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  • Title: Involvement of Signaling Cascades in Granulocytopoiesis Regulation under Conditions of Cytostatic Treatment.
    Author: Zhdanov VV, Miroshnichenko LA, Zyuz'kov GN, Udut EV, Polyakova TY, Simanina EV, Sherstoboev EY, Stavrova LA, Agafonov VI, Minakova MY, Chaikovskii AV, Dygai AM.
    Journal: Bull Exp Biol Med; 2020 Aug; 169(4):426-430. PubMed ID: 32889566.
    Abstract:
    Suppression of the production of granulocytic CSF under the effect of 5-fluorouracyl is related to disorders in the NF-κB-, cAMP-dependent signaling pathways and MAPK cascade. These secondary messengers are involved in the regulation of functional activity of nonadherent myelokaryocytes starting from day 10 of the experiment (initial period of the hemopoietic granulocytic stem regeneration after antimetabolite challenge). Granulocytic CSF does not play essential role in the formation of colony-stimulating activity of cells of the adherent and nonadherent fractions of the bone marrow. Only cAMP-dependent pathway is involved in the regulation of the realization of the granulocytic precursor growth potential in response to the challenge.
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