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Plasma miRNAs Display Limited Potential as Diagnostic Tools for Endometriosis
Victoria Nisenblat1,2, David J Sharkey1,2, Zhao Wang1,2
1Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia.
The Journal of Clinical Endocrinology and Metabolism
|January 5, 2019
Summary
This study identified three plasma microRNAs (miRNAs) with modest accuracy for diagnosing endometriosis. Further research with standardized methods is needed to develop reliable noninvasive diagnostic tools for endometriosis.
Area of Science:
- Gynecology
- Molecular Diagnostics
- Biomarker Discovery
Background:
- Laparoscopy is the standard for endometriosis diagnosis, but noninvasive methods are sought.
- Circulating microRNAs (miRNAs) show promise as endometriosis biomarkers, but findings vary and lack validation.
Purpose of the Study:
- To identify endometriosis-specific plasma miRNAs.
- To determine the diagnostic accuracy of these miRNA biomarkers.
Main Methods:
- A four-phase study involving exploratory analysis, biomarker discovery, selection, and validation in independent cohorts.
- Plasma samples from women with and without endometriosis were analyzed using miRNA sequencing and statistical analysis.
Main Results:
- Three miRNAs (miR-155, miR574-3p, miR139-3p) were consistently dysregulated in endometriosis patients across cohorts.
- The combined diagnostic accuracy of these three miRNAs showed 83% sensitivity and 51% specificity.
Conclusions:
- Plasma miRNAs show potential as noninvasive diagnostic or triage tools for endometriosis.
- Current diagnostic accuracy is modest, and findings differ from previous studies.
- Standardized methodologies are crucial for developing clinically applicable circulating miRNA-based diagnostic tests for endometriosis.
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