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Expression of nestin, mesothelin and epithelial membrane antigen (EMA) in developing and adult human meninges and meningiomas.
MedLine Citation:
PMID:  20943257     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The spatial and temporal pattern of appearance of nestin, epithelial membrane antigen (EMA) and mesothelin proteins was immunohistochemically determined in the cells of normal developing and adult human meninges and meningiomas. Human meninges developed as two mesenchymal condensations in the head region. The simple squamous epithelium on the surface of leptomeninges developed during mesenchymal to epithelial transformation. Nestin appeared for the first time in week 7, EMA in week 8, while mesothelin appeared in week 22 of development. In the late fetal period and after birth, nestin expression decreased, whereas expression of EMA and mesothelin increased. EMA appeared in all surface epithelial cells and nodules, while mesothelin was found only in some of them. In adult meninges, all three proteins were predominantly localized in the surface epithelium and meningeal nodules. In meningothelial meningiomas (WHO grade I), EMA was detected in all tumor cells except in the endothelial cells, mesothelin characterized nests of tumor cells, while nestin was found predominantly in the walls of blood vessels. The distribution pattern of those proteins in normal meningeal and tumor cells indicates that nestin might characterize immature cells, while EMA and mesothelin appeared in maturing epithelial cells. Neoplastic transformation of these specific cell lineages contributes to the cell population in meningiomas.
Authors:
Josko Petricevic; Gea Forempoher; Ljerka Ostojic; Snjezana Mardesic-Brakus; Simun Andjelinovic; Katarina Vukojevic; Mirna Saraga-Babic
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Publication Detail:
Type:  Journal Article     Date:  2010-10-12
Journal Detail:
Title:  Acta histochemica     Volume:  113     ISSN:  1618-0372     ISO Abbreviation:  Acta Histochem.     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-07-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370320     Medline TA:  Acta Histochem     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  703-11     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier GmbH. All rights reserved.
Affiliation:
Department of Pathology, Cytology and Forensic Medicine, University Clinical Hospital Mostar, Kralja Tvrtka bb, 88000 Mostar, Bosnia and Herzegovina; Department of Histology and Embryology, School of Medicine, University of Mostar, Bijeli brijeg bb, 88000 Mostar, Bosnia and Herzegovina.
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