Cited by 298Genetics and Neurodevelopmental DisordersNeuroscience and Neuropharmacology ResearchGenomics and Chromatin Dynamics

Genome-Wide Activity-Dependent MeCP2 Phosphorylation Regulates Nervous System Development and Function

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Cohen, Sonia, Gabel, Harrison W., Hemberg, Martin, Hutchinson, Ashley N., Sadacca, L. Amanda, Ebert, Daniel H., Harmin, David A., Greenberg, Rachel S. +5 more·2011·Neuron

Abstract

Autism spectrum disorders such as Rett syndrome (RTT) have been hypothesized to arise from defects in experience-dependent synapse maturation. RTT is caused by mutations in MECP2, a nuclear protein that becomes phosphorylated at S421 in response to neuronal activation. We show here that disruption of MeCP2 S421 phosphorylation in vivo results in defects in synapse development and behavior, implicating activity-dependent regulation of MeCP2 in brain development and RTT. We investigated the mechanism by which S421 phosphorylation regulates MeCP2 function and show by chromatin immunoprecipitation-sequencing that this modification occurs on MeCP2 bound across the genome. The phosphorylation of MeCP2 S421 appears not to regulate the expression of specific genes; rather, MeCP2 functions as a histone-like factor whose phosphorylation may facilitate a genome-wide response of chromatin to neuronal activity during nervous system development. We propose that RTT results in part from a loss of this experience-dependent chromatin remodeling.

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Crossref · 10.1016/j.neuron.2011.08.022

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  • The AMPA receptor-dependent synaptic potentiation induced by ketamine causes an excitation shift that increases MeCP2 Ser421 phosphorylation, leading to transcriptional changes that support long-term synaptic adaptations essential for sustained antidepressant effects.

    “The AMPA receptor-dependent synaptic potentiation induced by ketamine causes an excitation shift that increases MeCP2 Ser421 phosphorylation, leading to transcriptional changes that support long-term synaptic adaptations essential for sustained antidepressant effects [79].”

    From Variations in BDNF and Their Role in the Neurotrophic Antidepressant Mechanisms of Ketamine and Esketamine: A Review (2024) · cites this paper as [79]

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  • MECP2 may have a histone-like role in regulating chromatin structure and gene expression.

    “These findings suggest that MECP2 may have a histone-like role in regulating chromatin structure and gene expression79,80.”
  • Activity-dependent phosphorylation of MECP2 may mediate a genome-wide chromatin response to neuronal activity.

    “raising the possibility that activity-dependent phosphorylation of MECP2 mediates a genome-wide chromatin response to neuronal activity80.”
  • Ser421Ala knock-in mice had deficits in their response to new objects or mice.

    “Behaviourally, the Ser421Ala knock-in mice had deficits in their response to new objects or mice80.”
  • Activity-dependent phosphorylation of MECP2 regulates synapse development and function and behavioural responses to environmental stimuli.

    “These findings indicate that activity-dependent phosphorylation of MECP2 regulates synapse development and function and behavioural responses to environmental stimuli.”

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Authors
Cohen, S., Gabel, H. W., Hemberg, M., Hutchinson, A. N., Sadacca, L. A., Ebert, D. H., Harmin, D. A., Greenberg, R. S., Verdine, V. K., Zhou, Z., Wetsel, W. C., West, A. E., & Greenberg, M. E.
Affiliations
  • Harvard University (US)
  • Boston Children's Hospital (US)
  • Duke Medical Center (US)
Corresponding author
Greenberg, Michael E.
Venue
Neuron
Publisher
Elsevier BV
Published
2011-10
Volume
72
Issue
1
Pages
72-85
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2019492932
Cited by
298
References
44
Citations by year
2026: 6 · 2025: 11 · 2024: 11 · 2023: 11 · 2022: 10 · 2021: 13 · 2020: 26 · 2019: 12 · 2018: 20 · 2017: 21 · 2016: 28 · 2015: 19 · 2014: 34 · 2013: 39 · 2012: 35
FWCI
21.95
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • National Institutes of Health (1R01NS048276, R01 DA022202)
  • March of Dimes Foundation (1-FY07-482, T32CA009361)
  • Damon Runyon Cancer Research Foundation (1R21NS070250-01A1, DRG-2048-10, K08MH90306, K99 NS058391)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
MeCP2, Rett syndrome, autism spectrum disorder, activity-dependent regulation, synaptic development, chromatin remodeling, neuronal activity, brain development
MeSH terms
Animals, Brain, Chromatin, Dendrites, Exploratory Behavior, Mice, Inbred C57BL, Neurons, Phosphorylation, Genome, Gene Expression Regulation, Developmental, Chromatin Immunoprecipitation, Mice, Methyl-CpG-Binding Protein 2, Gene Knock-In Techniques

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