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Dexamethasone-Induced Modifications of the Intracerebral Hemorrhage-Related Reactions of Astrocytes in Rats

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Neurophysiology Aims and scope

In rats with experimental intracerebral hemorrhage, we studied reactions of astrocytes, their involvement in the formation of the glial scar, and modifications of the above reactions induced by the introduction of large doses of dexamethasone. The dependence of the state of the glial scar on the size of the hemorrhage and the severity of the inflammation was observed. Dexamethasone introduction led to a sharp increase in the expression of GFAP and an increase in the specific density of astrocytes around the hemorrhage zone. The dynamics of astrogliosis under such conditions no longer depended on morphological parameters of the hemorrhage in the brain. Despite new data on the effect of dexamethasone on the reactive astrogliosis in the model of intracerebral hemorrhage, the question of changes in the morphological type of the scar within the perihematomal area (glial scar or membrane) requires further research.

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Authors and Affiliations

  1. Department of Histology and Embryology, Bogomolets National Medical University, Ministry of Health of Ukraine, Kyiv, Ukraine

    S. I. Savosko, A. V. Kuraieva, Yu. B. Chaikovsky & A. N. Grabovoy

  2. Department of General Medical Disciplines, Interregional Academy of Personnel Management, Kyiv, Ukraine

    O. M. Makarenko

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  1. S. I. Savosko
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  2. A. V. Kuraieva
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Correspondence to S. I. Savosko.

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Savosko, S.I., Kuraieva, A.V., Chaikovsky, Y.B. et al. Dexamethasone-Induced Modifications of the Intracerebral Hemorrhage-Related Reactions of Astrocytes in Rats. Neurophysiology (2024). https://doi.org/10.1007/s11062-024-09944-8

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