Genome-wide Analysis of Chromatin Regulation by Cocaine Reveals a Role for Sirtuins

William Renthal, Arvind Kumar, Guanghua Xiao, Matthew Wilkinson, Herbert E. Covington, Ian Maze, Devanjan Sikder, Alfred J. Robison, Quincey LaPlant, David M. Dietz, Scott J. Russo, Vincent Vialou, Sumana Chakravarty, Thomas J. Kodadek, Ashley Stack, Mohamed Kabbaj, Eric J. Nestler

Research output: Contribution to journalArticlepeer-review

265 Scopus citations

Abstract

Changes in gene expression contribute to the long-lasting regulation of the brain's reward circuitry seen in drug addiction; however, the specific genes regulated and the transcriptional mechanisms underlying such regulation remain poorly understood. Here, we used chromatin immunoprecipitation coupled with promoter microarray analysis to characterize genome-wide chromatin changes in the mouse nucleus accumbens, a crucial brain reward region, after repeated cocaine administration. Our findings reveal several interesting principles of gene regulation by cocaine and of the role of ΔFosB and CREB, two prominent cocaine-induced transcription factors, in this brain region. The findings also provide comprehensive insight into the molecular pathways regulated by cocaine-including a new role for sirtuins (Sirt1 and Sirt2)-which are induced in the nucleus accumbens by cocaine and, in turn, dramatically enhance the behavioral effects of the drug.

Original languageEnglish (US)
Pages (from-to)335-348
Number of pages14
JournalNeuron
Volume62
Issue number3
DOIs
StatePublished - May 14 2009

Keywords

  • CELLBIO
  • MOLNEURO
  • SIGNALING

ASJC Scopus subject areas

  • Neuroscience(all)

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