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Extracellular fluid miRNAs in PCOS.

Saba Hadi1, Seyed Hossein Khoshraftar1, Amir Hossein Kiani Darabi1

  • 1Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.

Clinica Chimica Acta; International Journal of Clinical Chemistry
|May 30, 2025
PubMed
Summary

MicroRNAs (miRNAs) show distinct expression patterns in polycystic ovary syndrome (PCOS). These differences highlight miRNAs as potential biomarkers for early PCOS detection and understanding disease mechanisms.

Keywords:
EndocrineMetabolicPCOSmiRNAs

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Area of Science:

  • Endocrinology
  • Molecular Biology
  • Genetics

Background:

  • Polycystic ovary syndrome (PCOS) is a common endocrine disorder affecting reproductive and metabolic health.
  • The precise etiology of PCOS remains incompletely understood despite extensive research.
  • MicroRNAs (miRNAs), small non-coding RNAs regulating gene expression, are emerging as key players in PCOS pathogenesis.

Purpose of the Study:

  • To review and analyze variations in extracellular miRNA expression in individuals with PCOS.
  • To assess the diagnostic potential of miRNAs as biomarkers for PCOS.
  • To elucidate the role of miRNAs in the underlying mechanisms of PCOS.

Main Methods:

  • Systematic review of existing literature on miRNA expression in PCOS patients.
  • Analysis of studies reporting differential miRNA profiles in extracellular fluids (e.g., serum, plasma).
  • Evaluation of identified miRNAs' involvement in PCOS-related biological pathways.

Main Results:

  • Significant differences in miRNA expression profiles were observed between PCOS patients and healthy controls.
  • Dysregulation of specific miRNAs was noted in critical pathways including follicular development, steroidogenesis, insulin signaling, and metabolism.
  • These miRNA alterations are implicated in the hormonal imbalances and metabolic dysfunction characteristic of PCOS.

Conclusions:

  • Altered miRNA expression in PCOS patients suggests their potential as valuable biomarkers for early diagnosis and disease characterization.
  • Further research into miRNA-based diagnostics and therapeutics could significantly advance PCOS understanding and treatment.
  • miRNAs offer promising avenues for developing more precise therapeutic strategies for PCOS.