Abstract
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 a disorganizing effect of dopamine is driven by the activation of D2 receptors, which block adenylyl cyclase and the efflux of calcium ions from internal depos according to the literature. It is shown that tserukal does not activate serotonin receptors in our experimental settings. Cellular interactions’ recovery during or after dopamine action is carried out by melatonin in the concentration 0.001 μg/mL. A recommendation to inject melatonin before dopamine administration for different medical indications is discussed.
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Original Russian Text © V.Ya. Brodskii, E.A. Vorotelyak, V.V. Terskikh, A.V. Vasil’ev, L.A. Mal’chenko, D.S. Konchenko, T.K. Dubovaya, N.D. Zvezdina, 2016, published in Ontogenez, 2016, Vol. 47, No. 2, pp. 92–98.
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Brodskii, V.Y., Vorotelyak, E.A., Terskikh, V.V. et al. Dopamine disorganizes direct intercellular interactions in keratinocytes cultures: A comparison to hepatocytes. Russ J Dev Biol 47, 77–82 (2016). https://doi.org/10.1134/S1062360416020028
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DOI: https://doi.org/10.1134/S1062360416020028