MicroRNA expression and its association with DNA repair in preimplantation embryos

Pinar Tulay1, Sioban B Sengupta

  • 1Near East University, Faculty of Medicine, Department of Medical Genetics, Nicosia, Cyprus.

Insights

MicroRNAs regulate DNA repair for healthy embryo development. Aberrant microRNA expression impacts genomic integrity in gametes and early embryos.

Area of Science:

  • Reproductive biology
  • Genetics
  • Molecular biology

Background:

  • Genomic integrity is vital for preimplantation embryo development, relying on active DNA repair pathways.
  • MicroRNAs (miRNAs) are key gene regulators impacting cellular processes.
  • While miRNA's role in infertility is studied, their function in embryonic DNA repair is less understood.

Purpose of the Study:

  • To review microRNA biogenesis and function.
  • To explore the impact of aberrant microRNA expression on DNA repair mechanisms.
  • To highlight the significance of microRNA regulation in gametes and preimplantation embryos.

Main Methods:

  • Literature review of microRNA biogenesis.
  • Analysis of microRNA's role in gene expression regulation.
  • Review of studies on DNA repair pathways in reproductive cells and embryos.

Main Results:

  • MicroRNAs are essential for post-transcriptional gene regulation.
  • Dysregulated microRNA expression can disrupt DNA repair processes.
  • Evidence suggests a critical role for miRNAs in maintaining genomic stability during early development.

Conclusions:

  • MicroRNA regulation is crucial for DNA repair in gametes and preimplantation embryos.
  • Understanding miRNA's role can offer insights into infertility and developmental issues.
  • Further research into miRNA-mediated DNA repair is warranted for reproductive health.