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Participation of cAMP/PKA-Mediated Signaling Pathways in Functional Activity of Regeneration-Competent Cells in the Nervous Tissue under Conditions of Ethanol-Induced Neurodegeneration

  • GENERAL PATHOLOGY AND PATHOPHYSIOLOGY
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Bulletin of Experimental Biology and Medicine Aims and scope

We studied the involvement of cAMP/PKA signaling in the realization of the growth potential of neural progenitors and secretion of neurotrophic growth factors by glial elements under conditions of ethanol-induced neurodegeneration in vitro and in vivo. The stimulating role of cAMP and PKA in cell cycle progression of the neural progenitor cells and in production of neurotrophins by the cells in nervous tissue under the optimal conditions to vital activity was demonstrated. Ethanol inverted the role of cAMP/PKA signaling pathways in determination of the proliferation-differentiation status of neural stem cells. Selective blockade of adenylate cyclase or PKA in neural stem cells increased the rate of their division against the background of relative decrease in differentiation rate. In addition, cAMP/PKA signaling does not longer participate in neurotrophin production by glial cells in neurodegeneration. These findings suggest that inhibitors of activity/expression of adenylate cyclase and PKA can be considered as possible drugs with regenerative activity for the treatment of nervous system pathologies provoked by alcohol.

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Authors and Affiliations

  1. E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia

    G. N. Zyuz’kov, L. A. Miroshnichenko, T. Yu. Polyakova, L. A. Stavrova, E. V. Simanina, V. I. Agafonov & V. V. Zhdanov

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  1. G. N. Zyuz’kov
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  2. L. A. Miroshnichenko
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  3. T. Yu. Polyakova
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  4. L. A. Stavrova
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  5. E. V. Simanina
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  6. V. I. Agafonov
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  7. V. V. Zhdanov
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Correspondence to G. N. Zyuz’kov.

Additional information

Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 167, No. 6, pp. 677-681, June, 2019

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Zyuz’kov, G.N., Miroshnichenko, L.A., Polyakova, T.Y. et al. Participation of cAMP/PKA-Mediated Signaling Pathways in Functional Activity of Regeneration-Competent Cells in the Nervous Tissue under Conditions of Ethanol-Induced Neurodegeneration. Bull Exp Biol Med 167, 723–727 (2019). https://doi.org/10.1007/s10517-019-04608-8

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  • DOI: https://doi.org/10.1007/s10517-019-04608-8

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