Cerebral angiogenesis shows nestin expression in endothelial cells |
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Authors: | Mokrý J Nemecek S |
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Institution: | Department of Histology and Embryology, Charles University, Medical Faculty, Hradec Králové, Czech Republic. mokry@lfhk.cuni.cz |
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Abstract: | The class VI intermediate filament protein nestin has been generally considered as a specific marker for neural precursor cells or developing muscles. In the prenatal developing rat central nervous system (CNS), we localized immunoreactivity for the nestin in blood vessels. Although the widespread nestin expression in cerebral blood vessels persisted in early postnatal periods, it was down-regulated in the adulthood. However, when the adult rat brains were subjected to procedures that trigger neovascularization, e.g. grafting fetal nervous tissue or C6 glioma, the abundant immunoreactivity was detected in all newly formed vessels and adjacent host vasculature. Our results demonstrate that nestin expression in endothelial cells lining cerebral vessels accompanies the process of angiogenesis. |
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