L. A. Mal’chenko

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Dopamine in the concentration 0.4 μg/mL abolishes protein synthesis rhythm in HaCaT keratinocytes and hepatocytes unlike noradrenaline or melatonin, which synchronize direct intercellular interactions and organize protein synthesis rhythm. Experiments with D2 dopamine receptors blocking agent metoclopramide (tserukal) in the concentration 2 μg/mL show that(More)
The effect of inhibition of proteasome activity on direct cell-cell interactions in primary hepatocyte cultures was studied. The circahoralian rhythm of protein synthesis was a marker of cell-cell communication. The addition of the proteasome inhibitor MG132 at doses of 10 or 20 μM to the medium with hepatocyte cultures for 19 h resulted in a significant(More)
Dopamine was injected intravenously (9 μg/kg) or intraperitoneally (15 μg/kg) to Wistar rats (3-4 months, 300-400 g). Hepatocytes were isolated 40 min after dopamine injection. Dense cultures were maintained on collagen-coated glasses. By the 5th hour, the circaholarian rhythm of protein synthesis in hepatocytes cultures was absent in the dopamine group,(More)
We studied dense 24-hour cultures of rat hepatocytes in serum-free medium on collagencoated slides. As before, a circahoralian rhythm of protein synthesis was observed in control cultures in a fresh medium. No rhythm was found after addition of 1-10 μM dopamine to the medium containing such cultures. The rhythm was observed after addition of 0.3 μM(More)
A comparative study was performed of dense 5-hour cultures of rat hepatocytes and equal-density cultures of mesenchymal stromal cells (MSC) isolated from human adipose tissue of rat bone marrow. The cells were grown on collagen-coated class slides in serum-free medium. Unlike in hepatocytes, no rhythm of protein synthesis was initially revealed in MSC, but(More)
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