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2015 | 18 | 4 |
Tytuł artykułu

Immunohistochemical evaluation of hippocampal CA1 region astrocytes in 10 - day - old rats after monosodium glutamate treatment

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
High concentration of glutamate (Glu) is excitotoxic for nervous system structures. This may lead to glial reactivity ie. increased expression of glial fibrillary acidic protein (GFAP) and S100β protein, and also to hypertrophy and proliferation of cells which are determined by the presence of Ki-67 antigen. The aim of the study was to analyse the immunoreactivity of the GFAP, S100β and Ki-67 proteins in astrocytes of hippocampal CA1 region in young rats after administration of monosodium glutamate (MSG) at two doses: 2 g/kg b.w. (I group) and 4 g/kg b.w. (II group). In rats from I and II group morphologically altered astrocytes with the GFAP expression were observed in the SLM of the hippocampal CA1 region. The cells had eccentrically located nuclei and on the opposite site of the nuclei there were single or double, long and weakly branched processes. Moreover, in the SLM the increase of the number of GFAP and S100β immunopositive astrocytes and nuclei with Ki-67 expression, in contrary to control individuals, was observed. These results suggest the increased expression of the proteins in early reactions or hyperplasia which, together with cell hypertrophy, indicate late reactivity of astroglia in response to glutamate noxious effect.
Słowa kluczowe
Wydawca
-
Rocznik
Tom
18
Numer
4
Opis fizyczny
p.767-774,fig.,ref.
Twórcy
autor
  • Department of Animal Anatomy and Histology, Faculty of Veterinary Medicine, University of Life Sciences, 20-950 Lublin, Poland
  • Department of Animal Anatomy and Histology, Faculty of Veterinary Medicine, University of Life Sciences, 20-950 Lublin, Poland
autor
  • Department of Animal Anatomy and Histology, Faculty of Veterinary Medicine, University of Life Sciences, 20-950 Lublin, Poland
Bibliografia
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Typ dokumentu
Bibliografia
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Identyfikator YADDA
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