Epigenetic choreographers of neurogenesis in the adult mammalian brain

  • Ma D
  • Marchetto M
  • Guo J
 et al. 
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Abstract

Epigenetic mechanisms regulate cell differentiation during embryonic development and also serve as important interfaces between genes and the environment in adulthood. Neurogenesis in adults, which generates functional neural cell types from adult neural stem cells, is dynamically regulated by both intrinsic state-specific cell differentiation cues and extrinsic neural niche signals. Epigenetic regulation by {DNA} and histone modifiers, non-coding {RNAs} and other self-sustained mechanisms can lead to relatively long-lasting biological effects and maintain functional neurogenesis throughout life in discrete regions of the mammalian brain. Here, we review recent evidence that epigenetic mechanisms carry out diverse roles in regulating specific aspects of adult neurogenesis and highlight the implications of such epigenetic regulation for neural plasticity and disorders.

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Authors

  • Dengke K Ma

  • Maria Marchetto

  • Junjie U Guo

  • Guo-Li Ming

  • Fred H Gage

  • Hongjun Song

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