Dexamethasone and granulocyte colony-stimulating factor alter the representation of cellular patterns and neurotisation of regenerative neuroma

Authors

DOI:

https://doi.org/10.14739/2310-1237.2023.3.288552

Keywords:

nerve regeneration, dexamethasone, granulocyte colony-stimulating factor

Abstract

Aim. To evaluate the changes in the total cellularity (Nuc) of the rat sciatic nerve regenerative neuroma (RegN) and its representation of CD90, CD44, CD146, and CD133 positive cells, as well as its neurotization under the conditions of dexamethasone (Dex) and granulocyte colony-stimulating factor (GCSF).

Materials and methods. After injections of dexamethasone and granulocyte colony-stimulating factor in the regenerative neuroma of 168 male Wistar rats, CD90, CD44, CD146 and CD133 positive cells were detected immunohistochemically in the regenerative neuroma. Its total cellularity and neurotization were determined and statistical processing of the obtained data was performed.

Results. It was found that dexamethasone and granulocyte colony-stimulating factor change the representation of cellular patterns and neurotization of regenerative neuroma.

Conclusions. The amount of neurotization of the regeneration neuroma directly depends on the specific amount of Schwann cells in its composition. Dex and GCSF, despite different mechanisms of action, lead to an increase in the content of neuroleumocytes in RegN.

Author Biographies

O. M. Grabovyi, Bogomolets National Medical University, Kyiv, Ukraine

MD, PhD, DSc, Professor of the Department of Histology and Embryology

N. M. Nevmerzhytska, Bogomolets National Medical University, Kyiv, Ukraine

MD, Assistant of the Department of Histology and Embryology

O. B. Alyokhin, Mariupol State University, Kyiv, Ukraine

PhD, DSc, Professor of the Department of System Analysis and Information Technologies

H. B. Kostynskyi, Private Higher Education Institution “International European University”, Kyiv, Ukraine

MD, PhD, DSc, Professor of the Department of Medical and Biological Disciplines

H. Yu. Kondaurova, Bogomolets National Medical University, Kyiv, Ukraine

MD, PhD, Associate Professor of the Department of Histology and Embryology

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Published

2023-12-22

How to Cite

1.
Grabovyi OM, Nevmerzhytska NM, Alyokhin OB, Kostynskyi HB, Kondaurova HY. Dexamethasone and granulocyte colony-stimulating factor alter the representation of cellular patterns and neurotisation of regenerative neuroma. Pathologia [Internet]. 2023Dec.22 [cited 2024Mar.2];20(3):222-30. Available from: http://pat.zsmu.edu.ua/article/view/288552

Issue

Section

Original research