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Glucocorticoids and foetal heart maturation; implications for prematurity and foetal programming
Eva A Rog-Zielinska1, Rachel V Richardson, Martin A Denvir
1Queen's Medical Research Institute, Centre for Cardiovascular Science, University of Edinburgh, Edinburgh EH16 4TJ, UK.
Journal of Molecular Endocrinology
|December 5, 2013
Summary
Glucocorticoids are vital hormones for mammalian development. This review highlights their critical role in fetal heart maturation, with implications for lifelong cardiovascular health.
Area of Science:
- Endocrinology
- Developmental Biology
- Cardiovascular Science
Background:
- Glucocorticoids (GCs) are essential steroid hormones regulating mammalian adaptation to postnatal life.
- Maternal and fetal GC levels surge before birth, influencing organ development.
- Clinical use of synthetic GCs aids preterm infant survival, particularly lung development, but cardiac effects are less understood.
Purpose of the Study:
- To review current evidence on the role of glucocorticoids in late-gestation heart maturation.
- To explore the impact of altered glucocorticoid exposure on fetal cardiac development.
Main Methods:
- Literature review of recent studies on glucocorticoid function in fetal development.
- Analysis of evidence linking prenatal glucocorticoid exposure to heart maturation trajectories.
Main Results:
- Glucocorticoids play a crucial role in the normal maturation of the fetal heart.
- Both insufficient and excessive prenatal glucocorticoid exposure can disrupt normal heart development.
- Disrupted maturation may lead to long-term cardiovascular consequences.
Conclusions:
- Prenatal glucocorticoid signaling is critical for normal fetal heart development.
- Imbalances in prenatal glucocorticoid exposure can have lasting adverse effects on cardiovascular health.
- Further research is needed to fully elucidate the mechanisms and long-term impacts.
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