Histone Deacetylase 5 Epigenetically Controls Behavioral Adaptations to Chronic Emotional Stimuli
William Renthal,Ian Maze,Vaishnav Krishnan,Herbert E. Covington,Guanghua Xiao,Arvind Kumar,Scott J. Russo,Ami Graham,Nadia M. Tsankova,Tod E. Kippin,Kerry A. Kerstetter,Rachael L. Neve,Stephen J. Haggarty,Timothy A. McKinsey,Rhonda S Bassel-Duby,Eric N. Olson,Eric J. Nestler +16 more
TLDR
It is suggested that proper balance of histone acetylation is a crucial factor in the saliency of a given stimulus and that disruption of this balance is involved in the transition from an acute adaptive response to a chronic psychiatric illness.About:
This article is published in Neuron.The article was published on 2007-11-08 and is currently open access. It has received 585 citations till now. The article focuses on the topics: Histone deacetylase 5 & Histone deacetylase.read more
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The molecular neurobiology of depression
TL;DR: Recent studies combining behavioural, molecular and electrophysiological techniques reveal that certain aspects of depression result from maladaptive stress-induced neuroplastic changes in specific neural circuits and show that understanding the mechanisms of resilience to stress offers a crucial new dimension for the development of fundamentally novel antidepressant treatments.
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HDAC2 negatively regulates memory formation and synaptic plasticity
Ji-Song Guan,Stephen J. Haggarty,Emanuela Giacometti,Jan Hermen Dannenberg,Jan Hermen Dannenberg,Nadine F. Joseph,Nadine F. Joseph,Jun Gao,Thomas J.F. Nieland,Ying Zhou,X. L. Wang,Ralph Mazitschek,James E. Bradner,Ronald A. DePinho,Rudolf Jaenisch,Li-Huei Tsai,Li-Huei Tsai +16 more
TL;DR: It is suggested that HDAC2 functions in modulating synaptic plasticity and long-lasting changes of neural circuits, which in turn negatively regulates learning and memory.
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The brain reward circuitry in mood disorders
Scott J. Russo,Eric J. Nestler +1 more
TL;DR: This Review synthesizes recent data from human and rodent studies from which emerges a circuit-level framework for understanding reward deficits in depression, and discusses some of the molecular and cellular underpinnings of this framework, ranging from adaptations in glutamatergic synapses and neurotrophic factors to transcriptional and epigenetic mechanisms.
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Dynamic DNA methylation programs persistent adverse effects of early-life stress
Chris Murgatroyd,Alexandre V. Patchev,Yonghe Wu,Vincenzo Micale,Yvonne Bockmühl,Dieter Fischer,Florian Holsboer,Carsten T. Wotjak,Osborne F. X. Almeida,Dietmar Spengler +9 more
TL;DR: It is found that neuronal activity controlled the ability of MeCP2 to regulate activity-dependent transcription of the Avp gene and induced epigenetic marking, which can dynamically control DNA methylation in postmitotic neurons to generate stable changes in Avp expression that trigger neuroendocrine and behavioral alterations that are frequent features in depression.
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Epigenetics and the biological definition of gene x environment interactions.
TL;DR: This review focuses on the enduring effects of naturally occurring variations in maternal care on gene expression and phenotype to provide an example of environmentally driven plasticity at the level of the DNA, revealing the interdependence of gene and environmental in the regulation of phenotype.
References
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Chromatin Modifications and Their Function
TL;DR: The surface of nucleosomes is studded with a multiplicity of modifications that can dictate the higher-order chromatin structure in which DNA is packaged and can orchestrate the ordered recruitment of enzyme complexes to manipulate DNA.
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Methylation of histone H3 lysine 9 creates a binding site for HP1 proteins.
TL;DR: It is shown that mammalian methyltransferases that selectively methylate histone H3 on lysine 9 (Suv39h HMTases) generate a binding site for HP1 proteins—a family of heterochromatic adaptor molecules implicated in both gene silencing and supra-nucleosomal chromatin structure.
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Selective recognition of methylated lysine 9 on histone H3 by the HP1 chromo domain.
Andrew J. Bannister,Philip Zegerman,Janet F. Partridge,Eric A. Miska,Jean O. Thomas,Robin C. Allshire,Tony Kouzarides +6 more
TL;DR: A stepwise model for the formation of a transcriptionally silent heterochromatin is provided: SUV39H1 places a ‘methyl marker’ on histone H3, which is then recognized by HP1 through its chromo domain, which may also explain the stable inheritance of theheterochromatic state.
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Neurobiology of depression.
Eric J. Nestler,Michel Barrot,Ralph J. DiLeone,Amelia J. Eisch,Stephen J. Gold,Lisa M. Monteggia +5 more
TL;DR: A neurobiologic understanding of depression also requires identification of the genes that make individuals vulnerable or resistant to the syndrome, and advances will fundamentally improve the treatment and prevention of depression.
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Perceptions of epigenetics
TL;DR: During the past year, more than 2,500 articles, numerous scientific meetings and a new journal were devoted to the subject of epigenetics, portrayed by the popular press as a revolutionary new science — an antidote to the idea that the authors are hard-wired by their genes.