Immediate-early gene expression at rest recapitulates recent experience

Diano F. Marrone, Michael J. Schaner, Bruce L. McNaughton, Paul F. Worley, Carol A Barnes

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Immediate-early genes (IEGs) are tightly coupled to cellular activity and play a critical role in regulating synaptic plasticity. While encoding spatial experience, hippocampal principal cells express IEGs in a behaviorally dependent and cell-specific manner. This expression can be detected through the use of cellular compartment analysis of temporal activity by fluorescence in situ hybridization to generate estimates of cellular activity that match direct neuronal recording under comparable conditions. During rest, IEG expression continues to occur in a small number of cells, and the role of this basal expression is unknown. Imaging IEGs expressed during exploration and adjacent rest periods reveals that "constitutive" IEG expression during rest is not random. Rather, consistent with proposed memory consolidation mechanisms, it recapitulates a subset of the pattern generated by recent experience.

Original languageEnglish (US)
Pages (from-to)1030-1033
Number of pages4
JournalJournal of Neuroscience
Volume28
Issue number5
DOIs
StatePublished - Jan 30 2008

Fingerprint

Immediate-Early Genes
Gene Expression
Neuronal Plasticity
Fluorescence In Situ Hybridization
Cell Count

Keywords

  • Arc
  • Arg3.1
  • Consolidation
  • Homer 1a
  • Memory
  • Reactivation

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Immediate-early gene expression at rest recapitulates recent experience. / Marrone, Diano F.; Schaner, Michael J.; McNaughton, Bruce L.; Worley, Paul F.; Barnes, Carol A.

In: Journal of Neuroscience, Vol. 28, No. 5, 30.01.2008, p. 1030-1033.

Research output: Contribution to journalArticle

Marrone, Diano F. ; Schaner, Michael J. ; McNaughton, Bruce L. ; Worley, Paul F. ; Barnes, Carol A. / Immediate-early gene expression at rest recapitulates recent experience. In: Journal of Neuroscience. 2008 ; Vol. 28, No. 5. pp. 1030-1033.
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