Inflammation in maternal obesity and gestational diabetes mellitus
P Pantham1, I L M H Aye2, T L Powell1
1Department of Pediatrics, Section of Neonatology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
Insights
Maternal obesity and gestational diabetes mellitus (GDM) can lead to chronic inflammation, potentially programming offspring for adult diseases. The placenta plays a key role in mediating these effects.
Area of Science:
- Obstetrics
- Reproductive Medicine
- Developmental Biology
Background:
- Rising maternal obesity worldwide presents significant obstetric challenges, increasing risks for mothers and infants.
- Obesity in pregnancy is linked to complications like gestational diabetes mellitus (GDM) and predisposes offspring to future cardiovascular and metabolic disorders.
- Maternal obesity and GDM may induce a chronic inflammatory state ('metainflammation'), potentially programming fetal development.
Purpose of the Study:
- To review evidence linking maternal obesity and GDM to altered inflammatory profiles in mothers, fetuses, and placentas.
- To explore the role of inflammation in the intergenerational transmission of metabolic and cardiovascular disease risk.
Main Methods:
- Literature review of studies examining inflammatory markers in maternal obesity and GDM.
- Analysis of research on maternal, fetal, and placental inflammatory responses.
Main Results:
- Maternal inflammation associated with obesity and GDM is not consistently mirrored by fetal inflammation.
- The placenta appears to adapt to maternal inflammatory signals.
Conclusions:
- The placenta acts as a crucial interface, sensing and responding to the maternal inflammatory environment.
- Maternal obesity and GDM may indirectly program fetal development and long-term health outcomes through placental adaptation.
Background:
The prevalence of maternal obesity is rising rapidly worldwide and constitutes a major obstetric problem, increasing mortality and morbidity in both mother and offspring. Obese women are predisposed to pregnancy complications such as gestational diabetes mellitus (GDM), and children of obese mothers are more likely to develop cardiovascular and metabolic disease in later life. Maternal obesity and GDM may be associated with a state of chronic, low-grade inflammation termed "metainflammation", as opposed to an acute inflammatory response. This inflammatory environment may be one mechanism by which offspring of obese women are programmed to develop adult disorders.
Methods:
Herein we review the evidence that maternal obesity and GDM are associated with changes in the maternal, fetal and placental inflammatory profile.
Results:
Maternal inflammation in obesity and GDM may not always be associated with fetal inflammation.
Conclusion:
We propose that the placenta 'senses' and adapts to the maternal inflammatory environment, and plays a central role as both a target and producer of inflammatory mediators. In this manner, maternal obesity and GDM may indirectly program the fetus for later disease by influencing placental function.
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