Article (Scientific journals)
EGF amplifies the replacement of parvalbumin-expressing striatal interneurons after ischemia.
Teramoto, Tetsuyuki; Qiu, Jianhua; Plumier, Jean-Christophe et al.
2003In Journal of Clinical Investigation, 111 (8), p. 1125-32
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Keywords :
Animals; Brain Ischemia/drug therapy/pathology/physiopathology; Cell Differentiation/drug effects; Cell Division/drug effects; Corpus Striatum/drug effects; Dopamine and cAMP-Regulated Phosphoprotein 32; Epidermal Growth Factor/pharmacology/therapeutic use; Interneurons/drug effects; Male; Mice; Nerve Tissue Proteins; Neurons/drug effects/physiology; Parvalbumins/analysis; Phenotype; Phosphoproteins/analysis
Abstract :
[en] EGF promotes proliferation and migration of stem/progenitor cells in the normal adult brain. The effect of epidermal growth factor on neurogenesis in ischemic brain is unknown, however. Here we show that intraventricular administration of EGF and albumin augments 100-fold neuronal replacement in the injured adult mouse striatum after cerebral ischemia. Newly born immature neurons migrate into the ischemic lesion and differentiate into mature parvalbumin-expressing neurons, replacing more than 20% of the interneurons lost by 13 weeks after ischemia and representing 2% of the total BrdU-labeled cells. These data suggest that administration of EGF and albumin could be used to manipulate endogenous neurogenesis in the injured brain and to promote brain self-repair.
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Teramoto, Tetsuyuki;  Massachusetts General Hospital and Harvard Medical School > Neuroscience Center
Qiu, Jianhua;  Massachusetts General Hospital and Harvard Medical School > Neuroscience center
Plumier, Jean-Christophe ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Ecophysiologie et physiologie animale
Moskowitz, Michael A;  Massachusetts General Hospital and Harvard Medical School > Neuroscience Center
Language :
English
Title :
EGF amplifies the replacement of parvalbumin-expressing striatal interneurons after ischemia.
Publication date :
2003
Journal title :
Journal of Clinical Investigation
ISSN :
0021-9738
eISSN :
1558-8238
Publisher :
American Society for Clinical Investigation, Ann Arbor, United States - Michigan
Volume :
111
Issue :
8
Pages :
1125-32
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 May 2009

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