期刊
BEHAVIOURAL BRAIN RESEARCH
卷 199, 期 2, 页码 218-221出版社
ELSEVIER
DOI: 10.1016/j.bbr.2008.11.050
关键词
BrdU; Neurogenesis; Doublecortin; Ki67; Toxicity
资金
- NIMH [MH0671560]
5-Bromo-2'-deoxyuridine (BrdU) is frequently used as a mitotic marker in studies of cell Proliferation. Recent studies have reported cytotoxic effects of BrdU on neural progenitor cells in embryonic and neonatal brains in vivo and in adult tissue studied in vitro. The present study was conducted to assess whether BrdU interferes with cell proliferation and neuronal maturation in file rat adult hippocampus in vivo. BrdU effects across a wide range of doses (40-480 mg/kg) off cell proliferation and the population of immature neurons in the adult hippocampus were investigated using immunohistochemical labeling methods for the cell cycle market Ki67 and a marker for immature neurons, doublecortin. BrdU did not influence cell proliferation in the dentate gyrus or the population of immature neurons observed in the adult hippocampus relative to those observed in saline treated controls. Thus, in contrast with reports of deleterious effects of BrdU in embryonic and neonatal tissue and adult tissue studied in vitro, BrdU does not appear to have cytotoxic effects on proliferating hippocampal cells or immature neurons in vivo in rats. (C) 2009 Elsevier B.V. All rights reserved.
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