Publications by authors named "Juan Carlos Toro-Ortiz"

Gestational diabetes mellitus (GDM) is one of the most frequent pregnancy complications with potential adverse outcomes for mothers and newborns. Its effects on the newborn appear during the neonatal period or early childhood. Therefore, an early diagnosis is crucial to prevent the development of chronic diseases later in adult life.

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Background: There has been a global increase in the prevalence of obesity in pregnant women in recent years. Animal studies have shown that intrauterine environment associated with maternal obesity leads to epigenetic changes. However, the effects of epigenetic changes occurring before birth in response to maternal conditions have not been clearly characterized in humans.

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Article Synopsis
  • Placenta-derived exosomes facilitate cellular communication between the mother and fetus, with their composition varying in pregnancy disorders like gestational diabetes mellitus (GDM).
  • This study isolates and characterizes placental exosomes from the urine of GDM patients throughout all three trimesters, confirming their presence with advanced imaging and analysis techniques.
  • The research reveals that certain microRNAs linked to metabolic pathways are downregulated in GDM, suggesting urinary exosomes could serve as valuable biomarkers and therapeutic targets for managing the condition.
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Gestational diabetes mellitus (GDM) is a disorder in pregnancy with highest impact in the future life of both mother and newborn. Increasing incidence, economic impact, and potential for severe GDM-related pregnancy complications are some factors that have motivated the deep study of physiopathology, risk factors for developing GDM, and potential biomarkers for its diagnosis. In the present pilot study, we analyzed the urinary metabolome profile of GDM patients in the 3rd trimester of pregnancy, when GDM is already established and the patients are under dietary and pharmacological control.

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