Small Extracellular Vesicles in Gestational Diabetes Mellitus: Current Landscape and Emerging Diagnostic Horizons

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Gestational diabetes mellitus (GDM) is a common metabolic disorder of pregnancy associated with significant maternal and neonatal morbidity and mortality. Current diagnostic strategies, particularly the oral glucose tolerance test (OGTT), are limited by late detection, variability in diagnostic criteria, and patient burden, highlighting the need for earlier and more reliable biomarkers. Small extracellular vesicles (sEVs) nanosized vesicles released by maternal, placental, and adipose tissues have emerged as promising candidates for liquid biopsy approaches in GDM. Their molecular cargos, including proteins, miRNAs, circRNAs, and lncRNAs, reflect the physiological or pathological state of the cell of origin and show distinct alterations in pregnancies complicated by GDM. These changes are linked to insulin resistance, inflammation, and placental dysfunction, suggesting a strong diagnostic potential. This review summarizes current knowledge on sEVs cargos as biomarkers for GDM and other pregnancy-related complications and highlights emerging perspectives on their role in the early detection and management of GDM.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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