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Hanstein, R.* ; Lu, A.* ; Wurst, W. ; Holsboer, F.* ; Deussing, J.M.* ; Clement, A.B.* ; Behl, C.*

Transgenic overexpression of corticotropin releasing hormone provides partial protection against neurodegeneration in an in vivo model of acute excitotoxic stress.

Neuroscience 156, 712-721 (2008)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
Corticotropin releasing hormone (CRH) is the central modulator of the mammalian hypothalamic-pituitaryadrenal (HPA) axis. In addition, CRH affects other processes in the brain including learning, memory, and synaptic plasticity. Moreover, CRH has been shown to play a role in nerve cell survival under apoptotic conditions and to serve as an endogenous neuroprotectant in vitro. Employing mice over-expressing murine CRH in the CNS, we observed a differential response of CRH-overexpressing mice (CRH-COEhom-Nes) to acute excitotoxic stress induced by kainate compared with controls (CRH-COEcon-Nes). Interestingly, CRH-overexpression reduced the duration of epileptic seizures and prevented kainate-induced neurodegeneration and neuro-inflammation in the hippocampus. Our findings highlight a neuroprotective action of CRH in vivo. This neuroprotective effect was accompanied by increased levels of brain-derived neurotrophic factor (BDNF) in CRH-COEhom-Nes mice, suggesting a potential role for BDNF in mediating CRH-induced neuroprotective actions against acute excitotoxicity in vivo.
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Publication type Article: Journal article
Document type Scientific Article
Keywords CRH; BDNF; excitotoxicity; neuroprotection
Language
Publication Year 2008
HGF-reported in Year 2008
ISSN (print) / ISBN 0306-4522
e-ISSN 1873-7544
Journal Neuroscience
Quellenangaben Volume: 156, Issue: 3, Pages: 712-721 Article Number: , Supplement: ,
Publisher International Brain Research Organization, Elsevier
Reviewing status Peer reviewed
POF-Topic(s) 30204 - Cell Programming and Repair
Research field(s) Genetics and Epidemiology
PSP Element(s) G-500500-001
Scopus ID 53249111240
Erfassungsdatum 2008-12-31