The in vitro and in vivo models of ethanol-induced neurodegeneration were used to evaluate the content and functional activity of various types of regeneration-competent cells in subventricular zone of the cerebral hemispheres in C57Bl/6JY mice. In nervous tissue culture, ethanol (65 mM) produced no effect on formation of neurospheres. When administered per os in a daily dose of 3 g/kg for 8 weeks, ethanol produced no effect on the number of neural CFU in situ. In both cases, ethanol reduced proliferative activity of neural CFU. Long-term administration of ethanol in vivo suppressed differentiation of neural stem cells and decreased the number of committed precursors (neural cluster-forming units) in the subventricular zone of cerebral hemispheres. In vitro application of ethanol stimulated secretion of humoral growth factors by the cluster-forming neural glial cells. In contrast, in vivo administration of ethanol suppressed this secretion.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 166, No. 9, pp. 286-289, September, 2018
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Zyuz’kov, G.N., Miroshnichenko, L.A., Udut, E.V. et al. Functional State of Various Types of Regeneration-Competent Cells in the Nervous Tissue in Ethanol-Induced Neurodegeneration. Bull Exp Biol Med 166, 317–320 (2019). https://doi.org/10.1007/s10517-019-04341-2
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DOI: https://doi.org/10.1007/s10517-019-04341-2