We studied the effect of human lactoferrin on cells of the hippocampal dentate gyrus of 2-2.5-month-old male C57BL/6 mice after acute gamma irradiation of the head in a dose of 8 Gy from a 60Co source. Immediately after irradiation some animals received an intraperitoneal injection of human lactoferrin (4 mg/mouse). The appearance of TUNEL+ cells in the subgranular zone 6 h after irradiation was accompanied by a corresponding decrease in the number of Ki-67- and DCX-immunoreactive cells. Administration of lactoferrin had a protective effect on mouse brain cells, which manifested in a decrease in the number of TUNEL+ cells (by 77% relative to the irradiation alone) and an increase in the number of proliferating cells (from 16 to 61% relative to control animals) and immature neurons (from 14 to 22% relative to control animals) in the dentate gyrus of the hippocampus.
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Translated from Kletochnye Tekhnologii v Biologii i Meditsine, No. 3, pp. 161-168, September, 2023
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Kopaeva, M.Y., Cherepov, A.B. & Zaraiskaya, I.Y. Lactoferrin Has a Protective Effect on Mouse Brain Cells after Acute Gamma Irradiation of the Head. Bull Exp Biol Med 176, 246–252 (2023). https://doi.org/10.1007/s10517-024-06004-3
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DOI: https://doi.org/10.1007/s10517-024-06004-3