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  • Title: [Significance of sympathetic-adrenal structures in hematopoiesis regulation in cytostatic myelodepression].
    Author: Khlusov IA, Dygaĭ AM, Aksinenko SG, Gol'dberg ED.
    Journal: Biull Eksp Biol Med; 1993 Apr; 115(4):372-5. PubMed ID: 7914102.
    Abstract:
    The role of the sympathetic nervous system in the regulation of bone marrow hematopoiesis has been studied on mice CBA after administration of 5-fluorouracil (114 mg/kg). The double injection (3-5 minutes before and 5 hours after 5 + U) of ganglionic blocking drug (pentamine, 6 mg/kg), alpha-adrenergic (dihydroergotamine, 3.9 mg/kg) or beta-adrenergic antagonists (propranolol, 5 mg/kg) inhibited the post-cytostatic reparation of erythro- and granulocytopoiesis. Besides, addition of the same neurotropic antagonists and 5-FU (10(-7) M) to bone marrow culture led to 1.5-3 fold decrease of cell content in comparison with alone cytostatic after 24 hours incubation. On the contrary injection of neuroblocking agents (twice in 5 hours) on day 3 after 5-FU administration elevated the total count of erythroid cells immature and mature granulocytic leukocytes in bone marrow and polymorphonuclear leukocytes in blood. Thus, the unequal role of the sympathetic nervous system in the regulation of hematopoiesis at the different periods after high dose of 5-FU administration has been demonstrated.
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