Effect of transplanted neural progenitors on hippocampal cells proliferation after ischemic brain injury
DOI:
https://doi.org/10.15587/2519-4798.2017.105502Keywords:
neural progenitor cells, cells transplantation, brain ischemia, hippocampus, cells proliferationAbstract
The aim of research was to establish the effect of neural progenitors (NP) transplantation on hippocampal cells proliferation after an ischemic brain injury of a mouse.
Methods. An ischemic brain injury was modeled by 20-minutes occlusion of both carotid arteries in mice of FVB line with the further reperfusion. In 24 hours after the occlusion NP, separated from the hippocampus of mice of FVB-Cg-Tg(GFPU),5Nagy/J line, transgenous by a green fluorescent protein (GFP) gen, were stereotaxically transplanted in CA1 hippocampus zone of ischemic animals. To reveal proliferating cells, all animals from experimental groups were intaabdominally administered with synthetic nucleoside 5-bromodeoxyuridine (BrdU). For the assessment of hippocampal cells proliferation after the ischemic brain injury and after NP transplantation, the immunohistochemical coloration of brain cuts was realized using antibodies against BrdU.
Results. The received data demonstrated that NP transplantation after an ischemic brain injury statistically reliably increases the number of BrdU-positive cells in the dentate gyrus comparing with animals from the control pseudo-operated group and the comparison group without the transplantation.
Conclusions. These data allow to suppose that NP transplantation after an ischemic brain injury may influence cells proliferation in the subgranular zone of the dentate gyrus and in such a way stimulate the neurogenesis in the hippocampus
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Copyright (c) 2017 Oleg Tsupykov, Vitalii Kyryk, Kateryna Yatsenko, Gennadii Butenko, Galyna Skibo
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