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Histone Deacetylases and Immediate Early Genes: Key Players in Psychostimulant-Induced Neuronal Plasticity

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Abstract

IEGs play a critical functional role of in molecular, cellular, and behavioral alterations induced by psychostimulants. IEGs appear to have specific chromatin structures that may contribute to the rapid activation of their transcription. HDAC enzymes regulate reversible acetylation of lysine residues of histones and non-histone proteins. Dysregulation of HDACs has been proposed to modulate the establishment and maintenance of aberrant transcriptional programs and behaviors associated with cognitive dysfunctions and drug addiction. In this mini-review we focus our attention on recent discoveries concerning networks of protein–protein interactions for the two classes of HDAC protein family members that are highly expressed in neurons, class I and IIa HDACs. Because dynamic histone acetylation appears to be critical to IEG expression in the brain, we discuss the role of these epigenetic regulators on IEG expression induced by cocaine and methamphetamine intake.

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Funding

The Intramural Research Program of the National Institute on Drug Abuse, NIH, and DHHS supports Jean Lud Cadet. Veronica Bisagno is supported by grants from ANPCyT, PICT 2015–2594, PICT 2018-01744, Argentina.

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Correspondence to Veronica Bisagno.

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Bisagno, V., Cadet, J.L. Histone Deacetylases and Immediate Early Genes: Key Players in Psychostimulant-Induced Neuronal Plasticity. Neurotox Res 39, 2134–2140 (2021). https://doi.org/10.1007/s12640-021-00420-3

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  • DOI: https://doi.org/10.1007/s12640-021-00420-3

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