Cited by 199Genetics and Neurodevelopmental DisordersNeuroinflammation and Neurodegeneration MechanismsEpigenetics and DNA Methylation

Methyl-CpG Binding Protein 2 Regulates Microglia and Macrophage Gene Expression in Response to Inflammatory Stimuli

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Cronk, James C., Derecki, Noël C., Ji, Emily, Xu, Yang, Lampano, Aaron E., Smirnov, Igor, Baker, Wendy, Norris, Geoffrey T. +10 more·2015·Immunity

Abstract

Mutations in MECP2, encoding the epigenetic regulator methyl-CpG-binding protein 2, are the predominant cause of Rett syndrome, a disease characterized by both neurological symptoms and systemic abnormalities. Microglial dysfunction is thought to contribute to disease pathogenesis, and here we found microglia become activated and subsequently lost with disease progression in Mecp2-null mice. Mecp2 was found to be expressed in peripheral macrophage and monocyte populations, several of which also became depleted in Mecp2-null mice. RNA-seq revealed increased expression of glucocorticoid- and hypoxia-induced transcripts in Mecp2-deficient microglia and peritoneal macrophages. Furthermore, Mecp2 was found to regulate inflammatory gene transcription in response to TNF stimulation. Postnatal re-expression of Mecp2 using Cx3cr1(creER) increased the lifespan of otherwise Mecp2-null mice. These data suggest that Mecp2 regulates microglia and macrophage responsiveness to environmental stimuli to promote homeostasis. Dysfunction of tissue-resident macrophages might contribute to the systemic pathologies observed in Rett syndrome.

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Crossref · 10.1016/j.immuni.2015.03.013

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  1. Maezawa I Jin LW Rett syndrome microglia damage dendrites and synapses by the elevated release of glutamate The Journal of neuroscience: the official journal of the Society for Neuroscience 2010 30 5346 5356 20392956 PMC5533099

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Authors
Cronk, J. C., Derecki, N. C., Ji, E., Xu, Y., Lampano, A. E., Smirnov, I., Baker, W., Norris, G. T., Marin, I., Coddington, N., Wolf, Y., Turner, S. D., Aderem, A., Klibanov, A. L., Harris, T. H., Jung, S., Litvak, V., & Kipnis, J.
Affiliations
  • University of Virginia Medical Center (US)
  • University of Virginia (US)
  • University of Massachusetts Chan Medical School (US)
  • Weizmann Institute of Science (IL)
  • Center for Infectious Disease Research (US)
Corresponding author
  • Litvak, Vladimir
  • Kipnis, Jonathan
Venue
Immunity
Publisher
Elsevier BV
Published
2015-04
Volume
42
Issue
4
Pages
679-691
ISSN
1074-7613 (ISSN-L)
OpenAlex
W2040889890
Cited by
199
References
48
Citations by year
2026: 12 · 2025: 21 · 2024: 14 · 2023: 18 · 2022: 14 · 2021: 22 · 2020: 8 · 2019: 21 · 2018: 24 · 2017: 22 · 2016: 15 · 2015: 8
FWCI
15.72
Type
journal article
Language
en
Open access
Locations
  • Immunity (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of General Medical Sciences (T32GM007267)
  • National Institute of Allergy and Infectious Diseases (U19AI100627, F30AI109984)
  • National Institute of Neurological Disorders and Stroke (R01NS081026, NS081026)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
MeCP2, Rett syndrome, microglia, macrophages, monocytes, microglial activation, inflammatory gene expression, TNF signaling, glucocorticoid response, hypoxia response, epigenetic regulation, Mecp2-null mice, lifespan, tissue homeostasis
MeSH terms
CX3C Chemokine Receptor 1, Animals, Disease Models, Animal, Female, Homeostasis, Humans, Longevity, Male, Mice, Inbred C57BL, Tumor Necrosis Factor-alpha, Signal Transduction, Rett Syndrome, Microglia, Macrophages, Peritoneal, Mice, Knockout, CpG Islands, DNA Methylation, Integrases, Receptors, Chemokine, Gene Expression Profiling, Epigenesis, Genetic, Mice, Methyl-CpG-Binding Protein 2, High-Throughput Nucleotide Sequencing

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