Urinary miRNA Expression in Pre-Eclampsia During Early and Mid-Pregnancy
Author Information
Author(s): Illarionov Roman A., Maltseva Anastasia R., Pachuliia Olga V., Postnikova Tatiana B., Vashukova Elena S., Popova Anastasiia K., Nasykhova Yulia A., Bespalova Olesya N., Glotov Andrey S.
Primary Institution: D.O. Ott Research Institute for Obstetrics, Gynecology, and Reproduction, St. Petersburg, Russia
Hypothesis
This study aimed to investigate the urinary miRNA expression profiles in women with pre-eclampsia during the first and second trimesters.
Conclusion
The study identified differentially expressed miRNAs in the urine of pre-eclamptic patients during early pregnancy, suggesting their potential as non-invasive biomarkers for early detection of pre-eclampsia.
Supporting Evidence
- In the first trimester, five miRNAs were dysregulated in PE compared to the control group.
- In the second trimester, two miRNAs were downregulated and three were upregulated in pre-eclamptic patients.
- Changes in the level of differential expression of miRNAs during gestation highlight their role in the progression of PE.
Takeaway
The researchers looked at urine samples from pregnant women to find tiny molecules that could help detect a serious condition called pre-eclampsia early on.
Methodology
A prospective study was conducted using urine samples from 24 pregnant women, with miRNA isolation, library preparation, and high-throughput sequencing performed.
Limitations
The main limitation is the lack of RT-PCR validation of the miRNA sequencing results due to insufficient patient numbers.
Participant Demographics
Participants were aged between 25 and 35 years, with a singleton pregnancy.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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