Home Bratislava Medical Journal 2014 Bratislava Medical Journal Vol.115, No.11, p.718-722, 2014

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345
 

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Bratislava Medical Journal Vol.115, No.11, p.718-722, 2014

Title: Intermediate filament protein nestin is expressed in developing meninges
Author: A. Yay, S. Ozdamar, O. Canoz, M. Baran, B. Tucer, M. F. Sonmez

Abstract: Background: Nestin is a type VI intermediate filament protein known as a marker for progenitor cells that can be mostly found in tissues during the embryonic and fetal periods. In our study, we aimed to determine the expression of nestin in meninges covering the brain tissue at different developmental stages and in the new born.
Methods: In this study 10 human fetuses in different development stages between developmental weeks 9–34 and a newborn brain tissue were used. Fetuses in paraffin section were stained with H+E and nestin immunohistochemical staining protocol was performed.
Results: In this study, in the human meninges intense nestin expression was detected as early as in the 9th week of development. Intensity of this expression gradually decreased in later stages of development and nestin expression still persisted in a small population of newborn meningeal cells.
Conclusion: In the present study, nestin positive cells gradually diminished in the developing and maturing meninges during the fetal period. This probably depends on initiation of a decrease in nestin expression and replacement with other tissue-specific intermediate filaments while the differentiation process continues. These differences can make significant contributions to the investigation and diagnosis of various pathological disorders (Tab. 1, Fig. 3, Ref. 36).

Keywords: nestin, meninges, immunohistochemistry.
Year: 2014, Volume: 115, Issue: 11 Page From: 718, Page To: 722
doi:10.4149/BLL_2014_139


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