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Micro-RNA Profiling in Dental Pulp Cell Cultures.

Michaela Kearney1, Henry F Duncan2

  • 1Division of Restorative Dentistry and Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland. michaela.kearney@dental.tcd.ie.

Methods in Molecular Biology (Clifton, N.J.)
|November 23, 2022
PubMed
Summary

This study explores microRNAs (miRNAs) and epigenetic modifiers in dental pulp stem cell (DPSC) differentiation for regenerative endodontics. We detail methods to analyze miRNA profiles after inducing mineralization with epigenetic modifiers.

Keywords:
DNMTiDPSCsEpigeneticsHDACiNon-coding RNARNA sequencingTarget gene analysismicroRNA

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Area of Science:

  • Stem cell biology
  • Epigenetics
  • Regenerative Endodontics

Background:

  • MicroRNAs (miRNAs) and epigenetic modifiers play key roles in cellular processes.
  • Their influence on dental pulp stem cell (DPSC) differentiation is crucial for regenerative endodontics.
  • The interaction between miRNAs and epigenetic modifiers during DPSC mineralization is largely unexplored.

Purpose of the Study:

  • To investigate the interplay between epigenetic modifiers and miRNA expression during DPSC mineralization.
  • To establish experimental methods for analyzing miRNA profiles in response to epigenetic modulation.
  • To provide insights into novel therapeutic targets for regenerative endodontics.

Main Methods:

  • Induction of mineralization in dental pulp stem cells (DPSCs) with and without epigenetic modifiers (HDAC inhibitors and DNMT inhibitors).
  • Next-generation sequencing (NGS) for comprehensive miRNA expression profiling using RNA sequencing (RNAseq).
  • Bioinformatic analysis to interpret miRNA expression data and identify key regulatory pathways.

Main Results:

  • Detailed description of experimental protocols for DPSC mineralization and epigenetic modulation.
  • Methodology for RNA sequencing to capture miRNA expression profiles.
  • Focus on bioinformatic approaches for analyzing complex miRNA-epigenetic interactions.

Conclusions:

  • This work lays the foundation for understanding miRNA-epigenetic interactions in DPSC differentiation.
  • The described methods enable detailed analysis of miRNA expression in response to epigenetic modifiers.
  • This research opens new avenues for therapeutic strategies in regenerative endodontics.