Upregulation of microRNA processing enzymes Drosha and Dicer in gestational diabetes mellitus

Giti Rahimi1, Naser Jafari, Mehnoush Khodabakhsh

  • 1Department of Obstetrics and Gynecology .

Insights

This study found that key microRNA (miRNA) processing enzymes, Drosha, Dicer, and DGCR8, are upregulated in pregnant women and those with gestational diabetes mellitus (GDM), suggesting miRNAs play a role in GDM development.

Area of Science:

  • Molecular Biology
  • Genetics
  • Reproductive Health

Background:

  • MicroRNAs (miRNAs) are crucial regulators of cellular processes and implicated in various diseases.
  • The biogenesis of miRNAs involves key enzymes like Drosha and Dicer, with DGCR8 assisting Drosha in the microprocessor complex.

Purpose of the Study:

  • To investigate the mRNA expression profiles of Drosha, Dicer, and DGCR8 in gestational diabetes mellitus (GDM).
  • To compare these expression levels in GDM patients, pregnant women, and healthy controls.

Main Methods:

  • Analysis of mRNA expression levels of Drosha, Dicer, and DGCR8.
  • Comparison between three groups: healthy controls, pregnant women, and GDM patients.

Main Results:

  • Expression levels of Drosha, Dicer, and DGCR8 were elevated in both pregnant and GDM groups compared to controls.
  • Drosha and Dicer showed higher upregulation in the GDM group than in the non-GDM pregnant group.

Conclusions:

  • Dysregulation of Drosha, Dicer, and DGCR8 expression is observed in pregnant women and GDM patients.
  • These findings support the hypothesis that miRNAs are involved in the pathogenesis of gestational diabetes mellitus.

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