Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Recent Updates on microRNA as Potential Biomarkers for Diagnosis of Gestational Diabetes mellitus

Version 1 : Received: 25 December 2021 / Approved: 27 December 2021 / Online: 27 December 2021 (11:37:18 CET)

A peer-reviewed article of this Preprint also exists.

Journal reference: Journal of Medicine 2022, 23, 146-150
DOI: 10.3329/jom.v23i2.60632

Abstract

Background/Aims: Screening for gestational diabetes mellitus (GDM) are currently done at 24 - 28 weeks of conception, missing out on the most vulnerable period of organogenesis and thus preventing clinicians from starting treatments until the late second or third trimester. MicroRNAs (miR) are small non-coding RNA molecules that could aid in detecting or predicting GDM through establishing a novel non-invasive prenatal testing (NIPT) tool. The objective of this study was to summarize the most recent updates on plasma microRNAs as GDM diagnostic biomarkers. Methods: Between April and June 2021, a PubMed literature search was undertaken to review recent articles on human plasma miR associated with GDM. Animal studies and papers that are written in languages other than English were excluded. Only plasma miRNAs were used to avoid coagulation biases. Results: A total of 31 miRNAs were found significantly upregulated in the plasma samples of patients with GDM. It was found mainly during the 2nd or 3rd trimester except for miR-223 and miR-23a that were upregulated at 9 – 11 weeks of gestation. Conclusion: Though extensive prospective cohort studies are required, miR-223 and miR-23a should be considered the most promising to develop a successful NIPT tool because they were found to be upregulated earliest, during the first trimester.

Keywords

microRNA; diabetes; pregnancy; prenatal testing

Subject

MEDICINE & PHARMACOLOGY, General Medical Research

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