytohemagglutinin (PHA) and its isolectins on cell death and apoptosis in human HEp-2 carcinoma cells and to analyze the possible molecular mechanisms of lectin induced apoptosis. MATERIALS AND METHODS The commercial preparation of the kidney beans (Phaseolus vulgaris) lectins and HEp-2 cells were used. Apoptosis index(More)
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