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Enhancer RNA: biogenesis, function, and regulation.

Rong Ye1,2, Changchang Cao1, Yuanchao Xue1,2,3

  • 1Key Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China.

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|October 9, 2020
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Summary
This summary is machine-generated.

Enhancer RNAs (eRNAs) are transcribed from active enhancers and play crucial roles in gene regulation. This review explores eRNA biogenesis, function, and their significance in transcription and disease.

Keywords:
Chromosomal loopingEnhancerPromoterRNA polymerase IIeRNA

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Area of Science:

  • Genomics
  • Molecular Biology
  • Epigenetics

Background:

  • Enhancers are noncoding DNA elements regulating gene expression.
  • Histone modifications like H3K4me1 and H3K27ac mark enhancers.
  • Active enhancers produce enhancer RNAs (eRNAs) via bidirectional transcription.

Purpose of the Study:

  • To review the biogenesis, functions, and regulation of eRNAs.
  • To discuss the role of eRNAs in transcription activation.
  • To explore the pathological significance of eRNAs.

Main Methods:

  • Literature review of studies on enhancer RNAs.
  • Analysis of evidence supporting eRNA function in transcription.
  • Synthesis of current understanding on eRNA regulation and roles.

Main Results:

  • eRNAs are reliably produced by active enhancers.
  • eRNAs are not merely transcriptional byproducts but have functional roles.
  • eRNAs are involved in regulating chromatin conformation and transcription.

Conclusions:

  • eRNAs are key functional molecules in gene regulation.
  • Understanding eRNAs offers insights into transcription control.
  • eRNAs have implications in various pathological conditions.