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Development and programming of the hypothalamus-pituitary-adrenal axis
1Department of Physiology and Functional Genomics, University of Florida College of Medicine, Gainesville, Florida, USA. woodc@ufl.edu
Clinical Obstetrics and Gynecology
|July 4, 2013
Summary
The fetal hypothalamus-pituitary-adrenal (HPA) axis is crucial for fetal development and postnatal survival. Early life stress may permanently alter HPA axis function, impacting stress response throughout life.
Area of Science:
- Endocrinology
- Developmental Biology
- Neuroscience
Background:
- The fetal hypothalamus-pituitary-adrenal (HPA) axis regulates fetal development and prepares for birth.
- Proper HPA axis function is vital for postnatal survival and adaptation.
- Early life stressors may lead to long-term programming of HPA axis reactivity.
Purpose of the Study:
- To review the literature on the normal development of the fetal HPA axis.
- To examine the concept of HPA axis programming by early life stressors.
- To understand the implications of HPA axis programming for postnatal physiology.
Main Methods:
- Literature review of studies on fetal HPA axis development.
- Analysis of research on the effects of prenatal and neonatal stressors.
- Synthesis of findings on HPA axis programming and its consequences.
Main Results:
- The fetal HPA axis undergoes significant development in utero.
- Evidence suggests that early life stressors can permanently alter HPA axis function.
- Altered HPA axis programming can lead to altered responses to stimuli later in life.
Conclusions:
- The fetal HPA axis is a key regulator of fetal development and adaptation.
- Programming of the HPA axis by early life stressors has significant implications for health.
- Further research is needed to fully elucidate the mechanisms and long-term effects of HPA axis programming.
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