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Metabolomic profiles and microbiota of GDM offspring: The key for future perspective?
Angelica Dessì1, Chiara Tognazzi1, Alice Bosco1
1Neonatal Intensive Care Unit, Department of Surgical Sciences, Azienda Ospedaliera Universitaria (AOU) Cagliari, University of Cagliari, Cagliari, Italy.
Insights
Gestational diabetes mellitus (GDM) in pregnancy impacts fetal development. Metabolomic and microbiota analysis of offspring may reveal early diagnostic markers for GDM complications.
Area of Science:
- Obstetrics and Gynecology
- Metabolomics
- Microbiome Research
Background:
- Gestational diabetes mellitus (GDM) is a common pregnancy complication with increasing prevalence.
- Maternal hyperglycemia and intrauterine environment impact fetal metabolic maturation and long-term health.
- Incomplete knowledge exists regarding the metabolic development of newborns exposed to GDM.
Purpose of the Study:
- To review alterations in metabolomic profiles and gut microbiota of offspring born to mothers with GDM.
- To identify potential early diagnostic and preventative strategies for GDM-related complications in children.
- To highlight future research directions for managing GDM's impact on offspring.
Main Methods:
- Review of existing literature on metabolomic and microbiota alterations in GDM offspring.
- Analysis of data linking intrauterine environment to offspring's metabolic health.
- Exploration of diagnostic and monitoring potential of metabolomic profiling and microbiome analysis.
Main Results:
- Maternal hyperglycemia during pregnancy can lead to detrimental metabolic alterations in the fetus.
- Metabolomic analysis offers a detailed phenotypic portrait for early diagnosis and complication prevention.
- Alterations in the intestinal microbiota of GDM pregnancies are observed and potentially transmissible to offspring.
Conclusions:
- Metabolomic and microbiota analyses are promising tools for understanding and mitigating GDM's effects on offspring.
- Early identification of specific metabolites and microbial patterns can improve monitoring and nutritional management.
- Further research is needed to fully elucidate the long-term health consequences and develop targeted interventions.
Abstract:
Gestational diabetes mellitus (GDM), or any degree of glucose intolerance recognized for the first time during pregnancy, is one of the diseases that most frequently aggravates the course of gestation. Missed or late diagnosis and inadequate treatment are associated with high maternal and fetal morbidity, with possible short- and long-term repercussions. Estimates on the prevalence of GDM are alarming and increasing by about 30% in the last 10-20 years. In addition, there is the negative influence of the SARS-CoV-2 emergency on the glycemic control of pregnant women, making the matter increasingly topical. To date, knowledge on the metabolic maturation of newborns is still incomplete. However, in light of the considerable progress of the theory of "developmental origins of health and disease," the relevant role of the intrauterine environment cannot be overlooked. In fact, due to the high plasticity of the early stages of development, some detrimental metabolic alterations during fetal growth, including maternal hyperglycemia, are associated with a higher incidence of chronic diseases in adult life. In this context, metabolomic analysis which allows to obtain a detailed phenotypic portrait through the dynamic detection of all metabolites in cells, tissues and different biological fluids could be very useful for the early diagnosis and prevention of complications. Indeed, if the diagnostic timing is optimized through the identification of specific metabolites, the detailed understanding of the altered metabolic pathway could also allow better management and more careful monitoring, also from a nutritional profile, of the more fragile children. In this context, a further contribution derives from the analysis of the intestinal microbiota, the main responsible for the fecal metabolome, given its alteration in pregnancies complicated by GDM and the possibility of transmission to offspring. The purpose of this review is to analyze the available data regarding the alterations in the metabolomic profile and microbiota of the offspring of mothers with GDM in order to highlight future prospects for reducing GDM-related complications in children of mothers affected by this disorder.
