Vera A Mosina

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Using the Ehrlich ascite carcinoma cells, exposed to oxidative stress, heat shock, cytochalasin B, vinblastine, Triton X-100 and energy starvation, morphological changes, DNA degradation, and form of cell death were investigated. A rather clear specificity of cell morphology, characteristic of apoptosis, was revealed for the most of treatments, including(More)
Upon exposures of Ehrlich ascites carcinoma cells to heat shock (44 degrees, 1 hr), oxidative stress or energy deprivation, their DNA undergoes fragmentation (35-45% after 5 hrs of incubation) which is considered as a hallmark of apoptosis. Prior to DNA fragmentation the cells exhibited blebbing (55-90% after 1 hr), thus being suggestive of cytoskeletal(More)
The reaction of the Ehrlich ascite carcinoma cells, being at different phases of their growth, to the energy deprivation (rotenone in glucose-free medium) and heat shock (HS) was investigated. The criteria of this reaction were interphase death (according to Trypan blue staining) and structural changes (appearance of big blebs). It was found that(More)
We studied a role of the inducible heat shock protein 70 (Hsp70) in cellular response to radiosensitizing treatments with inhibitors of the heat shock protein 90 (Hsp90) chaperone activity. Cell lines derived from solid tumors of different origin were treated with the Hsp90 inhibitors (17AAG, geldanamycin, radicicol, NVP-AUY922) or/and γ-photon radiation.(More)
Incubation of rat thymocytes in serum-free media was found to result in their apoptotic death characterized by internucleosomal DNA fragmentation, nuclear pyknosis and subsequent irreversible plasma membrane damage. As in the case of glucocorticoid (hydrocortisone)-induced apoptosis, DNA fragmentation under serum withdrawal was suppressed by endonuclease(More)
Ehrlich carcinoma (EC) cells isolated from mice at different phases of ascites growth were exposed to hyperthermia (44 degrees C), or oxidative stress (hydrogen peroxide or vikasol), or ATP depletion induced by rotenone. These exposures caused protein aggregation and rapid necrotic death in exponentially growing EC cells. On the contrary, the same cell(More)
Proof of clinical equivalence of generic and original dugs - the way to lessen cost of therapy of patients while providing comparable clinical effects. We present in this paper results of 1 year follow-up of 115 patients receiving Egithromb or Plavics after coronary artery stenting. Comparable clinical efficacy and safety of Egithromb and Plavics has been(More)
Previously we have found that stationary Ehrlich ascites carcinoma (EAC) cells in vivo accumulated heat shock proteins (HSPs) and became resistant to necrotic death induced by prolonged energy deprivation of hyperthermia. Here we report that apoptotic death induced by nutrient starvation, transient ATP depletion, heat shock and a microtubule-disrupting(More)
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