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|Title:||Dexamethasone induces dendritic alteration but not apoptosis in the neurons of the hippocampus in postnatal rats||Authors:||Tan, C.K.
|Issue Date:||2002||Citation:||Tan, C.K., Yan, J., Ananth, C., Kaur, C. (2002). Dexamethasone induces dendritic alteration but not apoptosis in the neurons of the hippocampus in postnatal rats. Neuroscience Letters 326 (3) : 206-210. ScholarBank@NUS Repository. https://doi.org/10.1016/S0304-3940(02)00349-X||Abstract:||One day old rats received daily injections of dexamethasone and were sacrificed 24 h after the 1st and 7th injections. Neuronal death by apoptosis in the hippocampus was investigated by immunohistochemistry using bcl2, bax and caspase3 antibodies. The immunoreactivity expressed by the pyramidal neurons and the dentate granule cells with these antibodies was comparable in the dexamethasone treated and control rats injected with saline. At the ultrastructural level, the dendrites showed vacuolation indicative of degeneration in the dexamethasone administered rats. Results of reverse transcriptase-polymerase chain reaction analysis showed that bcl2 and bax mRNA was constitutively expressed in the hippocampus of control rats and showed no significant change in the dexamethasone treated rats. The results of this study indicate that dexamethasone induces degeneration of the dendrites but does not induce neuronal apoptosis in the hippocampus of postnatal rats. © 2002 Elsevier Science Ireland Ltd. All rights reserved.||Source Title:||Neuroscience Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/33521||ISSN:||03043940||DOI:||10.1016/S0304-3940(02)00349-X|
|Appears in Collections:||Staff Publications|
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