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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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Updated: May 16, 2026

Identification and Classification of Position-specific GABAA Receptor Subunit Missense Variants for Their Role In Hippocampal Pyramidal Neurons
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Epigenetics and epilepsy.

Avtar Roopra1, Raymond Dingledine, Jenny Hsieh

  • 1Department of Neuroscience, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA. asroopra@wisc.edu

Epilepsia
|December 11, 2012
PubMed
Summary

Epigenetic mechanisms, particularly the transcription factor REST (repressor element 1-silencing transcription factor), play a crucial role in epilepsy by altering gene expression and neuronal excitability. Understanding these epigenetic changes offers new avenues for epilepsy treatment.

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Published on: August 15, 2017

Area of Science:

  • Neuroscience
  • Genetics
  • Epigenetics

Background:

  • Seizures induce lasting changes in gene expression and neural networks, characteristic of epilepsy.
  • Epigenetic modifications, including chromatin structure changes, are increasingly recognized as key mediators of these long-term alterations.
  • The transcription factor REST (repressor element 1-silencing transcription factor) is a significant focus due to its potential to regulate genes controlling circuit excitability and seizures.

Purpose of the Study:

  • To review the current understanding of epigenetic mechanisms in epilepsy.
  • To explore the role of REST in controlling gene expression, circuit excitability, and neurogenesis in epilepsy.
  • To discuss the involvement of MeCP2 (methyl-CpG-binding protein 2) and CREB (cyclic AMP response element binding protein) in neuronal activity and their regulation.

Main Methods:

  • Literature review of studies on epigenetics and epilepsy.
  • Analysis of the function of REST in regulating gene expression in the nervous system.
  • Examination of the roles of MeCP2 and CREB in neuronal activity and epigenetic regulation.

Main Results:

  • REST utilizes epigenetic machinery to repress genes, influencing circuit excitability and potentially driving epilepsy.
  • Epigenetic mechanisms, traditionally linked to heritable gene expression changes, are also vital for activity-dependent gene expression in neurons.
  • MeCP2 and CREB are identified as key regulators of neuronal activity influenced by epigenetic processes.

Conclusions:

  • Epigenetic modifications, especially those involving REST, are fundamental to the development and persistence of epilepsy.
  • Further research into epigenetic targets like REST, MeCP2, and CREB may reveal novel therapeutic strategies for epilepsy.
  • The field of epigenetics offers promising future directions for understanding and treating epilepsy.