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Int J Neurosci. 2004 Mar;114(3):321-33.

Experience-dependent immediate early gene expression in the adult central nervous system: evidence from enriched-environment studies.

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1
Neurological Sciences Institute, Oregon Health & Science University, Portland, Oregon 97006, USA. pinaudr@nims.ohsu.edu

Abstract

Here I discuss evidence from our group's work that implicates the immediate early genes NGFI-A and arc as possible regulators of neuronal plasticity. The enriched environment (EE) paradigm has been demonstrated to induce neural plasticity in both developing and mature mammals. Others and we have recently demonstrated that adult rats placed within an enriched environment underwent central nervous system-wide increases in the expression levels for the IEGs NGFI-A and arc. The relationships between the altered expression profiles for both genes in response to an EE exposure, and their putative role in orchestrating network restructuring in response to enhanced environmental complexity are discussed.

PMID:
14754658
DOI:
10.1080/00207450490264142
[Indexed for MEDLINE]
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