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Methylation-Regulated Long Non-Coding RNA Expression in Ulcerative Colitis.

Christopher G Fenton1,2, Mithlesh Kumar Ray1, Wei Meng1

  • 1Clinical Bioinformatics Research Group, Department of Clinical Medicine, UiT-The Arctic University of Norway, N-9037 Tromsø, Norway.

International Journal of Molecular Sciences
|July 14, 2023
PubMed
Summary
This summary is machine-generated.

This study explores the connection between DNA methylation and long non-coding RNA (lncRNA) expression in ulcerative colitis (UC). It identifies specific lncRNAs and genes involved in inflammation, offering new insights into UC pathogenesis.

Keywords:
DNA methylationepigeneticslong non-coding RNAsulcerative colitis

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Area of Science:

  • Epigenetics
  • Molecular Biology
  • Gastroenterology

Background:

  • Long non-coding RNAs (lncRNAs) are implicated in ulcerative colitis (UC) pathogenesis.
  • The interplay between DNA methylation and lncRNA expression in UC remains underexplored.
  • Environmental factors and epigenetic modifications are believed to contribute to UC development.

Purpose of the Study:

  • To investigate the relationship between DNA methylation and lncRNA expression in UC.
  • To identify specific lncRNAs regulated by differentially methylated regions (DMRs) in UC.
  • To uncover potential downstream genes influenced by DMR-regulated lncRNAs in UC.

Main Methods:

  • Analysis of whole-genome bisulfite sequencing (WGBS) and lncRNA expression data from UC patient and control mucosal biopsies.
  • Correlation analysis to identify lncRNAs potentially regulated by upstream DMRs.
  • Identification of proximal protein-coding genes associated with DMR-regulated lncRNAs.

Main Results:

  • Identified UC-associated lncRNAs, including MIR4435-2HG, ZFAS1, IL6-AS1, and Pvt1, potentially regulated by DMRs.
  • Found downstream genes involved in inflammatory immune responses, such as SERPINB1, CCL18, and SLC15A4, linked to DMR-regulated lncRNAs.
  • Established a potential link between DNA methylation-driven lncRNA regulation and UC pathogenesis.

Conclusions:

  • The interplay between DNA methylation and lncRNA expression is a significant factor in UC.
  • Specific lncRNAs and their downstream targets may play crucial roles in UC-related inflammation.
  • Further research into these epigenetic interactions could enhance understanding and treatment of UC.